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Job DescriptionCoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at . Please note that this is a 24/7/365 team. You will be asked to select and rank your preferred shift(s) below. What You'll Do: The Customer Experience (CX) Organization at CoreWeave is dedicated to ensuring every client running AI workloads at scale has a seamless, reliable, and high-performance experience. This team supports the infrastructure that powers the AI revolution—working across data centers, hardware systems, and customer workloads to maintain the integrity of our cloud platform. The CX organization aligns closely with the internal and customer engineering teams, offering valuable insights from the field and having the chance to contribute to the CoreWeave product roadmap and development. About the Role As a Bare Metal Support Engineer, you will be responsible for supporting, operating, and maintaining CoreWeave's extensive GPU fleet across our growing data centers in the U.S., Europe, and beyond. You will work closely with customers, data center technicians, and engineering teams to ensure the reliability, performance, and scalability of our infrastructure. In this role, you will: • Provide high-level support for customers utilizing bare-metal GPU fleets on CoreWeave Cloud., • Diagnose, triage, and investigate reported customer issues and high-priority incidents, identifying root causes and escalating when necessary., • Develop a deep understanding of customer workloads and use cases to provide tailored technical support., • Coordinate remote troubleshooting and hardware interventions with Data Center Technicians., • Create and maintain internal documentation, including troubleshooting guides, best practices, and knowledge base articles., • Participate in an on-call rotation to support production clusters and ensure operational reliability., • Collaborate with engineering teams to improve hardware reliability, software stability, and system performance., • Implement automation and scripting to streamline support workflows and reduce manual interventions., • Perform in-depth log analysis and debugging across multiple layers of the stack (firmware, drivers, hardware)., • Provide feedback to internal teams on common support issues to drive continuous improvements., • Work with networking teams to troubleshoot connectivity issues affecting customer workloads., • Support supercomputing infrastructure running GPU workloads at scale., • Drive operational excellence by refining internal processes and support methodologies. Who You Are: • Experience in data centers, GPU clusters, server deployments, system administration, or hardware troubleshooting., • Demonstrated experience driving resolutions and continuous improvements across cross-functional environments and teams within a data center environment., • Intermediate knowledge of Linux (Ubuntu, CentOS, or similar), including command-line proficiency., • Experience with NVIDIA GPUs, SuperMicro systems, Dell systems, high-performance computing (HPC), and large-scale data center environments., • Experience in networking fundamentals (TCP/IP, VLANs, DNS, DHCP) and troubleshooting tools., • Hands-on experience with firmware updates, BIOS configurations, and driver management., • Experience analyzing system logs and debugging issues across firmware, drivers, and hardware layers., • Experience working with Jira, Confluence, Notion, or other issue-tracking and documentation platforms., • Experience in scripting and automation (Python, Bash, Ansible, or similar). Wondering if you're a good fit? We believe in investing in our people and value candidates who bring unique backgrounds—even if you don't check every box. Here are a few qualities we've found make someone successful on our team. If some of this describes you, we'd love to talk. • You're curious about Kubernetes, Docker, and containerized infrastructure, • You have strong problem-solving skills with a proactive and analytical mindset. At CoreWeave, we work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values: • Be Curious at Your Core, • Act Like an Owner, • Empower Employees, • Deliver Best-in-Class Client Experiences The base salary range for this role is $83,000 to $110,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility). What We Offer The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs, including: • Medical, dental, and vision insurance - 100% paid for by CoreWeave, • Company-paid Life Insurance, • Voluntary supplemental life insurance, • Short and long-term disability insurance, • Flexible Spending Account, • Health Savings Account, • Tuition Reimbursement, • Ability to Participate in Employee Stock Purchase Program (ESPP), • Mental Wellness Benefits through Spring Health, • Family-Forming support provided by Carrot, • Paid Parental Leave, • Flexible, full-service childcare support with Kinside, • 401(k) with a generous employer match, • Flexible PTO, • Catered lunch each day in our office and data center locations, • A casual work environment While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration. California Consumer Privacy Act - California applicants only CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: . Export Control Compliance This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.

Job Description Who we are: For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world's most highly regulated firms, giving them greater visibility and control over their information and ensuring compliance with stringent regulations. Though we offer competitive compensation and benefits and all the other perks one would expect from an established company, we are not your typical technology company. Global Relay is a career-building company. A place for big ideas. New challenges. Groundbreaking innovation. It's a place where you can genuinely make an impact – and be recognized for it. We believe great businesses thrive on diversity, inclusion, and the contributions of all employees. To that end, we recruit candidates from different backgrounds and foster a work environment that encourages employees to collaborate and learn from each other, completely free of barriers. Your role: The Desktop Support Specialist – L3 provides advanced technical and end-user support for desktop workstations, client-server based desktop applications and related corporate wireless devices to all staff. This role also is a Subject Matter Expert (SME) for the team and will function as the highest level of escalation for problem resolution. Responsibilities include but are not limited to: timely troubleshooting and resolution of any hardware problems on desktop workstations, wireless devices including laptops, tablets, cell phones, printers, plotters, and projectors as well as application software, and operating systems. As a SME, you will be responsible for resolving the most complex of issues assigned to the Desktop Support team. The role will provide advanced support to non-windows based desktop operating systems such as Ubuntu and other End-User applications. The role will require advanced knowledge and experience working with ticketing and desktop management applications and systems. These responsibilities require both independent and team-based investigation, initiative, good judgment, good communication and problem-solving skills as well as the ability to work in a team or with minimal supervision. The role will also participate in training and mentoring to other team members. Note: This position will be fully onsite (5 days a week) at our office in Midtown Manhattan. It may also require you to work on certain holidays. Your job: • Timely and high-quality delivery of corporate services and assets such as the provisioning and setup of End-User devices (desktop, laptop, mobile device, workstation, and workspace), Microsoft Office, Microsoft Exchange, Microsoft Active Directory and overall management of corporate assets, • Assist with the installation, configuration and ongoing usability of End-User devices, peripheral equipment and software for both local and remote users, • Investigation, diagnoses, troubleshooting, administration and final resolution of all assigned work relating to supported: operating systems, desktop applications, hardware, and peripherals including but not limited to Windows 10, Microsoft Office Suite, Anti-Virus, Adobe suite products, AirWatch UEM MDM, iOS, Ubuntu, VirtualBox, Corporate Mobile Devices, • Troubleshooting basic network issues for user's workstation, • Deployment and manage user's workstations using SCCM/MDT, Landscape and Airwatch, • Creating and administrating packages for mass deployment using SCCM, Landscape, • Monitoring and creating workstation and user based group policies in Group Policy Objects (GPO), • Performing regular audio video equipment checks for the conference room machines, • Assist in maintaining internal systems like VOIP telephone systems and telephone peripherals, • Tickets and ticketing system including: creation, administration, action, and closure of assigned work ticket requests, • Evolution and support of the desktop deployment automation tool suite, • Active Directory support as needed in support of resolution of end-user desktop or operating system related issues, • Developing and enhancing internal procedures and ensuring that all documentation, run books, knowledge base articles, project plans, business cases, and Method of Procedures (MOPs) are up to date, • A post-secondary degree or diploma in Technology Management with experience supporting desktop computing needs within a networked environment, or equivalent combination of education, training and experience., • 5+ years' experience building, troubleshooting, and repairing desktops and laptops in an enterprise environment, • Advanced knowledge of, and experience with: Microsoft Windows, Apple, and Linux (Ubuntu/Landscape) hardware and operating systems, • Hands on experience with SCCM/MDT for Windows, Landscape for Ubuntu , MDM for mobile devices ., • Advanced knowledge of Microsoft Active Directory and Group Policy management in a managed desktop environment, • Advanced knowledge and working experience with end-user applications including: Antivirus, Microsoft Exchange, Microsoft Office Suite and related applications such as Outlook, Visio and Project, • Demonstrated experience with scripting (PowerShell) and desktop automation (SCCM/MDT), • Comprehensive understanding of local area networking and the setup and configuration of end user devices, such as desktops, printers and other wireless devices, • Demonstrated ability to work collaboratively in a team environment as well as independently in an effective and organized manner, within a complex and challenging environment, • Ability to train and mentor other team members, • Ability to prioritize assigned workload and respond quickly to critical issues, • Comfortable working under pressure in a fast-paced setting, • Excellent interpersonal and communication skills in both verbal and written English, • Highly resourceful with good problem-solving abilities Global Relay advertises the pay range for this role in compliance with applicable pay transparency laws. Individual pay rates are determined by evaluating factors such as expertise, skills, education, and professional background. The range below reflects the expected annual base salary, which is only one element of our comprehensive total rewards package designed to reflect our company pay philosophy, culture and values. We aim to foster an inspiring work environment and support employees' work-life rhythms. We provide a comprehensive health benefits program, including extended health coverage and short-term / long-term disability insurance. Employees receive annual allotted vacation days, which increase based on tenure. Other benefits include paid sick days, maternity/parental leave enhanced program, commuter benefits, corporate bonuses, and a 401(k)-retirement plan with company contribution matching. For employees based at our New York office, we provide additional perks and amenities to enhance your work experience including a subsidized meal program, courtesy of our in-house culinary team! Base salary range$80,000—$100,000 USD What you can expect: At Global Relay, there's no ceiling to what you can achieve. It's the land of opportunity for the energetic, the intelligent, the driven. You'll receive the mentoring, coaching, and support you need to reach your career goals. You'll be part of a culture that breeds creativity and rewards perseverance and hard work. And you'll be working alongside smart, talented individuals from diverse backgrounds, with complementary knowledge and skills. Global Relay is an equal-opportunity employer committed to diversity, equity, and inclusion. We seek to ensure reasonable adjustments, accommodations, and personal time are tailored to meet the unique needs of every individual. To learn more about our business, culture, and community involvement, visit .

The Software Alliances team at Canonical works with leading software companies to optimize and enable their products with Ubuntu and other Canonical software, for instance our AI offerings. Experience in software development and system architecture. Customer‑facing experience in software engineeri

Job Description Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution. The company is founder-led, profitable, and growing. Global System Integrators (GSI) play a crucial role in Canonical growth plans in the coming 3 years. We are hiring a Partner Sales Director to work closely with Canonical GSI partners throughout their sales cycles and across their sales organizations to facilitate Ubuntu based solutions and opportunities, as well as help GSI build long term digital transformation platforms with Ubuntu stacks and services. Reporting to the VP Global Alliances and Channels, the Partner Sales Director will be responsible for building trusted relationships with partners, increasing Canonical market share and attach rate, evangelizing about the partnership and leading all business interactions from engineers to CxO level. They will own the strategy, the sell-to, sell-through and sell-with motions with the GSI and will animate many customer workshops, sales events, public presentations and executive engagements. The role entails • Build strategic relationships with partners at levels, and stickiness with Ubuntu technology, • Deep understanding of Linux and cloud software ecosystem, and open source selling models, • Negotiate contracts and commercial business terms, • Deep understanding of partner organizations and sales models, in particular with Global System Integrators, • Work closely with marketing, sales engineering and product management to deliver on targets, objectives and provide a voice of the partner, • Lead executive interlocks between partners and Canonical leadership team, • Ability to travel - sometimes internationally - up to 40% of the timeWhat we are looking for in you, • Extensive experience in alliance or indirect sales management roles, • Extensive experience with OpenStack, virtualization, containers and other Cloud technologies., • Autonomous, disciplined, hands-on, get-it-done mentality, • Ability to capture customer requirements, evaluate gaps, identify and create opportunities, • Passionate about Ubuntu products and mission, • Comfortable in fast-paced and high pressure environments with ambitious achievement goals, • Distributed work environment with twice-yearly team sprints in person, • Personal learning and development budget of USD 2,000 per year, • Annual compensation review, • Recognition rewards, • Annual holiday leave, • Maternity and paternity leave, • Team Member Assistance Program & Wellness Platform, • Opportunity to travel to new locations to meet colleagues Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration. #LI-remote

Job Description MetTel is a global communications solutions provider with the most complete suite of fully managed services that focus on secure connectivity, and network and mobility services. We simplify communications and networking for business and government agencies. Our customers include many of the Fortune 500, and Gartner recognizes us as an industry leader. We have the broadest portfolio of technology and integrated partnerships, as well as our private network, which we use to create tailored solutions design, deployment, and ongoing management, driving cost savings, efficiency, innovation, and the ability to focus on core objectives. We believe that each team member is a key to the success and sustainability of the group. In order to achieve this, we offer an environment where all professionals can grow and develop their skills and competencies, collaborate with diverse professionals, share knowledge and enjoy a rewarding career. We are looking for a Cybersecurity Engineer to join our Corporate IT Team in NYC! ROLE AND RESPONSIBILITIES: The Cybersecurity Engineer is a hands-on technical role responsible for implementing, maintaining, and optimizing security controls across our hybrid infrastructure environment serves as a subject matter expert in designing, implementing, and administering our comprehensive security technology stack. This role combines deep technical expertise in cybersecurity tools with hands-on system administration skills to support our self-hosted, on-premises security infrastructure. The ideal candidate combines infrastructure knowledge with a strong understanding of security operations, compliance requirements, technical implementation and testing and assessing risk. They will be capable of supporting our security toolset including CyberArk, Splunk, OKTA, Tenable, SOAR platforms, and other security analytics solutions. Responsibilities: Vulnerability & Threat Management • Conduct vulnerability assessments across containerized and traditional infrastructure, • Perform ethical hacking and penetration testing to identify security weaknesses on our applications periodically and at times of new releases., • Candidates should have a CEH and be familiar with Nmap, Wireshark, Metasploit, Hydra and Burp to name a few., • Lead remediation efforts and track vulnerability lifecycle management, • Analyze security alerts and incidents, performing root cause analysis, • Administer and optimize enterprise security tools including SIEM, EDR, vulnerability scanners, and container security platforms, • Manage security aspects of VMware infrastructure, storage systems, and network segmentation CyberArk Privileged Access Management • Administer CyberArk PAS (Privileged Access Security) including Vault, CPM, PSM, and PVWA components, • Configure privileged account onboarding, password management policies, and access workflows, • Implement CyberArk integrations with Active Directory, applications, and infrastructure systems, • Manage CyberArk clustering, disaster recovery, and high availability configurations, • Administer Splunk Enterprise infrastructure including indexers, search heads, and forwarders, • Configure and maintain Splunk Enterprise Security (ES) for security monitoring and incident detection, • Develop custom Splunk searches, dashboards, and alerts for security use cases, • Manage Splunk data models, knowledge objects, and correlation rules, • Administer Tenable Security Center and Nessus scanning infrastructure, • Configure vulnerability scanning policies, schedules, and remediation workflows, • Integrate vulnerability data with other security tools and ticketing systems, • Develop custom vulnerability reporting and metrics dashboards, • Implement and maintain SOAR platforms for security automation, • Develop automated playbooks for incident response, threat hunting, and remediation activities, • Create custom integrations between the SOAR platform and existing security tools, • Design automated workflows for security alert triage and response coordination, • Provide Level 2/3 technical support for security incidents and tool-related issues, • Participate in incident response activities and forensic investigations, • Develop and maintain security procedures and troubleshooting guides, • Support 24/7 security operations center (SOC) activities and on-call rotation, • Support compliance initiatives including SOC 2, PCI DSS, NIST SP 800-53 and regulatory audits, • Maintain security tool documentation, configurations, and change management procedures, • Implement logging and audit trail requirements for compliance frameworks, • Develop security metrics and KPI reporting for management and auditors, • Partner with IT infrastructure teams on security tool deployment and maintenance, • Collaborate with application development teams on security tool integrations, • Work with network teams to implement security monitoring and traffic analysis, • Support risk management activities with technical security assessments, • Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or equivalent experience, • Relevant certifications preferred: CCSP, CISSP, GCIH, GCFA, Security+, CySA+, GSEC, or equivalent Security Tools Proficiency (3+ years each) • CyberArk: Deep experience with PAS components, policy configuration, and enterprise deployment, • Splunk: Advanced administration of Splunk Enterprise and Enterprise Security, including clustering and performance optimization, • Tenable: Comprehensive vulnerability management experience with Security Center, Nessus, and enterprise scanning, • Advanced Linux administration (RHEL, CentOS, Ubuntu) including shell scripting and automation, • Windows Server administration including PowerShell scripting and Active Directory integration, • Enterprise PKI and certificate management, • Log aggregation, analysis, and correlation techniques, • Incident response procedures and forensic analysis, • Threat intelligence integration and threat hunting methodologies, • 4+ years of cybersecurity experience with focus on enterprise security tools, • 4+ years of hands-on system administration in enterprise environments, • Experience with self-hosted, on-premises security infrastructure, • Proven track record of security tool implementations and migrations, • Strong scripting abilities (Python, Bash, PowerShell) for automation and integration, • Experience with API integration and custom security tool development, • Knowledge of cloud security platforms (AWS Security Hub, Azure Security Center) preferred, • Understanding of DevSecOps practices and CI/CD pipeline security, • Excellent troubleshooting and analytical problem-solving skills, • Technical Leadership: Ability to serve as subject matter expert across various Security tool sets., • Problem-Solving: Advanced analytical skills for complex security tool issues and integrations, • Communication: Ability to explain technical concepts to both technical and non-technical stakeholders, • Project Management: Experience leading security tool implementations and upgrades, • Degree in Cybersecurity or related field, • Experience in regulated industries (government), • Advanced certifications: CISSP, SABSA, TOGAF, or specialized vendor certifications, • Experience with additional security tools: QRadar, Rapid7, Carbon Black, CrowdStrike Keywords: #NYC #NewYorkCity #Manhatten, #Cybersecurity, Cybersecurity, CISSP, #CISSP, SecurityTools ,#SecurityTools, SIEM, #SIEM, #InfrastructureEnvirnonments, #CyberArk, CyberArk, #Splunk, Splunk, OKTA, #OKTA, Tenable, #Tenable, #SOARPlatforms, SOARPlatforms, #Telecom, Telecom, #Troubleshoot, #Engineering MetTel is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws. To learn more about our company visit us at

Job DescriptionCoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at You'll Do: CoreWeave is seeking a highly skilled and motivated Systems Kernel Engineer to join our HAVOCK Team, reporting into the Manager of Systems Engineering. In this role, you will be a key contributor to the stability, performance, and evolution of CoreWeave's Linux based infrastructure. As a kernel generalist, you will be responsible for debugging kernel-level issues, analyzing and fixing crashes, panics, dumps, and upstreaming fixes and features that improves the performance and reliability of our stack. This position is ideal for someone who thrives in low-level systems engineering, and understands how modern workloads stress kernels, and is excited to work across a diverse hardware/software ecosystem including CPUs, GPUs, DPUs, networking, and storage. Kernel Hardware - Acceleration - Virtualization - Operating Systems - Containerization - Kubelet Our Team's Stack: • Python, Go, bash/sh, C, • Prometheus, Victoria Metrics, Grafana, • Linux Kernel (custom build), Ubuntu, • Intel/AMD/ARM CPUs, Nvidia GPUs, DPUs, Infiniband and Ethernet NICs, • Kernel Debugging – Analyze kernel crashes, oopses, panics, and dumps to identify root causes and propose fixes., • Upstream Contributions – Develop patches for the Linux kernel and upstream them where applicable (networking, storage, virtualization, GPU/DPU enablement)., • Stack-Wide Support – Ensure kernel support and stability across:, • Virtualization (KubeVirt, QEMU, vFIO), • Container runtimes (containerd, nydus, kubelet), • HPC/AI workloads (CUDA, GPUDirect, RoCE/InfiniBand), • Kernel-Hardware Enablement – Support new hardware bring-up across Intel, AMD, ARM CPUs, NVIDIA GPUs, DPUs, and NICs., • Performance & Stability – Tune kernel subsystems for latency, throughput, and scalability in distributed HPC/AI clusters.About the role:, • Triage and fix kernel crashes and performance regressions., • Develop, test, and upstream kernel patches relevant to CoreWeave's hardware/software environment., • Collaborate with hardware vendors and the Linux community on feature enablement., • Implement diagnostics and tooling for kernel-level observability., • Work closely with HPC and Fleet teams to ensure kernel readiness for production workloads., • Provide kernel-level expertise during incident response and root-cause investigations.Who You Are:, • 5+ years of professional experience in Linux kernel engineering or systems-level development., • Deep understanding of kernel internals (memory management, scheduling, networking, storage, drivers)., • Experience debugging kernel crashes, dumps, and panics using tools like crash, gdb, kdump., • Strong C programming skills with the ability to write maintainable and upstream-quality code., • Experience working with kernel modules, drivers, and subsystems., • Contributions to the Linux kernel or related open-source projects., • Familiarity with virtualization (KVM, QEMU, VFIO) and container runtimes., • Networking stack expertise (InfiniBand, RoCE, TCP/IP performance tuning)., • GPU/DPU bring-up and driver experience., • Experience in HPC or large-scale distributed systems., • Familiarity with QA/QE best practices, • Experience working in Cloud environments, • Experience as a software engineer writing large-scale applications, • Experience with machine learning is a huge bonus The base salary range for this role is $165,000 to $242,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility). What We Offer The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs, including: • Medical, dental, and vision insurance - 100% paid for by CoreWeave, • Company-paid Life Insurance, • Voluntary supplemental life insurance, • Short and long-term disability insurance, • Flexible Spending Account, • Health Savings Account, • Tuition Reimbursement, • Ability to Participate in Employee Stock Purchase Program (ESPP), • Mental Wellness Benefits through Spring Health, • Family-Forming support provided by Carrot, • Paid Parental Leave, • Flexible, full-service childcare support with Kinside, • 401(k) with a generous employer match, • Flexible PTO, • Catered lunch each day in our office and data center locations, • A casual work environment While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration. California Consumer Privacy Act - California applicants only CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: . Export Control Compliance This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.

Job DescriptionCoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at . Senior Systems Engineer, Kernel Performance & Observability CoreWeave is seeking a Systems Kernel Engineer focused on Performance and Observability to join our HAVOCK Team. In this role, you will build the next generation of automated introspection tools that detect issues before our customers do. You will leverage eBPF and programmable debuggers to create "OOB (Out of Band) Kernel Introspection" capabilities, allowing us to analyze live systems and core dumps with unprecedented depth. You will turn manual debugging steps into automated software solutions. Hardware - Acceleration - Virtualization - Operating Systems - Containerization - Kubelet Our Team's Stack: • Observability: eBPF (BCC/libbpf), drgn, bpftrace, perf, • Python, Go, C, • Custom Linux Kernel, Ubuntu, • Prometheus, Victoria Metrics, Grafana, • Advanced Observability – Designing eBPF-based tracing tools to analyze latency, resource contention, and locking in real-time., • Introspection Tooling – Advancing our usage of programmable debuggers (like drgn) to analyze live kernels and core dumps., • Automated Triage – Building systems that automatically categorize kernel crashes (RIP registers, stack traces) and reporting., • Out-of-Band (OOB) Debugging – Implementing stealth forensics to debug hosts via DPUs without impacting the main CPU., • Develop eBPF programs to trace complex performance regressions in production., • Build and maintain Debug images and associated tooling., • Automate the analysis of soft lockups and crash dumps (automating crash/drgn workflows)., • Work on "OOB Kernel Introspection," enabling memory traces and debugging., • 5+ years of experience in Systems Engineering or Kernel Development., • eBPF Mastery: Strong experience writing eBPF programs (using bcc, bpftrace, or libbpf) for production environments., • Scripting for Debugging: Proficiency in Python (specifically for drgn or GDB scripting) to automate analysis., • Deep Linux Internals: Understanding of how to trace the scheduler, memory subsystem, and block layer., • Experience with OOB (Out of Band) management, • Experience with Fuzzing (Syzkaller) or Sanitizers (KASAN, UBSAN), • Previous work on "Self-Healing" infrastructure or automated remediation What We Offer The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs, including: • Medical, dental, and vision insurance - 100% paid for by CoreWeave, • Company-paid Life Insurance, • Voluntary supplemental life insurance, • Short and long-term disability insurance, • Flexible Spending Account, • Health Savings Account, • Tuition Reimbursement, • Ability to Participate in Employee Stock Purchase Program (ESPP), • Mental Wellness Benefits through Spring Health, • Family-Forming support provided by Carrot, • Paid Parental Leave, • Flexible, full-service childcare support with Kinside, • 401(k) with a generous employer match, • Flexible PTO, • Catered lunch each day in our office and data center locations, • A casual work environment While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration. California Consumer Privacy Act - California applicants only CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: . Export Control Compliance This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.

Job DescriptionVoleon is a technology company that applies state-of-the-art AI and machine learning techniques to real-world problems in finance. For nearly two decades, we have led our industry and worked at the frontier of applying AI/ML to investment management. We have become a multibillion-dollar asset manager, and we have ambitious goals for the future. Voleon is looking for a Systems Administrator to join our Corporate IT Services (Corp-ITS) team and play a critical role in the operation, support, and continuous improvement of our enterprise IT infrastructure. This position emphasizes platform operations, endpoint management, and technical support, while also building automation and tooling to streamline IT service delivery across the organization. In this role, you will be directly involved in supporting the firm's software engineering, quantitative research, and financial operations teams. You will balance day-to-day operational excellence with hands-on user support, serving as an escalation resource and coach for the End User Support team while helping to drive efficiency through automation in a fast-paced, high-performance environment. Responsibilities • Manage SaaS platforms (Microsoft 365/Entra ID, Slack, Zoom) including user administration, provisioning, and license management, • Provide technical support and escalation for the End User Support team. Resolve complex issues, assist with challenging requests, and coach service desk engineers, • Own employee technology lifecycle including provisioning workflows, hardware inventory, device refresh programs, and secure offboarding, • Maintain IT infrastructure including backup systems, server operations, and network services in partnership with Engineering, • Administer endpoint management platforms (Jamf Pro, Intune) including policies, software deployment, security enforcement, and fleet updates, • Build automation and tooling using scripting (PowerShell, Python, Bash) to streamline operations and reduce manual work, • Create operational documentation (runbooks, standards, guides). Partner with Engineering on infrastructure projectsRequirements, • 3-5+ years in IT systems administration, platform operations, and user support, • Strong proficiency in macOS and Windows endpoint administration, • Solid experience with endpoint management platforms (Jamf Pro, Intune), • Working knowledge of Microsoft 365/Entra ID administration, • Proficiency in at least one scripting language (PowerShell, Python, Bash), • Understanding of networking (TCP/IP, DNS, DHCP, VPN, Wi-Fi) and directory services (Active Directory, Entra ID, LDAP), • Familiarity with backup and disaster recovery solutions (Veeam, Time Machine), • Experience with collaboration platforms (Slack, Zoom, Google Workspace), • Strong problem-solving and diagnostic skills. Excellent communication for coaching team members, • Ability to manage multiple priorities and balance operational work with support requests, • Customer-focused, service-oriented, with the ability to work in a team environmentPreferred Qualifications, • Atlassian suite (Jira, Confluence, JSM) background, • Apple Business Manager and DEP/ADE experience, • Linux administration (RHEL, Ubuntu), • IT certifications (ACSP, Microsoft 365, Jamf, CompTIA), • Experience mentoring or coaching junior IT staff

Job Description Rumble is a high-growth video platform and cloud services provider that is creating an independent infrastructure. Our mission is to restore the internet to its roots by making it free and open once again. About the Role: Rumble Cloud is seeking an experienced Senior Cloud Architect to lead the design, integration, and optimization of our cloud infrastructure. This role focuses on developing scalable, secure, and resilient cloud architectures—driving technology strategy across OpenStack, public clouds, and containerized workloads. The ideal candidate combines deep technical expertise in OpenStack with the architectural vision to design end-to-end cloud solutions that meet performance, cost, and compliance objectives. You will collaborate closely with engineering, operations, and product teams to define and implement a unified cloud strategy for current and future business needs. Key Responsibilities: • Install, configure, upgrade, and maintain OpenStack environments (production and development)., • Define cloud strategy, governance, and best practices for scalability, performance, and cost optimization., • Architect high-availability OpenStack environments and ensure seamless integration with CI/CD pipelines and automation frameworks., • Provide architectural guidance for network design, storage solutions, and security frameworks across all cloud platforms., • Evaluate, select, and optimize tools for infrastructure as code, automation, and monitoring., • Lead design reviews, risk assessments, and cloud readiness analyses for new initiatives., • Collaborate with development teams to modernize applications for cloud-native deployment., • Oversee incident response and capacity planning from an architectural perspective., • Mentor technical teams and establish repeatable design patterns, documentation, and standards., • Extensive experience in cloud or systems engineering, including a proven track record of leading cloud architecture or design initiatives., • Deep expertise with OpenStack architecture, deployment, and scaling in enterprise production environments., • Strong understanding of Linux systems (Ubuntu/RHEL/CentOS) and system performance tuning., • Mastery of network design principles (TCP/IP, VLANs, VXLAN, BGP, SDN, OVS/OVN)., • Experience with Kolla Ansible, Terraform, and Ansible for automation and IaC., • Knowledge of Python programming for automation and API integration., • Practical experience designing cloud-native solutions using containers (Docker/Podman) and orchestration (Kubernetes)., • Expertise in distributed systems design: Ceph, Cinder, Swift, RabbitMQ, Kafka., • Proven experience designing and integrating CI/CD pipelines for cloud infrastructure (GitLab CI, Jenkins, etc.)., • Contributions to OpenStack or related open-source projects., • Familiarity with public clouds (AWS, Azure, GCP) and hybrid integration., • Experience architecting HA and disaster recovery strategies using HAProxy, Keepalived, and load balancers., • Skills in observability stack design (Prometheus, Grafana, ELK, or OpenTelemetry)., • Understanding of hardware and performance optimization for large-scale deployments (Dell, HPE, GPU accelerators)., • Knowledge of IT governance frameworks (e.g., Well-Architected Framework, NIST, CIS)., • 6+ years in infrastructure, systems or cloud engineering roles, with at least 3 years as an architect or technical lead., • Excellent communication, documentation, and stakeholder management skills. Why Our Team Loves Working Here: • We are making a significant financial impact for our video creator community; we're proud of their success stories, • We enjoy challenging the status quo and going head-to-head against Big Tech, • We aren't afraid to try new things; we act fast and want to win Physical demands of the position: While performing the duties of this job, the employee is regularly required to sit for prolonged periods of time while using a computer and/or keyboard. The employee is required to communicate verbally and hear. The employee may be required to walk, reach with hands and arms, balance, and stoop or kneel. The employee may occasionally be required to lift and/or move up to 15 pounds. Specific vision abilities required by this job include clarity of vision at approximately 20 inches or less (i.e., working with small objects or reading small print), including the use of computers.

Job Description Job Description: The Principle Engineer, Middleware plays a critical role in maintaining Hedge SERV’s middleware and application-stack engineering and operations functions. This includes the development, maintenance, and enhancement of both the tech stack and the operations technologies that facilitate their management. The position will reflect a combination of technology engineering and administration, process management, and the administration / use of related tool sets. The position reports to the Director, Application Engineering Services, based in NY.The successful candidate will be a skilled engineer that knows how to execute and innovate in a modern, dynamic, and fast paced environment.Responsibilities: • Engineer solutions that enable compliance and effective operational practices without introducing material operational friction, • Must be conversant with a tech stack composed of Python, Java, Citrix XA, Citrix NetScaler, NGINX and Redis, • Design and deploy systems with various modern HA methods, strong focus on deprecating legacy HA methods such as OS clustering and active / passive, with a move toward cloud enablement (stateless systems, horizontal scaling, etc.), • Be responsible for engineering and administration of all systems above the OS and below the load balancers., • Collaborate with platform, network, and release automation teams to build effective and efficient operations framework, • Work well in a team setting, leverage influence, and embrace a focus on outcomes, • Requirements:, • Expertise in middleware MQ’s, Consul and Rabbit, • Proficient in scripting languages, such as Bash / Python / Ruby / PowerShell, • Expertise in CentOS, Ubuntu and other Linux Operating Systems, • Experience with Docker, Kubernetes, • Experience with NGINX, Redis, Tomcat, • Experience with Cloud technologies - VMware., • Experience with Chef or equivalent configuration management tool is a plus, • Experience with building, monitoring, and alerting on logs and metrics, and triggering actions based on them, • Experience with Citrix hosted applications, along with Tomcat / Java, and Python services a plus, • Working knowledge of Citrix XA server management and Citrix NetScaler configuration a plus, • Working knowledge of Microsoft Windows 2008 / 2012 /2016Benefits:, • Attractive compensation package including extensive set of benefits., • Professional environment with great development opportunities., • Flexibility in working hours., • Brand new office in the heart of New York.

Job Description AWS DevOps Engineer We are seeking a DevOps / SRE Engineer to design, build, and operate scalable AWS infrastructure with a strong emphasis on deployments, automation, and CI/CD. This role prioritizes enabling fast, reliable software delivery while maintaining high system availability and performance. You will work closely with development teams to streamline deployment pipelines, improve release velocity, and enforce infrastructure best practices. Responsibilities • Design, build, and manage AWS-based Linux infrastructure for scalable application deployments, • Own and optimize CI/CD pipelines to enable reliable, repeatable, and fast deployments, • Manage application releases, deployments, and rollback strategies across environments, • Automate infrastructure provisioning and application delivery using Infrastructure as Code, • Collaborate with development teams to improve build, test, and deployment workflows, • Troubleshoot deployment failures, pipeline issues, and production incidents, • Implement blue/green, canary, and rolling deployment strategies, • Maintain system reliability, monitoring, and alerting for production services, • Optimize performance, scalability, and cost of cloud infrastructure, • Enforce security best practices across infrastructure and deployment pipelines, • Maintain runbooks, deployment documentation, and operational procedures, • Participate in on-call rotation supporting production systems Required Skills • 5+ years of Linux system administration (RHEL, Ubuntu, Amazon Linux, Rocky/CentOS), • 3+ years of AWS experience (EC2, VPC, IAM, S3, EKS, ALB/NLB, CloudWatch), • Strong experience building and managing CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins), • Hands-on experience with application deployments in cloud environments, • Proficiency in Bash and Python for automation, • Strong experience with Infrastructure as Code (Terraform preferred, CloudFormation acceptable), • Experience with containerization (Docker) and orchestration (Kubernetes/EKS), • Solid understanding of networking (TCP/IP, DNS, load balancing, firewalls), • Familiarity with observability tools (Prometheus, Grafana, ELK/OpenSearch, Datadog), • Experience implementing deployment strategies (blue/green, canary, rolling updates), • Strong focus on automation, deployment efficiency, and developer enablement, • Comfortable working in fast-paced environments with frequent releases, • Collaborative mindset with strong communication across DevOps and engineering teams, • Benefits are offered such as medical/dental/vision insurance and vacation time. 401k will be obtained as a benefit after 1 full year of service., • You will be placed at our Fair Lawn, NJ office, Please do not apply if you are not local or are not willing to relocate. Cb9hT0HISD

Job DescriptionCoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at . Senior Systems Engineer, Kernel Networking CoreWeave is seeking a specialized Kernel Networking Engineer to join our HAVOCK Team. In this role, you will be the subject matter expert for the networking subsystem of CoreWeave's Linux-based infrastructure. As we scale our massive AI/HPC clusters, you will focus on optimizing the datapath, tuning the TCP/IP and RDMA stacks, and ensuring the stability of high-throughput workloads across NVIDIA, Mellanox, and Broadcom hardware. Hardware - Acceleration - Virtualization - Operating Systems - Containerization - Kubelet Our Team's Stack: • Python, Go, bash/sh, C, • Custom Linux Kernel, Ubuntu, • Debug Tools: crash, kdump, drgn, gdb, • Prometheus, Victoria Metrics, Grafana, Loki, • Holistic Troubleshooting – Act as the first line of defense for complex system crashes, soft lockups, and kernel panics., • Cross-Domain Debugging – Identify whether a root cause lies in memory management, storage, or the network layer., • Incident Response – Reduce "Mean-Time-To-Resolution" by quickly analyzing crash dumps and stack traces., • Reliability Engineering – Contribute to the "Smarter Triaging" initiative to automate crash analysis., • Analyze kernel crashes, oopses, and panics across the entire stack., • Apply specific networking knowledge to troubleshoot issues with NVIDIA/Mellanox/Broadcom NICs., • Utilize crash dump analysis (kdump, crash, drgn) to triage issues affecting customer workloads., • Improve documentation and RCA processes for kernel failures., • 5+ years of experience in systems-level development or kernel engineering., • Broad Kernel Knowledge: Solid grasp of memory management, scheduling, and filesystems., • Networking Fluency: Proven record troubleshooting RoCE, IB, and RDMA issues., • Debugging Mastery: Expert capability with standard utilities and a systematic approach to root-cause analysis., • Experience with eBPF for troubleshooting., • Knowledge of GPU/NVLink architectures., • Experience working with automated monitoring/alerting systems (Grafana, Jira automation). What We Offer The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs, including: • Medical, dental, and vision insurance - 100% paid for by CoreWeave, • Company-paid Life Insurance, • Voluntary supplemental life insurance, • Short and long-term disability insurance, • Flexible Spending Account, • Health Savings Account, • Tuition Reimbursement, • Ability to Participate in Employee Stock Purchase Program (ESPP), • Mental Wellness Benefits through Spring Health, • Family-Forming support provided by Carrot, • Paid Parental Leave, • Flexible, full-service childcare support with Kinside, • 401(k) with a generous employer match, • Flexible PTO, • Catered lunch each day in our office and data center locations, • A casual work environment While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration. California Consumer Privacy Act - California applicants only CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: . Export Control Compliance This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.

Job Description Rumble is a high-growth video platform and cloud services provider that is creating an independent infrastructure. Our mission is to restore the internet to its roots by making it free and open once again. Rumble is seeking an experienced Infrastructure Engineer (Data Center) responsible for the operation, maintenance, and optimization of critical data center infrastructure. As a key member of the Data Center Services Team, you will: • Build, configure, and deploy physical and virtual servers for various applications., • Perform ongoing maintenance, upgrades, and health checks on servers., • Develop and run scripts for automation of administrative and configuration management tasks (Ansible, Terraform)., • Perform OS and security patching and upgrades., • Diagnose and resolve system issues efficiently and effectively., • Monitor infrastructure-related tickets and respond within established SLAs., • Create and maintain clear technical documentation, processes, and procedures., • 3+ years of experience working with and building virtual machine–based solutions., • 3+ years of experience building container-based solutions., • 3+ years of hands-on Linux administration experience (RHEL, Ubuntu, Rocky), including enterprise server administration (hardware and OS)., • Ability to work independently as well as collaboratively on a high-performing team., • Strong communication skills and proficiency in documentation., • Familiarity with security and compliance, • Experience with Proxmox or similar open-source virtual machine environments and containers., • Working knowledge of installation and basic administration of open-source databases., • Networking experience (load balancing, firewalls, DNS)., • Strong awareness of security and compliance best practices., • Python and Bash scripting experience., • Linux certification, CompTIA A+, or equivalent technical experience., • $84,000-$106,000 CAD base + benefits + equity (If based in Canada) Why Our Team Loves Working Here: • We are making a significant financial impact for our video creator community; we're proud of their success stories, • We enjoy challenging the status quo and going head-to-head against Big Tech, • We aren't afraid to try new things; we act fast and want to win Physical demands of the position: While performing the duties of this job, the employee is regularly required to sit for prolonged periods of time while using a computer and/or keyboard. The employee is required to communicate verbally and hear. The employee may be required to walk, reach with hands and arms, balance, and stoop or kneel. The employee may occasionally be required to lift and/or move up to 15 pounds. Specific vision abilities required by this job include clarity of vision at approximately 20 inches or less (i.e., working with small objects or reading small print), including the use of computers.

Job DescriptionCoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at you'll do: CoreWeave is seeking a highly skilled and motivated HPC Performance Engineer to join our HAVOCK Team, reporting into the Manager of Systems Engineering. In this role, you will play a crucial part in the design, development, and optimization of our bare-metal systems from POST through joining a Kubernetes cluster. The team's primary responsibilities include maintaining a custom Linux kernel, various OS images (Ubuntu-based), the virtualization stack (kubevirt/qemu/vfio), and the container/pod runtime stack (containerd/nydus/kubelet). You will collaborate closely with cross-functional teams, up stack engineering teams, and stakeholders to ensure our low-level software stack is performant in the context of hardware updates; and providing data, metrics, dashboards, and analysis to substantiate performance assertions. Kernel Hardware - Acceleration - Virtualization - Operating Systems - Containerization - Kubelet Our Team's Stack: • Python, Go, bash/sh, C, • Prometheus, Victoria Metrics, Grafana, • Linux Kernel (custom build), Ubuntu, • Intel/AMD/ARM CPUs, Nvidia GPUs, DPUs, Infiniband and Ethernet NICs, • Docker, kubernetes (k8s), KubeVirt, containerd, kubeletAbout the role:, • Develop and maintain tools for establishing systems performance baselines, • Develop and maintain performance regression analysis testing automation, • Design and maintain performance regression test pipelines for HPC workloads, • Debug and Tune fabric-level performance to ensure low-latency high throughput configurations, • Development of telemetry for performance analysis across distributed clusters of servers, • Triage and fix performance issues in Linux, • Collect data, produce metrics and visualizations that communicate performance information compared to benchmarks; this data should lead to appropriate business decisions and toward greater automation that improves customer experience in relation to performance, • Define Linux and OS requirements, specifications, and system architecture in relation to systems performance, in collaboration with cross-functional teams. Along with these responsibilities there will also be cross team collaboration to triage and resolve bottlenecksWho you are:, • 5+ years of professional experience in Systems/HPC Performance Engineering, Benchmarking, and/or Validation., • Strong experience with MPI workloads and distributed system performance analysis, • Familiarity with RoCE, InfiniBand, and GPUDirect/Data Direct I/O, NUMA, etc in HPC workloads, • Hands-on use of public HPC benchmarks (HPCC, HPL, OSU, MLPerf-HPC, STREAM, IO500), • Extensive, deep experience in Linux internals, • Fluency with a programming language geared toward automation (Python preferred, but others possible), • Experience writing robust, testable code, • Experience diagnosing and fixing systems performance issues, • Experiencing with implementing automation testing, • Ability to effectively prioritize and communicate proposed features and fixes in a remote-employee environment, • Strong passion for automation, with a commitment to automating processes comprehensively, • Excellent documentation skills and attention to detail, • Familiarity with QA/QE best practices, • Familiarity with Golang, • Opinions about software version control and team collaboration, • Experience working in Cloud environments, • Experience as a software engineer writing large-scale applications, • Experience in open-source community software development, • Be Curious at Your Core, • Act Like an Owner, • Empower Employees, • Deliver Best-in-Class Client Experiences The base salary range for this role is $165,000 to $242,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility). What We Offer The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs, including: • Medical, dental, and vision insurance - 100% paid for by CoreWeave, • Company-paid Life Insurance, • Voluntary supplemental life insurance, • Short and long-term disability insurance, • Flexible Spending Account, • Health Savings Account, • Tuition Reimbursement, • Ability to Participate in Employee Stock Purchase Program (ESPP), • Mental Wellness Benefits through Spring Health, • Family-Forming support provided by Carrot, • Paid Parental Leave, • Flexible, full-service childcare support with Kinside, • 401(k) with a generous employer match, • Flexible PTO, • Catered lunch each day in our office and data center locations, • A casual work environment While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration. California Consumer Privacy Act - California applicants only CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: . Export Control Compliance This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.

Job DescriptionCoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at the Role: SysEng HAVOCK (Hardware - Acceleration - Virtualization - Operating Systems - Containerization - Kernel) CoreWeave is looking for a Senior Systems Engineer who is ready to evolve beyond traditional DevOps. You will start by stabilizing and scaling our Linux OS and Kernel build pipelines. Once the foundation is set, you will lead the transition to AI-native infrastructure, building "smart" workflows that don't just report errors, but understand and fix them. You are a Systems Engineer at heart, but you are ready to apply LLMs, RAG, and predictive modeling to solve infrastructure challenges at scale. Our Team's Stack: • Languages: Python, Go, bash/sh, • Observability: Prometheus, Victoria Metrics, Grafana, • OS & Kernel: Linux Kernel (custom build), Ubuntu, • Hardware: Intel/AMD/ARM CPUs, Nvidia GPUs, DPUs, Infiniband and Ethernet NICs, • Pipeline Architecture: Design, maintain, and automate reproducible OS image build pipelines for our massive fleet of GPU-accelerated servers., • Kernel Distribution: Collaborate with kernel engineers to package, validate, and distribute custom Linux builds across Intel, AMD, and ARM architectures., • Dependency Management: Build tooling to manage dependencies, versioning, and release workflows, ensuring hermetic builds., • Telemetry & Metrics: Standardize the collection of build metrics to create a baseline for future AI modeling., • "Smart" CI/CD & Auto-Remediation: Architect AI agents that ingest and analyze build logs in real-time. Develop systems that auto-triage errors, categorize failure patterns, and generate context-aware fix suggestions for engineering teams., • Predictive Regression Modeling: Design ML workflows that utilize historical performance data to detect kernel and OS regressions (latency, throughput, stability) in staging environments before they impact production., • Dynamic Kernel Tuning: Implement closed-loop feedback systems that analyze real-time system metrics and automatically suggest or apply sysctl parameter optimizations for specific customer workloads., • 4+ years of professional experience in Linux Systems Engineering, Release Engineering, or DevOps., • Deep knowledge of Linux internals (boot process, kernel modules, networking stack)., • Experience with package management (Debian/Ubuntu) and build systems., • Strong proficiency in Python (essential for the AI integration aspects of this role)., • Demonstrable experience integrating API-based AI models (OpenAI, Anthropic, or local open-source models) into software workflows., • Understanding of RAG (Retrieval-Augmented Generation) architectures for querying technical documentation or logs., • Experience building event-driven automation (e.g., using webhooks to trigger analysis agents)., • Experience with Kubeflow or MLFlow., • Background in High-Performance Computing (HPC). What We Offer The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs, including: • Medical, dental, and vision insurance - 100% paid for by CoreWeave, • Company-paid Life Insurance, • Voluntary supplemental life insurance, • Short and long-term disability insurance, • Flexible Spending Account, • Health Savings Account, • Tuition Reimbursement, • Ability to Participate in Employee Stock Purchase Program (ESPP), • Mental Wellness Benefits through Spring Health, • Family-Forming support provided by Carrot, • Paid Parental Leave, • Flexible, full-service childcare support with Kinside, • 401(k) with a generous employer match, • Flexible PTO, • Catered lunch each day in our office and data center locations, • A casual work environment While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration. California Consumer Privacy Act - California applicants only CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: . Export Control Compliance This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.

Job Description MetTel is a global communications solutions provider with the most complete suite of fully managed services that focus on secure connectivity, and network and mobility services. We simplify communications and networking for business and government agencies. Our customers include many of the Fortune 500, and Gartner recognizes us as an industry leader. We have the broadest portfolio of technology and integrated partnerships, as well as our private network, which we use to create tailored solutions design, deployment, and ongoing management, driving cost savings, efficiency, innovation, and the ability to focus on core objectives. We believe that each team member is a key to the success and sustainability of the group. In order to achieve this, we offer an environment where all professionals can grow and develop their skills and competencies, collaborate with diverse professionals, share knowledge and enjoy a rewarding career. We are seeking an accomplished Executive Director of IT Operations to provide senior operational leadership and hands-on technical expertise for our enterprise IT infrastructure and end-user services organization. This role reports to the VP of IT & Security and manages both the Director of Infrastructure Operations and ServiceDesk/Desktop Support operations while maintaining deep technical involvement in complex implementations and serving as the subject matter expert across our technology stack. The ideal candidate combines proven leadership capabilities with advanced technical skills, providing strategic planning, operational reporting, and direct technical execution for critical infrastructure initiatives while ensuring exceptional end-user service delivery. ROLE AND RESPONSIBILITIES: Organizational Scope & Direct Oversight • Infrastructure Operations and End-User Services Leadership, • Direct management of Director of Infrastructure Operations and senior infrastructure leadership, • Operational oversight of Senior Systems Administrators, Network Engineers, and technical infrastructure staff, • Strategic coordination with infrastructure teams across Linux/Windows, VMware, storage, networking, and cloud platforms, • Technical mentorship for infrastructure professionals and career development planning, • Direct management of ServiceDesk or desktop support manager, • Oversight of infrastructure Tier 1/2/3 support operations and escalation processes, • Demonstrated understanding of ServiceNow ITSM platform for incident, problem, and request management, • Strategic planning for end-user experience improvement and support optimization, • Ensure all systems are patched in accordance with company policy, servers, laptops, and network equipment Strategic Planning & Operational Reporting • Develop comprehensive operational plans, technology roadmaps, and capacity planning strategies for infrastructure and service delivery organizations, • Create detailed project plans, resource allocation strategies, and timeline management for major infrastructure and service delivery initiatives, • Generate executive-level reporting on infrastructure performance, service desk metrics, project status, and operational KPIs for VP leadership, • Coordinate budget planning, resource forecasting, and capital expenditure recommendations across infrastructure and end-user services, • Lead infrastructure architecture planning and technology standardization initiatives Hands-On Technical Leadership & Implementation • Personally lead complex technical implementations including major infrastructure upgrades, migrations, and architectural changes, • Serve as escalation point for critical technical issues requiring advanced expertise across multiple technology domains, • Conduct advanced troubleshooting and resolution for complex infrastructure problems spanning multiple platforms, • Design and implement enterprise-level solutions including virtualization clusters, storage architectures, and network infrastructures, • Lead proof-of-concept development and technical evaluation of new technologies and platforms, • Provide hands-on technical guidance during critical maintenance windows and emergency response situations DESIRED QUALIFICATIONS: Technology Stack Subject Matter Expertise • Container Platforms & Cloud-Native Architecture: Expert-level knowledge of on-premises Kubernetes platforms, container orchestration, microservices architectures, networking (CNI), storage (CSI), security contexts, RBAC, network policies, admission controllers, and multi-tenancy patterns. Experience building Kubernetes as an internal platform service for development teams., • Compliance-Driven Infrastructure: Familiarity with NIST 800-53 Rev 5 controls and NIST SP 800-190 container security guidance; practical experience implementing compliance requirements in containerized environments; familiarity with CMMC Level 2 requirements and government contract security obligations, • Enterprise Infrastructure Platforms: Expert-level knowledge of virtualization (VMware vSphere), enterprise object storage (SAN/NAS), and network architecture serving as foundation for container platforms, • Operating Systems:** Advanced expertise in Linux (RHEL, CentOS, Ubuntu) with deep understanding of container runtimes, kernel features (namespaces, cgroups), and security mechanisms (SELinux, AppArmor), • DevSecOps & CI/CD Security: Hands-on experience designing and securing CI/CD pipelines with integrated security controls including container image scanning, software bill of materials (SBOM) generation, vulnerability management, and policy-as-code enforcement, • Automation and Infrastructure-as-Code: Deep technical knowledge of Terraform, Ansible, GitOps workflows, and automation frameworks for declarative infrastructure management, • Understanding of network segmentation, service mesh implementations (Istio, Linkerd), mutual TLS, and identity-aware access controls for containerized environments, • Observability and Monitoring: Expert knowledge of observability platforms including Prometheus/Grafana for infrastructure metrics and AppDynamics for application performance monitoring, • Observability Platforms: Strong understanding of observability and monitoring solutions including Prometheus/Grafana for infrastructure metrics and AppDynamics for application performance monitoring; ability to interpret metrics, define dashboard requirements, and collaborate with platform teams on monitoring strategies, • Endpoint Management: Knowledge of modern endpoint management solutions including SCCM, Intune, MDM platforms, and desktop deployment automation, • Service Delivery: Understanding of ITIL frameworks, service desk operations, and end-user support best practices, • Emerging Technologies: Technical evaluation and implementation of new platforms and architectural patterns in compliance-constrained environments, • Cloud Technologies: Experience with AWS, Azure, Google Cloud platforms primarily for architectural reference and hybrid patterns; focus on replicating cloud-native patterns on-premise, • Networking: Advanced knowledge of enterprise networking, software-defined networking, service mesh architectures (Istio, Linkerd), and zero-trust network design for containerized workloads, • Database Systems: Experience supporting database teams using enterprise database platforms (SQL Server, Oracle, PostgreSQL, MySQL) including containerized database operations and persistent storage strategies, • ITSM Platforms: Deep experience with ServiceNow platform capabilities including incident management, problem management, change management, and service catalog workflows; ability to define operational requirements and request platform enhancements. Education & Professional Experience • Bachelor's degree in Engineering, Computer Science, Information Technology, or related technical field, • 12+ years of progressive experience in enterprise infrastructure management and technical leadership, • 5+ years of senior management experience with direct reports and budget responsibility, • Proven track record leading large-scale infrastructure transformation and modernization projects, • Proven ability to lead technical teams while maintaining hands-on technical involvement, • Experience managing infrastructure budgets of $5M+ and leading cost optimization initiatives, • Strong project management capabilities with PMP certification or equivalent experience, • Excellent communication skills for both technical teams and executive leadership, • Experience with vendor management, contract negotiation, and strategic technology partnerships, • Virtualization: VMware VCP-DCV, VCAP-DCA, or equivalent advanced certifications, • Cloud Platforms: AWS Solutions Architect Professional, Azure Solutions Architect Expert, or Google Cloud Professional (for architectural reference), • Project Management: PMP, Prince2, or equivalent project management certifications a plus, • ITIL: ITIL Expert or equivalent service management certifications a plus *The salary range reflected is a good faith estimate of base pay for the primary location of the position. Our compensation reflects the cost of labor across several U.S. geographic markets, and we pay differently based on those defined markets. The U.S. pay for this position is up to $200,000.00 annually. Pay varies by work location and may also depend on job -related knowledge, skills, experience and abilities of the successful candidate. Your recruiter can share more about the specific salary range for the job location during the hiring process. To learn more about our company and other opportunities visit us at Keywords: IT Infrastructure, IT Operations, New York Jobs, IT Jobs, Indeed, LinkedIn, Google, Lever, #ITInfrastructure, #ITOperations, #NewYorkJobs, #ITJobs, #Indeed, #LinkedIn, #Google, #Lever, #Ladders, Information Technology Operations, IT Management, Information Technology Infrastructure, Global IT Program Manager, Global IT Operations, MetTel is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws. To learn more about our company visit us at

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