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Job Details: Job Title: Network Analyst Location: White Plains, NY Duration: 12 Months Pay rate range: $60.00 - $65.00/Hour on W2. Work Schedule Onsite Monday through Friday 7.5-hour workday with .5-hour unpaid lunch, Paid for time worked only Project Overview: IT Network Services team has several Digitization projects and work efforts in 2023 including, but not limited to: Digital Worker Connect (DW Connect) Communications Back Bone Project Core IT infrastructure LEM Company Cloud migration activities Upgrade Operations Turrets & Call manager BAU activities including the IT Switch Refresh and Patch management. Job Functions & Responsibilities: • Provides technical expertise at the highest level. Responsible for high- and low-level network planning, design and optimization., • Develop strategies and directions for network solutions using current and emerging technologies., • Develop, implement, and enforce corporate policies, standards, and guidelines that are aligned with the company's strategic business objectives as they pertain to the Corporate Network., • Translate business requirements into network or process designs., • Plan and recommend network hardware, systems management software and architecture., • Builds, configures, and maintains network switches, routers, load balancers and various voice appliances., • Monitors network performance, ensures capacity planning is performed and is proactive in assessing and making recommendations for improvement., • Applies continuous improvement techniques to ensure the network infrastructure attains maximum performance, security and availability., • Must ensure that the network environment maintains appropriate recovery, and redundancy issues are addressed., • Is able to appropriately prioritize network faults, then diagnose and resolve problems in the shortest possible time all while under pressure from the various other impacted business groups., • Provide design, implementation, and operational support for the Company Cisco VoIP telephony systems., • Coordinate with sites to provide technician training for new hardware. Is responsible for the daily monitoring and management of IP network appliances., • Develops and follows procedures to handle network fault events., • Perform system-wide/cross functional team management., • Plan and manage small to large scale projects. Maintain all documentation regarding network infrastructure., • Competent in networks, firewalls, routers, load balancers, Microsoft Windows, and Linux Operating System environments., • Good knowledge of Cisco CUCM and VoIP administration and maintenance., • Good knowledge of F5 LTM Load Balancer administration and maintenance., • Expert knowledge of AWS and Azure Cloud networking components. Expert Knowledge of CISCO WLC environment including 5500,2504,9800 WLC Expert knowledge in design and implementation of highly complex networks., • Expert knowledge of Cisco IOS, Nexus OS, Cisco switches, and routers. Expert knowledge of WANs, LANs, Internet, Intranets, and protocols., • Expert knowledge of network standards and best practices found throughout both the public and private sectors., • Must be able to understand the risks of network maintenance outages, and the consequences of such action., • Industry training and certifications directly correlating with company’s infrastructure (i.e. CCNP, AWS cloud practitioner, F5 201/301 etc.)., • Bachelor’s Degree (or equivalent) in a computer science, engineering, or related technical or business discipline., • Minimum 5 years quality technical experience (or a minimum of 10 years of directly related experience for non-degree holders).

We are seeking a high-caliber Systems Reliability & Integration Engineer to manage a complex, high-concurrency Linux infrastructure. This role is designed for a dedicated troubleshooter who enjoys the "detective work" of system administration. You will ensure the stability of a fleet of Ubuntu and RHEL servers supporting thousands of concurrent remote sessions, while managing the critical data feeds and application environments that keep our business moving. Core Responsibilities 1. High-Density Systems & Infrastructure ● Fleet Management: Maintain and optimize a mixed environment of Ubuntu and RHEL servers, ensuring high availability for thousands of concurrent user connections. ● Connectivity Orchestration: Manage the secure handoff between RDP gateways and backend SSH environments. ● Traffic Management: Configure and tune Nginx as a high-performance reverse proxy and load balancer to handle peak traffic loads. ● Kernel & Network Tuning: Proactively monitor and tune the Linux networking stack (TCP/IP limits, file descriptors, and socket buffers) to prevent bottlenecks in a high-density session environment. 2. Collaborative Lifecycle Management ● Stakeholder Alignment: Actively participate in technical syncs with Project Managers and Developers to represent infrastructure interests during the product roadmap phase. ● Release Governance: Consult on the deployment of updates and hotfixes, ensuring that Best Practices are followed to minimize user impact. ● Feedback Loop: Provide developers with production-level telemetry to help them optimize code before it reaches the fleet. 3. Production Application Support ● Post-Deployment Engineering: Troubleshoot .NET Core applications and bottlenecks. ● Runtime Diagnostics: Troubleshoot application crashes, memory pressure, and threading issues within the Linux environment to ensure software performs reliably at scale. 4. Data Integration & ETL Management ● Inbound Processing: Manage and troubleshoot data ingestion from multiple external systems. ● Outbound Replication: Monitor and maintain data feed replication from Linux-based systems to Microsoft SQL Server environments. ● Feed Reliability: Monitor and maintain the integrity of automated ETL scripts, ensuring data lands accurately and on time across heterogeneous systems. 5. Critical Service & Messaging Operations ● Communication Flows: Manage Postfix mail queues for transactional messaging and internal relays. ● Print Management: Support enterprise-scale printing via CUPS, troubleshooting driver conflicts and spooling issues across a distributed network. 6. Security, Hardening & Modernization ● System Hardening: Apply security best practices to both Ubuntu and RHEL fleets, utilizing SELinux, AppArmor, and firewall configurations to ensure a "Defense in Depth" posture. ● Access Control: Harden SSH configurations and entry points to protect against lateral movement. ● Automation Roadmap: Contribute to the transition from manual administration to Ansible. You will help build the playbooks that standardize our configurations, patching, and security audits. Mavis is an Equal Opportunity Employer Consistent with our commitment to the principle of equal employment opportunity for all individuals, we enforce a zero-tolerance policy on discrimination at Mavis. Employment decisions are made without regard to an applicant's or employee's actual or perceived race, color, religion, creed, sex, pregnancy, sexual orientation, national origin, age, ancestry, ethnicity, disability, citizenship, alienage, marital status, domestic or civil union partnership status, familial status, caregiver status, military or veteran status, transgender status, gender identity or expression, genetic information, predisposing genetic characteristic, status as a victim of domestic violence, stalking and sex offenses, or any other status protected by applicable federal, state or local laws, regulations or ordinances. Exceptions or modifications to certain job duties and/or expected schedules may be provided for an employee who needs a reasonable accommodation for: (a) a sincerely held religious belief, observance or practice that conflicts with the expected schedule for a position; or (b) an otherwise qualified individual with a disability, unless such accommodation poses an undue hardship on our business, in accordance with applicable federal, state and local laws. Additional information is available by contacting . We will endeavor to make a reasonable accommodation / modification to the known physical or mental limitations of a qualified applicant with a disability to assist in the hiring process, unless the accommodation would impose an undue hardship on the operations of our business, in accordance with applicable federal, state and local laws. If you believe you require such assistance to complete this Application for Employment or to participate in the interview process, please contact our Employee Experience team at (914) 984-2500 ext. 5631. We also will endeavor to provide reasonable accommodation for a job applicant's or an employee's sincerely held religious beliefs, observances, or practices that conflict with a work requirement unless the accommodation poses an undue hardship to our business, in accordance with applicable federal, state and local laws. If you believe you require such an accommodation, please contact our Employee Experience team at (914) 984-2500 ext. 5631. In addition, applicants may report any instances of perceived discrimination through HRConnect either by calling toll-free at 1-877-628-4755 or by sending an email to .

Job Description Trexquant is a growing systematic fund manager with a core team of highly accomplished technologists. We are currently seeking an enthusiastic and skilled Data Operations Engineer with a strong operational focus to join our team. As a Data Operations Engineer, you will play a crucial role in monitoring and optimizing our trading processes, enhancing our development and deployment processes, and contributing to the overall efficiency and success of our operations. If you are passionate about optimizing operational workflows, ensuring system reliability, and driving continuous improvement, we encourage you to apply. Responsibilities: (1) Operational Monitoring and Troubleshooting: • Collaborate with teams to establish robust monitoring and alerting systems that provide real-time insights into the trading process status., • Take a proactive approach to monitoring, promptly identifying and resolving operational issues to minimize downtime and disruptions. (2) Continuous Integration and Deployment: • Develop, enhance, and maintain pipelines dedicated to facilitating data/alpha/strategy generation, testing, and deployment procedures., • Foster close collaboration with research teams to ensure the smooth deployment of scripts, promoting seamless integration of research findings into practical applications. (3) Quality Control and Assurance: • Establish and sustain quality control measures to ensure the consistency and robustness of scripts and applications., • Conduct regular inspections and audits of production lines to identify and rectify any quality-related issues promptly. (4) Continuous Improvement Initiatives: • Identify opportunities for continuous improvement within the production process, driven by data analysis and performance metrics., • Lead or contribute to cross-functional improvement projects aimed at enhancing production efficiency and increasing overall output. (5) Documentation and Reporting: • Maintain accurate records of production processes, performance metrics, and quality control data., • Strong working knowledge of Python and Linux is a must., • Experience working with SQL is an advantage., • Prior development experience in fault-tolerant distributed or data intensive applications is a plus., • Process-driven with strong attention to detail., • Ability and willingness to adapt to new challenges in a dynamic environment with shifting priorities., • Competitive salary plus bonus based on individual and company performance., • Collaborative, casual, and friendly work environment., • PPO Health, dental and vision insurance premiums fully covered for you and your. dependents., • Pre-tax commuter benefits., • Weekly company meals. Trexquant is an Equal Opportunity Employer

Job Description Trexquant is a growing systematic fund at the forefront of quantitative finance, with a team of world-class researchers and engineers. As we continue to expand our trading operations, we are investing heavily in building the next generation of our quantitative research & trading platform. We are seeking an Early Career Software Engineer with strong programming skills to join our engineering team. In this role, you will work closely with experienced engineers and quantitative researchers to develop the infrastructure that powers systematic trading, including data pipelines, back testing tools, and execution systems. You will have the opportunity to contribute to greenfield development projects, where you’ll help build new systems from the ground up, driving innovation and scalability in our technology stack. Responsibilities • Full lifecycle development of low-latency, high-throughput research and trading systems using C++, C, Java, or Rust, • Build and optimize data processing pipelines to ensure reliable access to large, high-quality datasets., • Assist in developing tools for back testing, model training, and strategy evaluation., • Collaborate with researchers and traders to deliver technical solutions that improve research productivity and trading performance., • Participate in code reviews, testing, and documentation to maintain high-quality standards., • BS/MS degree in Computer Science, or a related STEM field, • Strong knowledge of data structures, algorithms, and object-oriented programming., • Proficiency in one or more programming languages: C++, C, Python, Java, or Rust., • Familiarity with Linux environments, • Competitive salary plus bonus based on individual and company performance., • Collaborative, casual, and friendly work environment., • PPO health, dental, and vision insurance premiums fully covered for you and your dependents., • Pre-tax commuter benefits., • Weekly company meals. Applications are open for both Stamford and New York City offices, the latter with a planned opening in October 2026. The base salary range is $130,000 - $175,000 depending on the candidate’s educational and professional background. Base salary is one component of Trexquant’s total compensation, which may also include a discretionary, performance-based bonus. This position is classified as overtime-exempt. Trexquant is an Equal Opportunity Employer.

Job Description Job Title: Director of Software Development Reporting to: CEO Location: Stamford, CT Schedule: Full‐time Salary: Competitive, Bonus, Stock Options Benefits: Comprehensive health, dental, 401(k) matching Position Summary We are seeking a senior engineering leader who will help guide the next phase of our software platform while contributing directly to development. This is a great opportunity to play a central role in shaping product direction, coordinating releases, and supporting new initiatives across content delivery, networking, and transport technologies. This position is ideal for someone who enjoys a blend of hands‐on engineering, technical leadership, and strategic planning. The right candidate will bring a positive, collaborative approach and help foster a strong engineering culture for a growing team. This role offers a clear and rapid path toward career advancement. Primary Responsibilities Technical Leadership & Product Direction • Work with management to create and maintain forward‐looking engineering roadmaps helping shape long-term product and technology direction, • Establish subject matter expertise in one or more of the company’s core focus areas, • Coordinate release planning, timelines, and cross‐team communication, • Contribute directly to the codebase using C/C++, Python, and related technologies, • Drive the design and development of next‐generation capabilities for our managed content delivery platform, our line of hardware appliances, and vertically integrated solution, • Enhance internal development infrastructure, including build systems, version control workflows, and release tooling, • Mentor and support developers as the engineering team expands, setting technical standards and raising the bar for execution, • Collaborate with Product Management, QA and Support to ensure high-quality, timely releases, • Learn and understand customer use cases across satellite, cellular, broadcast and defense markets and translate them into actionable engineering plans and product improvements, • Participate in technical sales discussions, customer meetings, and solution design sessions as a senior technical voice, • Attend selected industry events and trade shows and interface with prospective customers Qualifications Required • Strong expertise in C/C++, object‐oriented design, and modern development tools, • Experience with wireless communication methodologies and standards including satellite and cellular, • Possess an understanding of core networking protocols (HTTP, TCP, UDP), • Experience with scripting languages (bash, Python, etc), • Experience leading and architecting software projects while remaining hands-on, • Experience with both Linux and Windows development environments, • Interest in growing into a VP Engineering or CTO role, • Experience with AI assisted software development, • Background in forward error correction, • Experience with IP multicast, satellite networking, or wireless communication standards, • Knowledge of compression, encryption, and secure content delivery, • Experience with virtualization, DevOps, CI/CD, or build automation, • Prior customer‐facing or technical sales experience, • Ability to manage customer requirements with development prioritiesCompany DescriptionKenCast is a US‐based tech firm focused on making sure data—whether moving from movie studios to theaters, from defense command centers to deployed forces, or from major news organizations to broadcast affiliates—arrives completely, securely and quickly. Known for our error correction algorithms and content delivery technology, we develop software platforms, integrated hardware appliances, workflow automation and end-to-end managed delivery solutions. KenCast offers the pace and hands-on impact of a small company, combined with a 30-year track record, deep industry relationships and a strong base of respected customers.KenCast is a US‐based tech firm focused on making sure data—whether moving from movie studios to theaters, from defense command centers to deployed forces, or from major news organizations to broadcast affiliates—arrives completely, securely and quickly.\r\n\r\nKnown for our error correction algorithms and content delivery technology, we develop software platforms, integrated hardware appliances, workflow automation and end-to-end managed delivery solutions.\r\n\r\nKenCast offers the pace and hands-on impact of a small company, combined with a 30-year track record, deep industry relationships and a strong base of respected customers.

Job Description Company Overview Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment. IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments. Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology. This is Hybrid role (4 days in office /1 day remote) About your Team: We are looking for Web Infrastructure Engineer with at least 5+ years of hands-on experience in web infrastructure or systems engineering fields. What required skill's you need: • 5+ years of hands-on experience in web infrastructure or systems engineering, • Deep technical knowledge of Linux systems, including performance tuning and troubleshooting, • Strong understanding of networking concepts and cyber security fundamentals, • Experience with Akamai or similar CDN services, • Proficiency in scripting and automation tools (Python, Bash, Ansible, etc.), • Experience managing web servers in enterprise environments, • Ability to troubleshoot complex technical issues under pressure, • Experience with Akamai security products a big plus (Akamai WAF, CDN etc.), • Knowledge of Elastic Stack (Elasticsearch, Kibana, APM), • Web application security expertise, • Experience in a regulated industry, • Self-motivated and able to handle tasks with minimal supervision., • Superb analytical and problem-solving skills., • Excellent collaboration and communication (Verbal and written) skills., • Outstanding organizational and time management skills.Company Benefits & Perks, • Competitive salary, annual performance-based bonus and stock grant, • Retirement plan 401(k) with competitive company match, • Excellent health and wellness benefits, including medical, dental, and vision benefits. Company paid medical healthcare premium., • Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP), • Daily company lunch allowance provided and a fully stocked kitchen with healthy options for breakfast and snack, • Corporate events including team outings, dinners, volunteer activities and company sports teams, • Education reimbursement and learning opportunities

Job Description Software Engineer - hedge fund in Greenwich, CT **if interested please send a resume to: Position Summary: We are seeking a skilled and motivated Associate, Developer to join our team. The successful candidate will be responsible for automating and streamlining our operations and processes, building and maintaining tools for deployment, monitoring, and operations, and troubleshooting and resolving issues in our development, test, and production environments. Responsibilities: Infrastructure and Automation · Develop and maintain automation scripts and tools to manage infrastructure. · Design, implement, and manage continuous integration/continuous deployment pipelines to enable rapid software development and deployment. · Set up and maintain monitoring and logging solutions to ensure system performance, reliability, and availability using tools. · Collaborate effectively across teams to streamline repetitive tasks. · Implement and manage security best practices, including vulnerability assessments, patch management, and incident response. · Troubleshoot and resolve issues in development, test, and production environments. · Analyze system performance and identify bottlenecks; recommend and implement performance improvements. Required Skills & Experience: · Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience. · A minimum of four years of experience as an Associate Developer or in a similar role. · Background working with vendor-provided API's. · Scripting skills in languages such as Python, SQL, or PowerShell. · Knowledge in Microsoft Excel and VBA. · Working knowledge of AI tools and platforms, with the ability to apply them effectively in day-to-day workflows. · Demonstrates a general understanding or curiosity about financial markets, stocks and broader business trends. · Strong problem-solving and troubleshooting skills. · Excellent communication and collaboration abilities. · Self-motivated and eager to learn. · Strong work ethic and high level of professionalism and integrity · Ability to work in a fast-paced, dynamic environment and handle multiple tasks concurrently. · Experience with Power Automate. Preferred Qualifications: · Proficiency with automation tools. · Familiarity with containerization and orchestration tools. · Experience with monitoring and logging tools (e.g., Prometheus, Grafana, OpenTelemetry). · Background working with Redis and/or Hashi Corp Vault. · Comfortable working across Windows and Linux environments. About us: We are a private investment management company in operation for over 25 years, investing in global multi-industry public markets, through long-only, long and short, and private investment strategies. We currently manage approximately $18+ billion in assets across its various strategies. We have two offices, in Greenwich, Connecticut and in New York City. The firm employs a team comprised of approximately 100 employees. We provide comprehensive benefits to support our employees, their careers, their health, and their well-being, including the following: · Competitive compensation structure · Fully paid health care benefits for employees and dependents · Generous parental and family leave policies · Paid vacation and sick time · Mental and physical wellness programs · Tuition assistance · A 401(k) savings program with a generous employer match

Job Description Company Overview Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment. IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments. Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology. This is a hybrid role (3 days in the office/2 days remote). About Your Team: Our Financial Crimes Surveillance team seeks a Senior Data Engineer to play a critical role in protecting the financial system. You'll architect, implement, optimize, and maintain sophisticated data pipelines that power real-time and batch surveillance models that pinpoint fraud, market manipulation, and money laundering across our platform. The Scale & Impact: • Process 1+ billion order events and 5+ million trades daily, • Protect 3.5+ million client accounts, • Data Architecture & Stewardship, • Own and curate dozens of mission-critical datasets that drive surveillance operations., • Design, build, and automate robust data pipelines supporting real-time and batch processing., • Develop advanced data quality frameworks to proactively identify issues before they impact operations., • Cross-Functional Partnership, • Collaborate with quantitative engineers and surveillance model developers to translate complex business requirements into scalable data solutions., • Transform high-level surveillance concepts into production-ready processes that deliver actionable insights., • Technical Excellence, • Build an analytical infrastructure enabling seamless data exploration and visualization, • Optimize data architectures and databases for maximum performance and reliability, • Create developer tooling that accelerates pipeline development and monitoring, • Ensure data accuracy, security, and compliance with regulatory standards, • Innovation & Optimization, • Continuously enhance system reliability, performance, and efficiency, • Load and format datasets for optimal consumption by quantitative researchers and ML models, • 5+ years of professional software engineering with a focus on data pipeline development (Python or Java), • 3+ years of production Python experience beyond scripting, • Expert-level proficiency in Pandas or Polars, • 1-3 years of hands-on Linux systems experience, • Deep understanding of databases and SQL optimization, • Financial services or fintech background, • Proficiency in C++ or Java, • Self-motivation and able to handle tasks with minimal supervision., • Superb analytical and problem-solving skills., • Excellent collaboration and communication (Verbal and written) skills., • Outstanding organizational and time management skills.Company Benefits & Perks, • Competitive salary, annual performance-based bonus and stock grant, • Retirement plan 401(k) with competitive company match, • Excellent health and wellness benefits, including medical, dental, and vision benefits, and a company-paid medical healthcare premium., • Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP), • Daily company lunch allowance provided, and a fully stocked kitchen with healthy options for breakfast and snacks, • Corporate events, including team outings, dinners, volunteer activities and company sports teams, • Education reimbursement and learning opportunities

Job Description Trexquant Investment LP is seeking a highly skilled and experience Software Engineer with strong C++ expertise and hands-on experience in high-frequency trading environments. In this role, you will design, implement, and optimize high-performance short-term trading signals and support independent trading activities. You will collaborate with researchers and technologists while also operating autonomously to build systems that have a direct and measurable impact on trading performance. Responsibilities • Design, construct, and optimize high-performance short-term trading signals., • Support and enhance independent trading workflows, ensuring robust, scalable, and low-latency performance., • Develop clean, maintainable, and well-tested C++ code for real-time trading systems., • Profile and optimize system performance across software and Linux environments., • Expert-level proficiency in C++ and Linux, with experience developing high-performance, latency-sensitive systems., • Minimum 2 years of quantitative development experience in high-frequency trading or similarly demanding real-time environments., • BA, MA, or PhD in Computer Science or a related STEM field., • Strong analytical and problem-solving skills., • Competitive base salary with guaranteed and performance-based bonuses tied to individual and company results., • Collaborative, friendly, and results-oriented work environment., • Weekly company meals., • Additional company perks. Applications are open for both Stamford and New York City offices, the latter with a planned opening in October 2026. The base salary range is $175,000 - $200,000 depending on the candidate’s educational and professional background. Base salary is one component of Trexquant’s total compensation, which may also include a discretionary, performance-based bonus. This position is classified as overtime-exempt. Trexquant is an Equal Opportunity Employer.

Job Description We are seeking a highly skilled C++ engineer with extensive experience in high-frequency trading systems to join our trading team. In this role, you will design and develop ultra-low-latency trading infrastructure. You’ll work closely with quantitative researchers and fellow technologists to build cutting-edge HFT systems that have a direct impact on our trading performance. Responsibilities • Lead the design and development of low-latency, high-frequency trading (HFT) systems., • Evaluate the existing execution platform and develop plans for a comprehensive revamp., • Optimize system performance across hardware and software layers, including CPU architecture, memory/cache utilization, and network interfaces (NICs)., • Expert-level proficiency in C++ and Linux, with a deep understanding of low-level memory management, concurrency, and performance optimization., • Proven experience developing ultra-low-latency, high-throughput systems, preferably in trading or other real-time environments., • Strong knowledge of profiling tools and techniques for latency measurement and benchmarking., • Hands-on experience with network protocols (TCP/UDP, multicast, Ethernet) and low-latency messaging systems., • Competitive base salary with guaranteed and performance-based bonuses tied to individual and company results., • Collaborative, friendly, and results-oriented work environment., • Full coverage of PPO health, dental, and vision insurance premiums for you and your dependents., • Pre-tax commuter benefits., • Additional company perks. Applications are open for both Stamford and New York City offices, the latter with a planned opening in October 2026. The base salary range is $175,000 - $200,000 depending on the candidate’s educational and professional background. Base salary is one component of Trexquant’s total compensation, which may also include a discretionary, performance-based bonus. This position is classified as overtime-exempt. Trexquant is an Equal Opportunity Employer

Job Description Trexquant is a growing systematic fund manager with a core team of highly accomplished technologists. We seek a Production Engineer to join our team. The Trading Systems Operations Engineer is a vital role in supporting the operation and growth of our production systems infrastructure. The successful candidate will be responsible for ensuring the smooth operation and performance of our trading systems infrastructure as we scale. This includes systems monitoring, incident response, troubleshooting and systems performance optimization. The successful candidate will also collaborate with traders, developers, quantitative analysts and the business team to support their initiatives. Responsibilities: • Monitor trading systems and infrastructure components to ensure optimal performance and reliability., • Proactively identify and resolve potential issues to minimize downtime and optimize system efficiency., • Respond promptly to system alerts and incidents, investigating root causes and implementing solutions to prevent recurrence., • Analyze system performance metrics and identify opportunities for optimization., • Implement performance tuning strategies to enhance system responsiveness and throughput., • Collaborate with software developers and system architects to troubleshoot complex technical issues., • Provide tech and analytical support to Research, Accounting, Investor Relations and Compliance teams eg. troubleshooting, ad hoc analysis of production data, • Support implementation of new trade functionality such as new asset classes or new prime brokers e.g. establish FIX sessions, file encryption, FTP setup, • On-call support Requirements • Bachelor’s degree in Computer Science, Information Technology, or STEM-related field, Masters level or higher preferred, • 1+ years of experience as systems operations engineer, • Strong quantitative analytical skills, • Proficiency in Linux/Unix system administration and scripting languages (e.g., Python, Shell)., • Competitive salary plus bonus based on individual and company performance, • Collaborative, Casual, and friendly work environment, • PPO Health, dental and vision insurance premiums fully covered for you and your dependents, • Pre-tax commuter benefits, • Weekly company meals Trexquant is an Equal Opportunity Employer

Job Description Company Overview Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment. IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments. Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology. This is a hybrid role (3 days in the office/2 days remote). About your team: The Financial Crimes Surveillance team develops and maintains sophisticated systems that detect and prevent fraud, market manipulation, and money laundering across Interactive Brokers' global platform. In this role, you'll architect, implement, optimize, and maintain large-scale data pipelines and surveillance models that process massive volumes of financial data. The team consists of software engineers, data engineers, compliance specialists, and data scientists working on mission-critical infrastructure that directly protects the integrity of the financial system. The Scale & Impact: • Process 1+ billion order events and 6+ million trades daily, • Protect 4.5+ million client accounts Technical Excellence • Design, optimize, and extend transaction surveillance and data pipeline processes to enhance system efficiency, reliability, and scalability, • Navigate seamlessly between strategic, system-level architecture and function-level implementation details of our surveillance system, which orchestrates 150+ processes, • Optimize data architectures and databases for maximum performance and reliability, • Build developer tooling to accelerate development workflows and system monitoring, • Take ownership of projects and sub-systems from planning through resolution, making impactful decisions on complex technical and business-related questions, • Collaborate effectively with quantitative engineers, surveillance model developers, and Compliance stakeholders to translate complex business requirements into scalable designs and processes, • Identify project bottlenecks, risks, and limitations; calculate costs; and provide strategic insights to stakeholders, • Own and curate dozens of mission-critical datasets that drive surveillance operations, • Design, build, and automate robust data pipelines to support real-time and batch processing, • Contribute to the evolution of coding standards and internal code review processes, • Drive best practices in data storage, retrieval, governance, and privacy protection, • Drive automation of processes and workflows to reduce manual effort and enhance system maintainability Which skills are required: • 5+ years of professional software engineering experience in Python, C++ or Java, • 3+ years of professional experience in Python as a primary language (non-scripting), • Extensive experience in Polars, Pandas or NumPy, • 1-3 years of professional experience with Linux operating systems, • Thorough understanding of databases and SQL, • Experience with large Python codebases, • Bachelor's or master's degree in Computer Science, or a related area, • High attention to detail Good to Have: • Experience with data engineering or ETL pipelines, • Knowledge of finance, • Knowledge of C++ or Java, • Self-motivated and able to handle tasks with minimal supervision., • Superb analytical and problem-solving skills., • Excellent collaboration and communication (Verbal and written) skills., • Outstanding organizational and time management skills.Company Benefits & Perks, • Competitive salary, annual performance-based bonus and stock grant, • Retirement plan 401(k) with competitive company match, • Excellent health and wellness benefits, including medical, dental, and vision benefits, and a company-paid medical healthcare premium., • Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP), • Daily company lunch allowance provided, and a fully stocked kitchen with healthy options for breakfast and snacks, • Corporate events, including team outings, dinners, volunteer activities and company sports teams, • Education reimbursement and learning opportunities

Job Description Company Overview Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment. IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments. Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology. About INTERACTIVE BROKERS! This is a hybrid role (4 days in the office/1 days remote). Interactive Brokers Group has been consistently at the forefront of trading innovation, starting with the invention of the first floor-based handheld computer in 1983. We pride ourselves on being primarily a technology company and challenging the status quo. We push boundaries to offer our clients the best trading platform with the most sophisticated features at the lowest cost. Software development is the lifeblood of our firm, and it shows in our stellar brokerage platform. Interactive Brokers is regularly recognized as a leader in the financial services industry. About Your Team: As a Senior DevOps Engineer, you will be a member of the Enterprise Architecture organization and responsible for ensuring the availability, scalability, and reliability of systems and applications. What will be your responsibilities within IBKR: • Write and review code, develop documentation and capacity plans, and conduct proof-of-concept work on new technologies., • Design, implement, and maintain CI/CD pipelines to ensure efficient and reliable build and release processes., • Serve as an escalation contact for service incidents as part of an on-call rotation., • Develop and maintain infrastructure-as-code using tools like Terraform or CloudFormation., • Mentor junior engineers and provide technical guidance., • Stay up-to-date with industry trends and emerging technologies. Which skills are required: • Bachelor's or Master's degree in computer science or other STEM-related field., • 5+ years of experience in Linux/Unix systems and networking fundamentals., • 5+ years of coding experience., • Experience with cloud platforms (AWS or Azure)., • Experience with infrastructure-as-code tools (Terraform or CloudFormation)., • Excellent skills in problem-solving and communication, both verbal and written. To be successful in this position, you will have the following: • Experience in a highly regulated industry such as health care or finance., • Experience with agile methodologies., • Experience with containerization technologies, such as Docker and Kubernetes., • Experience in application software developmentCompany Benefits & Perks, • Competitive salary, annual performance-based bonus and stock grant, • Retirement plan 401(k) with a competitive company match, • Excellent health and wellness benefits, including medical, dental, and vision benefits, and a company-paid medical healthcare premium., • Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP), • Daily company lunch allowance provided, and a fully stocked kitchen with healthy options for breakfast and snack, • Corporate events, including team outings, dinners, volunteer activities and company sports teams, • Education reimbursement and learning opportunities

Job Description Mavis Tire - Systems Administrator Join one of the nation's leading retail automotive chains in a full-time, on-site role within our expanding enterprise IT environment. The System Administrator is responsible for maintaining and optimizing the organization's server infrastructure. This role ensures the reliability, security, and performance of enterprise systems. The ideal candidate will have strong experience in Windows Server administration, virtualization, backup and recovery, and lifecycle management of server hardware. This role will also be responsible for building and deploying Windows systems, including virtual machines. Responsibilities: * Administer, monitor, and maintain Windows Server environments, with limited support for Linux systems. * Perform operating system upgrades, patching, and proactive maintenance to ensure system stability and compliance. * Support Windows Failover Clustering and multiple Remote Desktop Services (RDS) farms to ensure high availability and performance. * Manage and maintain Veeam Backup & Replication for reliable system backups and disaster recovery readiness. * Manage Active Directory, Group Policy, and related identity and access controls. * Administer and track Microsoft licensing compliance and renewals. * Manage the server hardware lifecycle, including procurement, deployment, maintenance, and decommissioning. * Collaborate with internal teams to troubleshoot complex infrastructure and application issues. * Document configurations, processes, and standard operating procedures. * Maintain strong security practices and adhere to organizational IT policies and standards. Qualifications • Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience)., • 3-5 years of experience in system administration within a medium to large enterprise environment., • Proficiency in Windows Server 2016/2019/2022/2025 administration; experience with Linux systems preferred., • Demonstrated knowledge of Hyper-V, Active Directory, DNS, DHCP, IIS and Group Policy., • Experience with Veeam Backup & Replication or equivalent enterprise backup solutions., • Familiarity with Windows Failover Clustering and RDS farms., • Working knowledge of server hardware lifecycle management and asset tracking., • Understanding of Microsoft licensing models and compliance requirements., • Strong troubleshooting and problem-solving skills with attention to detail., • Excellent documentation and communication abilities. Employee Benefits At Mavis, we understand that our people drive our success. We provide our team members with competitive weekly pay, including weekly incentive compensation, a good working environment and an excellent combination of additional benefits like health, dental and vision insurance, a 401(k) retirement savings plan with employer match, paid vacations, paid time off, paid holidays, life insurance, on-the-job training, and opportunities for career growth and advancement. Candidates can apply online at . For any questions, you can call our Recruitment toll free # at 844-375-3995. For more information about Mavis, please visit . Mavis is an Equal Opportunity Employer Consistent with our commitment to the principle of equal employment opportunity for all individuals, we enforce a zero-tolerance policy on discrimination at Mavis. Employment decisions are made without regard to an applicant's or employee's actual or perceived race, color, religion, creed, sex, pregnancy, sexual orientation, national origin, age, ancestry, ethnicity, disability, citizenship, alienage, marital status, domestic or civil union partnership status, familial status, caregiver status, military or veteran status, transgender status, gender identity or expression, genetic information, predisposing genetic characteristic, status as a victim of domestic violence, stalking and sex offenses, or any other status protected by applicable federal, state or local laws, regulations or ordinances. Exceptions or modifications to certain job duties and/or expected schedules may be provided for an employee who needs a reasonable accommodation for: (a) a sincerely held religious belief, observance or practice that conflicts with the expected schedule for a position; or (b) an otherwise qualified individual with a disability, unless such accommodation poses an undue hardship on our business, in accordance with applicable federal, state and local laws. Additional information is available by contacting . We will endeavor to make a reasonable accommodation / modification to the known physical or mental limitations of a qualified applicant with a disability to assist in the hiring process, unless the accommodation would impose an undue hardship on the operations of our business, in accordance with applicable federal, state and local laws. If you believe you require such assistance to complete this Application for Employment or to participate in the interview process, please contact our Employee Experience team at (914) 984-2500 ext. 5631. We also will endeavor to provide reasonable accommodation for a job applicant's or an employee's sincerely held religious beliefs, observances, or practices that conflict with a work requirement unless the accommodation poses an undue hardship to our business, in accordance with applicable federal, state and local laws. If you believe you require such an accommodation, please contact our Employee Experience team at (914) 984-2500 ext. 5631. In addition, applicants may report any instances of perceived discrimination through HRConnect either by calling toll-free at 1-877-628-4755 or by sending an email to . #ZR Job Posted by ApplicantPro

Job Description Trexquant is looking for a senior technologist to lead the design and evolution of our core trading, research, and simulation infrastructure. This role involves architecting and building scalable, low-latency systems in Linux environments, collaborating closely with quantitative researchers & engineers, and driving next-generation simulation and execution platforms. Responsibilities • Design, build, and enhance core infrastructure systems that support trading, research, and operations, including integration with the firm’s Order Management System (OMS)., • Architect and develop a high-performance multi-asset simulation and backtesting platform capable of supporting strategy research, backtesting, and deployment across equities, futures, fixed income, and derivatives., • Evaluate existing systems to identify bottlenecks and implement improvements that enhance scalability, performance, and security., • Collaborate with quantitative researchers and cross-functional teams to ensure the platform accurately models market dynamics, transaction costs, and execution behavior while aligning technical initiatives with a long-term infrastructure roadmap., • Design and optimize scalable data and compute infrastructure for low-latency, high-throughput processing of large-scale market data across simulation and production trading., • Improve caching, time-series management, and distributed computation while keeping the simulation & backtesting framework modular and scalable., • Oversee the development, integration, and deployment of systems and tools in C++, Python, and Linux environments., • Bachelor’s, Master’s, or Ph.D. in Computer Science, Engineering, Mathematics, or a related STEM field., • 6+ years of experience building high-performance trading, simulation, or research infrastructure within Linux environments., • Expert-level proficiency in one of these programming languages: C++ (C++17/20), Java, or Python, with strong knowledge of algorithms, concurrency, data structures, and systems architecture. Preference for C++., • Experience architecting scalable, low-latency, high-throughput systems in Linux-based production environments., • Knowledge of market microstructure, execution systems, and simulation or backtesting methodologies., • Experience designing or supporting OMS, execution, or comparable trading infrastructure., • Excellent communication skills and ability to collaborate effectively across engineering and research teams., • Competitive salary plus bonus based on individual and company performance., • Collaborative, casual, and friendly work environment., • PPO Health, dental and vision insurance premiums fully covered for you and your. dependents., • Pre-tax commuter benefits., • Weekly company meals Applications are open for both Stamford and New York City offices, the latter with a planned opening in October 2026. The base salary range is $175,000 - $200,000 depending on the candidate’s educational and professional background. Base salary is one component of Trexquant’s total compensation, which may also include a discretionary, performance-based bonus. This position is classified as overtime-exempt. Trexquant is an Equal Opportunity Employer

A financial technology firm in Stamford is seeking a seasoned technology lead to enhance its technology infrastructure.The ideal candidate will have over 5 years of experience in programming large-scale systems using C++, Python, or Java in Linux environments.Responsibilities include designing core

The ideal candidate will have a strong background in Linux/Unix systems, coding, and cloud platforms.

Job Description Company Overview Interactive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment. IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments. Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology. This is Hybrid role (4 days in office /1 days remote) About your Team: Interactive Brokers seeks an individual to join our Technical Operations (TOPS) team in Greenwich, CT. To offer the finest online trading experience in the world, Interactive Brokers' TOPS team monitors and provides global operational support for our applications, systems, and other critical business technology 24/7/365. What will be your responsibilities within IBKR: • Monitor the health of applications, networks, and systems underpinning the Interactive Brokers global brokerage system., • Analyze, troubleshoot, escalate and resolve brokerage system operational issues., • Participate in Post-Incident review in collaboration with Software Development, customer service and infrastructure teams., • Provide internal 2nd-level technical support to various teams., • Monitor batch scheduled jobs while troubleshooting and escalating any delays or failures., • Analyze existing business workflows and participate in developing new process monitoring tools., • Act as the primary escalation point for all brokerage system technical issues., • Strong communication skills, and must be fluent in English., • A Bachelor's in a financial or a technical discipline., • A working knowledge of general computing and networking concepts., • Experience working with Linux operating systems., • The ability to analyze and solve problems promptly and accurately in a fast-paced environment., • Knowledge of the securities and commodities markets., • Prior experience in retail or institutional trade support., • Previous experience with scripting languages (e.g., Shell, Perl, Python), • A strong desire to expand your financial and technical knowledge base., • Self-motivated and able to handle tasks with minimal supervision., • Superb analytical and problem-solving skills., • Excellent collaboration and communication skills., • Outstanding time management skills. Company Benefits & Perks • Competitive salary, annual performance-based bonus and stock grant, • Retirement plan 401(k) with competitive company match, • Excellent health and wellness benefits, including medical, dental, and vision benefits. Company paid medical healthcare premium., • Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP), • Daily company lunch allowance provided and a fully stocked kitchen with healthy options for breakfast and snack, • Corporate events including team outings, dinners, volunteer activities and company sports teams, • Education reimbursement and learning opportunities

Experience in Linux and Windows operating systems. Operational experience in Linux Operating Systems.

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

Real-world expertise is turned into training data, evaluations, and feedback loops that improve how models perform.AI labs and enterprises use micro1 to train models and build reliable AI agents through advanced evaluations and reinforcement learning environments.Experts contribute directly to how A

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration.Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and t

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration.Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and t

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

Windows, Linux) Experience with Graphical User InterfaceParallel programming and running parallel jobs on supercomputing systems Experience functioning within an agile development methodology Ability to work effectively across multiple projects simultaneouslyDemonstrated ability and passion for deve

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration.Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and t

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

Project Manager III Troy, NY (On-site) Fusco Personnel is actively recruiting for a Project Manager III to join our client, a fast-growing healthcare technology organization’s Client Implementations team.This role is ideal for a detail-oriented project manager who thrives in a fast-paced environme

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do.Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth.L3Harris provides an inclusive, engaging environment designed to empower empl

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do.Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth.L3Harris provides an inclusive, engaging environment designed to empower empl

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do.Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth.L3Harris provides an inclusive, engaging environment designed to empower empl

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives yo

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do.Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth.L3Harris provides an inclusive, engaging environment designed to empower empl

DoorDash is the #1 category leader in food delivery, food pickup, and convenience store delivery in the US, trusted by millions of customers every day.As a Dasher, you’ll stay busy with a variety of earnings opportunities and can work when it works for you.Being a Dasher with DoorDash gives you th