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¿Te gusta la calidad y trabajas como QA Performance y buscas un proyecto estable? Estamos buscando un/a QA Performance con conocimientos en IA para incorporarse a un equipo de la CDN de Telefónica, donde participarás en tareas de rendimientos, estabilidad, escalabilidad de la plataforma TCDN mediante la planificación y ejecución de pruebas avanzadas de rendimiento sobre software y hardware, el tuning profundo del sistema, la validación en entornos productivos, y la incorporación de casos de uso basados en IA para optimización y análisis avanzado. Qué buscamos: • Experiencia con pruebas de rendimiento y validación, • Análisis y reporting de informes técnicos de alto nivel., • Optimización y tuning del sistema. (Linux, redes TCP/IP, Kernel y almacenamiento), • Redes de alto rendimiento. (Baja latencia, redes de alta capacidad)., • Contrato indefinido, • Horario flexible, • Intensiva de verano, • Trabajo híbrido/remoto, • Retribución flexible, • Clases de inglés

We’re hiring: Simulation & Detection Engineer (BAS / SIEM / EDR / XDR) Hack in Hire is recruiting for a cybersecurity consulting and services company (Barcelona-based, international scope) that has been protecting organizations for years across incident response, digital forensics, managed services, threat intelligence, and Red & Purple Team engagements. The team is growing its Security Control Validation + Detection Engineering capability and is looking for someone who enjoys turning realistic adversary simulations into high-signal detections and clear improvement plans for customers. About the role As a Simulation & Detection Engineer, you’ll combine offensive and defensive thinking to evaluate and improve customer security controls. You’ll operate and refine Breach & Attack Simulation (BAS) tooling, design attack scenarios mapped to MITRE ATT&CK, analyze simulation outcomes, and translate gaps into detection rules, mitigations, and actionable reporting for technical and executive stakeholders. What you’ll do • Operate, tune, and administer BAS / attack simulation tools to validate security controls in realistic scenarios, • Select and replicate adversary tactics and techniques aligned with MITRE ATT&CK, • Analyze simulation results to identify detection/control gaps and improvement opportunities, • Define threat detection and mitigation strategies based on findings, • Design, develop, and fine-tune detection rules across SIEM / EDR / XDR platforms, • Configure and manage lab environments to execute attack simulations safely and repeatably, • Automate evaluation and reporting workflows by building scripts/tools (e.g., Python, PowerShell, Bash), • Produce technical and executive reports communicating risks, evidence, and recommendations clearly to customers What we’re looking for • Bachelor’s degree in Engineering / Cybersecurity (or equivalent proven professional experience), • 2–3 years of experience in one or more of the following:, • Adversary simulation / BAS platforms (e.g., AttackIQ, Caldera, Cymulate, Pentera, SafeBreach, or similar), • Detection engineering / SOC work creating and optimizing alerts in SIEM and/or EDR, • Strong understanding of Windows telemetry/logs and events for proactive detection, • Solid grasp of adversary TTPs mapped to MITRE ATT&CK, • Experience with SIEM/EDR tools such as CrowdStrike, Cortex, Splunk, Elastic (ELK), LogRhythm, Microsoft Sentinel, QRadar, Chronicle, Wazuh (or comparable), • Scripting skills (Bash, Python, PowerShell) for automation and tooling, • Systems administration knowledge across Windows and UNIX/Linux, • Solid networking fundamentals (TCP/IP, DHCP, DNS, core protocols), • “Purple mindset”: think like an adversary while strengthening defenses, • Ability to communicate clearly in English in technical and international environments, • Certifications and/or a Master’s degree in cybersecurity are a plus What’s offered • Salary range: €28k–€38k (depending on experience and capability), • Barcelona or remote (telework) flexibility, with access to comfortable offices, • Join an international, young, dynamic team with a great working environment, • Close collaboration with Red Team and Blue Team, with exposure to multiple detection technologies and real-world scenarios, • Continuous training (internal + external), including certifications and annual conference attendance, • Personalized career development plan aligned with your growth, • Work-life balance support + summer intensive schedule, • Flexible compensation plan (meals, transport, childcare, training), • Private health insurance Interested? Apply via LinkedIn or submit your CV via hackinhire.com.

An exciting opportunity to join our client's team at a fast-growing digital product engineering company with a global presence in 33 countries and over 19,000 experts . The company builds products, services, and experiences that inspire, excite, and delight. We are looking for a DevOps Engineer to join this global organization. Objectives Build, automate, and optimize secure, reliable, and scalable infrastructure to support seamless software delivery and operations. Responsibilities • Design, build, and maintain Infrastructure as Code (IaC) using tools like Terraform or Ansible., • Develop, manage, and optimize Continuous Integration and Continuous Deployment (CI/CD) pipelines, such as GitHub Actions., • Automate configuration management, provisioning, and application deployment using tools like Ansible., • Administer, monitor, and secure our systems based primarily on Linux., • Collaborate with development teams to optimize the software lifecycle., • Implement and manage monitoring, logging, and alerting solutions., • Resolve incidents and infrastructure and application problems., • Participate in defining systems architecture and adopting new technologies. Qualifications • Demonstrable experience as a Systems Technician, Systems Engineer, DevOps Engineer, or a similar role., • Knowledge and experience in administering Linux operating systems., • Practical experience in implementing and managing CI/CD processes., • Demonstrable experience with Infrastructure as Code (IaC) tools., • Proficiency in version control systems, especially Git and platforms like GitHub., • Ability to diagnose and solve complex problems in production environments., • Good communication skills and ability to work in a team., • Proactivity and an automation-oriented mindset., • Fluent in Spanish and English is a must. Fluency in Catalan is desirable., • Positively valued:, • Knowledge of scripting/programming languages (Python, Go, .NET)., • Experience in deploying and managing applications, including containers (Docker, Kubernetes) and microservices architectures., • Experience with database administration and optimization (e.g., PostgreSQL, MySQL, MongoDB)., • Familiarity with monitoring and logging tools (Prometheus, Grafana)., • Knowledge of networking (TCP/IP, DNS, firewalls, load balancers)., • Relevant certifications (Terraform Associate, AWS Certified DevOps Engineer, etc.). Additional information • Be part of a supportive team and work on meaningful projects., • Remote-friendly: work from home or come to our modern offices at your choice., • Modern tools: work with the latest tech to help you do your best work., • Employee ownership: take part in our client program that lets you share in the company's success., • Career growth: opportunities to grow and get promoted within the company., • Flexible benefits: choose the perks that suit you best with our flexible pay system. What our client is offering • Access to private medical services., • Sports benefits., • Wellbeing workshops and participation in sports events., • Referral bonus through our BYOB program (Bring Your Own Buddy)., • Access to legal assistance and counseling services., • Vacation time depending on seniority with an yearly increase based on years spent in company., • Access to e-learning platforms and various training programs., • Access to highly skilled experts to bring you the latest in learning and development with training in leadership, technical and personal development., • A flexible working environment., • A competitive remuneration and attractive benefits., • Opportunity to work with Top Clients on important projects., • Continuous learning and improvement activities., • Dynamic, international working environment. Equal Opportunity Employer RSight® is an equal opportunity employer and values diversity in the workplace. We encourage all qualified individuals, including those from diverse backgrounds and people with disabilities, to apply. Application Instructions Please submit your resume (mandatory) outlining your qualifications and interest in the position. Only candidates selected for interviews will be contacted.

¡Seguimos buscando talento…y nos encantaría que te unieras a nuestro equipo! Sea uno de los primeros solicitantes, lea la descripción completa del puesto a continuación y luego envíe su candidatura para que sea considerada. Para que nos conozcas algo mejor, UST es una multinacional norteamericana certificada como Top Employer y Great Place to Work con más de 35.000 empleados a nivel global y con presencia en más de 35 países. Somos líderes en servicios de tecnología digital y proporcionamos soluciones tecnológicas de gran alcance a grandes compañías. ¿Qué buscamos? Buscamos un/a Ingeniero/a SRE especializado/a en Dynatrace para unirse a un equipo técnico con fuerte foco en observabilidad, monitorización y fiabilidad de sistemas en entornos cloud y distribuidos. El rol combina despliegue, administración de plataforma, integración con herramientas corporativas y trabajo cercano con equipos de operaciones y desarrollo. Colaboración 100% remoto desde España. Funciones y responsabilidades: Despliegue de componentes • Instalar, configurar y mantener Dynatrace OneAgent en servidores, contenedores y entornos cloud (Azure)., • Configurar y administrar ActiveGates en entornos cloud (Azure)., • Gestionar la plataforma Dynatrace (SaaS)., • Configurar dashboards, as, synthetic probes y extensiones., • Integrar Dynatrace con herramientas del ecosistema TI:, • CI/CD, • ITSM (ServiceNow u otras), • Plataformas de observabilidad y operaciones, • Análisis de logs, métricas y traces., • Soporte en la detección y resolución de incidencias en entornos productivos., • Colaboración con equipos de desarrollo y operaciones bajo principios SRE. Localización 100% remoto Horario Jornada de oficina Qué esperamos de ti: • Experiencia sólida con Dynatrace, incluyendo:, • OneAgent, • ActiveGate, • Extensiones, • OpenTelemetry, • Synthetic probes, • Dashboards, • Conocimientos de APM, sistemas Windows y Linux., • Experiencia en arquitecturas web, microservicios y sistemas distribuidos., • Familiaridad con Kubernetes, contenedores y cloud (AWS y/o Azure)., • Fundamentos de redes: TCP/IP, HTTP, SSL/TLS., • Experiencia en análisis de logs, métricas y trazas., • Mínimo 5 años de experiencia en roles de Operaciones, SRE o DevOps. Requisitos Deseados: Conocimientos de OpenSearch. ¿Qué te ofrecemos? • 23 días laborables de vacaciones y el 24 y 31 de diciembre., • Numerosos beneficios sociales (seguro médico, ayuda al teletrabajo, seguro de vida y seguro de accidentes)., • Programa de Retribución Flexible (tarjeta comida, cheques guardería, tarjeta transporte, clases de inglés online, seguro médico para tu familia…)., • Acceso gratuito a varias plataformas de formación., • Estabilidad y carrera profesional., • Tenemos implantado un plan de compensación de referencias internas., • Posibilidad de elección de percibir tu salario en 12 o 14 pagas., • Medidas de conciliación (horario flexible, teletrabajo, asesoramiento de especialistas (psicólogo, nutricionista, entrenador personal), jornada intensiva los viernes y en verano según proyecto)., • Plataforma UST Club descuentos y descuentos en gimnasios. Si quieres conocer más, no dudes en inscribirte y nos pondremos en contacto contigo para ampliarte información de la posición ¡Te estamos esperando! En UST nos comprometemos con la igualdad de oportunidades en nuestros procesos de selección y no realizamos ningún tipo de discriminación por razón de raza, género, discapacidad, edad, religión, orientación sexual o nacionalidad. Estamos comprometidos con la discapacidad y apostamos por la incorporación de personas con certificado de discapacidad. xcskxlj Hay opciones de teletrabajo/trabajo desde casa disponibles para este puesto.

Project description Lea atentamente toda la información sobre esta oportunidad y luego utilice el botón de solicitud de abajo para enviar su CV y su candidatura. Support Varian's Global Cloud Operations as a Senior Network Escalation Engineer, serving as the lead escalation point for complex network issues across public, private, and hybrid cloud environments. The role focuses on ensuring high availability, performance, and security of enterprise cloud infrastructure in collaboration with global teams, customers, and technology partners. Responsibilities -Act as senior escalation point for network-related incidents in cloud environments. -Lead troubleshooting efforts across public, private, and hybrid cloud infrastructure. -Collaborate with Service, Operations, Security teams, customer IT, Telco partners, Microsoft, and Palo Alto Networks. -Perform root cause analysis (RCA) and provide incident summaries and written escalation updates. -Support enterprise-grade network security, availability, and performance initiatives. -Contribute to cloud infrastructure projects and operational improvements. -Create and maintain technical documentation and network diagrams. -Escalate urgent cases with vendors and service providers following proper support paths. -Provide high-level customer service and stakeholder communication. Skills -Degree in computer science, or other engineering or technical discipline is preferred, or equivalent (7-10 years of additional specific relevant experience may be substituted for education). -Experience in supporting and managing networks in an enterprise cloud computing environment. o Deep understanding of network protocols (e.g., TCP/IP, UDP, ICMP, ARP,), addressing, NAT and subnetting, CIDR. o Routing and Switching expertise in dynamic routing protocols like OSPF, EIGRP, BGP, and MPLS. Experience with VLANs, STP, and layer 2/3 concepts. o Network Performance Analysis, with the ability to interpret packet captures using tools like Wireshark, tcpdump, iperf, or SolarWinds as examples. o Network Performance Analysis: Ability to interpret packet captures using tools like Wireshark, tcpdump, iperf, or SolarWinds for example. o WAN and VPN knowledge of technologies such as MPLS, SD-WAN, IPsec, and SSL VPNs. Microsoft ExpressRoute experience preferred. o Skills in hybrid networking setups and cloud-based solutions. Azure Virtual Network. o Hands-on experience with including hands-on experience with routers, switches, load balancers, and firewalls (e.g., Cisco, Juniper, Fortinet, Palo Alto, Citrix NetScaler, etc.). -Network Security Concepts o Expertise in firewalls, IDS/IPS systems, access control lists (ACLs), and DDoS mitigation. o Authentication and Encryption knowledge of RADIUS, TACACS+, PKI, and SSL/TLS. -Hands-on experience troubleshooting telecom/peering partner/peering provider networks. Understanding of vendor and telco/exchange/service providers support escalation paths and being able to escalate support requests to these vendors in a typically urgent and timely fashion. -Experience working with business-critical, highly available/scalable infrastructure and applications. -Experience with ticket handling and processing. -Experience writing technical documentation, including diagram documentation (Visio or Lucidchart) -Clear communicator, ability to communicate technical terms to business and customer stakeholders. Desired Experience -Knowledge of DICOM and HL7 standards -Networking portion of Varian Applications Suite a plus (ARIA, Eclipse...) -Enterprise infrastructure environments -Advanced Active Directory and Systems Management concepts. -ITIL knowledge and experience with Incident, Problem, Change and other process disciplines. -Windows Server, Hyper-V & VMWare/vSphere. -Citrix and Remote Desktop Protocol -Advanced Azure IAAS management & administration. Nice to have Knowledge of DICOM and HL7 standards. Familiarity with Varian Applications Suite (ARIA, Eclipse). Experience in enterprise Active Directory environments and systems management. ITIL process knowledge (Incident, Problem, Change). xcskxlj Experience with Windows Server, Hyper-V, VMware/vSphere, Citrix, RDP, and advanced Azure IaaS administration. Languages English: C1 Advanced