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About DXC DXC helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures and ensuring security and scalability across public, private and hybrid clouds. The world’s largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates. Our more than 125,000 people in 70-plus countries are entrusted by our customers to deliver transformative technologies to ensure the success, safety and well-being of businesses and people around the world. By combining strengths and expertise globally, we create solutions and deliver greater outcomes for customers across their entire IT estate. Learn more about how we deliver excellence for our customers and colleagues at DXC.com. DXC Global Infrastructure Services (GIS) manages and modernizes IT infrastructure for the world's largest enterprises through agentic, platform-led operations. We deliver cloud, security, workplace, infrastructure and business-process services that shift operations from reactive support to proactive, outcome-driven service delivery at scale, with human-in-the-loop governance. DXC Infrastructure Services deliver agentic operations through DXC OASIS to manage large‑scale, mission‑critical environments. Autonomous, policy‑governed agents anticipate issues, optimize performance, and support remediation with human‑in‑the-loop control, shifting operations from reactive support to pre‑emptive, resilient service delivery. The Mainframe Network System Programmer is a senior professional responsible for the administration, security, availability, and performance of network infrastructure within IBM z/OS environments. This role is critical to ensuring the connectivity and continuity of business‑critical services, managing key technologies such as TCP/IP, VTAM/SNA, Communications Server, and high‑availability solutions. In this position, the successful candidate will install, configure, and maintain z/OS network software and services, optimize TCP/IP and VTAM/SNA environments, and ensure the security and resilience of enterprise‑scale, mission‑critical infrastructure. The role requires strong troubleshooting skills to resolve complex connectivity and performance issues, as well as active participation in migrations, infrastructure upgrades, and disaster recovery activities. The ideal candidate is a highly specialized IBM Z/Mainframe networking expert with deep technical expertise combined with leadership, problem‑solving, and stakeholder management skills. This individual will collaborate with cross‑functional technical teams and vendors, provide technical leadership and mentoring, and participate in a 24x7 on‑call rotation to support global operations. Fluency in English is essential for effective collaboration within international teams and global projects. • Install, configure, upgrade, and maintain z/OS network software and services, • Manage and optimize TCP/IP and VTAM/SNA environments for performance and reliability, • Ensure network security, resilience, and operational stability across mainframe environments, • Troubleshoot complex connectivity and performance issues using z/OS diagnostics and monitoring tools, • Support migrations, infrastructure upgrades, and disaster recovery activities, • Collaborate with cross-functional technical teams and vendors on network infrastructure initiatives, • Provide technical leadership and mentoring to junior team members, • Participate in a 24x7 on‑call rotation to support business‑critical services, • Implement and manage network security technologies including AT‑TLS, TLS certificates, IPsec, and secure file transfer protocols, • Develop and maintain automation scripts using REXX, CLIST, or USS Shell to streamline operations, • 8+ years of experience in Mainframe Network Systems Programming or Administration, • Fluent English (written and spoken) is mandatory, • Strong expertise in IBM z/OS Communications Server, TCP/IP, VTAM/SNA, APPN/HPR, and Enterprise Extender, • Experience with network security technologies including AT‑TLS, TLS certificates, IPsec, IP filtering, SSH, and secure file transfer protocols, • Knowledge of VIPA/DVIPA, Sysplex Distributor, Parallel Sysplex networking, and high‑availability environments, • Hands‑on experience with z/OS commands, TSO/ISPF, JCL, network diagnostics, monitoring, and performance tuning, • Experience with disaster recovery, incident management, change management, and production support, • Automation and scripting skills using REXX, CLIST, USS Shell, or similar tools DXC is an employer of choice with strong values, and fosters a culture of inclusion, belonging and corporate citizenship. We inspire and take care of our people. We work to create a culture of learning, diversity and inclusion and are dedicated to strong ethics and corporate citizenship. DXC is where brilliant people seize opportunities to advance their careers and amplify customer success. Full‑time hires are eligible to participate in the DXC benefit program. DXC offers a comprehensive, flexible, and competitive benefits program which includes, but is not limited to: • health, dental, and vision insurance coverage, • employee wellness, • life and disability insurance, • a retirement savings plan, paid holidays, paid time off At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in‑person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive. DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations — helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world's most complex technology estates. Learn more on dxc.com. #J-18808-Ljbffr

Inse Rail es una compañía independiente, fundada en 1994, dedicada a la ingeniería y consultoría en los sistemas ferroviarios, las infraestructuras del transporte, la industria y la energía, que desarrolla su actividad en las diferentes etapas de planificación, diseño, construcción y explotación de las inversiones. Contamos con un equipo humano multidisciplinar compuesto por profesionales expertos en varias ramas de ingeniería (civil, industrial, eléctrica, mecánica, telecomunicaciones, aeroportuaria) y arquitectura, que ofrecen a cada cliente, de manera individual, atención, servicio y compromiso con los objetivos encomendados. Somos una empresa profundamente innovadora que participa sistemáticamente en programas españoles y europeos de I+D+i, siendo fiel a su responsabilidad social con la aplicación de sistemas de gestión de calidad y ambiental, certificada en las normas UNE-EN-ISO. Actualmente estamos buscando a un/a Ingeniero/a de Asistencia Técnica en Obra para trabajar asociado al Departamento Civil, reportando al Responsable del Departamento. La misión principal de la persona seleccionada será proporcionar asesoramiento técnico y controlar la ejecución de las infraestructuras de sistemas de transporte de energía mediante líneas aéreas de contacto-catenaria en una obra ferroviaria situada en Villabona (Llanera; Principado de Asturias), asegurando que las mismas se realicen conforme a lo establecido en el proyecto y de acuerdo con las necesidades de los clientes. FUNCIONES: - Supervisar los trabajos y la puesta en marcha de las instalaciones, realizando las pruebas necesarias. - Proponer soluciones técnicas ante posibles imprevistos. - Elaborar informes de seguimiento para los diferentes agentes implicados en la obra (Dirección, Contratista, etc.). - Mantener reuniones sobre el avance del proyecto. SE OFRECE: - Contrato indefinido. - Salario: entre 30.000 y 38.000 euros. - Plan de formación. - Posibilidades de desarrollo profesional. - Jornada completa. Horario: Lunes a jueves de 8:00 a.m. / 9:00 a.m. a 17:00 p.m. / 18.00 p.m. (con 45 minutos de comida). Viernes de 8:00 a.m. a 15:00 p.m. - Incorporación inmediata. SE REQUIERE: - Titulado/a en Ingeniería Técnica Industrial o Graduado/a en Ingeniería de la rama industrial. - Al menos 5 años de experiencia en el sector ferroviario, de los que al menos 2 años estén relacionados con obras de catenaria. - Manejo de AutoCAD y del paquete de Microsoft Office. SE VALORARÁ: - Estar en posesión de un nivel de Acreditación DPC Senior Plus o superior. - Permiso de conducir B. - Disponibilidad para viajar.Contrato: indefinidoSalario desde:30000Salario hasta:38000Contrato: Jornada:Salario: