Mainframe COBOL Programmer (Remote Spain)

Cactus; Carballedo; Híbrido; EUR 30.000 - 50.000; Jornada completa

Descripción de la vacante

Una empresa de desarrollo de software busca un Programador COBOL Mainframe para diseñar y mantener aplicaciones en entornos IBM z / OS. El candidato ideal tiene sólida experiencia en COBOL, JCL y CICS, y debe ser capaz de abordar problemas de rendimiento y optimizar aplicaciones. Se ofrecen oportunidades de aprendizaje, horarios flexibles y opciones de teletrabajo disponibles para esta posición, trabajando en un entorno internacional.

Servicios

Horarios flexibles

Desarrollo profesional

Eventos de equipo

Oportunidades de teletrabajo

Formación

• Fuerte competencia en COBOL y JCL.
• Experiencia en CICS y archivos VSAM.
• Conocimiento en DB2 o IMS y SQL para DB2.
• Capacidad de trabajar en entornos SDLC estructurados.

Responsabilidades

• Desarrollar y mantener aplicaciones en IBM z / OS.
• Optimizar y depurar programas COBOL.
• Crear y mantener scripts JCL para procesamiento por lotes.
• Colaborar con equipos multifuncionales para soluciones técnicas.

Conocimientos

COBOL (COBOL / 370, Enterprise COBOL)

JCL (Job Control Language)

CICS

VSAM files

DB2 o IMS databases

TSO / ISPF

mainframe debugging tools

batch scheduling tools

system utilities (IDCAMS, SORT, etc.)

solución de problemas y habilidades analíticas

metodologías SDLC

English proficiency

Descripción del empleo

Cactus is a software development company, providing full-cycle services for the European market. More than 170 companies increased business productivity using solutions developed by Cactus programmers. The company has been regularly included in the listings of the best software development companies in Belgium and Europe.

La descripción completa del puesto cubre todas las habilidades asociadas, la experiencia previa y cualquier cualificación que se espera que tengan los solicitantes.

We are looking for a

Mainframe COBOL Programmer

to design, develop, maintain, and support applications running on IBM z / OS systems. You’ll work closely with technical teams, business analysts, and operations to ensure stable, secure, and efficient mainframe environments.

What You Will Do

• Develop, test, and maintain batch and online applications on IBM z / OS or similar mainframe platforms.
• Write, optimize, and debug COBOL, PL / I, or Assembler programs.
• Create and maintain JCL scripts for batch processing.
• Perform system analysis, troubleshoot issues, and provide production support.
• Collaborate with cross-functional teams to translate business requirements into technical solutions.
• Analyze performance issues and recommend improvements.
• Maintain documentation for code, processes, and system configurations.
• Support data migration, integration, and modernization initiatives.

What We Expect

• Strong proficiency with COBOL (COBOL / 370, Enterprise COBOL).
• Solid experience with JCL (Job Control Language).
• Familiarity with CICS for online transaction processing.
• Experience working with VSAM files and datasets.
• Understanding of DB2 or IMS databases, including SQL for DB2.
• Knowledge of TSO / ISPF development environment.
• Proficiency with mainframe debugging and testing tools (e.g., Abend-Aid, Expeditor, File-Aid).
• Understanding of mainframe batch scheduling tools (e.g., CA-7, Control‑M).
• Knowledge of system utilities (IDCAMS, SORT, SMP / E, etc.).
• Strong problem‑solving and analytical skills.
• Ability to work in structured SDLC and change management environments.
• High English level. English is the working language (spoken and written).

Preferred Qualifications

• Experience with mainframe modernization or migration projects.
• Familiarity with REXX scripting.
• Exposure to MQ Series, SOAP / REST integration, or APIs connecting mainframe services.
• Experience in Agile or hybrid project environments.
• Understanding of security and compliance practices in large enterprise environments.

What We Offer

• Working with international clients.
• An environment to develop your professional capabilities and take ownership.
• Collaboration with a team of open, dynamic, and international experts.
• Full‑time position with a competitive salary and benefits, including learning opportunities.
• Flexible working hours.
• Get together at team events.
• Hay opciones de teletrabajo / trabajo desde casa disponibles para este puesto.