Senior Engineer – Mainframe / Java - 10974624

Itproposal; Brussel Hoofdstad; Sur place; EUR 90 000 - 120 000; Plein temps

Résumé du poste

Itproposal in Brussels, Belgium seeks a Senior Engineer with IBM Mainframe expertise to lead complex system design and development, translating business requirements into robust technical solutions while guiding junior IT professionals.

The role involves collaborating with architects, maintaining design documentation, and delivering high-quality enterprise applications within an enterprise standards framework; you will drive efficient software delivery and adapt to changing priorities.

Qualifications

• 10+ years of experience as a developer and functional designer.
• Deep expertise in IBM Mainframe technologies.
• Knowledge of PLI, DB2, MQ, and CICS.
• Strong analytical and problem-solving skills.
• Ability to navigate complex systems and technical environments.
• Experience coaching junior IT professionals.

Responsabilités

• Design and develop complex software applications with a high degree of autonomy.
• Translate business requirements and operational constraints into functional and data models.
• Ensure application designs meet business, operational, and non-functional requirements.
• Collaborate with Architects to validate proposed solutions.
• Define system scope, objectives, and detailed technical designs.
• Review specifications, coding, testing, and debugging activities.
• Contribute to design standards, reusable patterns, frameworks, and tools.
• Support testing and production issue resolution when required.
• Coach and guide junior IT professionals.
• Collaborate with business and IT stakeholders throughout projects and maintenance.
• Maintain high-quality design documentation throughout the lifecycle.

Connaissances

IBM Mainframe

PLI

DB2

MQ

CICS

Core Java

Analytical skills

Outils

ASP.NET 4.5

Mainframe/DB2 administration

Description du poste

Senior Engineer – Mainframe / Java

Location: Brussels, Belgium
Employment Type: Contract
Duration: 6 Months
Start Date: 31 October 2026
Experience: 10+ years

Role Overview

We are looking for an experienced Senior Engineer with strong IBM Mainframe expertise to undertake complex system design, development, and functional design activities.

The role involves translating business and operational requirements into effective technical solutions, supervising development activities, and ensuring application designs comply with architectural and enterprise standards.

Key Responsibilities

• Design and develop complex software applications with a high degree of autonomy.
• Translate business requirements and operational constraints into functional and data models.
• Ensure application designs meet business, operational, and non-functional requirements.
• Collaborate with Application and Enterprise Architects to validate proposed solutions.
• Define system scope, objectives, and detailed technical designs.
• Review program specifications, documentation, coding, testing, and debugging activities.
• Contribute to application design standards, reusable patterns, frameworks, and tools.
• Support application testing and production problem resolution when required.
• Coach and guide junior IT professionals.
• Collaborate with business and IT stakeholders throughout projects and maintenance activities.
• Maintain high-quality design documentation throughout the application lifecycle.
• Work with IT Infrastructure teams to provide clear technical and physical architecture information.

Required Skills & Experience

• 10+ years of experience as a developer and functional designer.
• Deep expertise in IBM Mainframe technologies.
• Strong knowledge of:
  • PLI
  • DB2
  • MQ
  • CICS
• Strong analytical and problem-solving skills.
• Ability to navigate complex systems and technical environments.
• Solution-oriented and proactive mindset.
• Ability to identify opportunities for improving software delivery efficiency, quality, and cost.
• Ability to adapt quickly to changing priorities.
• Strong organizational skills and ability to work autonomously.
• Excellent communication and stakeholder-management skills.
• Experience working on major IT projects.

Nice to Have

• Core Java experience.
• ASP.NET 4.5 experience.
• Experience in Mainframe/DB2 administration environments.
• Experience with complex enterprise application architectures.