COBOL Technical Architect for 32→64 Migration (Contract)

E-Frontiers; Dublin; On-site; EUR 92,000 - 148,000; Full time

Job summary

E-Frontiers in Dublin is seeking a Technical Architect (Senior COBOL/Mainframe) for a 3-month contract to drive a 32-bit to 64-bit COBOL migration and related systems. You will stay hands-on while guiding architecture, testing and delivery.

You will collaborate with development, testing and project teams, produce design specifications, and mentor junior staff to ensure high-quality deployments and robust operating performance.

Qualifications

• Strong COBOL development experience in large enterprise environments.
• Experience migrating legacy systems to modern architectures.
• Understanding of the application development lifecycle and delivery flows.
• Familiarity with SQL/Ingres and data formats (XML/JSON).

Responsibilities

• Support analysis and delivery of the 32-bit to 64-bit COBOL migration.
• Produce functional and technical design specifications.
• Maintain high standards of code quality, data and unit testing.
• Lead integration and automated testing efforts.
• Mentor junior resources and support project delivery.
• Collaborate with dev, QA, architecture and operations teams.

Skills

COBOL development

Legacy migration

Application lifecycle

Waterfall

Agile

Relational databases

SQL / Ingres

NoSQL knowledge

XML / JSON / text files

Jira

Tools

Jira

Job description

E-Frontiers in Dublin is seeking a Technical Architect (Senior COBOL/Mainframe) for a 3-month contract to drive a 32-bit to 64-bit COBOL migration and related systems. You will stay hands-on while guiding architecture, testing and delivery.

You will collaborate with development, testing and project teams, produce design specifications, and mentor junior staff to ensure high-quality deployments and robust operating performance.