Job Details

Job Title: Mainframe ChangeMan ZMF Engineer
Job Location: Reston, Virginia (Hybrid)
Job Type: Contract
Interview Mode: Onsite Interview

Job Description:

We are seeking a Senior Software Engineer to support a large-scale transformation from a mainframe SCM (ChangeMan ZMF) to a modern DevOps-based ecosystem using Bitbucket, Jenkins, and IBM mainframe development accelerators. Once complete, the organization will operate fully on DevOps tooling.

This role involves designing, developing, testing, and supporting complex, enterprise-scale software systems while collaborating with cross-functional stakeholders and mentoring junior engineers.

Key Responsibilities:

• Design, develop, test, debug, and document complex enterprise applications
• Serve as a Subject Matter Expert (SME) for existing systems and DevOps migration efforts
• Perform software analysis, requirements definition, and use-case development
• Develop and execute automated unit and integration tests
• Ensure compliance with code quality, DevOps, migration, and security standards
• Support high-visibility production issues and critical system incidents
• Collaborate with cross-functional teams on architecture, roadmap, and product scoping
• Identify performance, availability, and scalability improvements
• Evaluate and recommend emerging technologies and best practices
• Mentor junior software engineers and contribute to team excellence

• Bachelor's Degree in Computer Science, Information Technology, or related field OR 4 additional years of relevant experience in lieu of a degree
• 5+ years of experience in:
• Software development and architecture
• Requirements analysis and system design
• Coding, testing, and debugging enterprise applications
• Strong understanding of SDLC, Agile methodologies, and CI/CD practices

• Deep expertise with ChangeMan ZMF
• Experience integrating ZMF with:
• RACF, XPEditer, JobScan
• SMTP Email, CICS, DB2
• ISPF/TSO, Dialog Manager Panels/Skeletons
• REXX programming
• Proficiency in CI/CD tools and pipelines (Jenkins, Bitbucket, etc.)
• Knowledge of cloud platforms (AWS, Azure)
• Experience with databases: DB2, SQL, Oracle, MongoDB, PostgreSQL
• Familiarity with modern programming languages (JavaScript, Python, C, etc.)
• Strong understanding of code quality, promotion, and deployment practices
• Experience with TDD/BDD and automated testing frameworks

• Excellent written and verbal communication skills
• Ability to communicate technical concepts to all experience levels
• Strong analytical, critical-thinking, and problem-solving skills
• Proven ability to collaborate across distributed teams
• Customer-focused mindset with a history of meeting goals
• Experience mentoring and supporting junior engineers