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Mainframe Developer
- Location: Henrico, Virginia 23233
- Work model: On-site
- Posted 2 weeks ago
- Job ID: JPC - 210628
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Job Description
Mainframe Developer - Senior Applications Specialist (Remote, Virginia)
[About the Role]
Join a high-impact team as a Senior Mainframe Applications Developer, supporting mission-critical enterprise systems for a stable, multi-year project. This is a unique opportunity to engage in a structured knowledge transfer with a senior subject matter expert and take ownership of essential legacy applications. Contribute to modernization and migration efforts, ensuring business continuity for a major transportation/logistics environment. Remote work is available, with preference for candidates in Virginia or the Mid-Atlantic region.
[Responsibilities]
- Maintain and enhance complex mainframe applications on IBM z/OS platforms
- Analyze and modify COBOL, JCL, CICS, DB2, and VSAM legacy codebases
- Diagnose and resolve production issues, performing root-cause analysis
- Support application modernization and mainframe-to-modern-platform migration initiatives
- Map application dependencies and integrations between legacy and modern systems
- Collaborate with internal teams, including DBAs, storage, and application groups
- Document and participate in a comprehensive knowledge transfer process
- Ensure compliance with SOX requirements for order-to-cash business processes
- Provide limited production support, including occasional early-morning batch job investigation
[Required Skills and Experience]
- 7+ years of IBM z/OS mainframe development
- Senior-level COBOL development proficiency
- Advanced hands-on experience with JCL, CICS, DB2, VSAM
- Proven troubleshooting, debugging, and root-cause analysis ability
- Experience maintaining and enhancing existing enterprise applications
- Ability to independently understand and modify legacy codebases
- Strong written and verbal communication skills
- Meticulous attention to detail and collaborative mindset
[Preferred Skills]
- Application modernization and migration experience
- API and system integration background
- Knowledge of transportation, logistics, or supply chain systems
- Familiarity with CA7, Tidal, FTP, or similar batch scheduling tools
[Benefits]
- Long-term, stable contract (3-5 years) with growth and skill-building opportunities
- Structured mentorship and knowledge transfer from a senior expert
- Flexible remote work with occasional onsite collaboration if local
- Supportive, team-oriented environment with experienced professionals
- Monday-Friday, 8:00 AM - 5:00 PM Eastern schedule
[How to Apply]
Submit your resume and a brief cover letter highlighting your mainframe application development experience. Candidates must be authorized to work in the United States without sponsorship.
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Job details
Job ID JPC - 210628
Location Henrico, Virginia, United States
Work Model On-site
Job Type C2C
Posted September 30, 2026
Skills Must-Haves Senior-level COBOL development experience Strong troubleshooting/debugging skills JCL CICS DB2 VSAM Experience working independently in IBM z/OS environments Ability to understand and modify existing legacy codebases
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