Source description
About the role
Mainframe Developer/Engineer
Hybrid, once a month onsite in Reston, VA. Candidates MUST reside in the DMV/WV area. Must be able to attend a 2nd-round interview in Reston, VA.
US Citizen or Green Card only
12-month contract with potential for conversion. Candidates MUST be eligible to convert.
Senior Software Engineer with a strong Mainframe background to support core enrollment systems that power employee healthcare programs and enrollment data processing. This is a backfill opportunity supporting a large-scale environment with over 2 million members and a significant portfolio of legacy systems. The team is looking for a dedicated Mainframe professional who is also interested in learning and adopting newer technologies.
Required:
✅ 5+ years of experience in Mainframe development
✅ Strong experience working with COBOL and other Mainframe technologies/tools including CICS, JCL, and DB2
✅ Experience working with large-scale enterprise applications and data processing environments
Nice to Have:
✅ Java development experience, Java/Spring/Boot
✅ Interest in learning and working with modern technologies
✅ Healthcare industry experience, particularly with enrollment or member data systems
✅ Experience supporting Mainframe modernization efforts to the cloud (AWS preferred)
More at 3B Staffing