Mainframe Assembler/Programmer
Vienna , VA
Experience: 0
Category: Information Technology
Contractor Work Model: Remote
Brand: System One
Job ID: 345463
Date Posted: 01/26/2026
Shortcut: http://jobs.systemone.com/IDHqCT
Job Title: Mainframe Assembler/Programmer
Location: REMOTE
Pay Rate: Open to C2C and W2
Position Type: Multiyear Contract
Candidates Must be eligible to work in the US without sponsorship
Requirements
• MUST have extensive Assembler, CICS and COBOL
• Strong preference for this developer to have experience within an Agile environment
• Working with FIS OPF (Open Payments Framework), their ACH processing platform (Any experience FIS Connex experience is a bonus – “not required”)
• Minimum 10 years experience with COBOL, DB2, Command-Level CICS, JCL, Batch and TSO/ISPF
• Strong technical coding skills with a proven track record of adherence to process
• Familiarity with SDLC - Software Development Life Cycle
• Demonstrates an understanding of FIS systems and the financial services industry (big plus)
• Analyze, define and document technical design for data, workflow, logical processes, hardware and operating systems environment, interface with other systems, internal and external controls and output
• Design and code new application solutions; integrate changes to existing solutions
• Develop and maintain solution documentation
• Maintain and monitor systems/applications after implementation
• Prepare test data; conduct unit and string testing; debug code and systems components
• Troubleshoot and resolve application/solution problems
• Conduct research and analysis; make recommendations
• Working knowledge of application development including determining, developing, testing, and implementing system requirements; designing, coding, debugging applications
• Basic skill resolving conflicting requests and meeting changing requirements
• Effective database and presentation software skills
• Effective organizational, planning and time management skills
• Effective research, analytical, and problem solving skills
• Effective skill analyzing and organizing problems or work processes for technical solutions
• Effective skill designing and deploying new, upgraded and/or existing systems
• Effective skill in systems analysis, workflow, or procedural analysis
• Effective skill troubleshooting and resolving technical problems
• Effective verbal and written communication skills
• Serena ChangeMan ZMF source packaging/management tool experience (nice to have).
• Development experience with IBM Mainframe Assembly language, with heavy use of the Concept 14 macros set add-on product (nice to have).
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
Ref: #851-Rockville-S1
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