Prominent · 9 hours ago
Mainframe Developer
United States
Full-time
Remote
Senior Level
$40/hr - $55/hr
5+ years expProminent is looking for a Mainframe Developer for a long term, REMOTE opportunity. The Mainframe Developer will design, develop, test, and support enhancements to existing mainframe applications for clients, focusing on hands-on development with COBOL and Natural.
Information TechnologySoftwareStaffing Agency
No H1B
Hiring Manager
Molly Morrissey
Responsibilities
Analyze requirements and produce practical technical designs for moderate to complex changes within established patterns/standards
Create and update design documentation (program specs, data mappings, flow diagrams) and walk through with stakeholders for approval
Recommend incremental improvements that align with existing architecture (no enterprise architecture ownership)
Develop and maintain programs using COBOL and/or Natural
Author and troubleshoot JCL for batch processes, job streams, and error handling
Build test scenarios and perform unit, system, and acceptance testing; document results
Participate in peer code reviews and apply feedback to improve quality
Maintain runbooks, deployment notes, and solution documentation
Provide production support in a rotational 24×7 on-call model; perform root-cause analysis and implement fixes
Provide time and effort estimates for assigned work items and small enhancements; assist on estimates for moderate projects
Actively participate in Agile ceremonies (stand-ups, planning, reviews, retros)
Document tickets, decisions, and work acceptance in team tools
Mentor peers informally on standards and procedures as needed (no formal people leadership)
Qualification
Required
Proficient in COBOL (maintenance and net-new development)
Proficient in Natural (maintenance and net-new development)
Strong working knowledge of JCL (batch authoring, scheduling handoff, troubleshooting)
Experience with ADABAS and DB2 (queries, data analysis, understanding of performance basics)
Familiarity with Oracle concepts and SQL tooling (e.g., PL/SQL Developer or equivalent)
Comfortable with tools such as QMF, Visio (or equivalents) for data and design work
Solid testing discipline and defect management
Bachelor's degree in Computer Science, Information Systems, or related field
5+ years of mainframe development in enterprise settings (or equivalent)
Experience with Natural/ADABAS in public sector or large enterprise environments
Exposure to mainframe CI/CD and change tools (e.g., Endevor, ChangeMan, ISPW)
Familiarity with job scheduling platforms (Control‑M, CA‑7, TWS)
Integration experience (e.g., MQ, file-based interfaces, service layers)
Prior participation in rotational on-call support
Informal mentorship or focal-point experience
State government or regulated industry experience
Company
Prominent
Prominent provides enterprise-level custom software and IT staffing solutions.
11-50 employees
Funding
Current Stage
Early StageLeadership Team
Alan Peltz
Founder & CEO
Company data provided by crunchbase