Radiant Digital · 9 hours ago
Mainframe Developer
United States
Contract
Remote
Senior Level
5+ years expRadiant Digital is seeking a Mainframe Developer to design, develop, test, and support enhancements to existing mainframe applications. The ideal candidate will translate business requirements into technical solutions and will be involved in Agile teams while maintaining production support.
HealthcareInformation TechnologyHealth CareInfrastructure
Hiring Manager
Akhil Reddy
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
Strong technical writing (design docs, runbooks, change notes)
Ability to explain technical concepts clearly to non-technical stakeholders
Detail-oriented, organized, and dependable follow-through
5+ years of mainframe development in enterprise settings (or equivalent)
Bachelor's degree in computer science, Information Systems, or related field
Preferred
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 (ControlM, CA7, 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
Radiant Digital
Radiant Digital is supports multiple health focused agencies including Department of Health and Human Services.
201-500 employees
H1B Sponsorship
Radiant Digital has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
2024 (5)
2023 (10)
2022 (2)
2021 (10)
2020 (21)
Funding
Current Stage
Growth StageRecent News
Company data provided by crunchbase