← all jobs

Mainframe (z/OS, COBOL) Developer

Work from home Full-time role Hiring

Mission Ready. People Focused. Results Delivered. Engineering and delivering secure mission capabilities for critical government operations. 532 Group, LLC ("532 Group") engineers and delivers secure mission capabilities for critical government operations. We partner with agencies to enhance and modernize systems and infrastructures, strengthen cybersecurity, and execute complex programs that improve outcomes for the people government serves. We have an opening for an experienced Mainframe (z/OS, COBOL) Developer. You'll join a great team; a good personality and strong work ethic are key. This is Remote position, you must live in the United States (no exceptions) and must have lived in the U.S. for three of the last five years. U.S. Citizenship or Green Card required. No 1099, C2C, or recruiters. This position requires a background investigation to obtain a Public Trust Security Clearance. Job Summary As a Mainframe Developer, you will take on interesting challenges both sustaining and modernizing multiple programs. Responsibilities and Duties Provide application support, application enhancements, and production support Conduct research, analyze information, and perform analysis to support the delivery of defect corrections Troubleshoot complex issues Develop scripts and other utilities to implement production data fixes Create, monitor, and optimize performance Develop standards, guidelines, and best practices Qualifications and Required Skills Must Have Technology experience: COBOL, Z/OS, CICS Preferred Technology experience: industry standard languages (e.g., Python, Java, JavaScript, C#) and/or next generation languages (e.g., TypeScript, Rust, Go, Swift) Leadership skills, initiative, and good judgement Ability to work both as a team member and independently Preferred Industry experience: Federal Government, Insurance, Banking Minimum Education and Experience: Bachelor's degree (or equivalent) with 5+ years of Mainframe Developer experience.

  • If selected to interview, your camera must be turned on for all video interviews, and a valid photo id must be presented during each interview.

** During the hiring process we conduct Enhanced Biometrics ID Verification screening and a Background Check.Benefits Company Subsidized Insurance (Health, Dental, Vision) 401(k) Paid Time Off (PTO) Bonus Programs Salary Range $80,000 - $86,000 annually In accordance with applicable pay transparency laws, the salary range listed above represents the good-faith compensation range we reasonably expect to offer for this position at the time of posting. Actual starting salary will be determined based on a variety of factors, including but not limited to relevant experience, skills, qualifications, education, geographic location, and internal compensation considerations. In addition to base salary, employee may be eligible for additional compensation and benefits, which will be discussed during the hiring process. We are committed to providing competitive compensation that reflects the value and contributions of each team member.

More open positions

SDR- Benelux Market

Work from home Full-time role

Research Operations Manager (Contract – 3 Months)

Work from home Full-time role

Regional VP, Strategic New Logo

Work from home Full-time role

Medical Scribe (Hybrid/remote AZ Residents Only)

Work from home Full-time role

Lead Collections Specialist

Work from home Full-time role

Healthcare Statistician (Full-time, Remote)

Work from home Full-time role

entry level machine learning engineer-remote/Data Scientist/Engineer - Junior (Remote)

Work from home Full-time role

Front-End Web Developer

Work from home Full-time role

Regulatory Medical Writer (Contract) Contract, Remote See Job Details

Work from home Full-time role

[Remote] Content Management Consultant

Work from home Full-time role

Marketing Coordinator II

Work from home Full-time role

Dynamic Part-Time Live Chat Support Specialist – Customer Experience Champion for Remote careerzynith Team

Work from home Full-time role

Remote Data Entry & Customer Care Associate – Full‑Time Position with careerzynith’s Innovative Entertainment Services

Work from home Full-time role

Bilingual - RN (Registered Nurse) - Remote| $35.50/hour | Starts 7/13/2026

Work from home Full-time role

[Remote] Couchbase Administrator

Work from home Full-time role

Remote Customer Service Representative – Member Experience & Support Specialist for careerzynith Health Benefits

Work from home Full-time role

Customer Success Associate (Night Shift)

Work from home Full-time role

Solutions Architect, NPN

Work from home Full-time role

Division Controller

Work from home Full-time role

Remote App Reviewer - Product Tester (WFH / No Experience)

Work from home Full-time role

High-Earning Career Path - Springfield Recruiting Event (June 11)

Work from home Full-time role