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Freelance Mainframe Software Engineer Jobs (NOW HIRING)

Hired By Matrix

Mainframe Engineer

Livingston, NJ · On-site

$53.50 - $68.75/hr

This position is a critical member of the Mainframe Engineering team. The primary function is ... Initiate z/OS environmental set-up to support all Mainframe software products. * Provide technical ...

Hired By Matrix

Mainframe Engineer

Livingston, NJ · On-site

$53.50 - $68.75/hr

Company Description This position is a critical member of the Mainframe Engineering team. The ... Initiate z/OS environmental set-up to support all Mainframe software products. * Provide technical ...

BMC Software

Mainframe Product Manager

Manhattan, NY · On-site +1

$111K - $185K/yr

Strong understanding of modern software development practices, SDLC, and DevOps. Experience with AI-augmented developer tools and mainframe workflows. Proficiency in Agile methodologies and product ...

NAVA Software Solutions

Mainframe Engineer

Somerset, NJ · On-site

$49.25 - $63.25/hr

NAVA Software solutions is looking for a Mainframe Engineer Details: Mainframe Engineer Location: Somerset, NJ - Remote to start Duration: 6 months CTH What You Will Do: * Legacy application ...

Broadcom

R&D Software Engineer

San Jose, CA

$91K - $146K/yr

Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high quality applications using agile practices to join our ...

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How much do freelance mainframe software engineer jobs pay per hour?

As of Jun 5, 2026, the average hourly pay for freelance mainframe software engineer in the United States is $53.38, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $60.58 per hour, depending on experience, location, and employer.
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Freelance Mainframe Software Engineer jobs near you
Mainframe Application Engineer, Senior with Security Clearance

Mainframe Application Engineer, Senior with Security Clearance

Imagine One Technology & Management Ltd

Charleston, SC • On-site

Other

Medical, Dental, Vision, Retirement

Posted 9 days ago

Job description

Imagine One Technology & Management, Ltd. is seeking a Senior Mainframe Application Engineer, contingent upon award of the associated work. This position will be based in Charleston, SC. The Senior Mainframe Application Engineer is responsible for analyzing, planning, designing, and documenting changes to mainframe software applications written in Software AG Natural and ADABAS that execute in batch or online CICS environments within a z/OS-based environment. The engineer formulates or updates Business Information System (BIS) architectures and assists mainframe software developers with the implementation and testing of architectures supporting the Standard Accounting, Budgeting, and Reporting System (SABRS). Key Responsibilities: * Analyze, design, and document updates to Natural/ADABAS-based mainframe applications.
* Implement changes within batch and CICS environments in a z/OS mainframe environment.
* Translate DoD accounting, budgeting, and reporting business rule logic into secure system designs and code.
* Support Programming Production Trouble Reports (PTRs) and sustainment changes.
* Perform unit testing and participate in peer reviews.
* Develop and update system architecture documentation and logical design views.
* Support operational test activities and document discrepancies via Jira.
* Provide engineering support aligned with MCAAP or other Risk Management Framework implementations.
* Assist sustainment teams with implementation and test of architectural changes.
Desired Experience: * 6+ years engineering enterprise-scale mainframe software applications.
* 6+ years implementing and updating DoD accounting, budgeting, and reporting business rule logic.
* 4+ years engineering systems within MCAAP or other Risk Management Framework implementations.
* Experience developing operational and system-level architecture views.
* Experience supporting Software AG Natural and ADABASE applications executing in batch or online CICS environments within z/OS.
Minimum Certifications: * IAT Level II baseline certification required.
Security Requirements: * U.S. Citizen.
* Active Secret clearance required. Imagine One offers a full package of benefits and competitive salary, excellent group medical, vision, and dental programs. 401K savings plan; $4K annual tuition reimbursement ($5K if pursuing master's degree); employee training, development, and education programs; profit sharing; advancement opportunities; and much more! ISO 9001:2015, ISO 20000-1:2018, ISO 27001:2022 CMMI Development and Services - Maturity Level 3 CMMC Level 2 (C3PAO) An Employee-Owned Business EEO/Vets/Disabled

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