Cobol Developer Jobs
Cobol Developer jobs are open across banking, insurance, government agencies, and healthcare, from junior programmer to senior architect and team lead, with specializations in batch processing, mainframe systems, and legacy modernization. Find a role that fits from the openings below and apply directly.
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About Peraton
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we’re keeping people around the world safe and secure.
About The Role
The Peraton Health, State and Local Sector is seeking COBOL Software Developer, Advisor to join us in supporting and maintaining the Medicare Fee For Service claims processing system. In this role, you will serve as a principal technical contributor on an Agile team providing maintenance and operations support for the Medicare Durable Medical Equipment (DME) contract.
As a COBOL Software Development, Advisor, you will help plan, direct, and coordinate software development across multiple functional areas of the DME system. This role will operate in a highly structured, rigorous development environment, spanning high-level technical design, hands-on coding, unit testing, and defect resolution. At this level, the candidate is expected to exercise a high degree of independent judgement, serve as a technical authority within the team, and provide leadership and mentorship to developers at all levels.
The Advisor will design, develop, and enhance core software programs while adhering to strict coding standards. Quality is vital to this mission, this role must build and execute your own unit test plans, test cases, and test data. Additionally, the Advisor role is responsible for installing changes into internal testing regions, troubleshooting and resolving defects, and keeping technical documentation current.
What you'll do:
- Designs, codes, unit tests, and debugs complex enhancements and fixes to the Medicare health claims processing system while adhering to strict coding standards.
- Leads technical design sessions and drives implementation of complex software components.
- Applies deep technical expertise to deliver reliable, high-quality maintenance and development solutions.
- Integrate technical knowledge and business understanding to implement end-user and enterprise solutions of high complexity with minimal direction.
- Serves as a principal technical contributor on a persistent Agile development team supporting maintenance and operations.
- Demonstrates advanced, practical mastery of mainframe development concepts, practices, and engineering techniques.
- Consult with team members, cross-functional organizations, clients, and vendors to resolve complex technical issues.
- Serves as a mentor and technical resource to developers, actively supporting team growth and knowledge transfer.
- Represents the team during client-facing technical discussions, communicating complex issues clearly and effectively.
- Provide reliable time and resources estimates for your assigned tasks and projects to ensure sprint predictability.
- Troubleshoot problems independently and deliver effective, well-reasoned solutions.
- Contributes to the strategic technical direction of the development team and assists in developing solutions to complex business and technology problems.
Qualifications
What you'll need:
- Education & Experience: BS/BA degree with 8+ years of relevant experience; or Master's degree with 6 years of relevant experience; or HS diploma with 12 years of relevant experience.
- Mainframe development experience in production or maintenance environment.
- Advanced proficiency with mainframe technologies such as COBOL, JCL, CICS, TSO and VSAM.
- Knowledge of health care claims processing, particularly Medicare Fee For Service.
- Ability to perform well in a highly rigorous, structured development environment.
- Demonstrated experience as a senior or principal software developer in a mainframe environment.
- Demonstrated ability to determine and decompose business and technical requirements.
- Application lifecycle methodology experience, specifically Agile/SCRUM.
- Strong communication skills and technical writing ability, including client-facing communication.
- Ability to develop application project solutions and provide accurate estimates.
- Experience with Medicare Part A, Medicare Part B, DME or Medicare Common Working File (CWF) specific processing systems.
- Experience working with or in support of CMS programs or contracts.
- Experience with DevOps/DevSecOps tools and frameworks through plan, define, build, test, release and deploy processes.
- SAFe experience and/or certification.
- Must be able to achieve and maintain a Public Trust clearance.
Preferred Qualifications:
- Experience with Assembler language in a mainframe environment.
- Familiarity with development and collaboration tools: GitHub, Jira, Confluence, Eclipse (IDz/RDz).
- Exposure to modern languages such as Java or Python.
Details
Target Salary Range: $112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
Cobol Developer Jobs by Experience Level
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Find Cobol Developer JobsCobol Developer Job Market
Who's Hiring



Top Industries Hiring
- Technology & Software
What Employers Look For
The qualifications that appear most often in cobol developer jobs.
- 5+ years of experience writing and maintaining Cobol programs in a production mainframe environment
- Proficiency with JCL, VSAM file structures, and IBM z/OS operating systems
- Experience with DB2, IMS, or CICS for database access and transaction processing
- Ability to read, debug, and refactor existing Cobol code with minimal documentation
- Familiarity with SDLC processes, change management procedures, and production support protocols
- Bachelor's degree in computer science, information systems, or a related technical field
Tips for Your Cobol Developer Job Search
Quantify your mainframe throughput on your resume
Cobol resumes live or die on specifics. List the batch job volumes you handled, the file sizes you processed, and the systems you supported. Hiring managers in banking and insurance scan for JCL, VSAM, and DB2 experience in the first pass.
Target industries still running mainframe infrastructure
Banking, federal agencies, and large insurance carriers are where most cobol developer openings cluster. Filter your search by industry first, then seniority. Applying to cloud-native startups listing cobol as a bonus skill rarely leads anywhere.
Apply early to roles that fit
Migrate Mate lists cobol developer openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Translate legacy modernization work into interview stories
Employers running migration projects want proof you can bridge old and new. Prepare two or three examples of cobol code you refactored, wrapped in APIs, or connected to modern middleware. Concrete before-and-after examples outperform general claims about modernization experience.
Ask targeted questions about the codebase age
During interviews, ask how old the core codebase is, what the test coverage looks like, and whether the team uses a copybook library. Your answers tell you what day one actually looks like, and your questions signal real mainframe fluency to the interviewer.
Negotiate around on-call and batch window obligations
Batch jobs often run overnight or on weekends, and on-call rotations for production support are common. Clarify the schedule and rotation frequency before accepting an offer. Factor that into your total compensation comparison, not just the base salary.
Cobol Developer Jobs: Frequently Asked Questions
Which companies are hiring the most cobol developers?
The companies hiring the most cobol developers right now include Peraton, NTT DATA, and The Amatriot, with the largest share of openings in New York, Ohio, and Virginia, based on current listings on Migrate Mate as of September 2026. Banking, insurance, and federal agencies consistently account for the bulk of active postings in this role.
How many cobol developer jobs are remote?
About 58% of cobol developer openings are fully remote or hybrid as of September 2026, which is lower than in many software roles because mainframe access often requires a secure network environment. Roles focused on legacy modernization, testing, or documentation tend to offer the most location flexibility compared to production support positions.
How do you become a cobol developer?
Start by learning Cobol syntax through IBM's free training materials or community college courses that cover mainframe fundamentals. Build hands-on experience by setting up a free IBM Z Xplore account, which gives you access to a real z/OS environment. Then focus on JCL and VSAM, since most job listings require both alongside core Cobol. Entry-level roles often come through government contractors and regional banks that still run legacy systems and actively train new programmers.
Can you get hired as a cobol developer with little experience?
Yes, entry-level cobol developer roles exist, particularly at government contractors, mid-size insurance carriers, and banks that have structured training programs for mainframe work. Employers care more about demonstrated familiarity with JCL and batch processing concepts than years on a resume. Building a small portfolio of Cobol programs, even academic ones, and completing IBM's free Z learning paths signals genuine commitment in a field where motivated juniors are scarce.
What does the cobol developer interview process look like?
Most cobol developer interviews include a phone screen focused on your mainframe background, followed by a technical round where you read or debug a short Cobol program and explain your logic out loud. Interviewers frequently ask how you handle abend codes, how you trace a batch job failure through JCL, and how you approach working with undocumented legacy code. A final round with a hiring manager typically covers team fit, production support expectations, and project timelines.
Where can I find and apply to cobol developer jobs?
You can find and apply to cobol developer jobs on Migrate Mate, which lists current openings from employers across the United States. Search for roles that match your mainframe background and experience level, then apply directly to each listing. Openings update regularly, so checking back often gives you the best shot at catching newly posted positions before the applicant pool grows.
See All 16 Cobol Developer Jobs
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