Entry Level Mainframe Assembler Programmer Jobs (NOW HIRING)

Position Title: COBOL Programmer
Location: Remote
Employment Type: Full-Time, Exempt
Salary Range: $86,000 - $97,000
Citizenship Requirement: U.S. Citizenship required

Corinth is seeking an experienced COBOL Programmer to support our Department of Defense (DoD) client.

• Must be US Citizen.
• Must currently hold, or have held within the past 2 years, an active DoD Common Access Card (CAC); equivalent PIV credentials from other federal agencies are accepted provided they are backed by a final, favorably adjudicated Tier 3 (or higher) investigation.
• Must meet DoD 8570 IAT Level II certification requirements (CCNA-Security, GSEC, Security+ CE, SSCP, CASP CE, CISA, CISSP (or Associate), GCED, GCIH).
• Associate degree or higher.
• 10+ years experience working with COBOL programs integrated into enterprise systems.
• Proficiency in ISPF and CICS for mainframe programming and application support.
• Strong working knowledge of JCL, Flat-Files, CopyLibs, and database updates, including hierarchical (SUPRA) and modern database models.
• Experience maintaining and enhancing applications using COBOL, MANTIS, JCL, and Assembler programming languages.
• Familiarity with mainframe utilities and applications such as File Master, Test-rite, and SAR.
• Demonstrated ability to collaborate effectively with technical teams throughout the development cycle.
• Experience providing Software Development Life Cycle (SDLC) support for sustainment projects, including development, testing, and maintenance of improvements.
• Proven ability to compile accurate technical documentation and reports to support maintenance, audits, and user reference.
• Hands‑on experience with System Integration Testing (SIT) and System Acceptance Testing (SAT), including resolving Test Discrepancy Reports (TDRs).
• Strong problem‑solving and communication skills, with the ability to work in a multi‑disciplinary team environment.

• Collaborate with technical and functional analysts and end users to understand emerging business opportunities and troubleshoot incidents, ensuring effective IT application solutions.
• Maintain and enhance system and application functionality using COBOL, MANTIS, JCL, and Assembler programming languages.
• Develop, test, and implement mainframe applications leveraging ISPF, CICS, JCL, Flat-Files, CopyLibs, and both hierarchical (SUPRA) and modern database models.
• Apply mainframe utility tools to support analysis, testing, and reporting activities.
• Participate in requirements analysis, design, development, and testing activities with other technical teams.
• Compile and maintain comprehensive documentation, reports, and artifacts for changes, testing, and audits.
• Work with experienced team members to perform root cause analysis and participate in peer code reviews.

• Delivering quality software products that meet cost, schedule, and performance requirements in alignment with project milestones.
• Effectively resolving incidents and defects, ensuring system stability and reliability for users.
• Demonstrating proficiency in COBOL, JCL, CICS, SUPRA, and related mainframe tools to sustain legacy systems while supporting modern integration.
• Producing thorough, accurate, and timely documentation that enables efficient maintenance and audit readiness.
• Actively collaborating with teammates and stakeholders to ensure requirements are met and solutions are effective.
• Successfully closing out TDRs and contributing to smooth SIT and SAT test cycles.
• Supporting the client’s mission by ensuring applications remain secure, compliant, and operational for contract administration and entitlement processing.

• Support high-impact federal missions where your expertise directly affects outcomes
• Work autonomously as a trusted expert
• Collaborate with mission-focused professionals in a dynamic environment

Corinth offers a comprehensive benefits package to support employees’ health, wellbeing, and financial security. Benefits for eligible employees include multiple medical plan options, dental and vision coverage, health savings and flexible spending accounts, employer-sponsored life and disability insurance, and access to wellness and health advocacy resources. Employees are also eligible to participate in a 401(k) retirement savings plan with company match and immediate vesting. Paid time off benefits include paid holidays, paid time off (PTO), sick leave, paid volunteer time, parental leave, and other leave programs. All employees have access to an Employee Assistance Program (EAP) offering confidential counseling and support services. Professional development and training opportunities are also provided.

Corinth is an Equal Opportunity Employer.
We are committed to a workplace free from discrimination and harassment in accordance with all applicable laws.