COBOL Developer

Koniag Government Services

. Maintain, enhance, and support business applications written in COBOL .

Posted 9/22/2026part-timeRemote • United StatesSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in COBOL programming, JCL, and mainframe technologies, with a strong focus on technical documentation, compliance with STIG requirements, and effective troubleshooting of production issues. Proficient in supporting business applications and participating in system releases while ensuring adherence to security protocols.

Highest-signal resume keywords

COBOL ProgrammingIBM MVS JCLCompTIA Security+ CertificationSTIG ComplianceMainframe Debugging Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

COBOLJCLVSAMDB2CICSBatch ProcessingOnline Transaction ProcessingTechnical DocumentationDatabase MonitoringTroubleshooting

Soft Skills

Problem-SolvingCommunicationTime ManagementTeam Collaboration

Tools & Technologies

DISA Multi-host Internet Access Portal (MIAP)Reflection ZFEHelp Desk Ticketing SystemsFTPSFTP

Certifications & Qualifications

Active Secret ClearanceCompTIA Security+ Certification

Industry Keywords

Mainframe ArchitectureZ/OSMVSTechnical SupportChange RequestsDeficiency ReportsCode ReviewsScrum Ceremonies

About the role

Key responsibilities & impact

Maintain, enhance, and support business applications written in COBOL
Write and modify COBOL, COBOL Language Extender (COBOL LE), and IBM MVS JCL code
Use DISA Multi-host Internet Access Portal (MIAP) and Reflection ZFE for 3270 terminal emulation
Troubleshoot and fix production issues under guidance of senior team members
Create and maintain technical documentation, including application operating and installation instructions, interface diagrams, product design documentation, and Interface Control Documents for CDRS
Perform code testing and participate in code reviews
Support FTP and SFTP transmission operations
Implement Help Desk resolutions for Level II and III tickets
Apply STIGs to applications as directed to ensure compliance
Monitor database load and interface applications
Provide technical support for maintenance of data and related software modules
Work with Change Requests and Deficiency Reports in ISMT
Support system releases, including documentation preparation
Participate in team meetings and scrum ceremonies
Create test cases and assist with test reports and summaries
Perform other duties as assigned by leadership team

Requirements

What you’ll need

Active Secret Clearance
Bachelor's degree in Computer Science, Information Systems, or related field (or equivalent work experience)
8+ years of experience in COBOL programming
4+ years of experience with JCL, VSAM, DB2, and CICS
Experience with mainframe debugging tools and utilities
Experience with DISA mainframe environments, preferred
Current CompTIA Security+ Certification
Working knowledge of COBOL, IBM MVS JCL, and related mainframe technologies
Familiarity with mainframe terminal emulation tools
Understanding of mainframe architecture and operating systems (z/OS, MVS)
Experience with batch processing and online transaction processing
Ability to analyze and resolve technical issues with guidance
Knowledge of STIG compliance requirements
Experience with FTP and SFTP protocols
Familiarity with Help Desk ticketing systems
Ability to create and maintain technical documentation
Basic experience with database monitoring and data extraction
Knowledge of software development methodologies
Good debugging and problem-solving skills
Ability to work as part of a team
Good communication skills, both written and verbal
Time management skills with ability to meet deadlines

Benefits

Comp & perks

Medical, dental, and vision insurance
401(k) retirement plan
Paid time off
Paid parental leave
Life and disability insurance
Flexible spending accounts
Commuter benefits
Tuition reimbursement