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Koniag Government Services

COBOL Developer

Koniag Government Services

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

Posted 10/17/2026part-timeRemote • United StatesSeniorLeadWebsite

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
  • 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 the 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
  • CompTIA Security+ Certification (current)
  • 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