✦ Luna Orbit — IT Support & Helpdesk

Senior Software Developer (IBM ALC / Mainframe)

at Arthur Grand

📍 Remote, US Remote Posted March 08, 2026
Type Contract
Experience senior
Exp. Years 8+ years
Education Bachelor’s degree (or 4 years related experience)
Category IT Support & Helpdesk

This role involves supporting IBM mainframe systems, primarily focusing on ALC coding, defect resolution, and production support within a z/OS environment.

  • Perform ALC coding
  • Support BMF systems
  • Resolve defects
  • Maintain mainframe systems
  • Provide production support

The technical environment includes IBM ALC (Assembler), z/OS, JCL, DB2, and mainframe utilities, with responsibilities in defect resolution and system support.

The ideal candidate is a senior mainframe developer with over 8 years of experience in IBM ALC (Assembler), z/OS, and support for BMF systems. They should possess strong problem-solving skills, excellent communication, and experience in defect resolution and production support.

IBM ALC (Assembler) programmingz/OSJCLDB2IBM utilitiesSupport BMF systems
Client systems experienceSQL knowledgeFederal experienceJava maintenance
ServiceNowRTCJIRAz/OSDB2
IBM ALCAssemblerz/OSJCLBatch ProcessingDB2IBM UtilitiesMainframeProduction SupportDefect ResolutionJava
IBM ALCAssemblerz/OSJCLBatch ProcessingDB2IBM UtilitiesMainframeProduction SupportDefect ResolutionJava (basic support)
CommunicationTeam CollaborationProblem SolvingSupport SkillsDocumentation
Industry Information Technology, Mainframe, Banking
Job Function Mainframe support and development for IBM ALC systems
IBM ALCAssemblerz/OSJCLBatch ProcessingDB2IBM UtilitiesMainframeProduction SupportDefect ResolutionJavaSupportSupport SystemsSupport Skills

Lack of IBM ALC or mainframe experience, No z/OS or JCL knowledge, Inability to work remotely, Less than 8 years experience

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