✦ Luna Orbit — Software Engineering

COBOL / Java / Spring Batch Developer - Active DoD Secret Clearance

at Nelson Enterprise Technology Services

📍 Remote, US Remote 💰 $95 – $110 USD / year Posted March 12, 2026
Salary $95 – $110 USD / year
Type Full-Time
Experience mid
Exp. Years 10+ years
Education Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field
Category Software Engineering

This role involves modernizing legacy COBOL applications into Java/Spring Batch architectures for defense systems, supporting large-scale mainframe environments.

  • Maintain and support COBOL applications
  • Translate legacy COBOL into Java/Spring Batch
  • Troubleshoot mainframe issues
  • Collaborate with analysts and testers
  • Ensure compliance with security standards

The technical environment includes COBOL, Java, Spring Batch, mainframe technologies like Z/OS, JCL, VSAM, IDMS, and DB2, focusing on legacy modernization and batch processing.

The ideal candidate is an experienced software developer with at least 10 years of expertise in COBOL, Java, and Spring Batch, with strong knowledge of mainframe environments and legacy modernization.

COBOLJavaSpring BatchMainframeZ/OS JCL
VSAMIDMSDB2JCLCICS
MainframeZ/OSJCL
COBOLJavaSpring BatchMainframeZ/OS JCLVSAMIDMSDB2JCLCICSLegacy Modernization
COBOLJavaSpring BatchMainframeZ/OS JCLVSAMIDMSDB2JCLCICSLegacy ModernizationMainframe TechnologiesBatch ProcessingSystem AnalysisApplication Conversion
analytical thinkingproblem-solvingcollaborationattention to detailadaptability

Required

Active DoD Secret Clearance

Preferred

Top Secret
Industry Defense
Job Function Modernizes and supports legacy mainframe applications using Java and Spring Batch for defense systems.
Clearance Required Active DoD Secret Clearance
COBOLJavaSpring BatchMainframeZ/OS JCLVSAMIDMSDB2JCLCICSLegacy ModernizationMainframe TechnologiesBatch ProcessingSystem AnalysisApplication Conversion

Less than 10 years of experience with COBOL, Java, and Spring Batch, No active DoD Secret Clearance, Lack of experience with mainframe technologies, Inability to work remotely

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