Lead COBOL Developer - Mainframe Systems Architect

Data Intelligence LLC; Missouri; On-site; USD 100,000 - 130,000; Full time

Job summary

Data Intelligence LLC is seeking a Lead COBOL Developer in St. Louis, Missouri, to drive the development and modernization of critical applications on IBM z/OS mainframes. Candidates should have significant COBOL experience, leadership skills, and familiarity with mainframe technologies. This role is crucial for ensuring project success through strong technical guidance and team collaboration.

Benefits

Medical, dental and vision insurance

401k

Paid time off

11 paid holidays

Qualifications

• 7+ years of COBOL development experience.
• Expertise in CICS, DB2, JCL, and IDMS.
• Familiarity with VA Java OS/390 V2 Compiler.

Responsibilities

• Lead the design and optimization of COBOL applications.
• Provide mentorship to COBOL developers.
• Drive performance tuning and system integration.

Skills

Leadership

Analytical Skills

Communication

Project Management

Tools

CA ENDEVOR

Easytrieve

WebFOCUS

Job description

Data Intelligence, LLC (DI) is searching for a Lead COBOL Developer in St. Louis, Missouri. The Lead COBOL Developer will oversee the development, maintenance, and modernization of mission-critical applications on IBM z/OS mainframe systems. This role requires deep technical expertise in COBOL and mainframe technologies, as well as leadership capabilities to guide a team of developers and collaborate with cross-functional stakeholders. Familiarity with a broad suite of mainframe software and exposure to the VA Java OS/390 V2 Compiler is essential.
**This position is contingent upon award of contract **

Responsibilities:

• Lead the design, development, and optimization of COBOL-based applications across a complex mainframe environment.
• Provide technical leadership and mentorship to a team of COBOL and mainframe developers.
• Architect solutions using Enterprise COBOL V6, VS COBOL II, and IBM Debug for z Systems.
• Oversee source code management and deployment using CA ENDEVOR and related tools.
• Ensure seamless integration with DB2, CICS, IDMS, and other core systems.
• Guide the use of reporting and data tools such as Easytrieve, SAS/AF, and WebFOCUS.
• Collaborate with infrastructure and security teams to manage tools like Connect:Direct, Smartcrypt, and Hourglass.
• Lead modernization efforts involving VA Java OS/390 V2 Compiler and hybrid Java-mainframe applications.
• Drive performance tuning, system integration, and troubleshooting initiatives.
• Maintain documentation, enforce coding standards, and ensure compliance with federal IT policies.

Required Skills/Experience:

• 7+ years of COBOL development experience on IBM z/OS platforms.
• Proven leadership in managing mainframe development teams or large-scale projects.
• Expertise in CICS, DB2, JCL, and IDMS.
• Hands-on experience with CA ENDEVOR, Easytrieve, and WebFOCUS.
• Familiarity with VA Java OS/390 V2 Compiler and Java integration in mainframe environments.
• Strong analytical, communication, and project management skills.

Preferred Experience:

• Experience with WebSphere, MailStream Plus, and Pitney Bowes tools.
• Knowledge of PSF, GDDM, XL C/C++, and batch-to-CICS integration.
• Background in federal or public sector IT environments, especially USDA systems.

Data Intelligence, DI is an established small business that has supported the critical missions of our government clients since 2005. We provide full life cycle system development, systems engineering, cybersecurity, and supporting analytical and logistics support to C4ISR and other complex systems. We are an equal opportunity employer that offers competitive salaries, comprehensive benefits, a team-oriented environment, and opportunities for advancement. Our excellent employee retention record reflects our employee focus. We work with Veteran’s organization to proactively hire those who have served our country. We offer medical, dental and vision insurance, 401k, PTO and 11 paid holidays.

Data Intelligence is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, age, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.