Logo for ARK Solutions, Inc.

Mainframe z/OS Developer :: Washington, DC (Remote)

ARK Solutions, Inc.

Role overview

Qualifications

  • 5 years of hands-on experience with COBOL programming on IBM z/OS.
  • Proficiency in JCL, VSAM, DB2, IMS, and CICS.
  • Experience in mainframe migration projects or modernization initiatives is preferred.
  • Familiarity with mainframe communication tools such as CICS.

Responsibilities

  • Developing, maintaining, troubleshooting, and enhancing mission-critical mainframe applications.
  • Collaborating with cross-functional teams to support modernization and integration efforts.
  • Supporting enterprise mainframe applications and participating in modernization initiatives.

About the company

ARK Solutions, Inc. logo

ARK Solutions, Inc.

Human Resources, Staffing & Recruiting

WE'RE A COMPANY THAT CARES FOR OTHERS BEYOND STAFFING OUR CULTURE SHAPES EVERYTHING WE DO. Our people, clients, and consultants matter to us more than anything. We are driven by a culture of purpose, shared values, and growth. OUR CLIENTS ARE OUR DRIVING FORCE Whether it’s finding the right candidate for a job or seamlessly managing a project end to end, our conviction and commitment to our clients runs deep. No matter what it takes, we’re devoted towards the success of your business. OUR PEOPLE ARE OUR FAMILY Our team members are our family. We’re here for you and we won’t stop until you’re exactly where you want to be. We believe in your potential and we are devoted to helping you achieve your ambition. IT’S ALL ABOUT YOU Your business is our business. We believe in making our relationship and understanding strong, and we know just how to do that. Our mantra is: analyze, identify, recruit, execute. Our mission is to create relationships, not transactions. Our promise is that we'll be there, as questions or issues arise, every step of the way. With experience in staffing and implementing projects, we thrive on sharing our experience and knowledge to help you make a success of your business. Our track record proves that clear communication and expert collaboration will boost your bottom line. ARK was formed in 2003 with the goal of becoming the supplier of choice for clients, employer of choice for our employees and contingent workforce. We provide high-volume staffing, SOW and payrolling services to structured contingent workforce programs and projects across USA. With our deep industry knowledge, business process expertise, comprehensive resources and a proven track record, ARK Solutions, Inc. can mobilize the right talent across various skills. ARK Solutions, Inc. is a certified Minority Women Owned Firm by NMSDC, State of VA, PA, NY and MD.

Company details

Company typeSME
IndustryHuman Resources, Staffing & Recruiting
Company size201 - 500

Links

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Job description

Mainframe z/OS Developer - Washington, DC (Remote)

Duration: 4+ months

Seeking for an experienced Mainframe z/OS Developer will have strong expertise in IBM z/OS, COBOL, JCL, CICS, DB2, and VSAM, with experience supporting enterprise mainframe applications and participating in modernization initiatives. This role involves developing, maintaining, troubleshooting, and enhancing mission-critical mainframe applications while collaborating with cross-functional teams to support modernization and integration efforts.

Required Skills:

  • 5 years of hands-on experience with COBOL programming on IBM z/OS.
  • Proficiency in JCL, VSAM, DB2, IMS, and CICS.
  • Experience in mainframe migration projects or modernization initiatives is preferred.
  • Familiarity with mainframe communication tools such as CICS and mainframe security protocols, including RACF.

Technical Skills:

  • Must be proficient in JCL, COBOL, VSAM, and CICS.
  • Strong knowledge of batch processing and online transaction processing.
  • Must have experience with IBM utilities, TSO/ISPF, and Abend-AID.
  • Experience with Control-D, Control-M, File-AID.
  • Knowledge of best practices in mainframe migration planning, including risk assessment and resource management.
  • Familiarity with AI/ML tools (CoPilot, WatsonX, ReDux, others) for code analysis, pattern recognition, or modernization support.
  • Understanding of AI-driven code refactoring platforms/products and the ability to leverage AI to improve testing, documentation, and process optimization.
  • Strong analytical and problem-solving abilities.
  • Effective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning.
  • Ability to work independently and in a team environment with a focus on quality and attention to detail.

Preferred Skills:

  • Experience with DevOps practices on mainframes, including tools like Jenkins and Git.
  • Prior experience with performance tuning on mainframe systems.
  • Prior experience with ServiceNow.

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Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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