Cognizant

Sr. Mainframe Developer

Cognizant
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19 days ago
Hartford, CT, USASenior

Base Salary

$60k - $90k/yr

Responsibilities

  • Develop scalable, efficient, and compliant technical solutions for enterprise Claims applications.
  • Design, develop, test, debug, maintain, and optimize mainframe applications using COBOL, JCL, DB2, VSAM, CICS, and MQ.
  • Collaborate with business analysts, QA teams, project managers, support teams, business stakeholders, and offshore development teams.
  • Provide technical leadership and mentoring to offshore team members and coordinate onsite-offshore activities.
  • Troubleshoot production issues, resolve technical problems, and support application performance optimization.
  • Conduct code reviews and ensure compliance with coding standards and best practices.
  • Support SIT, UAT, production deployments, post-deployment validation, backout procedures, and post-implementation activities.

Requirements

  • 7+ years of strong experience with mainframe technologies.
  • Strong experience with COBOL, JCL, DB2, VSAM, CICS, and MQ.
  • Experience with Healthcare Claims Adjudication processes and related business workflows.
  • Experience with code migration, release management, package creation, and code promotion across Development, Test, QA, and Production environments.
  • Knowledge of post-deployment validation and backout procedures.
  • Strong analytical, troubleshooting, problem-solving, communication, and interpersonal skills.
  • Experience working in Agile development environments.
  • Ability to work independently and contribute effectively within a team.
  • Must be legally authorized to work in the United States without current or future employer sponsorship.

Benefits

  • Medical, dental, vision, and life insurance.
  • Paid holidays and paid time off.
  • 401(k) plan and contributions.
  • Long-term and short-term disability coverage.
  • Paid parental leave.
  • Employee Stock Purchase Plan.
  • Some roles may require in-person interviews at Cognizant offices or client locations depending on project or client needs.
  • Applications are accepted until August 20, 2026, though the posting may close earlier if enough qualified candidates apply.

Tech Stack

COBOLIBM DB2

Categories

Cognizant

About Cognizant

10,000+ employees

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value. We build full-stack AI solutions powered by deep industry, process and engineering expertise — embedding an organization's unique context into technology systems that amplify human potential and drive tangible outcomes. From strategy to deployment, we help global enterprises move from AI ambition to AI impact and stay ahead in a fast-changing world. See how at cognizant.ai | Follow us @cognizant

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