Cognizant

Senior Mainframe Engineer (COBOL, DB2, CICS)

Cognizant$80K — $91K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of hands-on experience with COBOL, DB2, VSAM, JCL, and CICS in enterprise Mainframe settings.
  • Familiarity with z/OS technologies such as SAS, Easytrieve, and z/OS Connect.
  • Proven experience in incident management and production application support.
  • Strong analytical skills to troubleshoot and resolve complex legacy systems.
  • Excellent verbal and written communication skills to liaise effectively with technical and business teams.

Responsibilities

  • Design, develop, and maintain Mainframe applications using relevant technologies.
  • Investigate and analyze production incidents to provide sustainable solutions.
  • Collaborate with business analysts and technical teams to deliver enhancements and support.
  • Engage in technical design, code reviews, and ensure implementation quality.
  • Identify and pursue improvements in application performance and operational stability.

Benefits

  • Medical/Dental/Vision/Life Insurance.
  • Paid holidays and Paid Time Off.
  • 401(k) plan with contributions.
  • Long-term and Short-term Disability coverage.
  • Paid Parental Leave.
  • Employee Stock Purchase Plan.
Full Job Description
About the role

We are seeking an experienced Senior Mainframe Engineer (COBOL, DB2, CICS) to support, enhance, and maintain critical enterprise applications within a complex Mainframe environment. In this role, you will leverage your expertise across core z/OS technologies to deliver reliable, secure, and high-performing solutions. You will collaborate with business and technical teams to resolve production issues, implement enhancements, and drive continuous improvement across key applications

In this role, you will:
  • Design, develop, maintain, and support Mainframe applications using COBOL, DB2, VSAM, JCL, CICS, SAS, Easytrieve, and z/OS Connect.
  • Investigate production incidents, perform root cause analysis, and implement sustainable solutions to complex application issues.
  • Partner with business analysts, application teams, and infrastructure teams to deliver enhancements, technical solutions, and production support.
  • Participate in technical design, code reviews, testing, implementation, deployment, and ongoing application maintenance activities.
  • Identify opportunities to improve application performance, automation, reliability, and operational stability while ensuring compliance with enterprise standards.

Work model: Hybrid

We strive to provide flexibility wherever possible. Based on this role's business requirements, this is a Hybrid position. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered:
  • Strong hands-on experience with COBOL, DB2, VSAM, JCL, and CICS in enterprise Mainframe environments.
  • Working knowledge of SAS, Easytrieve, z/OS Connect, and related z/OS technologies.
  • Experience supporting production applications, including incident management, troubleshooting, problem resolution, and application support.
  • Strong analytical and problem-solving skills with the ability to understand and support complex legacy systems.
  • Excellent communication and collaboration skills with the ability to work effectively across technical and business teams.

These will help you stand out:
  • Experience supporting insurance, financial services, or other high-volume transaction processing environments.
  • Knowledge of CAPSIL and/or Ingenium platforms.
  • Experience driving application modernization, process automation, or performance improvement initiatives.
  • Experience participating in on-call support for business-critical applications.
  • Experience collaborating with distributed onshore and offshore teams in a hybrid work environment.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Important Disclaimers:

Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.

Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future

Salary and compensation:

The annual salary for this position will be between $80,000 to 91,000 per year depending on the experience and other qualifications of the successful candidate. This position is also eligible for Cognizant's discretionary annual incentive program and stock awards, based on performance and subject to the terms of Cognizant's applicable plans.

Applications will be received by October 10th, 2026.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• Medical/Dental/Vision/Life Insurance.
• Paid holidays plus Paid Time Off.
• 401(k) plan and contributions.
• Long-term/Short-term Disability.
• Paid Parental Leave.
• Employee Stock Purchase Plan.

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

About Cognizant

TriZetto is Powering Integrated Healthcare Management. With technology solutions touching more than half the U.S. population today, TriZetto is uniquely positioned to drive the convergence of core benefit administration, care management and constituent engagement. TriZetto provides premier information technology solutions that enable payers and other constituents in the healthcare supply chain to improve the coordination of benefits and care for healthcare consumers.

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Learn more about Cognizant
Size
340,400 employees
Market Cap
$28.7 billion
Industry
Net Income
$1.3 billion
Founded
1994
5 Year Trend
+6.5%
Revenue
$16.6 billion
NASDAQ

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