Senior Mainframe Developer

Cognizant; Denver (CO); Remote; USD 100,000 - 117,000; Full time

Job summary

A leading technology company is seeking a Senior Mainframe Developer to design and implement robust mainframe solutions. Candidates should have strong expertise in COBOL, VSAM, DB2, CICS, and API development. This remote position offers a salary range of $100,000 - $117,000 and includes comprehensive benefits such as medical insurance and paid time off.

Benefits

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

Qualifications

• Proven experience in Mainframe development.
• Strong expertise in COBOL, VSAM, DB2, CICS, and JCL.
• Hands-on experience with zOS and API development.

Responsibilities

• Analyze and review requirements related to Mainframe and zOS systems.
• Develop and maintain applications using COBOL, VSAM, DB2, CICS, and JCL.
• Lead and mentor offshore development teams.

Skills

COBOL

VSAM

DB2

CICS

JCL

API Development

UAT

Leadership

Analytical Skills

Problem-Solving

Job description

About the role

As a Senior Mainframe Developer, you will make an impact by designing, developing, and implementing robust mainframe solutions that support critical business operations. You will be a valued member of the Technology & Engineering team and work collaboratively with offshore developers, business analysts, and project stakeholders.

In this role you will:

• Analyze and review requirements related to Mainframe and zOS systems.
• Develop and maintain applications using COBOL, VSAM, DB2, CICS, and JCL.
• Design and implement new API-based zOS applications.
• Lead and mentor offshore development teams to ensure quality and timely delivery.
• Conduct User Acceptance Testing (UAT) and support production deployment activities.

Work model

We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a remote 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:

• Proven experience in Mainframe development with strong expertise in COBOL, VSAM, DB2, CICS, and JCL.
• Hands‑on experience with zOS and API development.
• Ability to lead and coordinate offshore development teams.
• Experience in conducting UAT and supporting production implementations.
• Strong analytical and problem‑solving skills.

These will help you stand out:

• Experience working in Agile or hybrid development environments.
• Familiarity with DevOps practices in mainframe environments.
• Excellent communication and stakeholder management skills.
• Prior experience in financial services or large enterprise systems.
• Ability to mentor junior developers and foster team collaboration.

Benefits

• 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

Salary and Other Compensation

Applications will be accepted until November 17th, 2025.

The annual salary for this position is between $100,000 - $117,000 depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

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.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.