Skip to main content

Mainframe Security Administrator

00071229351

Role Summary

We are seeking a senior Mainframe Security Administrator to secure and administer our IBM z/OS environment using RACF. You will own the RACF database, manage digital certificates, support auditing and compliance, and ensure security is configured correctly across a Parallel Sysplex environment.

Key Responsibilities

  • Administer RACF users, groups, and resource profiles, and maintain resource access lists
  • Manage the RACF database: backup databases, database housekeeping, and monitoring of usable database space.
  • Run and interpret RACF utilities for database initialization, split/merge/extend, unload, and verification.
  • Plan and execute database changes, such as switching to a backup database, with controls to prevent corruption from incorrect database sharing.
  • Provide 2nd/3rd-level support for z/OS security incidents and access issues.
  • Work with systems programmers, application teams, and security/GRC teams.
  • Create and maintain procedures, runbooks, and documentation.

Mandatory Skills

  • IBM z/OS: deep, hands-on knowledge of the operating system
  • Parallel Sysplex: working knowledge of Parallel Sysplex concepts.
  • RACF: strong knowledge of RACF concepts and administration, including RACF database management.
  • RACF digital certificates: hands-on experience with RACDCERT.
  • RACF auditing: hands-on experience.
  • 8+ years of relevant mainframe security administration experience.

About Cognizant: 
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Additional employment information
Compensation 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.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

a blue line drawing of a plant with leaves

Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

Stay Healthy Midnight Blue RGB

Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

Build The Career You Want Midnight Blue RGB

Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

Making A Meaningful Impact Midnight Blue RGB

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Haven't yet found the right opportunity?

Get the latest updates on job opportunities, recruitment events and company news—tailored just for you!

Be in the know