System z/Mainframes Security Developer (RACF)

We are looking for qualified software engineer candidates to be part of our IBM Z Systems team, to help us take z/VM virtualization to the next level on the mainframe.

Your role and responsibilities

We are seeking a Systems Programmer to join the RACF development team for z/VM. RACF on z/VM provides user authentication, access control, and auditing capabilities to ensure secure multi-user environments. In this role, you will be responsible for designing, coding, testing, and supporting RACF functions within z/VM, working closely with the global security and virtualization teams to deliver robust and enterprise-class security solutions.

Roles & Responsibilities:

Core Development:
Design, develop, and enhance RACF security functions specific to z/VM.
Write and maintain system-level code in Assembler, Rexx, or C/C++.
Conduct code reviews, functional verification, and system-level testing.
Security Engineering:
Implement and refine authentication, authorization, and auditing mechanisms for z/VM.
Address vulnerabilities and contribute to compliance with IBM and industry security standards.
System Programming & Integration:
Work with CP (Control Program), Systems Management, and z/VM subsystems to ensure seamless RACF integration.
Set up, configure, and troubleshoot RACF in z/VM test environments.
Collaboration & Support:
Partner with cross-functional teams including test, service, and documentation to deliver secure releases.
Provide L3 support for customer-reported issues related to RACF on z/VM.
Participate actively in defect analysis and product design discussions.
Innovation & Improvement:
Drive automation and efficiency in test environments and regression cycles.
Contribute ideas for performance and usability enhancements in RACF on z/VM.
Stay updated on enterprise security and virtualization trends to inform product direction.

Required education

Bachelor's Degree

Preferred education

Bachelor's Degree

Required technical and professional expertise

Must have:
a) Minimum 5 years of experience in software design and development in system programming or security components (e.g., authentication, access control, auditing).
b) Minimum 2 years of experience in contributing to or leading development of security or system management tools (e.g., RACF, Directory Management, SAF-compliant products, or equivalent).
c) Experience working with virtualization technologies (z/VM, KVM, VMware, etc.), system security, and API-based integration.
d) Strong skills in mainframes or operating systems development and system-level programming in Assembler, c or /C++.
e) Ability and willingness to learn IBM proprietary languages like PL/X if required.
f) Ability to write and maintain automation scripts (REXX, Perl, Python, or shell equivalents).
g) Strong debugging and troubleshooting skills for complex technical issues in multi-user, virtualized environments.

Preferred technical and professional experience

Strong understanding of operating system internals, virtualization concepts, and security frameworks (e.g., authentication, authorization, auditing).
Hands-on experience with virtualized environments (such as VMware, KVM, Hyper-V, or similar).
Exposure to enterprise security products (identity and access management, directory services, crypto services).
Ability and interest to learn IBM-specific technologies such as z/VM architecture, Control Program (CP), Directory Management, and RACF.
Familiarity with cross-platform security integration (LDAP, Kerberos, PKI, crypto services).
Experience in Agile development and working in global, distributed teams.
Strong communication and collaboration skills with proven ability to work across teams
* Proficiency in English (written and verbal).

ABOUT BUSINESS UNIT

IBM Systems helps IT leaders think differently about their infrastructure. IBM servers and storage are no longer inanimate - they can understand, reason, and learn so our clients can innovate while avoiding IT issues. Our systems power the world's most important industries and our clients are the architects of the future. Join us to help build our leading-edge technology portfolio designed for cognitive business and optimized for cloud computing.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you'll be able to learn and develop yourself and your career, you'll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM's greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we're also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it's time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

When applying to jobs of your interest, we recommend that you do so for those that match your experience and expertise. Our recruiters advise that you apply to not more than 3 roles in a year for the best candidate experience. For additional information about location requirements, please discuss with the recruiter following submission of your application.

Client-provided location(s): Bangalore, India

Job ID: IBM-60338

Employment Type: OTHER

Posted: 2025-09-26T18:48:41