Senior Mainframe Security Administrator- RACF
The full posting
ABOUT US
Ensono is a hybrid IT services provider that sees a world in transformation. We understand the world of business has become more complex, layered, and interdependent because we’re enabling the IT infrastructure for that transformation. Our clients are some of the most innovative and forward-thinking companies in the world and we help keep their businesses thriving. With nearly 50 years of experience, we optimize and modernize IT infrastructure by amplifying the power of mainframes and mid-range servers with the agility of cloud. Check us out at www.ensono.com.
Job role
Are you reliable and focused? We're looking for someone like that to support our team to
- Define and maintain z/OS RACF security settings
- Work on concepts for new projects as well as design and implementation
- Handle Incident and problem management in the RACF security area and related subcomponents
- Do On-Call service for RACF support
- Manage certificates for z/OS USS (Unix System Services)
Your team
You will be working in a team of employees based in Pune/India. We strive to keep our mainframes safe and secure. We are the experts for RACF and work in collaboration with the Security Manager and our customers, the application projects.
You have
- Expert skills in z/OS operating systems, z/OS subsystems and RACF (3 to 5 years hands-on would be great!)
- Experience in z/OS RACF security on z/OS operating system and security tools (eg. Vanguard, zSecure etc.)
- User knowhow of Microsoft Office Palette
You are
- A hands on person with aim to serve and support the customer
- A team player (but can work independently as well, of course)
- fluent in English, written and spoken
- keen on working in a huge z/OS landscape with endless challenges and opportunities
Shift Timing- 1:30 PM to 10:30 PM
We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to caste, colour, creed, religion, gender, gender identity, sexual orientation, age, disability, HIV status, or any other status protected by law. Candidates with disabilities who require accommodations during the recruitment process are encouraged to contact our Talent Acquisition team to place a request.
Text as Ensono published it; last compared with the original on 11 Nov 2026.
The application
Your details and CV, then 9 questions.
- 1.Are you a former associate?Yes or no
- 2.Are you willing to work in shift or in 24/7 environment?Yes or no
- 3.Are you legally authorized to work in India?Yes or no
- 4.Would you require any help from Ensono to file visa for you in the future?Yes or no
- 5.What are your total years of experience?Short answer
- 6.What are your total years of relevant experience?Short answer
- 7.Please enter your current company's name:Short answer
- 8.PrefixShort answer · optional
- 9.SuffixShort answer · optional
Taken from Ensono's application form as it stood on 11 Nov 2026.
The employer: Ensono
Ensono runs mainframe, cloud and data center operations for large enterprises; its security staff administer access controls on client mainframes.
Pay and benefits: Chennai, Pune and remote US jobs at a KKR-owned company.
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