Ensono

Mainframe System Security Engineer

Ensono · Pune, India
Pune, India Posted 2026-11-03
Type
Full-time

About us (Ensono)

Ensono is an expert technology adviser and managed service provider. As a relentless ally, we accelerate clients’ digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize today’s systems across any hybrid environment with services such as consulting, mainframe and application modernization, public cloud migration and cloud-native development. With certified experts in AWS, Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year, Ensono has over 3500+ associates globally and is headquartered in greater Chicago.

We care about your success, offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications – whether it’s public, multi or hybrid cloud, or mainframe. And because we span across all mission-critical platforms, we can meet you wherever you are in your digital transformation journey, with 24/7 support when you need it. We are your relentless ally, flexing with you when challenges emerge so you don’t feel stuck in place. With cross-platform certifications and decades of experience, our technology experts become an extension of your team so you’re continuously innovating – doing more with less while remaining secure. And that’s just the beginning

Job Responsibilities:-

The primary role of the Mainframe System Security Engineer is to create, modify and maintain security access on internal and external userids and security rules access for mainframe systems. All three security products, ACF2, Top Secret and RACF are utilized for supporting mainframe system access. In addition, they will review security policies, procedures, standards, baselines and may recommend and coordinate security remediation plans involving the implementation of security solutions, both technology and procedures; while maintaining an understanding of security standards, policies and procedures.

Experience Level:

  • Basic Knowledge of Security and good security best practices
  • Looking for 2+tyears of experience person in Mainframe Security packages RACF and ACF2.

Technical Key Skills (Mandatory Skills )

  • Experience person in Mainframe Security packages RACF and ACF2.
  • Hands-on administration of RACF and ACF2 login ID's, dataset and resource rules.
  • Hands – on Experience in Mainframe Digital certificates.
  • Monitor system security policy and violations/incidents
  • Perform and review daily, weekly, and monthly audit reports
  • Liaison with business areas and other technical support areas
  • Provide customer support by preparing ad hoc reports and giving presentations
  • Monitors the environment for adherence to security standards
  • Must be available 24 x7
  • ACF2, Top Secret, and iSeries security knowledge a plus
  • Technical Skills:
  • Excellent TSO, JCL, IBM UTILITIES, JES2, and ISPF a must
  • Experience with CICS preferred
  • Experience using Vanguard security products is desired

Good to have Skills

  • Some MVS experience is a plus
  • PC Skills (Microsoft Outlook, Word, Excel, PowerPoint)
  • Personal Skills:
  • Strong written and verbal communication skills.
  • Strong organizational skills with the ability to manage multiple concurrent project deliverables and the ability to work as a global team.
  • Ability to work on own initiatives.
  • Strong analytical skills and problem solving skills
  • Must be an excellent team player with the ability to work independently in a fast paced environment
  • Self starter, detailed oriented and ability to multi task
  • Excellent Communication skills required
  • Good written skills are required
  • Education:
  • CISSP, CISA, CISM or ITIL Certification a plus
  • Bachelors or Masters Degree Preferred
  • Other mainframe security products a plus

Shift Timing:

1:30 PM to 10:30 PM AND 9:30 PM to 6:30 AM(Rotational Shift)

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.

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Ensono

Ensono

Hybrid IT Services · Private · Downers Grove, USA

Stage & Valuation
Private · $1.7B
Key Investors
KKR, Charlesbank Capital Partners, M/C Partners
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Engineering (42) · Operations (30) · BizOps (6)
Ensono provides hybrid IT services, including cloud migration, mainframe modernization, and managed infrastructure solutions to accelerate digital transformation. The company helps enterprises evolve and optimize their technology environments.
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