Mainframe Security Engineer

Mainframe System Security Engineer

Worker Type:
Employee

• Create, modify and maintain security access on internal and external userids and security rules for mainframe systems.
• Use ACF2, Top Secret and RACF to support mainframe system access.
• Review security policies, procedures, standards, baselines and recommend and coordinate remediation plans involving technology and procedures.
• Maintain an understanding of security standards, policies and procedures.
• Monitor system security policy and violations/incidents.
• Perform and review daily, weekly, and monthly audit reports.
• Liaise with business areas and other technical support areas.
• Provide customer support by preparing ad‑hoc reports and giving presentations.
• Monitor environment for adherence to security standards.
• Be available 24×7.

• Basic knowledge of security and good security best practices.
• Hands‑on administration of RACF, ACF2 and Top Secret login IDs, datasets and resource rules.
• Experience using IBM zSecure security products.
• Knowledge of REXX or any programming language is a plus.
• iSeries security knowledge is a plus.
• Experience with Vanguard security products is desired.
• Some MVS experience is a plus.
• Excellent TSO, JCL, IBM utilities, JES2 and ISPF skills required.
• Experience with CICS preferred.
• PC skills:
  Outlook, Word, Excel, PowerPoint.

• Strong written and verbal communication skills.
• Strong organizational and project management skills.
• Ability to work on own initiatives.
• Strong analytical and problem‑solving skills.
• Excellent teamwork and ability to work independently in a fast‑paced environment.
• Self‑starter, detail oriented, and ability to multitask.
• Excellent communication skills required.

• CISSP, CISA, CISM or ITIL certification a plus.
• Bachelor’s or Master’s degree preferred.
• Other mainframe security products a plus.

Primary location:
Downers Grove, IL – Finley, Illinois.

Additional locations:
Homebased – Downers Grove, IL – Finley.

Ensono is an Equal Employment Opportunity Employer. Ensono provides equal employment opportunities to all qualified applicants without regard to race, color, religion, national origin, ancestry, citizenship status, sex, marital status, pregnancy, age, disability, genetic information, sexual orientation, gender identity or expression, veteran status, military status, or any other status protected by applicable law.