Demo

Mainframe Security Engineer

itoinc
Finley, IL Full Time
POSTED ON 10/11/2026
AVAILABLE BEFORE 12/10/2026
Worker Type: Employee 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. Requirements: Basic Knowledge of Security and good security best practices Hands-on administration of RACF, ACF2 and Top Secret login ID's, dataset and resource rules. 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 Experience using IBM zSecure security products Experience with REXX or any programming language is a plus 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 General Knowledge: 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 Primary Location City/State: Downers Grove, IL - Finley, Illinois Additional Locations (if applicable): 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. Ensono helps IT leaders be the catalyst for change by harnessing the power of hybrid IT to transform their businesses. We drive digital transformation by enabling increased agility and scalability through the modernization to public cloud. Our broad services portfolio from mainframe to cloud, powered by an intelligent governance platform, is designed to help our clients operate for today and optimize for tomorrow. We are award-winning certified experts in AWS and Azure and recognized as Microsoft Datacenter Transformation Partner of the Year. Ensono has over 2,000 associates around the world and is headquartered in greater Chicago. Visit us at www.ensono.com. In June 2018, Ensono acquired the hosted data center business of Wipro. Our company and community is one that focuses on philosophy of we win together. Our job opportunities will stretch your limits and expose you to cutting edge technologies whether you’re an engineer, developer, products guru, systems and security expert, sales and consulting executive, or an intern looking to gain real experience with a company that will make your résumé — and you — stand out. If you are interested in applying for employment with Ensono and need special assistance or an accommodation to apply for a posted position, contact our recruiting department at 1-800-729-1501. We highly recommend for you to create an account to monitor your resume submissions. Click on the Sign In link above to create an account or sign up at the end of your application. Thank you!

Salary.com Estimation for Mainframe Security Engineer in Finley, IL
$79,539 to $106,211
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mainframe Security Engineer?

Sign up to receive alerts about other jobs on the Mainframe Security Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$72,620 - $96,681
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$77,991 - $108,747
Income Estimation: 
$111,725 - $147,313
Income Estimation: 
$112,673 - $137,290
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553

Sign up to receive alerts about other jobs with skills like those required for the Mainframe Security Engineer.

Click the checkbox next to the jobs that you are interested in.

  • Customer Interaction Skill

    • Income Estimation: $40,892 - $53,930
    • Income Estimation: $41,527 - $53,091
  • Customer Support Skill

    • Income Estimation: $34,672 - $46,393
    • Income Estimation: $47,314 - $59,730
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at itoinc

  • itoinc Finley, IL
  • Worker Type: Employee Ensono is a leading, large-scale provider of mainframe and infrastructure services serving mid-tier to large enterprise clients. The ... more
  • 13 Days Ago

  • itoinc Finley, IL
  • Worker Type: Employee The Media Tech perform media rotations, offsite vaulting, ticket monitoring and management, and other related functions associated wi... more
  • 13 Days Ago

  • itoinc Downers Grove, IL
  • Worker Type: Employee We are hiring full-time Data Center Hardware Technician to work in Downers Grove, IL. Data Center. The Hardware Technician will deliv... more
  • 13 Days Ago

  • itoinc Finley, IL
  • Worker Type: Employee As the Executive Assistant professional, you will provide senior level administrative support to the Chief Financial Officer, Chief S... more
  • 13 Days Ago


Not the job you're looking for? Here are some other Mainframe Security Engineer jobs in the Finley, IL area that may be a better fit.

  • Global Business Ser. 4u Jersey, NJ
  • Contract Location: onsite 2 weeks per month in Merrimack, NH or Jersey City, NJ 10 Mainframe engineers needed Must Have Skills 10 years of experience in ma... more
  • 16 Days Ago

  • BNY Mellon Pittsburgh, PA
  • At BNY, our culture allows us to run our company better and enables you to grow and succeed. As a leading global financial services company at the heart of... more
  • 11 Days Ago

AI Assistant is available now!

Feel free to start your new journey!