Mainframe Security Expert
Pittsburgh, PA
Category: Security
Industry: Financial Services
Standard Hours: Open
Reference ID: JN -092026-108536
Date Posted: 09/09/2026
Shortcut: http://careers.eliassen.com/VQdyjL
Description:
Hybrid 4 days onsite in Pittsburgh, PA
Our client seeks a Mainframe Security expert to execute day-to-day project tasks, perform detailed analytics, guide asset modeling, and produce project documentation. The role will serve as a subject matter expert across ACF2, Top Secret (TSS), and RACF within vulnerability management initiatives, including standards setting for z/OS hardening, controls, and remediation, while communicating between mainframe engineering and information security teams.
This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $61.00 to $71.00/hr. w2
Responsibilities:
- Provide day-to-day tactical project execution and perform detailed analytics across multiple data points.
- Act as SME for mainframe security systems including ACF2, TSS, and RACF within vulnerability management projects.
- Leverage z/OS ACF2/TSS/RACF STIG for hardening efforts.
- Interface directly with client staff to train and address daily questions on a home-grown vulnerability tool and related utilities.
- Determine and document security standards for z/OS hardening, security controls, and vulnerability remediation.
- Facilitate communication between mainframe engineering and information security teams.
- Create and maintain project documentation as required.
Experience Requirements:
- zSecure Audit experience required, 7 to 10 years.
- Expertise in Broadcom ACF2 and/or Top Secret (TSS); 10+ years with z/OS ACF2 or TSS.
- Demonstrated use of z/OS ACF2/TSS/RACF STIG in hardening.
- Proficiency with Mainframe REXX, IBM Syncsort, and ICETOOL.
- Experience with zSecure programming using CARLa.
- Background in z/OS security consulting or penetration testing preferred.
- Exposure to vulnerability management.
- Good communication and documentation skills; exposure to JIRA, Confluence, and SharePoint.
Education Requirements:
- BS degree and/or 15+ years of mainframe security experience.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above