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Mainframe Security Engineer Jobs (NOW HIRING)

TriOptus LLC

Mainframe Security Engineer

Plano, TX · On-site

* Security Engineer: EZ Mainframe Security Tooling Team * Client is a leading global financial services firm providing a wide range of investment banking, securities, investment management and wealth ...

TriOptus LLC

Mainframe Security Engineer

Plano, TX · On-site

Security Engineer: EZ Mainframe Security Tooling Team Client is a leading global financial services firm providing a wide range of investment banking, securities, investment management and wealth ...

TriOptus LLC

Mainframe Security Engineer

Murphy, TX · On-site

* Security Engineer: EZ Mainframe Security Tooling Team * Client is a leading global financial services firm providing a wide range of investment banking, securities, investment management and wealth ...

Amicis Global

Mainframe Security Engineer

Alpharetta, GA · On-site

$70 - $80/hr

Job Title: EZ Mainframe Security Engineer Job Location: Alpharetta, GA 30022 Job Duration: 12 Months+ Extension Brokerage is a leading global financial services firm providing a wide range of ...

InstantServe LLC

Mainframe Security Engineer

Mainframe Security Engineer (100% remote) FULLTIME POSITION Required/Desired Skills * Must havexperience with IBM z/VM and VM/CMS * Must have experience working with Broadcom/CA VM:Secure software ...

Ensono

Mainframe Security Engineer

Downers Grove, IL · On-site

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.

Apex Informatics

Senior Mainframe Security Engineer role (100% remote) (zSecure audit, with one of these 3 areas: ACF2 / TSS / RACF and JCL and Vulnerability and REXX/IBM SYNC SORT/ICETOOL -Top requirements -15 ...

WaveStrong, Inc.

Mainframe Security SME

Dallas, TX · On-site +1

Exciting Mainframe Security SME, 12 months, contract opportunity. Requirements Seeking a Mainframe ... Technical Engineering & Architecture * Design RACF class structures, grouping, profiles, and naming ...

Apex Informatics

... Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education. * 5+ years of mainframe security risk ...

WaveStrong, Inc.

Mainframe Security SME

Dallas, TX · Remote

Exciting Mainframe Security SME, 12 months, contract opportunity. Requirements Seeking a Mainframe ... Technical Engineering & Architecture * Design RACF class structures, grouping, profiles, and naming ...

WaveStrong, Inc.

Mainframe Security SME

Dallas, TX

Exciting Mainframe Security SME, 12 months, contract opportunity. Requirements Seeking a Mainframe ... Technical Engineering & Architecture * Design RACF class structures, grouping, profiles, and naming ...

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Mainframe Security Engineer information

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$23K

$139.6K

$174.5K

How much do mainframe security engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for mainframe security engineer in the United States is $139,599.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,000.00 and $160,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Mainframe Security Engineer, and why are they important?

To thrive as a Mainframe Security Engineer, you need expertise in mainframe operating systems (such as z/OS), security protocols, and a solid background in IT security principles, often supported by a degree in computer science or related fields. Familiarity with tools like RACF, ACF2, Top Secret, and security auditing systems, along with certifications such as CISSP or CISM, is highly valuable. Strong analytical skills, attention to detail, and effective communication are crucial soft skills for identifying risks and collaborating across teams. These skills and qualifications are essential for protecting critical business data, ensuring regulatory compliance, and maintaining the integrity of mainframe environments.

How does a Mainframe Security Engineer typically collaborate with other IT teams to ensure comprehensive system protection?

Mainframe Security Engineers regularly work alongside network administrators, application developers, and compliance teams to safeguard sensitive data and maintain regulatory standards. They participate in cross-functional meetings to review system changes, assess potential security risks, and implement access controls. Effective communication and coordination are essential, as security measures must align with the broader IT infrastructure and business objectives. This collaborative approach helps ensure that security protocols are up-to-date and integrated across all platforms.

What are Mainframe Security Engineers?

Mainframe Security Engineers are IT professionals responsible for ensuring the security of mainframe computer systems, which are powerful servers used by large organizations for critical applications. They design, implement, and manage security measures to protect data, applications, and infrastructure on mainframe platforms. This includes configuring access controls, monitoring for security breaches, conducting risk assessments, and staying updated on security vulnerabilities and compliance requirements. Mainframe Security Engineers often work with tools like RACF, ACF2, or Top Secret to manage permissions and audit usage. Their expertise helps organizations prevent unauthorized access and maintain the integrity and confidentiality of their most sensitive data.

What is the difference between Mainframe Security Engineer vs Mainframe Security Analyst?

AspectMainframe Security EngineerMainframe Security Analyst
CertificationsSecurity+, CISSP, CISASecurity+, CISSP, CISA
Work EnvironmentDesigns and implements security solutions for mainframe systemsMonitors, analyzes, and responds to security incidents on mainframes
Employer & Industry UsageFinancial institutions, government agencies, large enterprisesFinancial institutions, government agencies, large enterprises
Common Search & ComparisonFocuses on security architecture and implementationFocuses on security monitoring and incident response

While both roles work within mainframe security, the Mainframe Security Engineer primarily designs and implements security measures, whereas the Mainframe Security Analyst monitors and responds to security threats. Both roles are essential for safeguarding mainframe environments in large organizations.

More about Mainframe Security Engineer jobs
What are the most commonly searched types of Mainframe Security Engineer jobs? The most popular types of Mainframe Security Engineer jobs are:
What job categories do people searching Mainframe Security Engineer jobs look for? The top searched job categories for Mainframe Security Engineer jobs are:
Mainframe Security Engineer jobs near you
Infographic showing various Mainframe Security Engineer job openings in the United States as of May 2026, with employment types broken down into 13% Full Time, and 87% Contract. Highlights an 100% In-person job distribution, with an average salary of $139,599 per year, or $67.1 per hour.

Mainframe Security Engineer

Kanak Elite Services Inc

Pittsburgh, PA • On-site

Contractor

Posted 26 days ago

Job description

Hello There,

Wish you a Happy Monday,

My name is Yashmita, and I am a Technical Recruiter at Kanak IT Services LLC. I am reaching out to you regarding the following job opportunity. If you are interested, kindly reply to this email yashmita@kanakits.com with your updated resume.  

TITLE: MAINFRAME SECURITY ENGINEER (Z/OS, ACF2/TSS/RACF, ZSECURE) WITH BANKING EXP.

DURATION: 12 MONTHS

WORK LOCATION: PITTSBURGH, PA / LAKE MARY, FL

REMOTE: WILL ALSO CONSIDER FULLY REMOTE CANDIDATES

ONSITE EXPECTATIONS: HYBRID (4 DAYS ONSITE PER WEEK PREFERRED)

REMOTE OPTION AVAILABLE FOR EXCEPTIONAL CANDIDATES ONLY IF THE PROFILE WILL BE VERY STRONG

Position Summary

  • The Mainframe Security Engineer will play a key role in executing day-to-day tactical project activities within the Information Security domain. This position involves detailed data analytics, mainframe security administration, and direct support of vulnerability management projects. The ideal candidate will possess deep technical expertise in mainframe security systems (ACF2, TSS, RACF) and strong familiarity with zSecure Audit.

Key Responsibilities

  • Execute tactical project activities, including data analysis, asset modeling, and project documentation.
  • Serve as a Mainframe Security Subject Matter Expert (SME) for vulnerability management initiatives.
  • Provide guidance on z/OS hardening, security controls, and vulnerability remediation.
  • Interface directly with client teams to provide training and resolve questions regarding home-grown vulnerability management tools.
  • Collaborate effectively between mainframe engineering and information security teams.
  • Utilize zSecure Audit for analysis, reporting, and compliance validation.
  • Apply z/OS ACF2/TSS/RACF STIGs in system hardening efforts.
  • Contribute to security consulting and penetration testing initiatives (preferred).
  • Demonstrate a proactive, problem-solving mindset with strong communication skills.

Required Skills & Experience

  • 7–10 years of zSecure Audit experience.
  • Proven expertise in ACF2 or TSS Mainframe Security.
  • Hands-on experience leveraging z/OS ACF2/TSS/RACF STIGs for system hardening.
  • Strong analytical and problem-solving abilities.
  • Excellent communication and collaboration skills.

Preferred Skills & Experience

  • 10+ years in z/OS ACF2 or TSS environments.
  • Exposure to Vulnerability Management tools and processes.
  • Familiarity with JIRA, Confluence, and SharePoint.
  • Background in z/OS security consulting or penetration testing.

Required Software / Technology

  • ACF2 or TSS mainframe security
  • zSecure programming using CARLa code
  • Preferred Software / Technology
  • N/A

Education / Certifications

  • Bachelor’s Degree and/or 15+ years of Mainframe Security experience