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Live In Mainframe Security Engineer Jobs (NOW HIRING)

Capital One

Mainframe Security Engineer

Plano, TX

Mainframe Security Engineer Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative ...

Capital One

Mainframe Security Engineer

Mclean, VA

Mainframe Security Engineer Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative ...

CTG, Inc.

Mainframe Security Engineer

Phoenix, AZ

CTG is seeking a Mainframe Security Engineer to support and secure enterprise IBM z/OS environments ... Bachelor's degree in IT, Computer Science, Cybersecurity, or related field preferred * CISSP, CISM ...

Capital One

Mainframe Security Engineer

Richmond, VA · On-site

Mainframe Security Engineer Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative ...

Capital One

Mainframe Security Engineer

Mclean, VA · On-site

Mainframe Security Engineer Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative ...

TriOptus LLC

Mainframe Security Engineer

Plano, TX · On-site

The Enterprise Z Security team in ETS is responsible for engineering and managing various mainframe authentication and authorization systems. * This position is for a senior engineer in Tooling and ...

TriOptus LLC

Mainframe Security Engineer

Murphy, TX

The Enterprise Z Security team in ETS is responsible for engineering and managing various mainframe authentication and authorization systems. * This position is for a senior engineer in Tooling and ...

TriOptus LLC

Mainframe Security Engineer

Plano, TX

The Enterprise Z Security team in ETS is responsible for engineering and managing various mainframe authentication and authorization systems. This position is for a senior engineer in Tooling and ...

Amicis Global

Mainframe Security Engineer

Alpharetta, GA · On-site

$70 - $80/hr

The Enterprise Z Security team in ETS is responsible for engineering and managing various mainframe authentication and authorisation systems. This position is for a senior engineer in the Tooling and ...

Software Technology Inc

Mainframe Engineer

Mclean, VA

$50.25 - $64.75/hr

Senior Mainframe Infrastructure Engineer Freddie Mac has an exciting opportunity for a senior ... Knowledge of mainframe security related to supporting audits & findings - in reference to BSCs, key ...

Ensono

Mainframe Security Engineer

Downers Grove, IL

Employee The primary role of the Mainframe System Security Engineer is to create, modify and ... In addition, they will review security policies, procedures, standards, baselines and may recommend ...

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All JobsLive In Mainframe Security Engineer Jobs

Live In Mainframe Security Engineer information

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$139.6K

$174.5K

How much do live in mainframe security engineer jobs pay per year?

As of Jun 4, 2026, the average yearly pay for live in 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 Live In Mainframe Security Engineer, and why are they important?

To thrive as a Live In Mainframe Security Engineer, you need a robust understanding of mainframe systems, cybersecurity principles, and typically a degree in computer science or a related field. Familiarity with tools like RACF, ACF2, or Top Secret, and relevant certifications such as CISSP or CISM, are commonly required. Strong problem-solving skills, attention to detail, and the ability to communicate complex security issues clearly are standout soft skills in this role. These skills and qualifications are essential to safeguard critical enterprise data, maintain regulatory compliance, and ensure reliable system operations.

How does a Live In Mainframe Security Engineer typically collaborate with IT and compliance teams to ensure system security?

A Live In Mainframe Security Engineer works closely with IT operations, application developers, and compliance officers to maintain robust security protocols for mainframe systems. This collaboration often involves conducting regular security assessments, coordinating on access control implementations, and ensuring compliance with regulatory standards such as PCI DSS or SOX. The role requires strong communication skills to translate complex security requirements into actionable tasks for different teams. Regular meetings and joint incident response exercises help ensure everyone is aligned in protecting critical enterprise data.

What are Live In Mainframe Security Engineers?

Live In Mainframe Security Engineers are IT professionals who specialize in securing mainframe computer systems, often residing on-site or being readily available to manage security concerns around the clock. Their duties include monitoring for threats, managing access controls, patching vulnerabilities, and ensuring compliance with security policies on mainframe platforms. These engineers play a critical role in protecting sensitive data and maintaining the integrity and availability of essential business systems that rely on mainframes.
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Live In Mainframe Security Engineer jobs near you
Infographic showing various Live In Mainframe Security Engineer job openings in the United States as of May 2026, with employment types broken down into 14% Locum Tenens, and 86% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote 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 2 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