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Freelance Mainframe Security Engineer Jobs in Reston, VA

System One

Be Seen First

Senior RACF Security Engineer/Mainframe Security Admin

Vienna, VA · Remote

$90 - $100/hr

We are currently seeking a Senior Mainframe Security Administrator/RACF Security Engineer for a long term, remote contracting role. Candidates must live in the United States and have at least 10 ...

New

Noblesoft Technologies

Mainframe Engineering

Mclean, VA · On-site

$40 - $45/hr

Title : Mainframe Engineering Location : McLean, VA Required Knowledge * z/OS architectures and ... Mainframe security related to pervasive encryption (a plus). * Mainframe security for audits ...

ConfigUSA

Mainframe Engineer

Mclean, VA · On-site

$49.50 - $63.75/hr

Engineer MUST READ- Note: This is a 100% onsite role to McLean, VA - submit only local candidates ... involving RACF security. Work as client side - technical SME for Mainframe infrastructure ...

Omega Solutions Inc

Senior Security

Washington, DC · On-site

$90/hr

... Identity Engineering & Development. The candidate will be responsible to create new roles in Mainframe and will work as SME for Mainframe RACF administration and security. The candidate will ...

New

Stem Xpert

Mainframe developer

Mclean, VA · On-site

$49.50 - $63.75/hr

Enterprise Solutions, Web Development, Data Warehousing, Systems Integration, IT Security, Storage ... Mainframe developer Location: Mclean, VA Duration: contract or full time Skillset : Experience in ...

Analytica

z/OS Mainframe Programmer

Washington, DC · Remote

S. government customers in health, civilian, and national security missions.  Analytica offers ... programming and JCL * Experience with IBM z/OS, TSO/ISPF, SDSF, Endevor, and FTP/SFTP/Mainframe ...

Analytica

z/OS Mainframe Programmer

Washington, DC · On-site +1

Analytica is seeking a remote z/OS Mainframe Programmer to support a long standing federal ... S. government customers in health, civilian, and national security missions. Analytica offers ...

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All JobsMainframe Security Engineer JobsFreelance Mainframe Security Engineer JobsFreelance Mainframe Security Engineer Jobs in Reston, VA

Freelance Mainframe Security Engineer information

See Reston, VA salary details

$23.9K

$145.2K

$181.5K

How much do freelance mainframe security engineer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for freelance mainframe security engineer in Reston, VA is $145,233.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,700.00 and $166,500.00 per year, depending on experience, location, and employer.

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

AspectFreelance Mainframe Security EngineerMainframe Security Analyst
CredentialsCertifications like CISSP, CISA, or vendor-specific security certificationsSimilar certifications, often including CISSP, CISA, or vendor-specific security credentials
Work EnvironmentIndependent, project-based, remote or on-site consultingFull-time, in-house or remote roles within organizations
Employer & Industry UsageConsulting firms, freelance platforms, or direct client contracts in finance, government, or techFinancial institutions, government agencies, or large corporations with dedicated security teams

While both roles focus on securing mainframe environments, a Freelance Mainframe Security Engineer works independently on various projects, offering specialized expertise. In contrast, a Mainframe Security Analyst is typically employed full-time within an organization, managing ongoing security operations. The certifications and skills overlap significantly, but the work setting and employment structure differ.

What job categories do people searching Freelance Mainframe Security Engineer jobs in Reston, VA look for? The top searched job categories for Freelance Mainframe Security Engineer jobs in Reston, VA are:
Freelance Mainframe Security Engineer jobs near you
Infographic showing various Freelance Mainframe Security Engineer job openings in Reston, VA as of August 2026, with employment types broken down into 84% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $145,233 per year, or $69.8 per hour.

Senior RACF Security Engineer/Mainframe Security Admin

System One

Vienna, VA • Remote

$90 - $100/hr

Contractor

Medical, Dental, Vision, Life, Retirement, PTO

Posted 3 days ago

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Job description

We are currently seeking a Senior Mainframe Security Administrator/RACF Security Engineer for a long term, remote contracting role. Candidates must live in the United States and have at least 10 years of professional RACF administration experience. We are able to work with W2 and established 1099's ONLY - no c2c.


This role is focused on administering, securing, and supporting IBM z/OS mainframe environments. The position is responsible for managing RACF security, identity and access management processes, compliance and audit requirements, and providing advanced (Tier 3) support for security-related issues. The ideal candidate has extensive experience with RACF administration, zSecure, mainframe security controls, and regulatory compliance in large enterprise environments.


Description:

• Responsible for maintaining the mainframe security environment with experience using RACF (Resource Access Control Facility) and zSecure, while ensuring identity management processes are followed using proper user access controls to comply with and industry standards. Including but not limited to the configuration and management of User, Group, Resource (including CICS & DB2), Dataset RACF Security profiles, and modification of SETROPTS settings.
• Deep understanding of RACF required for managing access to mainframe resources and strong understanding of security concepts like access control, least privilege, and data protection and strong familiarity with mainframe system commands and utilities (TSO, ISPF, JCL, REXX)
• Provide Tier 3 support for mainframe security inquiries/service requests. Review and approve access requests based on established security policies. Ensuring robust user access controls, overseeing identity management processes, and maintaining strict adherence to compliance standards.
• Previous experience working with zSecure and ServiceNow is preferred.
• Troubleshooting: Excellent problem-solving skills to identify and resolve RACF-related issues.
• Compliance and Auditing: Familiarity with compliance requirements and auditing processes related to mainframe security.
• Communication Skills: Strong verbal and written communication skills to effectively collaborate with team members and stakeholders

 

Company Description

System One is a leading provider of specialized, highly technical services and solutions to critical infrastructure, technology, life sciences, and government sectors. We partner with large private and public organizations who trust us to execute their complex, mission-critical initiatives through our outsourced services and workforce solutions.