1

Live In Mainframe Security Engineer Jobs in Washington

Senior Mainframe Engineer Location: remote Pay rate: open to W2 and established 1099s Position type ... The role also includes participation in a rotating on-call schedule for overnight batch support. We ...

Must have lived in the United States for at least 3 of the past 5 years * Must be currently ... The Security Engineer works closely with the ISSO and other security stakeholders to ensure ...

Senior Security Engineer

Mclean, VA · On-site

$115K - $158K/yr

At Range, we're building towards a world where anyone can live the financial life they imagine for ... Investments, taxes, retirement, estate planning, all in one platform instead of scattered across ...

System Security Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this ... In this role, you will work closely with cross-functional teams to identify vulnerabilities ...

Must have lived in the United States for at least 3 of the past 5 years * Must be currently ... The Security Engineer works closely with the ISSO and other security stakeholders to ensure ...

Located just outside of our Nation's Capital in suburban Maryland - BI provides end-to-end ... Manage the design, development, and deployment of IT solutions providing security engineering ...

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 ...

Security Engineer

Springfield, VA · On-site

$150K - $268K/yr

MANTECH seeks a motivated, career and customer-oriented Security Engineer to join our team in ... and the live NGA CORE classified production environment. Minimum Qualifications: * High School ...

System Security Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this ... In this role, you will work closely with cross-functional teams to identify vulnerabilities ...

Security Engineer

Springfield, VA · On-site

$150K - $268K/yr

MANTECH seeks a motivated, career and customer-oriented Security Engineer to join our team in ... and the live NGA CORE classified production environment. Minimum Qualifications: * High School ...

System Security Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this ... In this role, you will work closely with cross-functional teams to identify vulnerabilities ...

This position is based in Bethesda, MD. This role provides support to our client in cloud architecture, data interoperability, and security engineering support for the SCHARE platform and related ...

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 ...

Showing results 41-60

Live In Mainframe Security Engineer information

What are the key skills and qualifications needed to thrive as a live in mainframe security engineer?

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.

What is a live in mainframe security engineer?

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.

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.
Infographic showing various Live In Mainframe Security Engineer job openings in Washington as of June 2026, with employment types broken down into 100% Full Time. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution.

Senior Mainframe Engineer

System One

Merrifield, VA • Remote

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 20 days ago


Job description

Job Title: Senior Mainframe Engineer Location: remote Pay rate: open to W2 and established 1099s Position type: multiyear contract We are currently seeking a Senior Mainframe Programmer/Support Analyst with a minimum of 10 years of professional experience and extensive experience supporting enterprise banking applications in a production environment. The position focuses on troubleshooting and fixing programming defects, supporting nightly batch processing, and maintaining core banking systems built on COBOL mainframe technologies. The ideal candidate will have strong analytical and debugging skills, hands-on experience with CICS, DB2, and JCL, and the ability to provide production and lower-environment support. Experience with FIS/Systematics core banking applications is highly preferred. The role also includes participation in a rotating on-call schedule for overnight batch support. We are looking for an experienced programmer who has good research/analytical/troubleshooting skills and can fix programming bugs. The programmer must have a mainframe background and must have a minimum of 10 years of support experience with the following skill sets: - COBOL - CICS - DB2 - JCL - FIS/Systematics Core Banking application knowledge/background is highly preferred This position requires a mandatory rotational on-call nightly batch support after some initial training. The on-call rotation is for 1 week and occurs every 10 weeks. As part of the initial training and hands on experience, this person will be working with another team member and supporting the lower environments.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M- #LI-

Ref: #851-Rockville-S1