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Senior Mainframe Software Engineer Jobs in Virginia

Navy Federal Credit Union

Senior Mainframe Engineer

Vienna, VA · On-site +1

$49.25 - $63.25/hr

Develop and test new software and updates. * Support our automation goals and high availability goals. * Plan, test, and document changes. Qualifications * A demonstrated ability to carefully plan ...

Navy Federal Credit Union

Senior Mainframe Engineer

Vienna, VA · On-site

$49.25 - $63.25/hr

Develop and test new software and updates. * Support our automation goals and high availability goals. * Plan, test, and document changes. Qualifications * A demonstrated ability to carefully plan ...

Alpha Consulting Corp.

Mainframe Platform Engineer

Mclean, VA · On-site

$49.75 - $63.75/hr

Alpha Consulting Corp. is seeking a Senior Mainframe Platform Engineer to act as the client-side technical SME for the enterprise mainframe platform. The role involves governance, operational ...

Scalence L.L.C.

Mainframe Platform Engineer

Mclean, VA · On-site

$49.75 - $63.75/hr

C. is seeking a Senior Mainframe Platform Engineer to act as the client-side technical SME for the enterprise mainframe platform. The role involves governance, operational oversight, change ...

Navy Federal Credit Union

Senior Mainframe Engineer

Vienna, VA · On-site

$49.25 - $63.25/hr

... software products. The CICS and MQ systems programmer is responsible for maintaining the high ... The ideal candidate will have a minimum of 7 years of work experience in mainframe CICS and / or ...

Broadcom

Sr Mainframe Technical Consultant

Reston, VA · On-site

... HLASM programming languages 10+ years' experience with Broadcom Software mainframe products or ... senior consultant will have a bachelor's degree with a minimum of 10+ years of experience in IT.

Deloitte

Mainframe Developer

Mclean, VA · Hybrid

$49.50 - $63.75/hr

Recruiting for this role ends on June 10th, 2026 Qualifications Required * 4+ years of experience in software, systems, or embedded engineering * 4+ years of experience in Mainframe application ...

Deloitte

Mainframe Developer

Richmond, VA · Hybrid

$48.50 - $62.25/hr

Recruiting for this role ends on June 10th, 2026 Qualifications Required * 4+ years of experience in software, systems, or embedded engineering * 4+ years of experience in Mainframe application ...

Stem Xpert

Mainframe developer

Mclean, VA

$49.50 - $63.75/hr

... software engineering and systems integration. Our tightly integrated offerings are tailored to each ... Mainframe developer Location: Mclean, VA Duration: contract or full time Skillset : Experience in ...

Eversoft Technologies LLC

Mainframe engineer

Mclean, VA · On-site

$50.25 - $64.75/hr

The Mainframe engineers responsibilities include: Technical Lead for Mainframe Platform (z/OS| Dell Storage| IMS| DB2| RACF| CA JobTrac) to govern operations| changes and sustainability upgrade ...

New

ConfigUSA

Mainframe Engineer

Mclean, VA · On-site

$49.50 - $63.75/hr

The Mainframe engineers responsibilities include: Technical Lead for Mainframe Platform (z/OS| Dell Storage| IMS| DB2| RACF| CA JobTrac) to govern operations| changes and sustainability upgrade ...

Noblesoft Technologies

Mainframe Engineering

Mclean, VA · On-site

$40 - $45/hr

Mainframe Engineering Location : McLean, VA Required Knowledge * z/OS architectures and internals. * zSecure tool and Carla language (customization experience is a plus). * Mainframe security related ...

Atria Group LLC

Mainframe Developer

Chantilly, VA · On-site

$50.25 - $64.50/hr

Company Description We specialize in Staffing, Consulting, Software Development, and Training along ... Our company provides application analysis, design, development and programming, software ...

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Senior Mainframe Software Engineer information

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

To thrive as a Senior Mainframe Software Engineer, you need deep expertise in COBOL, JCL, DB2, and mainframe architecture, often backed by a degree in computer science or related fields and several years of relevant experience. Familiarity with tools like IBM z/OS, CICS, RACF, and version control systems is typically required, along with certifications like IBM Certified System Programmer as a plus. Strong analytical thinking, problem-solving ability, and effective communication are crucial soft skills for leading projects and collaborating with cross-functional teams. These skills ensure reliable, secure, and efficient operation of critical legacy systems that are foundational to many large organizations.

What are Senior Mainframe Software Engineers?

Senior Mainframe Software Engineers are experienced professionals who design, develop, maintain, and optimize software applications running on mainframe computer systems. They typically work with legacy programming languages such as COBOL, PL/I, or Assembler, and are responsible for ensuring the reliability, scalability, and security of critical business applications. Their role often includes troubleshooting complex issues, integrating new technologies with existing systems, and mentoring junior engineers. These specialists are essential for organizations that rely on mainframes for large-scale data processing and transaction management.

What are some common challenges faced by Senior Mainframe Software Engineers when integrating legacy systems with modern technologies?

Senior Mainframe Software Engineers often encounter challenges when bridging legacy mainframe systems with newer technologies, such as ensuring compatibility, maintaining data integrity, and managing security risks. These integrations typically require a deep understanding of both the existing mainframe environment and the modern platforms being adopted. Collaboration with cross-functional teams, including application developers, architects, and business analysts, is essential to design effective solutions and minimize disruptions. Staying current with industry best practices and emerging tools can help address these challenges and ensure a smooth transition.

What is the difference between Senior Mainframe Software Engineer vs Mainframe Developer?

AspectSenior Mainframe Software EngineerMainframe Developer
CredentialsBachelor's in Computer Science or related, often with certifications like IBM Certified SpecialistSimilar educational background, often with certifications in mainframe technologies
Work EnvironmentLarge enterprise IT departments, financial institutions, government agenciesSame as Senior Mainframe Software Engineer, often within similar industries
ResponsibilitiesDesign, develop, and oversee mainframe applications; lead projects; troubleshoot complex issuesDevelop and maintain mainframe applications; focus on coding and debugging

While both roles involve mainframe technologies and similar credentials, Senior Mainframe Software Engineers typically have more leadership responsibilities and oversee projects, whereas Mainframe Developers focus primarily on coding and application maintenance.

What are popular job titles related to Senior Mainframe Software Engineer jobs in Virginia? For Senior Mainframe Software Engineer jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Senior Mainframe Software Engineer jobs in Virginia look for? The top searched job categories for Senior Mainframe Software Engineer jobs in Virginia are:
What cities in Virginia are hiring for Senior Mainframe Software Engineer jobs? Cities in Virginia with the most Senior Mainframe Software Engineer job openings:
Senior Mainframe Software Engineer jobs near you
Senior Mainframe Engineer

Senior Mainframe Engineer

System One Holdings, LLC

Merrifield, VA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 29 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.
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Ref: #851-Rockville-S1

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