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Mainframe Jobs in Washington, DC (NOW HIRING)

System One

Senior Mainframe Engineer

Merrifield, VA · Remote

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 ...

Omm IT Solutions

Mainframe Computer Operator

Washington, DC

$55.25 - $71/hr

The operators will be responsible for running and monitoring mainframe print operations, supporting job scheduling, and assisting Production Control staff to ensure timely and accurate completion of ...

Analytica

z/OS Mainframe Programmer

Washington, DC · Remote

Analytica is seeking a remote  z/OS Mainframe Programmer  to support a long standing federal government project. The candidate will be responsible for designing and implementing dynamic solutions.

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 government project. The candidate will be responsible for designing and implementing dynamic solutions.

TekCommands Inc

Sr Mainframe Developer / Support

Mclean, VA · On-site

$49.50 - $63.75/hr

Experience in mainframe systems Experience in Application Support Strong communication skills A minimum 8 - 10 years of systems analysis/application development experience Background in development ...

Pace solutions inc

Mainframe - HOGAN

Washington, DC · On-site

$55.50 - $71.25/hr

Mainframe - HOGAN Tech Lead Washington DC Good programming experience in COBOL, JCL, VSAM At least 3 years' experience on Hogan Core Banking Platform Design, code, new programs for online and batch ...

Pace solutions inc

Mainframe - HOGAN

Washington, DC · On-site

$55.50 - $71.25/hr

Company Description Mainframe - HOGAN Tech Lead Washington DC Good programming experience in COBOL, JCL, VSAM At least 3 years' experience on Hogan Core Banking Platform Design, code, new programs ...

Stem Xpert

Mainframe Tester

Mclean, VA · On-site

Mainframe Tester Location: Mclean VA and Alpharetta, GA No of Positions: 2 Position type: Contract/C2C Interview Process : Written Test + 1 Skype/in person Interview (Hence Look only Locals- VA) We ...

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Showing results 21-40

All JobsMainframe JobsMainframe Jobs in Washington, DC

Mainframe information

See Washington, DC salary details

$11

$60

$81

How much do mainframe jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for mainframe in Washington, DC is $60.46, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $68.61 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a mainframe developer, and why are they important?

To excel as a Mainframe Developer, a strong background in COBOL, JCL, mainframe operating systems (like z/OS), and database management is essential, often supported by a degree in computer science or a related field. Familiarity with tools such as IBM DB2, CICS, VSAM, and mainframe version control systems is typically required, and certifications like IBM Certified System Programmer can be advantageous. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for identifying issues and collaborating with cross-functional teams. These skills ensure reliable maintenance, development, and modernization of mission-critical legacy systems that support large-scale business operations.

Is mainframe still in demand?

Mainframe professionals are still in demand, especially in industries like finance, healthcare, and government that rely on large-scale, secure, and reliable data processing. Skills in COBOL, JCL, and mainframe security are valuable, and many organizations continue to maintain and upgrade their legacy systems, creating ongoing job opportunities for mainframe specialists.

Is mainframe a good career option?

Mainframe careers involve working with large-scale computer systems used by many organizations for critical applications. The role typically requires knowledge of programming languages like COBOL, system administration, and understanding of legacy systems, with steady demand in finance, government, and large enterprises. It can be a stable career with opportunities for specialization and certification but may require ongoing learning of evolving technologies.

What is a job in mainframe?

A mainframe job involves working with large-scale computer systems that handle critical applications and data processing for organizations. These roles typically require knowledge of mainframe operating systems like z/OS, programming skills in languages such as COBOL or JCL, and familiarity with mainframe hardware and security protocols.

What is a mainframe?

Mainframes are powerful computers used mainly by large organizations for critical applications, bulk data processing, large-scale transaction processing, and enterprise resource planning. They are known for their reliability, scalability, and security, making them essential for industries like banking, healthcare, and government. Mainframes can handle thousands of users and transactions simultaneously, supporting the core operations of many businesses.

What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?

Mainframe professionals often encounter challenges when integrating legacy systems with newer technologies, such as ensuring data compatibility, managing security protocols, and minimizing downtime during migration. These tasks require a deep understanding of both the existing mainframe architecture and the modern platforms being introduced. Collaboration with cross-functional teams—including application developers, security specialists, and project managers—is essential to ensure seamless integration and to address potential issues proactively. Staying updated on the latest integration tools and best practices also helps in overcoming these challenges efficiently.

What is the difference between Mainframe vs Mainframe Developer?

AspectMainframeMainframe Developer
Primary RoleMaintains and manages mainframe hardware and systemsDesigns, develops, and tests mainframe applications
Skills & CertificationsKnowledge of mainframe hardware, OS, and basic scriptingProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departmentsDevelopment teams within mainframe environments
Industry UsageUsed by organizations with legacy systemsDevelops and maintains those legacy systems

While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

More about Mainframe jobs
What are the most commonly searched types of Mainframe jobs in Washington, DC? The most popular types of Mainframe jobs in Washington, DC are:
What are popular job titles related to Mainframe jobs in Washington, DC? For Mainframe jobs in Washington, DC, the most frequently searched job titles are:
What job categories do people searching Mainframe jobs in Washington, DC look for? The top searched job categories for Mainframe jobs in Washington, DC are:
Mainframe jobs near you
Infographic showing various Mainframe job openings in Washington, DC as of August 2026, with employment types broken down into 34% Full Time, and 66% Contract. Highlights an 100% In-person job distribution, with an average salary of $125,748 per year, or $60.5 per hour.

Senior Mainframe Developer (COBOL)

System One

Reston, VA • Remote

$83/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 20 days ago

Job description

Senior Mainframe Developer (COBOL) Location: Primarily Remote Onsite Expectations: Monthly travel to Reston, VA for PI Planning Compensation: $83/HR Employment Type: W2 only

About the Role We’re looking for a Senior Mainframe COBOL Developer to support and enhance large-scale enterprise systems. This role is ideal for someone who thrives in a mainframe environment, enjoys solving complex problems, and is open to evolving technologies. You’ll play a key role in maintaining critical applications, supporting high-volume systems, and contributing to modernization efforts where applicable.
Work Model
  • Primarily remote
  • Must live in the DMV area or nearby states (WV, DE, PA) OR be willing to relocate
  • Ability to travel to Reston, VA approximately once per month for PI Planning
What You’ll Do
  • Design, develop, test, and maintain mainframe applications using COBOL
  • Work across core mainframe tools including CICS, JCL, TSO/ISPF, and related utilities
  • Analyze business and technical requirements to develop scalable solutions
  • Support production systems, troubleshoot issues, and resolve critical defects
  • Perform code reviews, testing, and ensure adherence to quality standards
  • Collaborate with cross-functional teams to deliver reliable, high-performing systems
  • Participate in Agile ceremonies and PI Planning sessions
  • Identify opportunities to improve performance, stability, and maintainability
  • Mentor junior developers and contribute to team best practices
What You Bring Required Experience
  • 5–8 years of mainframe development experience
  • Strong expertise in:
    • COBOL
    • CICS
    • JCL
    • TSO/ISPF
    • Mainframe change management tools (e.g., ChangeMan, Topaz)
  • Experience supporting large-scale enterprise systems
  • Ability to analyze, debug, and work with existing legacy codebases
  • Experience in Agile/Scrum environments
  • Strong problem-solving and communication skills
  • Ability to work independently and as part of a distributed team
? Candidates with prior mainframe experience (even if from 1–3 years ago) are encouraged to apply if they’re confident returning to hands-on COBOL work
Nice to Have
  • Exposure to Java or modern integration technologies
  • Experience with web services (REST/SOA)
  • Familiarity with AWS or cloud concepts
  • Experience with DevOps / CI-CD pipelines
  • Healthcare domain experience (especially working with enrollment or benefits data)
  • Experience with Git / Bitbucket
Education
  • Bachelor’s degree in Computer Science, IT, or related field
  • OR equivalent experience (additional 4 years of relevant work)

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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