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Mainframe Developer Jobs in Washington (NOW HIRING)

System One Holdings, LLC

Java Mainframe Developer

Vienna, VA · On-site

$57.50 - $73.25/hr

Java Developer Location: Remote Type: Contract Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on ...

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.

Navy Federal Credit Union

Senior Mainframe Engineer

Vienna, VA · On-site +1

$49.25 - $63.25/hr

The ideal candidate will have a minimum of 7 years of work experience in mainframe CICS and / or WebSphere MQ systems programming. This position is eligible for the TalentQuest employee referral ...

Deloitte

Mainframe Techno/Functional Manager

Washington, DC · Hybrid

$55.50 - $71.25/hr

Engineering as a Service provides complete design, implementation, and technology operations ... As an experienced Mainframe Techno/Functional Manager ,you will have the ability to share new ideas ...

Deloitte

Mainframe Techno/Functional Manager

Mclean, VA · Hybrid

$49.50 - $63.75/hr

Engineering as a Service provides complete design, implementation, and technology operations ... As an experienced Mainframe Techno/Functional Manager ,you will have the ability to share new ideas ...

Omm IT Solutions

Mainframe Computer Operator

Washington, DC

$55.25 - $71/hr

Load and unload paper, toner, and developer; ensure proper supply management. \n * Remove, organize ... Familiarity with mainframe console operations. \n * Ability to operate and maintain high\-speed ...

Navy Federal Credit Union

Senior Mainframe Engineer

Vienna, VA · On-site

$49.25 - $63.25/hr

The ideal candidate will have a minimum of 7 years of work experience in mainframe CICS and / or WebSphere MQ systems programming. This position is eligible for the TalentQuest employee referral ...

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 ...

Pace solutions inc

Mainframe - HOGAN

Washington, DC

$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 ...

Avance Consulting Services

MainFrame

Mclean, VA

It provides strategic business consulting, technology, engineering and outsourcing services to help ... Qualifications MainFrames,Cobol,JCL,ISPW Additional Information All your information will be kept ...

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Mainframe Developer information

See Washington salary details

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How much do mainframe developer jobs pay per hour?

As of Jun 10, 2026, the average hourly pay for mainframe developer in Washington 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 is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges Mainframe Developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What are Mainframe Developers?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

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

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.
What are the most commonly searched types of Mainframe Developer jobs in Washington? The most popular types of Mainframe Developer jobs in Washington are:
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What cities in Washington are hiring for Mainframe Developer jobs? Cities in Washington with the most Mainframe Developer job openings:
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Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Washington as of June 2026, with employment types broken down into 89% Full Time, 7% Part Time, and 4% Contract. Highlights an 78% Physical, 7% Hybrid, and 15% Remote job distribution, with an average salary of $125,748 per year, or $60.5 per hour.

Lead Mainframe Platform Engineer

Prophecy Technologies

Mclean, VA • On-site

Full-time

Posted 5 days ago

Job description

Role Overview:
The Mainframe Engineer will serve as a Technical Lead for the Mainframe Platform, overseeing operations, changes, and sustainability upgrade projects. This role involves acting as a technical Subject Matter Expert (SME) for Freddie Mac, interfacing with Managed Service Suppliers, and ensuring governance and oversight of contractual SLAs.
Key Responsibilities:
  • Serve as Technical Lead for Mainframe Platform (z/OS, Dell Storage, IMS, DB2, RACF, CA JobTrac) to govern operations, changes, and sustainability upgrade projects.
  • Act as an interface between Freddie Mac teams and Managed Service Supplier for issue resolution and change coordination.
  • Accountable for governance and oversight on contractual SLAs and key metrics.
  • Perform technical review, validation, coordination, and compliance assurance for Vendor Managed and business requested Mainframe infrastructure changes.
  • Execute risk management controls, Baseline Security Compliance activities, and audit support, involving technical review and execution of z/OS, IMS, DB2, and zSecure subsystems, including RACF security.
  • Work as a client-side technical SME for Mainframe infrastructure subsystems, holding the Managed Service Provider accountable.
  • Demonstrate flexibility for unscheduled engagement to lead and drive major incident resolutions and planned after-hour releases.
  • Perform root cause analysis with corrective and preventive measures.
  • Identify technical risks to planned system upgrades and implement mitigations.
  • Review completion and implementation of system upgrades and/or enhancements and make recommendations for improvement.
  • Identify, analyze, and resolve system problems.

Required Skills:
  • 5+ years of hands-on experience in mainframe infrastructure engineering.
  • Knowledge of z/OS architectures and z/OS internals.
  • Knowledge of mainframe security and RACF.
  • Knowledge of IBM Mainframe System - JCL, CICS, SQL, z/OS, DB2, IMS, VSAM, XML, TSO/ISPF, zconnect.

Qualifications:
  • 5+ years of hands-on experience in mainframe infrastructure engineering.

Preferred Skills:
  • Knowledge of the zSecure tool and its language, Carla, for customization.
  • Knowledge of mainframe security related to supporting audits and findings in reference to BSCs and key managements.
  • Proactive approach and ability to think creatively and execute in a manner that respects and meets appropriate internal controls.

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