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Mainframe Development Jobs in Washington (NOW HIRING)

Apex Systems

Mainframe Engineer

Merrifield, VA · On-site

$49 - $62.75/hr

Job#: 3046406 Mainframe Engineer Location: Merrifield, Virginia (Hybrid) or Remote U.S. Role ... Experience with OMEGAMON situation development, alerting, and monitoring customization.

Stem Xpert

Mainframe Tester

Mclean, VA

... spectrum from Application Development/Maintenance, testing, IT Consulting & staffing for ... Title: Mainframe Tester Location: Mclean VA and Alpharetta, GA No of Positions: 2 Position type:

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 ... development funds, and 401k match. Responsibilities include (but not limited to): * Develop ...

Analytica

z/OS Mainframe Programmer

Washington, DC · Remote

... development funds, and 401k match.  Responsibilities include (but not limited to): * Develop, maintain, and enhance legacy mainframe applications that support IRS tax processing, compliance, and ...

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 ... Hogan, COBOL, DB2, JCL, VSAM, Mainframe Utilities NOTE: ONLY US CITIZEN's OR GREEN CARD HOLDERS.

System One

Mainframe Engineer

Merrifield, VA · Remote

... development, and SA policy database maintenance. * Develop enterprise automation solutions using ... Support mainframe and distributed systems, identifying automation opportunities and enhancing ...

AMERICAN SYSTEMS

Mainframe System Programmer

Mclean, VA

$120K - $140K/yr

... mainframe systems. Supports both OS and hardware upgrades, cloud initiatives, disaster recovery ... Develop on-the-job training (OJT) programs on new developments in technology and software packages.

AMERICAN SYSTEMS

Mainframe System Programmer

Mclean, VA · On-site +1

$120K - $140K/yr

... mainframe systems. Supports both OS and hardware upgrades, cloud initiatives, disaster recovery ... Develop on-the-job training (OJT) programs on new developments in technology and software packages.

Morgan Stanley

Mainframe CICS Systems Engineer

Mclean, VA · On-site

$49.50 - $63.75/hr

ETS provides capabilities for all stages of Morgan Stanley's software development lifecycle ... The Mainframe CICS Systems Programmer/Engineer is responsible for all phases of CICS engineering ...

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Showing results 21-40

All JobsMainframe Development JobsMainframe Development Jobs in Washington

Mainframe Development information

See Washington salary details

$30.6K

$97.3K

$154.6K

How much do mainframe development jobs pay per year?

As of Sep 8, 2026, the average yearly pay for mainframe development in Washington is $97,341.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,767.00 and $120,250.00 per year, depending on experience, location, and employer.

What is the difference between Mainframe Development vs Mainframe Testing?

AspectMainframe DevelopmentMainframe Testing
Primary FocusDesigning, coding, and maintaining mainframe applicationsVerifying and validating mainframe applications for bugs and performance
Required SkillsCOBOL, JCL, DB2, CICSTesting tools, scripting, debugging, knowledge of mainframe environments
Work EnvironmentDevelopment teams, coding in mainframe environmentsQuality assurance teams, testing labs, mainframe systems
CertificationsCOBOL certifications, IBM mainframe certificationsISTQB, mainframe testing certifications

While Mainframe Development involves creating and maintaining mainframe applications, Mainframe Testing focuses on ensuring those applications work correctly and efficiently. Both roles require knowledge of mainframe environments and related skills, but they serve different stages in the software lifecycle.

Is mainframe development a good career?

Mainframe development is a stable career with high demand in industries like finance and government that rely on legacy systems. It requires knowledge of languages such as COBOL and tools like JCL, and often offers competitive salaries and job security due to the specialized skills involved.

Is mainframe development still in demand?

Mainframe development remains in demand in industries such as finance, government, and healthcare that rely on legacy systems for critical operations. Skilled mainframe developers with knowledge of COBOL, JCL, and mainframe environments are sought after to maintain and modernize these systems, ensuring their continued relevance in enterprise IT infrastructure.

What does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work in environments that require high reliability and security, and typically collaborate with system administrators and analysts to ensure smooth operation of enterprise systems.
Mainframe Development jobs near you
Infographic showing various Mainframe Development job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 11% Part Time, 2% Temporary, and 6% Contract. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $97,341 per year, or $46.8 per hour.

Mainframe Engineer

Apex Systems

Merrifield, VA • On-site

$49 - $62.75/hr

Other

Medical, Dental, Vision, Life, Retirement

Posted 24 days ago

Job description

Job#: 3046406
Job Description:
Mainframe Engineer
Location: Merrifield, Virginia (Hybrid) or Remote U.S.
Role Overview
This position requires a strong ability to investigate operational, technical, and business problems to recommend reliable automation solutions. The role involves communicating complex system and automation information to technical teams, business partners, and upper management. The ideal candidate will demonstrate proficiency in leading, guiding, and mentoring others while promoting technical best practices and process improvement.
Key Responsibilities
  • Investigate operational, technical, and business problems; analyze requirements; and recommend reliable automation solutions.
  • Lead, guide, and mentor others while promoting technical best practices, process improvement, and operational efficiency.
  • Develop enterprise automation solutions, command processors, automation routines, and operational tooling using REXX programming.
  • Design, implement, and support automation across z/OS subsystems and middleware platforms such as CICS, Db2, IMS, JES2/JES3, MQ, and TCP/IP.
  • Develop automation for CICS availability, recovery, startup, shutdown, restart, and health monitoring.
  • Integrate automation with monitoring and event management tools such as IBM OMEGAMON, ServiceNow, and Moogsoft.
  • Identify and implement automation opportunities across IBM z/Series, UNIX, and Windows operating systems.
  • Support high-availability, recovery, restart, and self-healing automation solutions.
  • Reduce manual intervention, improve operational reliability, and deliver scalable automation solutions.
  • Participate in an on-call rotation as required.
Required Qualifications
Experience:
  • Expert-level experience with IBM System Automation for z/OS, including administration, configuration, and policy development.
  • Advanced REXX programming experience developing enterprise automation solutions.
  • Strong experience with IBM NetView, including automation tables, message automation, and command lists.
  • Experience with IBM Workload Scheduler (IWS, TWS, ZWS) and workload automation processes.
  • Strong knowledge of Parallel Sysplex environments, cross-system automation concepts, JCL, SDSF, TSO/ISPF, and z/OS operations.
  • Experience managing, monitoring, and supporting mainframe and/or distributed systems, business applications, and infrastructure platforms.

Technical Skills:
  • IBM System Automation for z/OS
  • REXX
  • IBM NetView
  • z/OS subsystems: CICS, Db2, IMS, JES2/JES3, MQ, TCP/IP
  • IBM Workload Scheduler
  • Familiarity with z/OS UNIX System Services (USS/OMVS)

Preferred Qualifications
  • Bachelor's degree in Information Technology or equivalent combination of education and experience.
  • Experience with OMEGAMON situation development, alerting, and monitoring customization.
  • Experience with GDPS and disaster recovery automation.
  • Experience with SMP/E maintenance and z/OS system programming concepts.
  • Familiarity with Ansible, REST APIs, and mainframe modernization technologies.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
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