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Mainframe Z Os System Programmer Jobs in Washington

Delan Associates, Inc

Mainframe Developer

Mclean, VA · On-site

$49.50 - $63.75/hr

... system upgrades, migrations, and application modernization initiatives Maintain technical ... z/OS File-AID Endevor, Changeman, or ISPW SDSF SPUFI Database DB2 SQL Version Control Endevor ...

System One

Technology Management I

Washington, DC · Remote

$94.87/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... AWS, mainframe z/OS/Endevor, and enterprise middleware such as WebLogic/WebSphere, Oracle ... Bachelor's degree in Computer Science, Computer Engineering, Information Systems, Electrical ...

System One

Technology Management I

Washington, DC · Remote

$94.87/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... AWS, mainframe z/OS/Endevor, and enterprise middleware such as WebLogic/WebSphere, Oracle ... Bachelor's degree in Computer Science, Computer Engineering, Information Systems, Electrical ...

System One

Technology Management I

Washington, DC · Remote

$94.87/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... AWS, mainframe z/OS/Endevor, and enterprise middleware such as WebLogic/WebSphere, Oracle ... Bachelor's degree in Computer Science, Computer Engineering, Information Systems, Electrical ...

System One

Database SME

Greenbelt, MD · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... IBM z/OS mainframe, COBOL, JCL, disaster recovery strategies, and system architecture * 6+ years of experience in highly specialized IT disciplines * 6+ years of experience in database programming ...

System One

Database SME

Greenbelt, MD · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... IBM z/OS mainframe, COBOL, JCL, disaster recovery strategies, and system architecture * 6+ years of experience in highly specialized IT disciplines * 6+ years of experience in database programming ...

System One

Database SME

Greenbelt, MD · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... IBM z/OS mainframe, COBOL, JCL, disaster recovery strategies, and system architecture * 6+ years of experience in highly specialized IT disciplines * 6+ years of experience in database programming ...

System One

Technology Management I

Washington, DC · Remote

$94.87/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... AWS, mainframe z/OS/Endevor, and enterprise middleware such as WebLogic/WebSphere, Oracle ... Bachelor's degree in Computer Science, Computer Engineering, Information Systems, Electrical ...

System One

Database SME

Greenbelt, MD · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... IBM z/OS mainframe, COBOL, JCL, disaster recovery strategies, and system architecture * 6+ years of experience in highly specialized IT disciplines * 6+ years of experience in database programming ...

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Mainframe Z Os System Programmer information

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How much do mainframe z os system programmer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for mainframe z os system programmer in Washington is $65.89, according to ZipRecruiter salary data. Most workers in this role earn between $59.90 and $76.25 per hour, depending on experience, location, and employer.

What is a mainframe z/os system programmer?

A Mainframe Z OS System Programmer is an IT professional responsible for installing, configuring, maintaining, and troubleshooting IBM mainframe systems running the z/OS operating system. They ensure the mainframe environment is stable, secure, and optimized for performance, supporting critical business applications. Their duties include system upgrades, applying patches, disaster recovery planning, and providing technical support to other IT teams. This role is crucial for organizations that rely on mainframe computing for large-scale transaction processing and data management.

What are the key skills and qualifications needed to thrive as a mainframe z/os system programmer?

To thrive as a Mainframe Z/OS System Programmer, you need deep expertise in IBM mainframe operating systems, programming languages like Assembler and REXX, and a strong foundation in systems administration, usually supported by a relevant degree or equivalent experience. Familiarity with tools such as IBM SMP/E, TSO/ISPF, JCL, and mainframe security systems is essential, and certifications like IBM Certified System Programmer can be beneficial. Analytical thinking, attention to detail, and effective problem-solving are key soft skills that help professionals excel in troubleshooting and collaborating with technical teams. These skills and qualifications are crucial for ensuring reliable, secure, and efficient mainframe operations that support critical business processes.

What are some common challenges faced by mainframe z/os system programmers, and how can they be addressed?

Mainframe Z/OS System Programmers often encounter challenges such as managing system upgrades, ensuring high availability, and troubleshooting complex performance issues. Keeping up with evolving technologies and integrating new software with legacy systems can also be demanding. To address these challenges, programmers typically work closely with application developers, attend ongoing training, and utilize robust monitoring tools. Collaboration and strong communication within cross-functional teams are key to maintaining system stability and implementing updates smoothly.

What are popular job titles related to Mainframe Z Os System Programmer jobs in Washington?

For Mainframe Z Os System Programmer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Mainframe Z Os System Programmer jobs in Washington look for?

The top searched job categories for Mainframe Z Os System Programmer jobs in Washington are:

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Cities in Washington with the most Mainframe Z Os System Programmer job openings:

Mainframe Z Os System Programmer jobs near you

Mainframe Developer

Delan Associates, Inc

Mclean, VA • On-site

$49.50 - $63.75/hr

Full-time

Re-posted 16 days ago

Job description

Position: Mainframe Developer (Banking Domain)

Location: McLean, VA (Onsite, 5 days/week)

Note: This position is open to local candidates in McLean, VA only. Face-to-face (F2F) interviews are mandatory, so candidates must be available to attend an in-person interview.

Job Summary

We are seeking an experienced Mainframe Developer with strong expertise in the Banking domain to design, develop, maintain, and support mission-critical mainframe applications. The ideal candidate should have hands-on experience with COBOL, JCL, DB2, CICS, VSAM, and IBM mainframe technologies, along with a solid understanding of banking processes such as deposits, loans, payments, cards, or core banking.

Key Responsibilities

Design, develop, test, and maintain IBM Mainframe applications

Analyze business and functional requirements and convert them into technical solutions

Develop and enhance applications using COBOL, JCL, CICS, DB2, and VSAM

Create and modify JCLs for batch processing and job scheduling

Perform code reviews, unit testing, integration testing, and production support

Troubleshoot production issues and perform root cause analysis

Optimize application performance and improve batch processing efficiency

Work with business analysts, QA teams, and stakeholders throughout the SDLC

Participate in system upgrades, migrations, and application modernization initiatives

Maintain technical documentation and follow development standards

Required Skills

Mainframe Technologies

COBOL

JCL (Job Control Language)

CICS

DB2

VSAM

IMS (preferred)

TSO/ISPF

IBM z/OS

File-AID

Endevor, Changeman, or ISPW

SDSF

SPUFI

Database

DB2

SQL

Version Control

Endevor

Changeman

Git (preferred)

Scheduling Tools

CA-7

Control-M

OPC/TWS (preferred)