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Entry Level Z Os Mainframe Systems Programmer Jobs in Washington

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Mainframe infrastructure engineering

Mclean, VA · Remote

$50.25 - $64.50/hr

... systems programmer (sysprog) who will be the system administrator for enterprise-level computers. Responsibility: * Install, customize, and maintain mainframe operating systems (like IBM z/OS)

Be Seen First

Mainframe infrastructure engineering

Mclean, VA · Remote

$50.25 - $64.50/hr

... systems programmer (sysprog) who will be the system administrator for enterprise-level computers. Responsibility: * Install, customize, and maintain mainframe operating systems (like IBM z/OS)

Mainframe System Programmer

Mclean, VA · On-site +1

$120K - $140K/yr

... for an IBM mainframe environment. * Demonstrated System programmer experience managing and ... Experience working with z/OS Systems (z/OS 2.4), Pageant encryption setup and configuration.

Mainframe System Programmer

Mclean, VA · On-site

$120K - $140K/yr

... for an IBM mainframe environment. * Demonstrated System programmer experience managing and ... Experience working with z/OS Systems (z/OS 2.4), Pageant encryption setup and configuration.

Mainframe Engineering

Mclean, VA · On-site

$40 - $45/hr

Title : Mainframe Engineering Location : McLean, VA Required Knowledge * z/OS architectures and ... IBM Mainframe Systems: JCL, CICS, SQL, z/OS, DB2, IMS, VSAM, XML, TSO/ISPF. Keys to Success in this ...

Mainframe Developer

Mclean, VA · On-site

$49.75 - $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 ...

Engineer

Mclean, VA · On-site

$130K - $140K/yr

... with IBM z/OS Mainframe environment • Good working knowledge of CICS for online transaction ... union systems (Accounts, Loans, Payments preferred) • Exposure to Change & Configuration ...

Java EE framework and system development * Experience with use cases, process flows, and UML ... IBM Content Manager, Rational Application Developer, Clear Case, Clear Quest, DB2 on z/os, AIX.

Overview VTG is seeking for a Systems Engineer for a technical development program supporting two ... Linux OS configuration, patching, and maintenance * Identify and suggest risk mitigation techniques

... engineering and systems integration. Our tightly integrated offerings are tailored to each clients ... Title: Mainframe Tester Location: Mclean VA and Alpharetta, GA No of Positions: 2 Position type:

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Entry Level Z Os Mainframe Systems Programmer information

What is the difference between Entry Level Z Os Mainframe Systems Programmer vs Mainframe Systems Analyst?

AspectEntry Level Z Os Mainframe Systems ProgrammerMainframe Systems Analyst
Required CredentialsAssociate's/Bachelor's in Computer Science or related field, basic knowledge of mainframe OSBachelor's in IT or related, understanding of mainframe systems and user requirements
Work EnvironmentHands-on coding, system configuration, and maintenance on mainframe environmentsAnalyzing user needs, system optimization, and coordinating with programmers
Employer & Industry UsageFinancial institutions, government agencies, large corporations using mainframesOrganizations managing mainframe systems, often in banking, insurance, or government sectors

While both roles work within mainframe environments, the Entry Level Z Os Mainframe Systems Programmer focuses on coding, configuring, and maintaining mainframe OS, whereas the Mainframe Systems Analyst concentrates on analyzing system needs and optimizing performance. The programmer role is more technical and hands-on, while the analyst role involves more planning and communication with stakeholders.

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Infographic showing various Entry Level Z Os Mainframe Systems Programmer job openings in Washington as of July 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 100% In-person job distribution.

Z/OS Systems Programmer

PTY TECH, LLC

Annapolis Junction, MD • On-site

$150K - $170K/yr

Full-time

Re-posted 16 days ago


Job description

z/OS Systems Programmer

Location: Annapolis Junction MD - Hybrid role (2 days on site)

Security Clearance Requirement: Active Secret Clearance

Assignment Type: Full-time FTE

Salary Range: $150,000 to $170,000 annually.

Positions: 5

Locals required: yes

Visa: USC

Executive Summary: z/OS Systems Programmer to support, maintain, and enhance the client’s IBM mainframe environment, ensuring the stability, security, and performance of mission-critical systems.

Position Description: We are seeking an experienced z/OS Systems Programmer to support, maintain, and enhance the client’s IBM mainframe environment. The ideal candidate will have deep technical expertise in z/OS, subsystem configuration, system tuning, and operational support in a mission critical environment. This role ensures the stability, security, and performance of mainframe systems across production, test, and development environments.

Position Job Duties:

  • z/OS Installation & Maintenance: Install, configure, and maintain z/OS and related IBM system software; manage SMP/E processes and PTF/RSU installations; maintain PARMLIB/PROCLIB and plan IPLs.

  • Subsystem Administration: Support and tune subsystems such as JES2/JES3, CICS, DB2, MQ, and IMS; troubleshoot subsystem issues to ensure performance and availability.

  • Performance & Capacity Management: Perform workload analysis using RMF/SMF; tune WLM policies; provide recommendations to optimize CPU, memory, I/O, and storage utilization.

  • Storage & I/O Configuration: Work with storage teams on SMS/HSM and DASD management; support IODF/HCD updates; validate TS7700/VTL replication.

  • Security & Compliance: Support RACF rules and digital certificates; assist with STIG compliance and vulnerability remediation; ensure configurations align with regulatory standards.

  • Automation & Operations: Develop automation scripts (REXX, CLIST, SA/Ops); support job scheduling; integrate with monitoring and alerting tools.

  • Incident & Change Management: Provide Tier III support for escalated issues; conduct root cause analysis (RCA); participate in change management and DR tests.

  • Documentation & Collaboration: Create technical documentation and SOPs; collaborate with cross-functional teams; assist in modernization and cloud integration initiatives.