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Contract Mainframe Jobs in Washington (NOW HIRING)

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating ...

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating ...

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating ...

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating ...

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating ...

.NET Mainframe Developer

Vienna, VA · Remote

$50.25 - $64.50/hr

Contract Contractor Work Model: Remote Responsibilities * Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating ...

HELP DESK

Washington, DC

$23.25 - $31.75/hr

Washington, DC (locals only) Duration: 12 months contract position Client : Direct Client The ... Experience with Mainframe operations a plus including working knowledge and skill operating z/OS ...

Showing results 21-40

Contract Mainframe information

What is a contract mainframe?

A Contract Mainframe job involves working on mainframe computer systems under a temporary or project-based contract. Professionals in this role typically handle tasks such as system maintenance, COBOL programming, database management, and performance optimization. These roles are common in industries like banking, healthcare, and government, where legacy mainframe systems are critical. Contractors may work remotely or on-site, depending on the employer's needs.

What do contract mainframe professionals do?

Contract Mainframe professionals are often brought in to support or upgrade legacy mainframe systems, handle batch processing jobs, develop and maintain COBOL programs, or assist with system integration initiatives. These roles typically involve troubleshooting critical issues, optimizing system performance, and working closely with other IT and business teams to ensure that mainframe operations align with organizational goals. Contractors may also be involved in mainframe migrations to modern platforms or data center consolidations. The work environment is often fast-paced and project-driven, requiring adaptability to rapidly changing requirements and timelines.

What skills and qualifications are needed for a contract mainframe?

To thrive as a Contract Mainframe professional, you need strong experience in mainframe technologies such as COBOL, JCL, CICS, and DB2, supported by a degree in computer science or a related field. Familiarity with tools like IBM z/OS, TSO/ISPF, and debugging or performance analysis software, as well as certifications like IBM Certified System Programmer, are highly beneficial. Excellent problem-solving abilities, communication skills, and adaptability stand out in this role due to the dynamic nature of contract engagements. These competencies are crucial for efficiently maintaining legacy systems, ensuring business continuity, and collaborating with IT and business stakeholders.

What are the most commonly searched types of Mainframe jobs in Washington?

The most popular types of Mainframe jobs in Washington are:

What are popular job titles related to Contract Mainframe jobs in Washington?

For Contract Mainframe jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Contract Mainframe jobs in Washington look for?

The top searched job categories for Contract Mainframe jobs in Washington are:

What cities in Washington are hiring for Contract Mainframe jobs?

Cities in Washington with the most Contract Mainframe job openings:

Infographic showing various Contract Mainframe job openings in Washington as of August 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 100% In-person job distribution.

Mainframe Computer Operator / Shift Lead

JLGOV LLC

Washington, DC • On-site

$27.78 - $30.48/hr

Contractor

Posted 12 days ago


Job description

**** PLEASE READ IN IT'S ENTIRETY ****


Mainframe Computer Operator / Shift Lead

Location: Washington, DC
Work Arrangement: 100% Onsite
Schedule: Monday-Friday
Shifts: 7:00 AM-3:30 PM or 3:00 PM-11:30 PM
Employment Type: Full-Time
Anticipated Start: December 2026
Starting Compensation: $27.78 - 30.48/hour, plus applicable benefits and fringe

Position Summary

JLGOV is seeking experienced Mainframe Computer Operators to support onsite production operations in a federal mainframe data center. This role requires direct experience with production printing, JCL/TSO operations, job monitoring, troubleshooting, and Production Control support.

Required Qualifications

  • Mainframe or enterprise data center operations experience.
  • Hands-on experience with high-speed laser printers, impact printers, and bursters.
  • Working knowledge of JCL and TSO/ISPF.
  • Experience submitting, monitoring, tracking, and troubleshooting production jobs.
  • Production Control or batch-processing experience.
  • Ability to troubleshoot routine printer and processing issues.
  • Reliable attendance and ability to work the full onsite shift.

Core Duties

  • Operate production printers and bursters.
  • Load paper, toner, developer, and forms.
  • Submit and monitor jobs using JCL within TSO/ISPF.
  • Organize and route completed print output.
  • Support Production Control activities.
  • Escalate equipment or system issues.
  • Maintain an orderly production area and support shift continuity.

Shift Lead Duties

Shift Leads perform all operator duties and also coordinate shift activities, monitor work completion, support turnover, and escalate unresolved issues.

Preferred Experience

  • Federal data center experience.
  • High-volume production printing.
  • Prior Computer Operator, Production Control Operator, Data Center Operator, or Shift Lead experience.
  • Experience working from SOPs, run books, or production schedules.

Additional Requirements

  • 100% onsite in Washington, DC.
  • No remote or hybrid work.
  • Must successfully complete required background screening, credit review, and drug testing.
  • Employment is contingent upon contract award and Government onboarding requirements.

General help desk, desktop support, or cybersecurity experience alone does not meet the core requirements.

About JLGOV

JLGOV LLC provides IT, systems operations, cybersecurity, program support, and mission-focused professional services to federal and commercial customers.

JLGOV is an Equal Opportunity Employer.