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As 400 Computer Operator Jobs in Washington, DC (NOW HIRING)

M&J Engineering

CAD Operator

Arlington, VA

$22.25 - $30.50/hr

M&J is seeking a CAD Operator to provide drafting, design, and technical drawing support for WMATA ... Prepare as-built drawings, design revisions, and redline updates based on field data and ...

M&J Engineering

CAD Operator

Arlington, VA · On-site

$22.25 - $30.50/hr

M&J is seeking a CAD Operator to provide drafting, design, and technical drawing support for WMATA ... Prepare as-built drawings, design revisions, and redline updates based on field data and ...

M&J Engineering

CAD Operator

Arlington, VA · On-site

$22.25 - $30.50/hr

M&J is seeking a CAD Operator to provide drafting, design, and technical drawing support for WMATA ... Prepare as-built drawings, design revisions, and redline updates based on field data and ...

KEYSTONE FREIGHT CORP

Dispatch Manager

Jessup, MD

As a family-owned and operated company, NRS has delivered smart logistics solutions to numerous ... Advanced knowledge of AS-400 and intermediate computer skills * Proficient with Microsoft Word ...

Keystone Freight Corp.

Dispatch Manager

Jessup, MD · On-site

As a family-owned and operated company, NRS has delivered smart logistics solutions to numerous ... Advanced knowledge of AS-400 and intermediate computer skills * Proficient with Microsoft Word ...

Ciena

Lead Solution Architect (Anaplan)

Hanover, MD · On-site

$91K - $145K/yr

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our ... The annual pay range for this position is $91,000 - $145,400 CAD #LI-WH1 Pay ranges at Ciena are ...

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Showing results 41-60

All JobsAs 400 Computer Operator JobsAs 400 Computer Operator Jobs in Washington, DC

As 400 Computer Operator information

See Washington, DC salary details

$15

$27

$42

How much do as 400 computer operator jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for as 400 computer operator in Washington, DC is $27.61, according to ZipRecruiter salary data. Most workers in this role earn between $21.49 and $31.06 per hour, depending on experience, location, and employer.

What is the difference between As 400 Computer Operator vs AS/400 System Administrator?

AspectAs 400 Computer OperatorAS/400 System Administrator
CredentialsTypically requires a high school diploma or equivalent; certifications like IBM Certified System Operator are commonRequires similar certifications plus additional skills in system management and networking
Work EnvironmentOperates on the AS/400 mainframe, monitoring system operationsManages, maintains, and configures the AS/400 system environment
Job ResponsibilitiesRuns scheduled jobs, monitors system performance, handles basic troubleshootingPerforms system setup, troubleshooting, security management, and performance tuning

While both roles work with the IBM AS/400 system, the As 400 Computer Operator primarily monitors and runs scheduled tasks, whereas the AS/400 System Administrator handles system management, configuration, and troubleshooting. The administrator role requires more technical expertise and responsibilities.

What are popular job titles related to As 400 Computer Operator jobs in Washington, DC?

For As 400 Computer Operator jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching As 400 Computer Operator jobs in Washington, DC look for?

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As 400 Computer Operator jobs near you
Infographic showing various As 400 Computer Operator job openings in Washington, DC as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, 3% Contract, and 1% Nights. Highlights an 78% Physical, 2% Hybrid, and 20% Remote job distribution, with an average salary of $57,427 per year, or $27.6 per hour.

Lead Mainframe Computer Operator - High-Speed Print Operations

Connexus Hub

Washington, DC • On-site

$19.25 - $23.25/hr

Other

Posted yesterday

New

Job description

About the role
Connexus Hub is building a team to run mainframe data center operations for a federal agency in downtown Washington, DC. This is hands-on production operations work in a high-volume print environment, not a help desk and not a systems engineering role. The Lead runs the shift: same duties as the operators, plus responsibility for how the shift goes.
Shift 1: 7:00 AM - 3:30 PM, Mon-Fri | Shift 2: 3:00 PM - 11:30 PM, Mon-Fri
Location: Washington, DC 20401. On-site, 100%. Not remote or hybrid
What you will do
• Operate and maintain high-speed laser printers, impact printers and bursters in a mainframe data center
• Set up printers from mainframe console instructions; load paper, toner and developer; swap forms and media
• Submit, schedule, monitor and track jobs using JCL within TSO; troubleshoot in TSO/ISPF
• Monitor and respond to console and error messages, and restart or recover jobs as needed
• Pull, organize and distribute completed print output to end users on schedule
• Communicate directly with the operating system and printer maintenance vendors when hardware or system faults occur
• Unload paper and form stock, keep the printer area clean and organized, and notify the baling room when recycle bins fill
• Support Production Control staff and provide day-to-day leadership, training and coverage decisions on shift
What you need
• Direct hands-on experience with high-speed laser printers, impact printers and burster equipment.
• Working command of TSO/ISPF and JCL for job submission, monitoring, restart and recovery
• Experience leading or training junior operators on a shift
• Reliable attendance on a fixed shift, including the 3:00 PM - 11:30 PM swing shift
• High school diploma or equivalent. Bachelor's degree preferred
• Able to lift and move boxes of paper and form stock, and to stand and walk for most of a shift
• US work authorization and ability to pass a federal suitability check and badging
Nice to have
• Prior work in a federal or government print or publishing operation
• z/OS, JES2 or JES3 exposure
• Experience with report distribution systems and forms management

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