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Mainframe developer Jobs in Washington, DC

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Mainframe developer • washington dc

Last updated: 1 day ago

Developer

SiloSmashersArlington, VA, USA
Full-time
Quick Apply

DHS suitability clearance, as required by federal contract.The Developer will support DHS CISA by designing, building, and maintaining secure applications that enable mission-critical operations an... Show more

Mainframe Engineer

Quantum World Technologies IncMcLean, VA, United States
Full-time
Quick Apply

MsoPlainText">Role Descriptions: The Mainframe engineers responsibilities include:</p> <p class="MsoPlainText">Technical Lead for Mainframe Platform (z/OS| Dell Storag... Show more

Web Developer

TradeJobsWorkForce22214 Arlington, VA, US
Full-time

Web Developer Job Duties: Regular exposure to business stakeholders and executive management,... Show more

 • Promoted

Software Developer

Booz Allen HamiltonArlington, VA
$69,300.00 yearly
Full-time +1

Are you looking for an opportunity to not just develop software, but to help build a system that will have a positive impact? As a full-stack developer, you can solve a problem with a complete end-... Show more

Unity Developer

Rios PartnersArlington, VA, US
$85.00 hourly
Part-time

Rios Partners is a mission-driven consulting firm creating positive change by delivering value for our clients, investing in our employees, and solving tough problems that benefit our local and glo... Show more

.NET Developer

AretumMcLean, VA, US
Remote
Full-time
Quick Apply

Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors.Our teams work at t... Show more

.Net Developer

SAICArlington, VA, US
Full-time

NET Software Engineer/Developer will design, develop, and maintain web applications using the.The successful candidate will integrate software solutions with Oracle databases, support production en... Show more

Mainframe Infra Engineer

Surgetech INC.McLean, VA, United States
Full-time
Quick Apply

Job Summary:</b></p> <p>We are seeking a senior Mainframe z/OS Technical Lead to act as the client-side SME overseeing outsourced mainframe services and guiding a small internal t... Show more

z/OS Mainframe Programmer

AnalyticaWashington, DC, US
Full-time
Quick Apply

Analytica is seeking a remote  z/OS Mainframe Programmer  to support a long standing federal government project.The candidate will be responsible for designing and implementing dynamic ... Show more

SharePoint Developer

H2 Performance ConsultingWashington, DC, US
Full-time
Quick Apply

H2 Performance Consulting is subject to the Vietnam Era Veteran's Readjustment Assistance Act as a Federal Contractor and is an Equal Opportunity/Affirmative Action Employer and strives to build a ... Show more

Mainframe Developer- COBOL & JCL

Purple DriveMcLean, VA, Virginia, USA
Full-time

Must Have Technical/Functional Skills</p> <p> </p> <p>· Strong hands-on experience with COBOL (Batch & Online)</p> <p>· Proficient in JCL ... Show more

Mainframe Systems Engineer (zOS Mainframe Internals, Parallel Sysplex, Hardware & Storage) Remote

Norfolk SouthernWashington, DC, US
Remote
Full-time

Requisition 39683: B4 Mainframe Systems Engineer.A resume helps you stand out to hiring managers and recruiters; your resume communicates your experience and your brand.While it is not required, we... Show more

Senior Sales Engineer - Mainframe and z/OS

RocketWashington, DC, United States
Full-time

It's fun to work in a company where people truly BELIEVE in what they're doing!.The Senior Sales Engineering role will support Account Executives in new and existing partner relationships, as well ... Show more

Software Developer

00100 LEIDOS, INC.Bethesda, MD
$67,600.00 yearly
Full-time +1

Ready to break away from the ordinary and dive into an extraordinary career? At Leidos' High Fidelity Simulation Business Area, we’re not just building systems—we’re revolutionizing the future of n... Show more

CNO Developer

AeroVironmentArlington, Virginia
$140,000.00 yearly
Full-time +1

This role works closely with analysts and operators to design, build, and refine mission-critical tools.Enhance and extend existing CNO toolsets and capabilities.Design and develop prototypes to va... Show more

Lead Mainframe System Engineer

Momento USAMcLean, VA, United States
Full-time
Quick Apply

Job Title: Lead System Engineer</b></p> <p><b>Location: Preferred Location: McLean VA </b></p> <p>Start Date: 07/01/2026</p> <p>End Date: 06/3... Show more

ServiceNow Developer

BCMCFalls Church, VA, US
Full-time
Quick Apply

BCMC is looking for individuals with mid-level ServiceNow Developer experience to support customer environment operations.Responsibilities may include, but are not limited to:.Supports the tec... Show more

Mainframe Developer

The Judge GroupMcLean, VA
$150,000.00 yearly
Full-time +1

Strong hands-on experience with COBOL (Batch & Online).Proficient in JCL including job scheduling, utilities, and restart/recovery.Experience with IBM z/OS Mainframe environment.Good working knowle... Show more

Technical IBM Mainframe Applications/Systems Analyst

rockITdataArlington, VA, US
Full-time
Quick Apply

Driven by Innovation and built on Trust, rockITdata is a unique SDVOSB services company that partners with leading commercial healthcare/life sciences organizations on cutting edge innovations - th... Show more

Software Developer

NeoMaxMcLean, VA, US
Full-time

Job Description</h3><br /><p>We are seeking a Software Developer who can work in a quick-paced, dynamic, agile software development environment.You will collaborate on a team on m... Show more

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The cities near Washington, DC that boast the highest number of mainframe developer jobs are:
Developer

Developer

SiloSmashersArlington, VA, USA
30+ days ago
Job type
  • Full-time
  • Quick Apply
Job description

Developer

Location: Arlington, VA
Clearance: Must be a U.S. citizen and able to obtain and maintain DHS suitability clearance, as required by federal contract.

Summary:
The Developer will support DHS CISA by designing, building, and maintaining secure applications that enable mission-critical operations and modernization efforts.

Responsibilities:

  • Write, test, and maintain application code following secure coding standards.

  • Participate in Agile sprints and contribute within DevSecOps environments.

  • Troubleshoot software issues, resolve bugs, and provide technical support.

  • Collaborate with cross-functional teams to integrate solutions into enterprise systems.

  • Prepare and maintain technical documentation for developed applications.

Qualifications:

  • Bachelor's degree in Computer Science, Engineering, or related field.

  • 2–4 years of experience in software development.

  • Hands-on experience with Java, Python, or C#.

  • Familiarity with cloud platforms (AWS, Azure) and secure development practices.

  • Strong problem-solving and communication skills.



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