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Mainframe developer Jobs in Washington, DC

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Mainframe developer • washington dc

Last updated: 5 hours 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

 • New!

Salesforce Developer

Yudrio, IncWashington, District of Columbia, United States
Full-time

Yudrio is seeking a skilled and collaborative Salesforce Developer with strong experience in Copado, OmniScript (OmniStudio), and an active Salesforce Platform Developer certification to support th... Show more

Database Developer

DANE LLCARLINGTON, VA, US
$120,000.00 yearly
Full-time

At DANE we support some of the most complex programs in the country, and we do it with a team that’s technically excellent and genuinely collaborative.We offer aggressive PTO, competitive benefits,... Show more

Appian Developer

BayNova LLCArlington, VA, US
Full-time
Quick Apply

BayNova has an exciting opportunity for an Appian Developer to join our team in support of an important federal government client, in a fully remote / work from home role.You will be supporting a f... Show more

Database Developer

SAICArlington, VA, US
Full-time

Database engineer with experience working closely with.NET software engineers for the development of search and ETL applications.This role requires 1 day onsite in Rosslyn, VA each week.Design, Dev... 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

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Workday Developer

DKMRBH IncMcLean, VA, United States
Temporary
Quick Apply

Title: </b>Workday Developer</p> <p><b>Location:</b> McLean, VA OR Plano, TX (Fully onsite 100%)</p> <p><b>Duration:</b> 6 Month Contract 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

Python Developer

pinnacleArlington, VA, US
Full-time

Job Description</h3><br /><p>Pinnacle Government Solutions is a minority-owned small business that provides Software, AI/ML, and Cloud Engineering Solutions for our Department of ... 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

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

Application Developer

Softthink Solutions IncWashington, DC, US
Full-time

Job Title: : Application Developer.Work Authorization: US Citizen.The Application Developer (KC) is responsible for the following:.Planning, design, development, testing, deployment, and support of... 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

PowerBI Developer

AHU Technologies IncWashington, DC, US
$44.00 hourly
Full-time

Contract w2/1099/C2C          .Bachelor’s degree in IT, related field, or equivalent experience.The client is seeking a Entry‑level Power BI Developer that supports data analytics and reporting by ... 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.



Job Posted by ApplicantPro