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  • Senior COBOL Developer

     ...Senior Software EngineerThis position requires a BA/BS in Information Systems or equivalent...  ...Skills:At least 4 years of mainframe-based application development experienceDemonstrated...  ...skills will be essential to ensuring developed source code can be interpreted by other... 
    Mainframe
    Senior
    Work at office

    Samprasoft

    Washington DC
    3 days ago

  • Senior UI/UX Frontend Engineer — Remote

    General Dynamics Information Technology, Inc. is seeking a UI/UX Developer to build React single-page applications with secure API...  ...with cross-functional teams. You will lead UI design from IBM Mainframe modernization to cloud-based architectures, implement responsive... 
    Mainframe
    Senior
    Remote job

    General Dynamics Information Technology, Inc.

    Fairfax, VA
    3 days ago

  • Senior Java Developer

     ...Senior Java Developer Annexa is currently working with DC Government's Office of the Chief Technology Officer and is seeking a Senior Java...  ...and deployment. 1+ years of experience working with mainframe CICS containers and channels using JCA connectors. 1+ years... 
    Mainframe
    Senior
    Work at office

    Annexa Inc.

    Washington DC
    15 hours ago

  • Software Development, Senior Associate

    $66k - $106k

    Software Development, Senior Associate Job Locations US Requisition ID 2026-170182...  ...a COBOL/CICS/FOCUS Micro-FOCUS Software Developer with experience developing and maintaining...  ...COBOL, CICS, JCL and FOCUS for IBM mainframe operating systems. The Peraton DFAS account... 
    Mainframe
    Senior
    Contract work
    Remote work
    Shift work

    Peraton

    Herndon, VA
    5 days ago

  • Senior .NET Systems Architect / Developer

     ...Description Job Summary We are seeking an experienced Senior .NET Systems Architect / Developer to support a federal program operating within a...  ...tools). Analyze existing systems (including COBOL or mainframe components) and recommend practical enhancements to... 
    Mainframe
    Senior

    Elite Government Strategy

    McLean, VA
    3 days ago

  • Senior Software Engineer

    $127.5k - $172.5k

    Job Description UI/UX Developer We are seeking a frontend engineer skilled in building React SPAs with secure API integrations, responsive...  ...of mission‑critical financial applications from IBM Mainframe platforms to modern, cloud‑enabled, and server‑based architecture... 
    Mainframe
    Senior
    Temporary work
    Immediate start
    Remote work
    Work from home
    Worldwide
    Flexible hours

    General Dynamics Information Technology, Inc.

    Fairfax, VA
    3 days ago

  • 100% Remote Senior DB2 z/OS Systems Programmer with DB2 V13 upgrade Exp

     ...Remote Senior DB2 z/OS Systems Programmer Duration: Until 2027 VISA: Any VISA...  ...certificate management ~ Experience developing internal tools and operational automation...  ...Jenkins, z/OSMF, Zowe APIs, or related mainframe DevOps tooling ~ Ability to apply AI... 
    Mainframe
    Senior
    Remote work

    DMS Vision Inc

    Washington DC
    3 days ago

  • Network Engineer Senior

     ...is an IT consolidation consisting of the Department's servers, mainframes, network devices, network perimeter, anti-virus engineering,...  ...capacity and operational limitations of installed equipment. May develop and execute contingency plans for network related hardware... 
    Mainframe
    Senior
    Work at office

    Science Applications International Corporation

    Springfield, VA
    2 days ago

  • Senior UiPath Developer

    $50 - $51 per hour

     ...Immediate need for a talented SeniorUiPath Developer . This is a 06months contract...  ...Center is a plus ~ Experience working with Mainframe Automation SAP Automation or Citrix Automation...  ...You can access our privacy policy here. #Del Required Experience: Senior IC... 
    Mainframe
    Senior
    Hourly pay
    Contract work
    Local area
    Immediate start

    Pyramid Consulting

    Washington DC
    7 days ago

  • Senior Principal Software Developer

    $103.8k - $218.1k

    Job Title: Senior Principal Software DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start...  ...:CACI is seeking a experienced Senior Principal Software Developer to support a mission-critical program for the National Geospatial... 
    Senior
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International

    Springfield, VA
    5 days ago

  • Senior Systems Integrator

    $110k - $195k

    OverviewVTG is seeking a Senior Systems Integrator located in Springfield, VA. Senior-level Systems Integrators support the Government by leading and overseeing the integrity of the NSG/ASG systems-of-systems enterprise. They lead and oversee planning, implementation approaches... 
    Senior
    For contractors
    Work experience placement

    VTG

    Springfield, VA
    5 days ago

  • Mainframe Developer

     ...Mainframe Developer Location: Atlanta, GA / Vienna, VA / Chicago, IL – First Preference Duration: 9/14/2026 – 3/31/2027 Experience: 12–15+ Years Job Description: Seeking an experienced Mainframe Developer with strong expertise in COBOL, DB2, CICS, and JCL and extensive... 
    Mainframe

    Georgia IT Inc

    Vienna, VA
    4 days ago

  • Senior Java Developer

     ...Job Description Job Description Senior Java Developer  Program: IRS Master File Research and Analysis (MFRA) Place of Performance:...  ...supporting Java applications that integrate with IRS legacy IBM mainframe environments, including mainframe batch processes, data... 
    Mainframe
    Senior
    Contract work
    For contractors

    R3 Management Services

    Lanham, MD
    16 days ago

  • Senior IT Specialist-Washington, DC (Hybrid)

     ...Senior IT Specialist The Senior IT Specialist provides high level functional and IT analysis, design, development, integration, documentation...  ...as a Project Manager as required. COMMENTS: IBM Mainframe modernization from z14 to z16: IBM cloud migration of on-... 
    Mainframe
    Senior

    Staffing the Universe

    Washington DC
    15 hours ago

  • Senior Software Developer

    $86.6k - $181.8k

    Job Title: Senior Software DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee...  ...10%Type of Travel: Local* * *The Opportunity:The T3 Software Developer is responsible for applying engineering principles and... 
    Senior
    Contract work
    Work experience placement
    Local area
    Immediate start
    Flexible hours

    CACI International

    Springfield, VA
    4 days ago

  • Senior Principal Software Developer

    $103.8k - $218.1k

    Job Title: Senior Principal Software Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: None Type of Travel: Local * * * The Opportunity... 
    Senior
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International, Inc.

    Springfield, VA
    4 days ago

  • Software Engineer, Senior

    $86.8k - $198k

    Software Engineer, SeniorThe Opportunity:As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to create a system that will make a difference... 
    Senior
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    Springfield, VA
    5 days ago

  • Senior Machine Learning Software Engineer

    $210,000 per week

    Leidos is seeking a Senior Software Engineer / Data Scientist to design and deliver scalable, data-intensive solutions supporting national security, health, and engineering missions. In this role, you will architect and implement secure software systems, data pipelines... 
    Senior

    Leidos

    Burke, VA
    more than 2 months ago

  • Assembler Developer

     ...Assembly Language DeveloperWe are seeking a highly experienced Assembly Language Developer with deep expertise in IBM z/OS mainframe environments, IRS Core Record Layouts (CRL), and legacy system modernization. The ideal candidate will support the extraction of business... 
    Mainframe

    Software Technology Inc

    Bethesda, MD
    2 days ago

  • Mainframe Developer

     ...Mainframe Developer Design, develop, enhance, and support mainframe applications, ensuring stability and performance of legacy systems that support critical business functions. • Perform application enhancements, maintenance, and defect fixes across mainframe codebases... 
    Mainframe

    JConnect Infotech

    Arlington, VA
    15 hours ago

  • Senior Storage Engineer NetApp SAN

     ...the network through the above actions; Extensive experience in developing strategic systems architecture plans Experience with Storage...  ...security requirements for computer systems which may include mainframes, workstations, and personal computers. Designs, develops, engineers... 
    Mainframe
    Senior
    Work from home
    Flexible hours

    AHU Technologies Inc

    Washington DC
    5 days ago

  • Senior DevSecOps Engineer

    $130k - $190k

    Modern Technology Solutions, Inc. (MTSI) is hiring a Senior DevSecOps Engineer to work in Springfield, VA. Qualified candidates must be U.S. citizens with an active TS/SCI clearance and be eligible to obtain a CI Poly.Responsibilities:• Build and operate the Cloud Native... 
    Senior
    Contract work

    Modern Technology Solutions

    Springfield, VA
    3 days ago

  • Mainframe Developer

     ...Position: Mainframe Developer (Banking Domain) Location: McLean, VA (Onsite, 5 days/week) Note: This position is open to local candidates in McLean, VA only. Face-to-face (F2F) interviews are mandatory, so candidates must be available to attend an in-person interview... 
    Mainframe
    Local area

    Delan Associates Inc

    McLean, VA
    4 days ago

  • Mainframe z/OS System Programmer

     ...IBM z15 and z16 Mainframe SupportSupporting IBM z15 and z16 mainframe and z/OS 2.5 or higher operating system. As part of IBM zCloud resource pool, supporting the zCloud Offering which consists of the following clients: Federal Retirement Investment Board (FRTIB), Bureau... 
    Mainframe
    Work at office

    Samprasoft

    Bethesda, MD
    3 days ago

  • Senior zTPF Systems Engineer

     ...We are seeking a high-caliber Senior zTPF Systems Engineer to join a mission-critical team...  ...bridges the gap between high-performance legacy mainframe systems and modern digital architecture. You will be responsible for developing and optimizing high-volume reservations... 
    Mainframe
    Senior

    Veracity

    Washington DC
    4 days ago

  • Mainframe Developer

     ...Mainframe Developer Location: Merrifield, VA (3 days' on-site required) Role Overview This position requires a strong ability to investigate operational, technical, and business problems to recommend reliable automation solutions. The role involves communicating... 
    Mainframe

    RIT Solutions

    Falls Church, VA
    1 day ago

  • Cobol Developer

     ...Role - Cobol Developer Location: McLean, VA (Onsite & Local only) Contract Location: Job Description...  ...Developer to design, develop, maintain, and support enterprise mainframe applications. The ideal candidate should have strong hands-on... 
    Mainframe
    Contract work
    Local area

    AceStack LLC

    McLean, VA
    5 days ago

  • Developer- ETL/Datastage---------------------Need Full GC, USC -------------Need Locals

     ...DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software...  ...opportunity for a Development, Senior position to contribute to the development...  ...shell scripting and db2/oracle sql skills, Mainframe JCL, Cobol, SAS. • Strong analytical and... 
    Mainframe
    Local area
    Worldwide

    USM Systems

    McLean, VA
    2 days ago

  • Senior Cloud Engineer

    $170k - $200k

    Job DescriptionEverforth ECS is seeking a Senior Cloud Engineer to work in our Fairfax, VA office. We are a rapidly growing company that...  ..., EBS, Elastic Load Balancing, S3, EKS, NLB, NLB Proficiency developing, engineering, and deploying Microsoft Active Directory and DNS.... 
    Senior
    Work at office
    Remote work

    ECS Federal

    Springfield, VA
    3 days ago

  • GEOINT Standards Developer - Imagery Standards (Senior Level)

     ...Job Description Job Description Senior‑Level GEOINT Standards Developer Mission Intelligence Group is seeking an experienced Senior‑Level GEOINT Standards Developer to support the development, maintenance, and governance of imagery‑related GEOINT standards across... 
    Senior
    Flexible hours

    Mission Intel

    Springfield, VA
    26 days ago