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  • Senior Backend Java Developer

     ...Description Job Description: Short Description : The Senior JAVA Developer position requires in-depth knowledge of JAVA and J2EE...  ...development and deployment experience ·       Working with mainframe CICS containers and channels using JCA connectors... 
    Mainframe
    Senior
    Contract work

    AHU Technologies Inc

    Washington DC
    a month 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
    18 days ago

  • Senior Mainframe Systems Programmer - Automation

    $85k - $148k

    Senior Mainframe Systems Programmer - AutomationRemote - United StatesJR012893 Position Summary As part of Mainframe Automation, this position will be part of a team focused on accelerating the design and performance of our development of automation, integration into... 
    Mainframe
    Senior
    Full time
    Temporary work
    Remote work
    Work from home
    Flexible hours

    Ensono

    Washington DC
    5 days ago

  • Sr Java Developer

     ...Description Job Description TITLE: Sr Java Developer LOCATION: Washington, DC/ Onsite...  ...Person   Job Description:  The Senior JAVA Developer position requires in-...  ...Desired 1 Year   ·         Working with mainframe CICS containers and channels using JCA... 
    Mainframe
    Senior
    Contract work

    AHU Technologies Inc

    Washington DC
    a month ago

  • Senior/Lead CA Gen Engineer - Mainframe Modernization - Remote

     ...Role: Senior/Lead CA Gen Engineer Mainframe Modernization Remote (US) Job Type: W2 Contract Description: We are looking for...  ...captured and preserved Partner with architects and developers to align legacy system behavior with new application... 
    Mainframe
    Senior
    Contract work
    Remote work

    Saransh Inc

    Washington DC
    2 days ago

  • Senior IBM z/TPF Systems/Software Engineer

    $50 per hour

     ...: Randstad is seeking an experienced Senior IBM z/TPF Software Engineer on behalf of...  ...production-safe updates for enterprise mainframe systems.   location: Washington, Washington...  ...Development & Maintenance: Design, develop, maintain, and support complex IBM z/TPF... 
    Mainframe
    Senior
    Hourly pay
    Contract work
    Temporary work
    Work experience placement
    Washington DC
    13 days 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

  • Senior zTPF Systems Engineer

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

    Georgia IT Inc

    Washington DC
    2 days ago

  • Mainframe z/OS System Programmer

     ...years of experience installing, customizing, and maintaining z/OS operating system 5+ years of experience supporting a stabilized IBM mainframe system environment Experienced with SMP/E and mainframe software maintenance with performance, problem determination and... 
    Mainframe

    Syntricate Technologies

    Bethesda, MD
    5 days ago

  • Software Developer-DC Area

     ...Job Description Job Description Software Developer Washington, DC Area This is an Onsite Position EM Key Solutions is seeking...  ...similar RPA software with the ability to develop on Windows, mainframe, web-based browsers, etc. ~ Automation platform components,... 
    Mainframe
    For contractors

    EM Key Solutions Inc

    Washington DC
    18 days ago

  • Senior Engineer

     ...Bachelors Degree - IT Technology Field or equivalent experience/training and a minimum 5 years related experience in data processing in a mainframe, midrange and distributed computer environment. Previous experience should include operational monitoring of multi-mainframe-... 
    Mainframe
    Senior
    Contract work
    Work at office

    Samprasoft

    Washington DC
    2 days ago

  • IT Specialist Senior - TS required to apply; Washington DC

     ...experience required Responsibilities: The IT Specialist provides support to end users for Personal Computer (PC), server, or mainframe applications and hardware. This role may interact with network services, software systems engineering, and/or applications... 
    Mainframe
    Senior

    Bow Wave LLC

    Washington DC
    18 days ago

  • Senior Software Engineer

    $195k

    Johns Hopkins Applied Physics Laboratory (APL) seeks a Senior Software Engineer to design, build, and deploy advanced software systems...  ..., and health missions. You will architect scalable solutions, develop high-quality code, and integrate complex algorithms and data services... 
    Senior

    Johns Hopkins Applied Physics Laboratory (APL)

    Laurel, MD
    2 days ago

  • Secret Cleared | Lead Palo Alto Firewall Engineer | MIDs (11:00pm-7:30am)

     ...applications across the Department. Program is named "Vanguard" and is an IT consolidation consisting of the Department's servers, mainframes, network devices, network perimeter, anti-virus engineering, public key infrastructure (PKI)/biometrics/encryption, monitoring... 
    Mainframe
    Full time
    Interim role
    Work at office
    Shift work

    Conceras

    Beltsville, MD
    a month ago

  • Senior Software Engineer/Architect

    $195k

    Johns Hopkins Applied Physics Laboratory (APL) seeks a Senior Software Engineer/Architect to design and deliver mission-critical systems for national security, space, and health applications. You will define software architectures, lead end-to-end development, and guide... 
    Senior

    Johns Hopkins Applied Physics Laboratory (APL)

    Laurel, MD
    2 days ago

  • Federal Civilian AI Tech Lead, Federal Civilian BD

    $147.9k - $200.1k

     ...Maintain technical quality by reviewing and elevating engineer-developed demos, whitepapers, and POC artifacts to ensure rigor and...  ...Data Foundation, Amazon Connect, FWA, Supply Chain, Data Center/Mainframe Migration) that Product Management packages for reuse across the... 
    Mainframe
    Flexible hours

    AmazonWebServices

    Arlington, VA
    19 hours ago

  • Senior Developer

     ...integration and delivery, integration, testing, configuration management, ongoing operations and maintenance, and cloud migration.The Senior Developer provides senior-level design, coding, testing, deployment, and issue remediation across DHS platforms; leads development tasks... 
    Senior
    For contractors
    Work at office

    ASRC Federal Holding Company

    Washington DC
    19 hours ago

  • Senior Drupal Developer

     ...Job Description Job Description Senior Drupal Developer Washington, D.C./Arlington, VA At IPT Associates (IPTA), we enjoy solving real-world problems with technology. We work closely with our customers, teammates, experts, and partners to come up with practical... 
    Senior

    Interactive Process Technology LLC

    Washington DC
    18 days ago

  • Senior Developer for GenAI with IRS MBI Clearance

     ...Job Description Job Description This is a remote position. Job Title: Senior Developer for GenAI Location: Remote Duration: Full-Time Clearance: IRS MBI Required A Senior Developer for GenAI designs, develops, and implements generative AI solutions... 
    Senior
    Full time
    Remote work

    3M Consultancy

    Washington DC
    13 days ago

  • Senior Developer

    $222k

     ...Description Position: Senior Developer Location: Rosslyn, VA, Clearance: Secret The Senior Developer leads the design, development, and optimization of complex software applications that support enterprise systems and business objectives. This role provides... 
    Senior

    Talentify

    Arlington, VA
    15 hours ago

  • Senior Infrastructure Engineer

    Senior Infrastructure Engineer The client's Operations Center is seeking strong Infrastructure...  ...Matter Expert (SME) able to analyze, develop and implement solutions. Candidates...  ...experience is required d. Strong Hands-on Mainframe experience e. Extensive SDLC experience... 
    Mainframe
    Senior

    Omega Solutions Inc

    Washington DC
    4 days ago

  • Senior C++ Software Engineer

    $210k

    Johns Hopkins Applied Physics Laboratory (APL) seeks a Senior C++ Software Engineer to build advanced software for national security, space, and health missions. You will design and implement high-performance C++ applications, collaborate with scientists and engineers... 
    Senior

    Johns Hopkins Applied Physics Laboratory (APL)

    Laurel, MD
    a month ago

  • Software Developer-DC Area

    Overview Software Developer - Washington, DC Area. This is an onsite position. Duties/Responsibilities Deliver end-to-end RPA development...  ...similar RPA software with the ability to develop on Windows, mainframe, web-based browsers, etc. Automation platform components,... 
    Mainframe
    For contractors

    EMKS

    Washington DC
    1 day ago

  • Senior Developer

     ...ways to log into the apps, shopping experiences, and entertainment portals they access each day. We are looking for a full-stack developer with experience in C#/.NET to develop custom web and mobile apps that integrate with consumer identity platforms and to explore unique... 
    Senior
    Remote work

    WhoIAM

    Washington DC
    more than 2 months ago

  • Senior IBM Z/TPF Software Engineer

     ...Job Summary Seeking a Senior IBM z/TPF Software Engineer with 8+ years of experience developing, maintaining, and troubleshooting high-volume transaction-processing applications using HLASM/Assembler. The role focuses on application development, production debugging,... 
    Senior
    Contract work

    Neshent Technologies

    Washington DC
    12 days ago

  • Senior Level Developer

     ...Job Description Job Description Position Overview The Senior-Level Developer serves as a technical modernization leader responsible for designing, refactoring, and implementing AWS Cloud Native solutions as part of a large-scale legacy system-of-systems migration... 
    Senior
    Temporary work
    Flexible hours
    Shift work

    Ignite IT

    Silver Hill, MD
    a month ago

  • Senior AI/ML Engineer

    $143.91k

    Agency: Consumer Product Safety CommissionDepartment: Other Agencies and Independent OrganizationsSub agency: Office of Risk Reduction, Directorate for EpidemiologySalary: Starting at $143,913 Per year (GS 14)Dates: Open 09/28/2026 to 10/08/2026Schedule: Full-timeWork type...
    Senior
    Work at office

    United States Government

    Washington DC
    1 day ago

  • Senior Vantage Developer

     ...Job Description Job Description Senior Army Vantage Developer / Technical Lead Location: Arlington, VA / Pentagon Work Arrangement: Hybrid – onsite at the Pentagon three days per week Employment Type: Full-time, direct hire Clearance: Active DoD Secret... 
    Senior
    Full time
    Local area
    3 days per week

    System One

    Arlington, VA
    a month ago

  • MuleSoft Senior Developer

    $75 per hour

     ...Job Description TSGi is seeking a Job Description TSGi is seeking a MuleSoft Senior Developer to support a large-scale federal travel and expense modernization initiative that enables secure, seamless integration across travel, financial, and enterprise business... 
    Senior
    Hourly pay
    Contract work
    Local area
    Remote work

    The Squires Group

    Washington DC
    2 days ago

  • Senior Firmware Engineer

     ...Job Responsibilities: Develop firmware to integrate display pipeline with off the shelf displays Develop firmware to interface with hardware acceleration blocks, including embedded DSPs Develop firmware to transfer data to/from a host PC over PCIe Develop PC... 
    Senior

    SGS Consulting

    Washington DC
    more than 2 months ago