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- ...equivalent experience plus a minimum of 4 years of experience as a Senior Software Engineer using the following technologies: -... ...software Required Skills: - At least 4 years of mainframe-based application development experience. - Demonstrated knowledge...MainframeSenior
3B Staffing LLC
Reston, VA1 day ago - A leading technology solutions provider is seeking an experienced Mainframe Specialist to analyze, design, and document business requirements. The ideal candidate will have over 10 years of Mainframe experience, including proficiency in COBOL and JCL, and strong knowledge...MainframeSeniorFull time
$130k - $160k
Tata Consultancy Services Limited is seeking a Mainframe Developer in McLean, Virginia with strong hands-on experience in COBOL and JCL job scheduling. The role involves designing, developing, and maintaining COBOL/JCL-based applications while supporting production releases...MainframeSenior- ...Senior Software Engineer This position requires a BA/BS in Information Systems or equivalent... ...Skills: At least 4 years of mainframe-based application development experience... ...skills will be essential to ensuring developed source code can be interpreted by other...MainframeSeniorWork at office
Samprasoft
Washington DC2 days ago $85k - $148k
...Senior Mainframe Systems Programmer - zVMRemote - United StatesJR012366 A Senior IBM z/VM Systems Programmer ensures the stability, integrity, and efficient operation of information systems that support core organizational functions and clients. This is achieved by...MainframeSeniorFull timeTemporary workRemote workWork from homeFlexible hoursEnsono
Washington DC2 days ago- ...What Would Be Nice To Have: • Working knowledge of mainframe architecture is a plus. • At least 3 years coding/scripting... ...of applications and infrastructure from dev to production. • Develop code and escalate break fix issues that may occur. • Task automation...MainframeSeniorWork experience placementRemote workShift work
System One Holdings, LLC
McLean, VA2 days ago - ...Apr 6, 2026 Inserso is seeking to hire a Senior Deployment Engineer to provide network... .... Ensure end‑user access to government mainframe applications. Document network configurations... ...firewalls. Demonstrate the ability to develop and execute network address plans for...MainframeSeniorFull timeWork at officeLocal areaRemote workRelocation
$58 - $60 per hour
...Sr. Mainframe Developer in McLean VA Client: Capco/Freddie Mac Location: Fully onsite in McLean, VA Visa: Any Rate: $58-$60/hr 6- Months Contract Interview process: 2 Teams calls, final onsite Must include Linkedin...MainframeSeniorContract work3B Staffing LLC
McLean, VA1 day ago- ...FEP claims. Knowledge of EDI specifically ANSI X.12 transactions, e.g. 834, 837, etc. would be beneficial. Experience with mainframe-based application development experience. Experience working in an Agile environment is a plus. Software: COBOL/CICS DB...MainframeSenior
My3Tech Inc
Washington DC5 days ago - ...Job Summary: The main function of a DevOps Engineer is to design, develop, implement, test, and maintain business and computer applications software or specialized utility programs including mainframe and client/server applications, and major enhancement of existing systems...MainframeSenior
Kaav Inc.
Herndon, VA1 day ago $150,000 per week
...industry, where innovation, ethics, and teamwork are valued. As a Senior Software Engineer Staff in our IT & Cybersecurity department,... ...reinforce national security. You will be pivotal in designing, developing, and managing software systems that align with our high...SeniorLockheed Martin
Springfield, VA25 days ago- ...Mainframe Engineer Location: Mclean VA Duration: 6-12 Months – (With possible extension) Required Skills: The need here is for a mainframe engineer specializing in Z/OS. Knowledge of mainframe security related to encryption. Knowledge of governance...MainframeSenior
Samprasoft
McLean, VA2 days ago - ...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-...MainframeSenior
Staffing the Universe
Washington DC1 day ago $140,000 per week
...seeking an experienced Software Engineer with Poly SR SWE1 to join our dynamic IT & Cybersecurity team. This role will focus on developing and maintaining high-level classified software systems that are critical to national security missions. As a part of our team, you...SeniorLockheed Martin
Springfield, VA26 days ago$3,000 per month
...process being used on any particular project • Design or implement complex database or data repository interfaces/queries • Develop or implement algorithms to meet or exceed system performance and functional standards • Assist with developing and executing test...SeniorFull time- ...Senior Mainframe QA Analyst Our client in DC is looking for a Senior Mainframe QA Analyst to join their team. The ideal candidate will... ...cross-functional teams to understand project requirements and develop test strategies accordingly. Utilize tools such as JIRA and...MainframeSenior
Samprasoft
Washington DC2 days ago - ...Systems Integrator - Senior Location: Springfield, VA Clearance: Active TS/SCI Required Overall Assignment Description: Senior-level Systems Integrators support the Government by leading and overseeing the integrity of the NSG/ASG systems-of-systems enterprise...SeniorFor contractorsWork experience placement
Allen Integrated Solutions LLC
Springfield, VA3 days ago - ...Senior Geospatial Systems Software Engineer Lead the future of geospatial innovation. GDIT is your place to lead, innovate, and drive... ...and convergence efforts. What You'll Do: Architect, develop, and optimize enterprise-grade GIS applications and solutions....SeniorWork from home
General Dynamics
Springfield, VA1 day ago - ...Systems Integrator - Senior Level - TS/SCI Clearance Required 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, testing...SeniorFor contractorsWork experience placement
Core-CSI Services
Springfield, VA1 day ago - ...Senior Mainframe Infrastructure Engineer The need here is for a mainframe engineer specializing in Z/OS. Knowledge of mainframe security related to encryption. Knowledge of governance and controls related to supporting audits & findings – in reference to BSCs (baseline...MainframeSenior
Samprasoft
McLean, VA2 days ago $110k - $140k
...Mainframe Developer Louisville,KY/ Chicago,IL/ Dallas,TX / Arlington,VA Fulltime Salary Range--$110k to $140k PA Job Description Must Have Technical/Functional Skill • Design, develop, enhance, and support mainframe applications, ensuring stability and...MainframeFull timeDiverse Lynx
Arlington, VA3 days ago- ...Job Title MUST HAVES: ~5+ years of experience ~ z/OS mainframe ~ Syncsort ~ MFT (GoAnywhere, Sterling, Axway, or MoveIT) ~ COBOL ~ XML Mapping Required experience: Hands-on experience setting up MFT flows in GoAnywhere or another Managed...Mainframe
Saxon Global
Washington DC2 days ago - ...Systems Integrator (Senior‑Level) Mission Intelligence Group is seeking a Senior‑Level Systems Integrator to lead and oversee integration efforts across complex GEOINT systems‑of‑systems. This role supports mission‑critical capabilities across the National System...SeniorFlexible hours
Mission Intel
Springfield, VA5 days ago - ...installing, maintaining, and troubleshooting IBM z/OS systems and related software. The ideal candidate will have extensive experience in mainframe environments, particularly with z/OS and associated technologies. This role requires a proactive individual with strong problem-...MainframeRemote work
A1FED
McLean, VA1 day ago - Visvero, Inc. is seeking an experienced developer to create and modify AIMS COBOL programs and ECL scripts, while also gathering requirements from IRS business units. The ideal candidate will have strong experience in UNISYS COBOL and ECL, along with knowledge of AIMS and...MainframeSeniorWork experience placement
- A financial services company is seeking a Senior Mainframe Security Engineer to join their team in McLean, Virginia. The ideal candidate will work in a technology-driven environment focused on solving real problems, emphasizing security engineering for mainframe applications...MainframeSenior
- ...IBM z15 and z16 Mainframe Support Supporting 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),...MainframeWork at office
Samprasoft
Bethesda, MD2 days ago $112k - $179k
...Senior Systems Integrator - Sensor Integration Job Locations US-VA-Chantilly | US-VA-Springfield Requisition ID 2026-163134 Position Category Engineering Clearance Top Secret/SCI w/Poly Responsibilities Senior Systems...SeniorContract workShift workPeraton
Springfield, VA1 day ago$135k - $216k
...Senior Level Systems Integrator Job Locations US-VA-Chantilly | US-VA-Springfield Requisition ID 2026-16641... ...sustainment of integrated solutions across the system lifecycle Develop and review engineering plans, installation strategies, and...SeniorContract workShift workPeraton
Springfield, VA1 day ago$195k
Vantor, Inc., a leader in AI-driven IT services, is seeking a Senior Full Stack Software Engineer to design, develop, and deploy scalable web applications. You will work across front-end and back-end stacks, integrate cloud and data services, and collaborate with AI and...SeniorVantor
Springfield, VAa month ago
