Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Cobol Developer with IRS MBI Clearance

3M Consultancy

Senior Cobol Developer with IRS MBI Clearance Washington, United States | Posted on 09/16/2025 We are seeking a Senior Cobol Developer to join our team and support the IRS. The ideal candidate will have expertise in Assembler (BAL), REXX, C/C++, COBOL, JCL, and SQL-PL/SQL. Familiarity with mixed platform tax processing systems is a plus. Key Responsibilities Develop, update, and maintain COBOL programs. Work with Assembler (BAL), REXX, C/C++, COBOL, JCL, and SQL-PL/SQL languages. Create and update technical documentation, including FSPs, PRPs, and system diagrams. Develop and maintain DB2 SQL queries for IRS subsystems. Participate in program analysis, testing, and revisions to improve performance and adapt to new requirements. Collaborate with management and technical teams to clarify program intent and resolve issues. Perform systems analysis and provide documentation of program developments and revisions. Qualifications Over 10 years of experience with IRS systems, particularly IRS IMFOL development. Proficient in IBM Mainframe, ALC, and JAVA. Bachelor’s degree or 4 years of related experience in lieu of a degree. Strong experience in documenting requirements and technical writing. Excellent problem-solving and communication skills. Preferred Qualifications Active IRS Minimum Background Investigation (MBI) clearance is a plus. US Citizenship or Legal Permanent Resident (Green Card status) for 3 years and Federal Tax compliant. #J-18808-Ljbffr 3M Consultancy

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Senior Cobol Developer with IRS MBI Clearance in Seattle, WA vacancy
  •  ...Washington, United States, is seeking a Senior Cobol Developer with expertise in COBOL and associated...  ...have over 10 years of experience with IRS systems, especially IRS IMFOL development...  ...IRS Minimum Background Investigation clearance is a plus. This role involves developing... 
    Senior

    3M Consultancy

    Seattle, WA
    5 days ago
  • Sr. Performance Engineer/Performance Tester with IRS MBI Clearance Washington, United States | Posted on 01/05/2026 Requirement: Must have active...  ...to ensure scalability and reliability. Responsibilities Develop and run performance test plans, scripts, and scenarios.... 
    Senior

    3M Consultancy

    Seattle, WA
    4 days ago
  •  ...Performance Engineer/Performance Tester to support IRS projects. This role requires active IRS MBI clearance and involves designing and executing performance...  ..., and SQL. The position includes collaborating with developers and providing tuning recommendations to ensure system... 
    Senior

    3M Consultancy

    Seattle, WA
    4 days ago
  • $200k - $250k

     ...in Washington DC is seeking a Senior Cloud Systems Architect to lead...  ...The successful candidate will develop architectural strategies and...  ...well as an active Top Secret/SCI clearance to start. A competitive salary...  ...- $250,000 is offered, along with comprehensive benefits. #J-188... 
    Senior

    SCD Information Technology

    Seattle, WA
    3 days ago
  • $166.7k - $289.6k

     ...Excellence team. This role involves collaborating with capture managers to secure new contracts, developing strategies, and ensuring compliance with regulations...  ...contracts. An active DoD Secret security clearance is essential. The role offers a competitive salary... 
    Senior
    Full time

    Northrop Grumman Corp. (JP)

    Bellevue, WA
    1 day ago
  •  ...seeking an experienced UiPath Test Automation Senior Consultant to lead the design and...  ...ideal candidate will have extensive experience with UiPath and test automation, while also possessing a SECRET or TOP SECRET clearance for access. This role allows for remote work... 
    Senior
    Remote work

    TTC Global

    Seattle, WA
    2 days ago
  •  ...cybersecurity and IT consulting firm is seeking a Senior Systems Administrator to support SOC/NOC...  ...D.C. The role requires an active TS/SCI clearance and involves maintaining and securing...  ...and Linux systems, ensuring compliance with cybersecurity standards, and supporting... 
    Senior
    Night shift

    Kaizen Lab Inc.

    Seattle, WA
    5 days ago
  •  ...leading technology solutions provider in Washington is seeking a Senior Helpdesk Technician to support IT systems at Joint Base Lewis...  ...health insurance, a 401K plan, and paid time off. A Secret security clearance is required for this role. #J-18808-Ljbffr Koniag Government... 
    Senior

    Koniag Government Services

    Seattle, WA
    5 days ago
  •  ...Designer to support Government staff by developing various graphics and digital media products...  ...years of experience, and an active DoD clearance. Responsibilities include creating...  ...digital platforms, ensuring compliance with accessibility requirements, and providing... 
    Senior

    SourceFly

    Seattle, WA
    2 days ago
  •  ...requires expertise in LAN switching and Layer 3 routing protocols, with at least 8 years of relevant experience. You will monitor...  ...candidate holds a Bachelor’s degree, an Active DoD Secret security clearance, and relevant certifications such as CompTIA Security +CE or... 
    Senior

    Sms-Data-Products-Group,-Inc

    Seattle, WA
    2 days ago
  •  ...surface ships. Candidates must have a bachelor's degree in a relevant field, extensive engineering experience, and a secret security clearance. This position offers the opportunity to contribute to vital modernization and sustainment efforts in the Navy, ensuring the fleet... 
    Senior

    International Executive Service Corps

    Seattle, WA
    5 days ago
  •  ...contractor providing data analysis solutions is seeking an experienced Senior Data Analyst. The role involves delivering advanced SQL reports...  ...a relevant Bachelor's Degree, and an active or prior security clearance. The position offers a remote work option but requires... 
    Senior
    Remote job
    For contractors

    Weris, Inc

    Seattle, WA
    1 day ago
  •  ...requires a minimum of 10 years of professional experience related to the labor category. Candidates must be U.S. citizens with a secret security clearance. Responsibilities include analyzing data and providing recommendations to management. Preferred qualifications include... 
    Senior

    International Executive Service Corps

    Seattle, WA
    2 days ago
  • ICS Global Soft, Inc.: Senior QA Tester (Remote) with Security Clearance Position: Senior QA Tester Location: Washington, DC (Remote) Duration: 12+ months contract...  ...specifications. Collaborating with QA Engineers to develop effective strategies and test plans. Executing test... 
    Senior
    Remote job
    Contract work

    CloudDevs

    Seattle, WA
    5 days ago
  • Senior Systems Administrator - (TS/SCI Clearance Required) Rapid Strategy is a premier cybersecurity and IT consulting firm delivering mission‑critical solutions...  ...defense, and IT modernization, providing clients with secure, resilient, and high‑performing technology environments... 
    Senior
    Night shift

    Kaizen Lab Inc.

    Seattle, WA
    5 days ago
  •  ...Engineer. As a VoIP network engineer on our team, you’ll work with Video Voice over IP, a reliable network to support critical missions...  ...and incidents using ServiceNow Bachelor's degree Active Secret Clearance Security + and CCNP Voice and Collaboration Certification... 
    Senior
    For contractors
    Remote work

    H2 Performance Consulting

    Seattle, WA
    4 days ago
  • Overview Halvik: Senior Web Application Developer - Fully Remote with Security Clearance Headquarters: Washington DC Responsibilities Contribute and mentor on the development, testing, and implementation of solutions that integrate mainframe/host, cloud, database, web,... 
    Senior
    Remote job

    CloudDevs

    Seattle, WA
    5 days ago
  • $180k - $220k

     ...Our agentic AI is purpose‑built to compete with China—from cross‑Strait conflict to gray...  ...mean standing still. About the role As a Senior Mission Manager, you will serve as a...  ...least a current Top Secret US DoD or IC clearance is required. What you’ll do Lead engagements... 
    Senior
    Remote work

    Vannevar

    Seattle, WA
    1 day ago
  •  ...COBOL Developer Location: Renton WA Duration: 6 Months Rate: 60/hr on C2C (Local Please) This position is responsible for the maintenance...  ...development of applications on iSeries including involvement with major third-party vendor support. The maintenance and... 
    Local area
    Flexible hours
    Weekend work
    Afternoon shift

    ClifyX

    Renton, WA
    4 days ago
  • Delaware Nation Industries is seeking a candidate with expertise in ITAR compliance for the Department of State. The role involves managing registrations, compliance investigations, and providing expert advice on national security implications. The ideal candidate will... 
    Senior

    Delaware Nation Industries

    Seattle, WA
    1 day ago
  • Lululemon Athletica is seeking a Senior Cybersecurity Analyst to lead cybersecurity initiatives aimed at safeguarding organizational assets...  ...You will work within the Security Operations Center and engage with cross-functional teams to manage complex security challenges and... 
    Senior
    Full time
    Remote work

    Lululemon Athletica

    Seattle, WA
    3 days ago
  • $135k - $143k

    Gunnison is seeking an experienced cybersecurity professional with a focus on operations and incident response. The position offers an annual salary between $135,000 and $143,000, primarily remote with occasional on-site duties in Washington, DC. The successful candidate... 
    Senior
    Remote job

    Gunnison

    Seattle, WA
    1 day ago
  • $145.19k - $203.26k

    ## Senior Cyber Systems Engineer - Blue Ring (Top Secret Clearance Required)Applylocations: Greater Seattle Areatime type: Full...  ...benefit of Earth. We’re working to develop reusable, safe, and low-cost...  ...accomplish this, you will work closely with our spacecraft development... 
    Senior
    Permanent employment
    Temporary work
    Local area

    Blue Origin

    Seattle, WA
    1 day ago
  • $169.62k - $237.47k

    Senior Technical Program Manager (Top Secret / Sensitive Compartmented Information Clearance Required)Skip to main content#Senior Technical Program...  ...of Earth. We’re working to develop reusable, safe, and low-cost...  ...Ring portfolio. Working with the engineering team representing... 
    Senior
    Permanent employment
    Temporary work
    Work at office
    Local area
    Relocation package

    Blue Origin LLC

    Seattle, WA
    1 day ago
  • Sr. Graphic Designer (Active Clearance Required) At SourceFly, we pair mission-driven innovation with a people-first culture. Headquartered in Columbia, MD, we provide...  ...support Government staff in the following: Develops graphics, digital media, cartography, and other... 
    Senior

    SourceFly

    Seattle, WA
    2 days ago
  • Senior Network Engineer (Cisco / Zero Trust Architecture Lead) Permanent...  ...Background Check/Public Trust Clearance Public trust tier 2 clearance...  ...identified Incident Response (IR) findings. You will design,...  ...principles in accordance with NIST SP 800-207. This includes... 
    Senior
    Permanent employment
    For contractors
    Work experience placement

    Omm IT Solutions

    Seattle, WA
    2 days ago
  •  ...advancing warfighter capabilities with elegant, user‑focused...  ...Strategic Planning & Execution: Develop and implement comprehensive business...  ...customer gaps with internal IR&D investments. Sales & Revenue...  ...US Citizen. Active US Secret Clearance or willingness and ability to... 
    Senior
    For contractors

    Fuse Integration

    Seattle, WA
    3 days ago
  • Slalom Build is seeking a Senior Principal to lead its Marketing, Advertising & Experience...  ...shape marketing strategies and engage with clients to drive customer growth and media...  ...leading executive advisory engagements and developing actionable roadmaps for clients. This... 
    Senior

    Slalom Build

    Seattle, WA
    4 days ago
  • Bristol-Myers Squibb is seeking a Senior Principal Scientist in Cancer Immunology at their Seattle location...  ...successful candidate will lead discovery teams in developing innovative cancer therapies and collaborate with external partners. Ideal applicants should possess... 
    Senior

    Bristol-Myers Squibb

    Seattle, WA
    4 days ago
  • The National Council of Structural Engineers Associations (NCSEA) is seeking a Senior Structural Engineer (Associate Principal) with over 15 years of experience to lead structural investigations and rehabilitation projects. Located in Seattle's Pioneer Square, this role... 
    Senior

    National Council of Structural Engineers Associations (NCSEA...

    Seattle, WA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Cobol Developer with IRS MBI Clearance. Be the first to apply!