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

Mainframe Developer

JConnect Infotech

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.

• Develop, maintain, and support batch jobs and online programs, ensuring reliable execution and timely processing.

• Work hands on with core mainframe technologies such as COBOL, JCL, and mainframe utilities.

• Analyze existing programs and perform impact assessments for enhancements and fixes.

• Support batch scheduling, job execution, and restart/recovery scenarios.

• Participate in testing activities, including unit testing, system testing, and support for UAT.

• Debug and resolve production and non production issues related to batch and online processing.

• Ensure applications meet performance, reliability, and security standards expected in enterprise environments.

• Maintain and update technical documentation, including program logic, job flows, and system dependencies.

• Collaborate with business analysts and stakeholders to understand requirements and translate them into technical solutions.

• Support application modernization or migration initiatives when required.

• Follow established change management, release, and incident management processes.

• Work effectively in an Agile or hybrid Agile Waterfall delivery model, depending on program needs.

• Ensure high quality delivery with minimal disruption to business operations.

Responsibilities:

• Develop and enhance mainframe applications using COBOL and supporting technologies.

• Create, modify, and maintain JCL scripts for batch processing.

• Support online and batch job execution, monitoring, and troubleshooting.

• Perform defect analysis and fixes across development, test, and production environments.

• Participate in testing cycles, ensuring fixes and enhancements meet functional requirements.

• Maintain technical and operational documentation for programs and batch processes.

• Collaborate with cross functional teams including QA, business users, and operations.

• Support production releases and post deployment stabilization.

• Participate in code reviews and adhere to mainframe coding standards.

• Assist with audits, compliance activities, and documentation requests for regulated systems.

• Provide knowledge transfer and support for junior team members when required.

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Mainframe Developer in Arlington, VA vacancy
  •  ...Mainframe Developer (CICS + IMS)Location – Wilmington, DE Rate: $60/hr FTE: $115K/annumEnd Client - BankingInterviews – 2 Mphasis & 1 Client. Visa – Any. Prefer - CWR candidate, possible online testRequired Skills:Programming Languages: Strong proficiency in COBOLMainframe... 
    Mainframe

    RIT Solutions

    Arlington, VA
    5 days ago
  •  ...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.Job SummaryWe... 
    Mainframe
    Local area

    Delan Associates Inc

    McLean, VA
    5 days ago
  •  ...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
    1 day ago
  •  ...Title: 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, Inc.

    Falls Church, VA
    2 days ago
  •  ...business partners on the business requirements.Analyze and make the appropriate modifications:This includes analyzing requirements, developing an appropriate design, writing new programs, editing existing modules, modifying new or existing reports, building or optimizing... 
    Mainframe

    Software Technology Inc

    Washington DC
    5 days ago
  •  ...Sr DeveloperSeeking an experienced Sr Developer with strong expertise in Mainframe application development and production support. The ideal candidate will have extensive experience in COBOL, CICS, JCL, DB2, VSAM, and Application Support within the Banking domain. This... 
    Mainframe

    Apolis

    McLean, VA
    5 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 DC
    4 days ago
  •  ...Software Developer-DC AreaEM Key Solutions is seeking a Software Developer.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, development... 
    Mainframe

    EM Key Solutions

    Washington DC
    5 days ago
  •  ...appropriate modifications: This includes analyzing requirements, developing an appropriate design, writing new programs, editing existing...  ...COBOL II, JCL, DB2, VSAM & MVS Utilities ~5+ years hands-on mainframe development experience ~ Bachelor’s degree or equivalent... 
    Mainframe
    Remote work

    Software Technology Inc

    Washington DC
    2 days ago
  • Company DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT...  ...in DataStage(ETL), shell scripting and db2/oracle sql skills, Mainframe JCL, Cobol, SAS. • Strong analytical and development skills required... 
    Mainframe
    Local area
    Worldwide

    USM Systems

    McLean, VA
    4 days ago
  •  ...COBOL Developer - Level IIIPlanIT Group is seeking a COBOL Developer - Level III to support our Federal customer in the Washington, DC...  ...is coded in COBOL, we have a DB2 DB, and Neon Servers on the mainframe. We are looking for an experienced COBOL developer to help us... 
    Mainframe
    Permanent employment

    PLANIT Group

    Washington DC
    5 days ago
  • $80k - $125k

     ...Appian DeveloperRemote Blu Omega is seeking an Appian Developer to support a federal program focused on supporting an Air Force modernization...  ..., enterprise-level Appian solutions supporting migrating mainframe capabilities to Appian on AWS. The position requires... 
    Mainframe
    Remote work

    Blu Omega

    Arlington, VA
    2 days ago
  • $160k - $190k

     ...MuleSoft Developer Must Have Technical/Functional Skills • Design, develop, test, and deploy MuleSoft APIs and integrations using...  ...Henry, Hogan, etc.) • ServiceNow • Snowflake • Kafka • Mainframe systems • Identity and Access Management solutions... 
    Mainframe

    Tata Consultancy Services

    McLean, VA
    1 day ago
  • Company DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT...  ...BootstrapIBM BPM product used for application development.DB2 mainframe, IBM SOA, IBM rules engine, IBM BPMBusiness process designer,... 
    Mainframe
    Contract work
    H1b
    Worldwide
    Relocation

    USM Systems

    McLean, VA
    4 days ago
  •  ...Senior Vice President, Mainframe DB2 or IMS Systems Programmer About the Company Large enterprise needing expert DB2 mainframe systems support and 24x7 coverage. Industry Financial Services Type Privately Held About the Role The Company is seeking... 
    Mainframe
    Work experience placement
    Weekend work

    Confidential

    Washington DC
    1 day ago
  •  ...Senior Java DeveloperThe role will require you to design, develop and test using JAVA technologies which will facilitate application...  ...application development and deployment experienceWorking with mainframe CICS containers and channels using JCA connectorKnowledge of Continuous... 
    Mainframe

    InterSources

    Washington DC
    2 days ago
  •  ...Mainframe DeveloperLocation: Atlanta, GA / Vienna, VA / Chicago, IL – First Preference Duration: 9/14/2026 – 3/31/2027 Experience: 12–15+ YearsJob Description: Seeking an experienced Mainframe Developer with strong expertise in COBOL, DB2, CICS, and JCL and extensive... 
    Mainframe

    Staffing the Universe

    Vienna, VA
    5 days ago
  •  ...EEWebSphere, Web ServicesMQSeriesRequired Skills:At least 4 years of mainframe-based application development experienceDemonstrated knowledge...  ...and documentation skills will be essential to ensuring developed source code can be interpreted by other members of the development... 
    Mainframe
    Work at office

    Samprasoft

    Washington DC
    5 days ago
  •  ...Job Description Job Title: Senior Cobol Developer Location: Remote. Duration: Full-Time NEED IRS MBI Clearance....  ...systems, particularly IRS IMFOL development. Proficient in IBM Mainframe, ALC, and JAVA. Bachelor's degree or 4 years of related... 
    Mainframe
    Permanent employment
    Full time
    Remote work

    3M Consultancy

    Washington DC
    1 day ago
  •  ...Ins., PTO, Contributing 401K, Tuition Assistance Software Developer Washington, DC Area This is an Onsite Position EM Key...  ...similar RPA software with the ability to develop on Windows, mainframe, web-based browsers, etc. ~ Automation platform components,... 
    Mainframe
    Full time
    For contractors

    EM Key Solutions

    Washington DC
    1 day ago
  • $98.18k - $115.5k

     ...adept with the agile software development lifecycle and DevOps principles.Essential Responsibilities:- Responsible for designing, developing, testing, operating and maintaining products- Takes full stack ownership by consistently writing production-ready and testable... 
    Mainframe
    Full time
    Work experience placement
    Local area
    Remote work
    Work from home
    3 days per week

    US Bank

    Washington DC
    4 days ago
  •  ...TITLE: Sr Java Developer LOCATION: Washington, DC/ Onsite Employment type: Contract w2/1099/C2C MINIMUM EDUCATION: Bachelor’...  ...development and deployment experience. Desired 1 Year · Working with mainframe CICS containers and channels using JCA connectors. Desired 1... 
    Mainframe
    Contract work

    AHU Technologies Inc

    Washington DC
    1 day ago
  • $120k - $140k

     ...Mainframe System Programmer Location US-VA-McLean ID 2026-4657 Category IT / Cyber Security / Network...  ...Independently diagnose and resolve trouble calls in technical areas. Develop and implement technical documentation and technical... 
    Mainframe
    Full time
    Remote work

    American Systems

    McLean, VA
    5 days ago
  •  ...Stack DeveloperThis position requires an experienced Full Stack Developer to analyze business needs and implement technology solutions....  ..., or a related field.Experience with the organization's mainframe systems.Knowledge of Project Portfolio Management.This is a hybrid... 
    Mainframe
    3 days per week

    Apex Systems

    Falls Church, VA
    5 days ago
  • 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
    4 days ago
  •  ...have in-depth knowledge of CICS, DB2, COBOL, JCL, VSAM and other mainframe tools and utilities Must have experience and in-depth...  ...Must have PEGA and COBOL development experience with ability to develop unit/integration test cases. Must have ability to understand... 
    Mainframe
    Local area
    Immediate start
    Weekend work

    Samprasoft

    Washington DC
    4 days ago
  •  ..., diagrams, organizes, information for inclusion in database, developing input/output record layouts, or program views.Codes programs,...  ...database, preferably DB2, SQL Server, or Oracle.Knowledge of Mainframe systemsExperience with Data Migration and Mapping to Cloud solutionsExperience... 
    Mainframe
    Work at office

    System One Holdings, LLC

    Falls Church, VA
    2 days ago
  •  ...programming standardsRequirements:Bachelor’s Degree in Computer Science or related field7+ years’ JAVA, BPM, BRE, Web Services and/or mainframe developmentAt least 3 years of experience with Pega 7.1 or higherDesign, implement, test, and maintain solutions for new and... 
    Mainframe

    NTT DATA

    Reston, VA
    2 days ago
  • $134k - $265k

     ...Domain Tech Lead — Infrastructure Patching Automation (Mainframe & AS/400)Join our AI & Engineering team by transforming technology...  ...program across complex legacy and hybrid infrastructure estates, develop automation solutions that reduce manual effort and risk, and serve... 
    Mainframe
    Local area

    Deloitte

    McLean, VA
    3 days ago
  •  ...SDLC experiencef. Ability to analyze and troubleshoot mid-tier/mainframe infrastructure issues.Job DutiesHands on technical and...  ...ownersCollects and presents data for reporting and planningAssists with developing tactical strategies, processes, and procedures related to... 
    Mainframe
    Work experience placement

    Samprasoft

    Washington DC
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mainframe Developer. Be the first to apply!