• Mainframe Assembler

    System One (Rockville, MD)
    Job Title: Mainframe Assembler Location: Rockville, Maryland Type: Contract Compensation:180k We are seeking a highly skilled and experienced Senior Mainframe ... existing systems and building new applications within a high-performance mainframe environment. Key Responsibilities: + Collaborate with cross-functional teams to… more
    System One (09/25/25)
    - Save Job - Related Jobs - Block Source
  • Mainframe Developer

    System One (Rockville, MD)
    …Contractor Work Model: Onsite ALTA IT Services is seeking a highly experienced Z/OS Mainframe Developer with deep expertise in Assembler , COBOL, and CICS. The ... Batch processing + TSO/ISPF + Extensive hands-on experience with Assembler , COBOL, and CICS in aZ/OS Mainframe ...with Assembler , COBOL, and CICS in aZ/OS Mainframe environment + Strong coding skills with proven adherence… more
    System One (09/03/25)
    - Save Job - Related Jobs - Block Source
  • z/OS Mainframe Systems Programmer

    System One (Bethesda, MD)
    z/OS Mainframe Systems Programmer Location: Remote (must be in US / EST Hours) Pay Rate: $60-$68/h w/ conversion salary of 125k Public Trust Required ... Responsibilities: DMI, LLC is seeking az/OS Mainframe Systems Programmer to join us. The z/OS ...to z17. + Proficiency in COBOL (v6.2, v5.2, v4.2), Assembler , and REXX for utilities and automation. + Strong… more
    System One (10/07/25)
    - Save Job - Related Jobs - Block Source
  • Senior Mainframe Engineer- System…

    Navy Federal Credit Union (Vienna, VA)
    Overview The Senior Mainframe Engineer role is accountable for research, evaluation, design, implementation, and system maintenance and product solutions. Provides ... trends, issues, and best practices related to the IBM mainframe environment. Talent Quest This position is eligible for...HCD - WLM - SMP/E - USS - z/Architecture Assembler , COBOL, SAS/MXG, REXX - CICS Desired Qualifications +… more
    Navy Federal Credit Union (10/10/25)
    - Save Job - Related Jobs - Block Source
  • Sr. Mainframe Automation Systems Programmer

    Ensono (Washington, DC)
    Sr. Mainframe Automation Systems ProgrammerRemote - United StatesJR012294 **Position Summary** As part of Mainframe Automation, this position will be part of a ... - Writing and documenting code + Programming languages: REXX, Assembler + Code hosting platforms for version control and...as Jira or Bugzilla (Scrum and Kanban Boards) + Mainframe Operating systems and their sub-components - z/OS, MVS… more
    Ensono (09/06/25)
    - Save Job - Related Jobs - Block Source
  • Mainframe Systems Programmer - z/VSE…

    Ensono (Washington, DC)
    Mainframe Systems Programmer - z/VSE preferred z/OS accepted - Flexible hours with limited on callRemote - United StatesJR012218 At Ensono, our Purpose is to be a ... traits are the key to achieving our purpose. **Role Summary:** The z/VSE Mainframe Systems Programmer will provide support for on-going project that require the… more
    Ensono (08/19/25)
    - Save Job - Related Jobs - Block Source
  • Principal Professional Services Consultant

    Rocket Software (Washington, DC)
    …Enterprise Developer, Enterprise Server, Server Express, Net Express + Any additional mainframe language or environment, such as REXX, Assembler , Natural, Adabas ... Suite Professional Services Team is looking for a highly skilled Mainframe Modernization Senior Consultant to provide technical support and/or leadership in… more
    Rocket Software (10/10/25)
    - Save Job - Related Jobs - Block Source
  • Senior Release Management Engineer-12064-Hybrid

    Shuvel Digital (Vienna, VA)
    …+ Application development Nice to Have Experience With: + IBM Mainframe (z Series) configuration items including data, applications and infrastructure: COBOL, ... CICS, Assembler , REXX, JCL, FileAid, AbendAid, Strobe and SysView; + Reporting: Crystal Reports and Cognos + WebSphere Engineering and Administration… more
    Shuvel Digital (09/25/25)
    - Save Job - Related Jobs - Block Source
  • Professional Services III- Amz24280.1

    Amazon (Herndon, VA)
    …and/or distributed application architecture; and (5) hands-on technical experience with mainframe , non-x86 legacy systems and with technologies such as COBOL, JCL, ... CICS, DB2 for z/OS, Assembler , PL/I, Java, REXX, flat/sequential files, GDGs, or VSAM. Preferred Qualifications All applicants must meet all the above listed… more
    Amazon (09/05/25)
    - Save Job - Related Jobs - Block Source