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Senior Mainframe Engineer (ChangeMan ZMF)

Jobs via Dice
Reston, VA Contractor
POSTED ON 12/31/2025
AVAILABLE BEFORE 1/29/2026
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We are looking for a Senior Mainframe Engineer (ChangeMan ZMF) for our client in Reston, VA

Job Title: Senior Mainframe Engineer (ChangeMan ZMF)

Job Location: Reston, VA

Job Type: Contract

Job Description:

Essential Functions:

  • 25% Perform technical detail design, coding, testing of applications.
  • Serves as subject matter expert for both customer and internal discussions related to maintaining and enhancing existing software systems.
  • Develop and/or analyze interface design documentation.
  • Comply with hardware and software systems standards and procedures.
  • Deliver large systems for tens of thousands of users.
  • Comply with code quality, migration and dev/ops standards and policies
  • 25% Performs software analysis, including requirements and uses case development and design.
  • Implements and documents source code to design specifications.
  • Performs software testing including developing and running automated unit tests, drafting, and executing structured automated test cases.
  • Compile, assess, and report data results from software testing and analysis.
  • 25% Develops software solutions for enterprise environments and other technologies.
  • Analyzes and implements functional and non-functional (e.g. performance, availability) requirements and designs, implements, and tests software.
  • Performs operations & maintenance (O&M) of existing systems.
  • Identifies areas for improvement and streamlining.
  • Demonstrated experience with front-end and back-end programing and integration frameworks and tools.
  • Assist in the estimation of development of application features
  • 25% Provides direct technical support for high level, high visibility and critical trouble calls for supported applications.
  • Works with cross functional teams to develop highly reliable software that runs at scale.
  • Provides recommendations to infuse new technology.
  • Extend open-source libraries and systems as necessary to meet the needs of the team.
  • Play a crucial role in product scoping and roadmap / architecture discussions.
  • Continually evaluate emerging technologies to identify opportunities, trends, and best practices.
  • Mentoring of junior software engineers.

Qualifications:

  • To perform this job successfully, an individual must be able to perform each essential duty satisfactorily.
  • The requirements listed below are representative of the knowledge, skill, and/or ability required.
  • Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Education:

  • Information Technology or Computer Science.

Experience:

  • 5 years of experience with software development, basic coding and compilation, software architecture/design, user requirements definition and software specification development.
  • In place of a Bachelor's degree, an additional 4 years of relevant work experience is required in addition to the required work experience.

Knowledge, Skills, and Abilities (KSAs):

  • Very technically proficient in ChangeMan ZMF.
  • Excellent knowledge of ZMF integration with such tools as RACF, XPEditer, JobScan, Email via SMTP, CICS, DB2, ISPF/TSO, Dialog Manager Panels/Skeletons and REXX programming.
  • Strong skills in Microsoft Excel, Word and PowerPoint.
  • Proven track record of excellent team management and conflict resolution.
  • Experienced in managing a team in multiple offices and home-based locations.
  • Customer service focused.
  • Analytical and critical thinker, skilled in mediation.
  • Consistently meet goals.
  • Ability to communicate technical requirements to all levels of expertise., Advanced
  • Proficient in establishing and maintaining good working relationships., Advanced
  • Knowledge and understanding of software development life cycle (SDLC)., Advanced
  • Proficient with integrating complex and/or existing systems., Advanced
  • Knowledge of programming languages (e.g. JavaScript, C, Python, etc.)., Advanced
  • Excellent communication skills both written and verbal., Advanced
  • Knowledge of cloud technologies (e.g. AWS, Azure),
  • Proficient Knowledge of database technologies (e.g. DB2, cloud, SQL, Oracle, Mongo DB, PostgreSQL, etc.).
  • Advanced Fundamental knowledge of software engineers best practices, agile methodologies, CI/CD pipelines.
  • Proficient Knowledge of test-first practices including Test-Driven Development (TDD) for unit tests and Behavior-Driven Development (BDD) for automated acceptance tests.
  • Advanced Strong experience with Deployment/Continuous Integration/ Continuous Testing/ Continuous Delivery processes and tools and have expertise in CI/CD tools and framework., Advanced
  • Knowledge of Code quality and promotion practices.

Hourly Wage Estimation for Senior Mainframe Engineer (ChangeMan ZMF) in Reston, VA
$50.00 to $63.00
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