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

Mainframe Developer

Eliassen Group

Job Description

Job Description

Description:

Hybrid Every Other Week onsite / 5 days in Westlake, TX

 

Our client seeks a Mainframe Developer to design, build, and support applications on a Z/OS platform. The team leverages financial domain expertise across demographic and financial feed processing, recordkeeping, and transaction processing. You will translate business requirements into software solutions using COBOL, DB2, CICS, JCL, and VSAM, while contributing to standards, policies, and development strategies.

 

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

 

Rate: $50.00 to $54.00/hr. w2

Responsibilities:
  • Perform as a full stack engineer, including requirements gathering, development, and testing.
  • Participate in architecture design teams and help define and implement application level architecture.
  • Develop applications on sophisticated projects, components, and subsystems.
  • Recommend development testing tools and methodologies and review and validate test plans.
  • Be responsible for QA readiness.
  • Plan and conduct system testing.
  • Develop comprehensive documentation for multiple applications or subsystems.
  • Establish project plans for complex projects across multiple platforms.
  • Plan and coordinate project schedules and assignments.
  • Act as a primary liaison for business units to resolve project and technology issues.
  • Provide technology solutions to daily issues and deliver technical evaluation estimates on initiatives.
  • Advise senior management on technical strategy and mentor junior team members.
  • Perform independent and complex technical and functional analysis for multiple projects.
  • Identify opportunities to innovate and automate existing processes.
Experience Requirements:
  • Five years of mainframe application development, test automation, and support using COBOL, CICS, DB2, JCL, VSAM, MQ-Series, Java, Web Services, and SQL.
  • Experience developing and deploying Batch and CICS applications.
  • Experience with File-Aid for file format and comparison, version management with Endevor, debugging and unit testing using Intertest and Abend-AID, and scheduling with Control-M.
  • Experience analyzing and designing data flows for mainframe applications.
  • Experience with performance tuning in TSO and MVS environments using Endevor, Git, ClearCase, Control-M, Abend-AID, Intertest, File-Aid, Easytrieve, and tools such as Strobe, iStrobe, Platinum Detector, and TMON to reduce I/Os, CPU time, MSUs, and MIPs.
  • Experience with open source technologies such as Python.
Education Requirements:

Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, Mathematics, Physics, or a related field, and five years of experience in the role or in mainframe brokerage and stock plan services systems application development.

Recruitment Transparency Notice

 

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening  and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ( View email address on ziprecruiter.com , View phone number on ziprecruiter.com) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools, including AI tools, as part of the application and hiring process.

 

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range. W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality. If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:

· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.

· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

If you have any indication of fraudulent activity, please contact  View email address on ziprecruiter.com.

 

About Eliassen Group:

 

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

 

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.

 

Don’t miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!

 

Vacancy posted 9 days ago
Similar jobs that could be interesting for youBased on the Mainframe Developer in Westlake, TX vacancy
  •  ...Purple Drive Senior Mainframe Developer Share Contractual Westlake, TX PDT - 9143 10-15 10/17/2025 Overview: The candidate should have at least 10+ years of experience in below : Experience in defining, developing, and leading an interactive team to implement... 
    Mainframe
    Work experience placement

    Purple Drive

    Roanoke, TX
    1 hour ago
  •  ...Position Details Requirement Role Senior Mainframe Developer Location Westlake TX Duration Long Term Contract Number of Interviews I CBIE Assessment + 2 Rounds Candidate must have: • The candidate should have at least 10+ years of experience in below : • Experience... 
    Mainframe
    Long term contract

    ApTask

    Westlake, TX
    3 days ago
  •  ...Description On-site in Westlake, TX Our client seeks a Senior AWS Cloud Developer to build scalable backend services for digital financial experiences. The team modernizes mainframe capabilities and delivers reusable Java applications that power customer-focused... 
    Mainframe

    Eliassen Group

    Westlake, TX
    3 days ago
  •  ...Description As a Senior Cloud Engineer, you will design, develop, and maintain modern, highly available, and scalable interfaces...  ...including application, network, and infrastructure components. Mainframe experience and COBOL knowledge. Experience developing and... 
    Mainframe

    HCL Global Systems

    Westlake, TX
    4 days ago
  •  ...with Java and REST API expertise. The software engineer will develop and work to implement critical Java and UI components required...  ...and data exchange platforms. The Technology Platform consists of Mainframe and Distributed Architecture as well as multiple interfaces... 
    Mainframe
    Work at office
    Work from home

    Samprasoft

    Roanoke, TX
    2 days ago
  •  ...development of the Event Distribution Platform and help modernize the Fidelity Electronic Notification System (FENS) from a legacy mainframe-based solution into a scalable, cloud-native, event-driven BNS platform. These platforms will enable real-time, compliant, and... 
    Mainframe
    Full time

    Fidelity Investments Inc.

    Westlake, TX
    2 days ago
  •  ...Description On-site in Westlake, TX\n \n \nOur client seeks a Senior AWS Cloud Developer to build scalable backend services for digital financial experiences. The team modernizes mainframe capabilities and delivers reusable Java applications that power customer-focused... 
    Mainframe

    Eliassen Group

    Westlake, TX
    26 days ago
  • Grapevine, TexasOnsiteFull Time$100k - $135kWe are searching for an experience developer who has worked on Mainframe (ideally AS/400) applications. In this position you will be working with a small/midsize logistics company to develop software for business-critical systems... 
    Mainframe
    Full time
    Local area

    Motion Recruitment

    Grapevine, TX
    3 days ago
  •  ...Mainframe Programmer Fidelity TalentSource is your destination for discovering your next temporary role at Fidelity Investments. We...  ...sits within the development team and is a client facing role to develop software for Company Match within Fidelity's Workplace Investments... 
    Mainframe
    Temporary work

    Samprasoft

    Roanoke, TX
    2 days ago
  •  ...infrastructure as code, observability, and chaos testing while guiding developers and improving production insights. The Production Services...  ..., application, batch, cloud, UI, middle tier, database, mainframe, release, and performance engineering services.   Due to client... 
    Mainframe
    Hourly pay
    Local area

    Eliassen Group

    Westlake, TX
    5 days ago
  •  ...I have an opportunity for "Mainframe QA" and looking for a candidate who can join Immediately if you are interested reply me with your updated resume or consultant's contact details and if you could refer someone i really appreciate it. Job Title : Mainframe QA... 
    Mainframe
    Contract work
    H1b
    Immediate start

    Navtech

    Westlake, TX
    1 day ago
  •  ...70.00/hr. w2\n \n \nJN -062026-107359\n \n Responsibilities \n \n Work within one of seven agile SCRUM squads. \n Develop, maintain, and test solutions across Angular, Node.js, API, and AWS. \n Perform code reviews, unit testing, and integration testing... 

    Eliassen Group

    Westlake, TX
    3 days ago
  •  ...and other managed file transmission protocolsExperience with batch and data support activities using JCL, COBOL, DB2 and various mainframe technologies such as Control-M, TSO, ISPF, and SQL.Experience with Python scripting and automationProven ability to script mainframe... 
    Mainframe
    Work experience placement
    Weekend work

    Veracity

    Roanoke, TX
    1 day ago
  •  ...encouraged to quickly gain understanding of all the components of our mainframe applications and will work with the team to deliver...  ...Excellent systems analysis skills ~ Demonstrable experience developing and authoring solution requirements, user stories, and specifications... 
    Mainframe
    Full time

    Fidelity Corp

    Roanoke, TX
    1 hour ago
  • ETL DeveloperHybrid (5 Days in month)Westlake, TXETL and reporting tools: Informatica, Power BI, Web focus, Tableau, Business objects - Demonstrative experience in Oracle/ PL-SQL - Exposure to OBIEE or other reporting/BI tools - 24x7 on call once every 5 weeks Core Brokerage...

    InteliX Systems

    Roanoke, TX
    3 days ago
  •  ...Responsibilities: Design, analyze, test, implement, and support mainframe systems. Manage deployments in a highly granular SYSPLEX...  ...network policies and perform IP whitelisting in Snowflake. Develop and enhance automation, reporting, and installation scripts using... 
    Mainframe
    Contract work

    2T Consulting

    Coppell, TX
    12 days ago
  •  ...application components and platform data flows, inputs, and outputs. Develop customer journey maps and supporting documentation, user...  ...schemas, and SQL management tools. ~ Familiarity with mainframe concepts, programs, and jobs is helpful. ~ Experience with Agile... 
    Mainframe
    Hourly pay
    Local area

    Eliassen Group

    Westlake, TX
    5 days ago
  • Description Hybrid Every Other Week onsite / 5 days in Westlake, TX Our client seeks a Full Stack Engineer to deliver stable, robust, and resilient digital web experiences for healthcare benefits and management. The role emphasizes modern front-end and middle-tier...

    Eliassen Group

    Westlake, TX
    2 days ago
  •  ...champion quality engineering. The work will support Corporate Services Technology with a focus on finance technology, serving a large developer group while operating with autonomy. The outcome is a reliable, test-automated product that improves customer experience. Due... 

    Eliassen Group

    Westlake, TX
    2 days ago
  •  ...We are seeking an experienced Mainframe RACF Consultant with strong expertise in RACF on z/OS, Mainframe Security, and Certificate Management...  ...troubleshoot mainframe security and network access issues. Develop or maintain automation/scripts using REXX, CARLa, Assembler,... 
    Mainframe
    Contract work
    Remote work

    Techvilla Solutions

    Coppell, TX
    26 days ago
  •  ...are seeking an experienced BMC MainView Consultant with strong mainframe systems engineering experience to support the design, implementation...  ...reliability of systems software and automation processes. Develop and enhance installation scripts, reporting processes, and... 
    Mainframe
    Contract work

    2T Consulting

    Coppell, TX
    24 days ago
  •  ...Job Description Job Description Description: Onsite in Westlake, TX   Our client seeks a Mainframe Engineer to develop and maintain high-volume, business-critical money movement platforms within brokerage record-keeping technology. You will collaborate with product... 
    Mainframe
    Hourly pay
    Local area

    Eliassen Group

    Westlake, TX
    5 days ago
  •  ...Job Description Job Description Job Title: Senior Database Developer – Oracle PL/SQL. Location: Westlake, TX (On-site). Employment Type: Contract (W2 through ZipStaff). About the Opportunity: ZipStaff is seeking a Senior / Principal Oracle PL/SQL Developer... 
    Contract work

    ZipStaff Inc.

    Roanoke, TX
    12 days ago
  •  ...Principal Software Engineer in Test to engineer testing solutions for the Fidelity Insurance Agency product area. The role will design, develop, test, deploy, maintain, and improve software solutions with a focus on test automation, quality, and best practices. The work... 

    Eliassen Group

    Westlake, TX
    2 days ago
  •  ...teams are located across USA and India. Team size is 150+ resources across IT and Product organized into highly motivated team who develop and deliver using Agile Methodology.The Health Care Technology Group (HCG) TeamThe Health Care Technology Group (HCG) Team is looking... 
    Remote work

    Software Technology Inc

    Roanoke, TX
    3 days ago
  •  ...Full Stack Developer Fidelity Investments is looking for top Java and Node engineering talent that can, via skilled development, deliver enterprise scale customer facing services. This role will play a key part in developing Fidelity’s next generation of life events... 

    Software Technology Inc

    Roanoke, TX
    1 day ago
  •  ...as SASS or Lint; DOM. Ability to create cross browser page layouts and components. Knowledge of design techniques for developing websites with good performance (i.e. lazy loading, use of Spites, etc.). Knowledge of expanded HTML5 semantics and popular HTML... 

    Kaav Inc.

    Roanoke, TX
    4 days ago
  • Job Description Job Description Description: Hybrid Every Other Week onsite / 5 days in Westlake, TX Our client seeks a Software Engineer in Test to advance quality assurance for data engineering within the Workplace Investing domain. The role focuses on building...
    Hourly pay
    Local area

    Eliassen Group

    Westlake, TX
    15 days ago
  •  ...Week onsite / 5 days in either Westlake, TX or Westlake, TX   Our client seeks a Senior Software Engineer in Test to design and develop automated testing solutions and in-house utilities within a Quality Engineering organization. The role focuses on test automation... 
    Hourly pay
    Local area

    Eliassen Group

    Westlake, TX
    25 days ago
  •  ...champion quality engineering. The work will support Corporate Services Technology with a focus on finance technology, serving a large developer group while operating with autonomy. The outcome is a reliable, test-automated product that improves customer experience.... 
    Hourly pay
    Local area

    Eliassen Group

    Westlake, TX
    9 days ago

Do you want to receive more vacancies?

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