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Mainframe System Programmer in zOS & ISVs.

Jacksonville, FL 32246

Posted: 11/05/2025 Industry: IT Job Number: 53723

Job Description

Kavaliro is seeking a Mainframe System Programmer in zOS & ISVs to support a client remotely.

Job Responsibilities
  • Perform standard system programming activities like configuration, installation & maintenance using SMP/E, and vendor software installations in the mainframe environment.
  • Perform Operating System upgrade and RSU maintenance via z/OSMF Workflow.
  • Advanced System Management: Architect, install, and configure highly complex z/OS environments and third-party software.
  • Support Software Standardization and new Feature implementations.
  • Support other team: storage management, performance tuning, capacity planning, security, networking, and operating procedures from zOS perspective.
  • Work with Mainframe System Programmers staff across tracks to enhance the mainframe environment.
  • Assist team members to solve problems, make innovative improvements and make decisions.
  • Identify and implement system and process improvements in the z/OS environment Work with application support teams and other internal customers to facilitate business initiatives.
 Experience level
  • 12+ years of professional work experience as a Mainframe System Programmer in zOS & ISVs.

Technical key skills (Mandatory skills)
  • Expertise in performing SMP/E and Non-SMPE Installation of ISV products)
  • Expertise in IBM and Broadcom Software product Install and Upgrades
  • Mastery of z/OS system commands, utilities, and automation tools.
  • Operating system z/OS V2.5 upgrades or later with z/OSMF workflow execution.
  • IODF, HCD Skillset to add new devices.
  • Sysplex and config management (good to have)
  • Fluent in JCL and IBM Utilities (IEBGENER/IEBCOPY/AMASPZAP/DFDSS)
  • ISPF/TSO and other basic
  • Basic knowledge of REXX/CLIST
  • Designing project plan(upgrades, maintenance, decom) with task list for all stakeholders and communicating the timelines with delivery and customer.
  • Formulate roadmaps with all pre-requisites to achieve a project completion.
Kavaliro provides Equal Employment Opportunities to all employees and applicants. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Kavaliro is committed to the full inclusion of all qualified individuals. In keeping with our commitment, Kavaliro will take the steps to assure that people with disabilities are provided reasonable accommodations. Accordingly, if reasonable accommodation is required to fully participate in the job application or interview process, to perform the essential functions of the position, and/or to receive all other benefits and privileges of employment, please respond to this posting to connect with a company representative.
 

Job Requirements

Remote
By using best practices and optimal employee recruiting strategies, Kavaliro provides employers with employment solutions by providing the most qualified and professional employees, who can staff both project and permanent positions in order to ensure the ongoing success of all types of businesses. We use a streamlined-yet-thorough approach to staffing that saves our clients administrative time, resources and money.
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About Jacksonville, FL

Ready to take your career to the next level? Explore our job opportunities in the vibrant Jacksonville, Florida area! Nestled along the beautiful coast of the Sunshine State, Jacksonville boasts a perfect blend of urban amenities and natural beauty, offering a high quality of life and countless growth opportunities for professionals. With its stunning beaches, thriving arts scene at Jacksonville Landing and Cummer Museum of Art & Gardens, delicious seafood cuisine, and sports events like Jacksonville Jaguars games at TIAA Bank Field, this dynamic city has something for everyone. Join us in Jacksonville and unlock your career potential in this enchanting coastal paradise!

What to expect when working with Kavaliro

Just like with our clients, we build our process to meet each individual candidate s needs. Our recruiters take the time to listen to your career goals and ambitions, then work one-on-one with you to help place you in a company that provides the best professional fit.

01

Call us with a detailed overview of your experience, skills, background, and goals. If you are local and prefer, we will set up a face-to-face interview.

02

You will be asked to complete an online assessment form to assess your skill level. At the same time, your references will be checked.

03

Your Kavaliro recruiter will discuss and review potential job opportunities.

04

When you and your recruiter agree on a potential match, you ll be briefed with helpful insight into the client s needs.

05

When you begin your employment tenure with the client, Kavaliro will continue to be there to support you in your career.

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