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Fulltime - "Sr. Mainframe Developer" - Plano, TX (Onsite)

Covetus, LLCPlano, TX🇺🇸United StatesPosted 14 Aug 2026

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

Title: Sr. Mainframe Software Engineer
Location: Plano, TX (Onsite Role)
Duration: Fulltime + Benefits
Note: This position is concentrated on the Mainframe platform, with development in Assembler language.
In this role, you will:
  • Design and develop: Create high-quality software design and architecture for applications on the mainframe platform.
  • Build and implement: Produce, test, and debug functional software solutions, leveraging your Mainframe expertise to modernize our enterprise software.
  • Collaborate: Partner with product management and fellow software engineers in an Agile environment to define software requirements and deliver solutions.
  • Automate: Increase efficiency by automating tasks through appropriate tools and scripting.
  • Drive innovation: Contribute to a fast-paced environment with a passion for continuous improvement and technology innovation.
Key Responsibilities:
Collaboration and Leadership:
  • Collaborate with other product SW Engineers to share knowledge, best practices, and lessons learned.
  • Performing validation and verification testing.
  • Mentor junior engineers and guide them in their professional growth.
  • Excellent written and verbal communication skills, ability to efficiently collaborate with multiple teams across geographically diverse areas.
  • Experience working in an Agile development methodology and an understanding of DevOps principles.
Engineering Excellence Initiatives:
  • Take the lead in engineering excellence initiatives, promoting best practices, code quality, and technical debt reduction.
  • Contribute to retrospectives and actively address impediments to team productivity.
  • Ensuring software is up-to date with latest technologies. Continue to build Mainframe expertise and keep abreast of new technology, processes, systems, and tools.
Required Skills & Competencies:
  • Proven Mainframe knowledge and skills.
  • IBM Assembler Language (HLASM) proficiency.
  • z/OS Operating system familiarity.
  • Experience working with CA 1 Flexible Storage, Vtape, DASD Storage Management, DFSMS, Allocate, DFShsm, DFSrmm and/or other mainframe storage products and systems is a plus.
  • Source control systems experience (Endevor/ ISPW, etc.)
  • Experience with online z/OS debugger is desirable (XDC/ SLD).
  • Strong analytical, problem solving and debugging skills.
  • Proficiency in Metal C (or PL/X) and JCL.
  • Scripting language experience is desirable.
  • Experience in developing authorized code is desirable.

Preferred Education:
Bachelor's degree in Computer Science, Electrical Engineering or equivalent in a related field.

Work Experience:
Eight or more years of experience in software development or a related field.

Business Travel and Physical Demands:
  • No (or minimal) business travel is expected for this position.
  • Office environment. No special physical demands are required.

Skills

Agile

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