Logo for Tier One Technologies, LLC

z/OS Mainframe Developer (Remote)

Tier One Technologies, LLC

Role overview

Qualifications

  • A degree from an accredited College/University in Software Engineering, Computer Science, or related discipline
  • 8+ years of hands-on experience with COBOL programming on IBM z/OS
  • Proficiency in JCL, VSAM, DB2, IMS, CICS and RACF
  • Strong knowledge of batch processing and online transaction processing

Responsibilities

  • Research, design, implement, and manage software programs as well as testing and evaluating new programs
  • Resolve problems with software and respond to suggestions for improvements and enhancements
  • Write and implement efficient code
  • Develop quality assurance procedures and deploy software tools, processes and metrics

About the company

Tier One Technologies, LLC logo

Tier One Technologies, LLC

Tier One Technologies is a national technical consulting and services firm. The company provides technical delivery management for clients primarily in the government sector including Federal, State and Local. Tier One Technologies is a GSA MAS Schedule 70 contract holder.

Company details

Company size11 - 50

Links

LinkedIn See all jobs

Your match analysis

See how your profile stacks up against this role.

We compared the job requirements to your profile to show where you're strong and where you fall short.

Job description

Overview:
  • Tier One Technologies has an immediate need for a z/OS Mainframe Developer to support our US Government client.
  • This is going to be a 100% remote position.
  • SELECTED CANDIDATES WITHOUT REQUIRED CLEARANCE WILL BE SUBJECT TO A FEDERAL GOVERNMENT BACKGROUND INVESTIGATION TO RECEIVE IT.
Responsibilities:
  • Research, design, implement, and manage software programs as well as testing and evaluating new programs.
  • Resolve problems with software and respond to suggestions for improvements and enhancements.
  • Write and implement efficient code. Develop quality assurance procedures and deploy software tools, processes and metrics.
  • Participate in development of software user manuals. Instructs, assigns, directs, and checks the work of other software developers on the development team.
  • Consult with engineering staff to evaluate software-hardware interfaces and develop specifications and performance requirements.
Qualifications:
  • A degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is required.
  • 8+ years of hands-on experience with COBOL programming on IBM z/OS.
  • Proficiency in JCL, VSAM, DB2, IMS, CICS and RACF.
  • Strong knowledge of batch processing and online transaction processing.
  • Must have experience with IBM utilities, TSO/ISPF, and Abend-AID.
  • Experience in mainframe migration projects or modernization initiatives is preferred.
  • Experience with Control-D, Control-M, File-AID.
  • Familiarity with AI/ML tools (CoPilot, WatsonX, ReDux, others) for code analysis, pattern recognition, or modernization support.
  • Understanding of AI-driven code refactoring platforms/products and the ability to leverage AI to improve testing, documentation, and process optimization.
  • Familiarity with DevOps practices on mainframes, including tools like Jenkins and Git.
  • Strong written and verbal communication skills (ability to translate between business and technical concepts).
  • All candidates must be US Citizens or have permanent residence status (Green Card).
  • Must be able to obtain Public Trust Clearance.
  • Candidate must have lived in the United States for the past 5 years.
  • Cannot have more than 6 months travel outside the United States within the last 5 years. Military Service excluded.

Apply once. Then go straight to the hiring manager.

After you apply, unlock the direct contact details of the people who actually make the call. A quick follow-up makes you 5x more likely to land an interview.

MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
Unlocked after you apply
·

Related jobs

Virginia (USA)

Other jobs at Tier One Technologies, LLC

Premium

Reach out to the hiring manager directly.

Gain access to the contact details of the hiring managers who actually decide, and reach out to network with them directly. That, plus more when you upgrade:

  • Full match report with fit score and gaps
  • Career diagnostics on how recruiters read you
  • Curated company matches and warm intros
  • 48h early access to new roles

Cancel anytime.