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Principal Mainframe Engineer

Job in Fort Worth, Tarrant County, Texas, 76102, USA
Listing for: Navy Federal Credit Union
Full Time position
Listed on 2026-08-03
Job specializations:
  • IT/Tech
    Systems Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 160000 USD Yearly USD 120000.00 160000.00 YEAR
Job Description & How to Apply Below

Navy Federal Credit Union currently does not provide sponsorship for this role. Applicants must be authorized to work in the United States without the need for current or future sponsorship. Design, implement, maintain, and improve Navy Federal mainframe systems. Configure and troubleshoot unique operating systems and obsolete tools. Ensure the smooth operation of our systems and develop new features and functionality to support business needs.

Work independently to interpret and develop solutions to complex business challenges that have a significant impact on the function or branch. Specialized skill set and proficiency with procedures and techniques. Recognized as an expert in own area within the company.

Responsibilities
  • Lead the design and implementation of complex mainframe solutions, and maintain mainframe applications – TPHOST programs.
  • Establish the technical direction of mainframe development and architecture, aligning with organizational goals.
  • Monitor system performance and troubleshoot problems.
  • Configure, perform analysis and maintain mainframe hardware and software to optimize system performance and availability.
  • Use obsolete tools and languages to address challenges and optimize system performance.
  • Document and update system procedures and provide support and training to end users.
  • Develop and test new software and system updates.
  • Research and make recommendations of emerging technologies to enhance mainframe capabilities.
  • Assist with the development and enhancement of practices, procedures, and instructions
  • Develop and maintain strong working relationships with team members, subject matter experts, and leaders; work with senior management on complex issues
  • Lead medium to large projects and initiatives
  • Act as a technical advisor and mentor/train junior engineers and interns as needed.
Qualifications
  • Master's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
  • Minimum 5 years of experience in mainframe engineering and application development.
  • Subject matter expert within business area/specialization with understanding of interrelationships of different disciplines.
  • Subject matter expert in Fidelity Information Systems (FIS) and Systematics Core banking application (GN, RM, ST, IMPACS, ALS, etc).
  • Experience using Changeman.
  • Comprehensive understanding of data dictionaries, copybooks, and parms.
  • Advanced knowledge of mainframe systems, unique operating systems, and obsolete programming tools and languages.
  • Advanced knowledge with mainframe systems, Assembler, COBOL, JCL, and databases such as DB2.
  • Advanced knowledge of z/OS system software, subsystems, and utilities.
  • Significant experience in delivering large-scale mainframe projects.
  • Advanced communication skills, both written and verbal.
  • Advanced problem-solving and analytical skills.
Additional Information

Hours:
  • Monday - Friday, 8:00AM - 4:30PM
Location:
  • Remote
About Us

Navy Federal provides much more than a job. We provide a meaningful career experience, including a culture that is energized, engaged and committed; and fierce appreciation for our teams, who are rewarded with highly competitive pay and generous benefits and perks.

Our approach to careers is simple yet powerful:
Make our mission your passion.

  • FORTUNE
    100 Best Companies to Work For® 2025
  • Yello and Way Up Top 100 Internship Programs
  • Computerworld® Best Places to Work in IT
  • Newsweek Most Loved Workplaces
  • 2025 PEOPLE® Companies That Care
  • Newsweek Most Trustworthy Companies in America
  • Military Times 2025 Best for Vets Employers
  • Best Companies for Latinos to Work for 2025
  • Forbes® 2025 America’s Best Large Employers
  • Forbes® 2025 America's Best Employers for New Grads
  • Forbes® 2025 America's Best Employers for Tech Workers
  • 2025 Ripple Match Campus Forward Award Winner for Overall Excellence
  • Top Military Spouse Employers 2025
  • 2025 Handshake Early Talent Award

From Fortune. ©2025 Fortune Media IP Limited. All rights reserved. Used under license. Fortuneand Fortune Media IP Limited are not affiliated with, and do not endorse products or services of, Navy Federal Credit Union.

Equal Employment Opportunity

All qualified applicants will receive consideration for employment…

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