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Principal Software Developer

at Naval Nuclear Laboratory operated by FLUOR Marine in Idaho Falls, Idaho, United States

Job Description

About Us

Job Description

The Process Improvement and Engineering Support (PIES) unit at the Naval Nuclear Laboratory (NNL) is seeking a Software Developer with a strong emphasis on Quality Assurance (QA) to support the NRF Custom Application Team. In this role, you will be responsible for contributing application development with a QA driven mindset, integrating QA practices throughout the software development lifecycle, designing and executing test plans for new applications and features, and collaborating closely with the development team to ensure high standards and reliable software delivery.

As a key member of the team, you will:

* Participate in coding and application development with a QA-focused approach
* Evaluate, recommend, and implement software testing tools and frameworks
* Embed automated and manual tests into application development processes
* Continuously enhance QA strategies and testing methodologies to improve product quality
* Develop, write, and execute comprehensive software test plans
* Work closely with users and stakeholders to ensure software meets functional and quality requirements

Required Combination of Knowledge and Skill
Bachelor's degree from an accredited college or university and a minimum of 9 years of relevant experience; or
Master's degree from an accredited college or university in a related field and a minimum of 7 years of relevant experience.

Preferred Skills

Proven experience as a software developer with a focus on QA and testing, including:

* Experience with .Net, React, and Cypress or related frameworks
* Test-driven development skills
* Implementation of testing programs and processes
* Preparation and analysis of testing reports
* Oracle or SQL Server database development or testing

Compensation and Benefits

Health, Dental, Vision & Voluntary Benefits
Disability, Life & Accident Insurance
401(k) Savings program & Capital Accumulation Plan
Personal & Medical Time Off
Paid Parental Leave
Flexible Work Schedules
Tuition Assistance for Eligible Employees
Student Debt Benefit Personal Time Off Sell Program
Employee Assistance Program (EAP)
Wellness Program
Visit us online to view all NNL benefits!

Pay Range
$117,900.00 - $184,300.00 annually

Salary information provided is a general guideline only. Annual salary is based upon candidate experience and qualifications, as well as market and business considerations.
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*Equal Employment & Accessibility*

Fluor Marine Propulsion, LLC is an Equal Opportunity Employer, including disability/vets.

Any applicant with a physical or mental disability who requires special assistance or a reasonable accommodation for any part of the application, please contact us at:

- 518-395-7474
- NNLDisabilityAccommodations@unnpp.gov

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Job Posting: 2604048

Posted On: Aug 31, 2026

Updated On: Aug 31, 2026

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