Senior​/Principal Fullstack Developer - Emergency Response Software Development, Onsite

Senior/Principal Fullstack Developer - Emergency Response Software Development, Onsite

Sandia National Laboratories is the nation’s premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting‑edge work in a broad array of areas. Some of the main reasons we love our jobs:

Challenging work with amazing impact that contributes to security, peace, and freedom worldwide Extraordinary co‑workers Some of the best tools, equipment, and research facilities in the world Career advancement and enrichment opportunities Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten‑hour days each week) compressed workweeks, part‑time work, and telecommuting (a mix of onsite work and working from home) Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance*

World‑changing technologies. Life‑changing careers. Learn more about Sandia at: http://(Use the "Apply for this Job" box below)..gov

* These benefits vary by job classification.

What Your Job Will Be Like:

The Emergency Response Software Development Team (ERSDT) is seeking an enthusiastic full‑stack developer to join our team and help design, build, and maintain innovative software tools and solutions that support the Department of Energy's Nuclear Incident Response Program (NIRP). NIRP provides research and technical solutions, expert analysis, and highly trained emergency response professionals to support the Federal Governments response to accidents or acts of terrorism involving radiological, chemical, or biological material.

The software developed by our team directly supports this vital national mission.

As a software engineer on the ERSDT, you will work alongside a collaborative team to develop a wide range of custom applications, including both web‑based and standalone tools, that help scientists, engineers, and emergency response professionals tackle complex technical challenges. You will work directly with technical staff and subject matter experts to understand mission needs, translate scientific and operational requirements into effective software solutions, and deliver capabilities that have real‑world impact.

This role offers the opportunity to work in a fast‑paced, highly collaborative environment where mission needs evolve, and technical challenges are both complex and meaningful. The successful candidate will have experience working with scientific and technical software applications and will enjoy partnering closely with scientists, engineers, and other technical staff throughout the development lifecycle. In this position, you will have the opportunity to leverage the unique expertise, multidisciplinary environment, and mission focus of a national laboratory to solve difficult problems in support of emergency response and national security.

On any given day, you may be called on to:

• Design, develop, and test high‑reliability applications that support emergency response missions
• Diagnose and resolve software issues across development, test, and production environments
• Apply agile development practices such as continuous integration, collective code ownership, and code review to deliver high‑quality software
• Collaborate with subject matter experts to translate scientific and operational needs into effective software solutions
• Contribute to team coding standards, development practices, and software quality

The position allows a combination of onsite and offsite work. The candidate must live within a reasonable distance of the assigned work location and be available to work onsite a minimum of three days per week as necessary.

Must be willing to support occasional travel.

Salary Range:

$117,500 - $235,700

* Salary range is estimated, and actual salary will be determined after consideration of the selected candidate's experience and qualifications, and application of any approved geographic salary differential.

Qualifications We Require:

A Bachelor's degree in a relevant discipline and five (5) years of directly relevant…