SRI International

PNT & GPS Research Engineer

Job Locations US-CO-Boulder | US-CA-Menlo Park | US-CA-Remote | US-VA-Arlington | US-NJ-Princeton
Position Type
Worker Type
Fully Remote


SRI International, an over 75-year strong pioneering research institute, has a rich history supporting government and industry. Our innovations have created new industries, billions of dollars in market value and lasting benefits to society. SRI is organized around broad disciplines and capabilities, with research and development divisions and labs to groups who excel at identifying new opportunities, developing products and creating custom solutions. Our organization is driven by impact - delivering unique solutions for the world's important challenges and transforming ideas into reality for clients and partners.


SRI International's Advanced Technology and Systems Division (ATSD) performs research across a wide range of disciplines. SRI specializes in transitioning technology from basic R&D to fieldable prototypes for both US government and commercial customers. The Applied Physics Lab in ATSD conducts R&D in communications, radar, PNT, Intelligence, Surveillance and Reconnaissance (ISR), quantum sensing, semiconductor physics, and in a variety of space applications.


ATSD’s Applied Physics Laboratory has an opening for a Positioning, Navigation, and Timing (PNT) Research Engineer. We are seeking a candidate with R&D experience in the general GPS, GNSS, and PNT domain. Whereas our primary thrust tends to be in the satellite navigation and timing (SATNAV and/or GNSS) domains, PNT experience and knowledge in other domains (ground, air, undersea) is also desirable. This candidate will be expected to start as an individual contributor on current programs and grow into a principal investigator role to generate new business from customers such as DARPA, ONR, USAF, ARMY, and many others.


A successful applicant will have received a PhD in the PNT domain and have a deep understanding of where the PNT R&D ecosystem is headed. They will be able to apply their knowledge to ongoing SATNAV and GNSS programs and develop new R&D ideas to present to funding agencies. Experience with satellite systems and dynamics, system engineering, Kalman filters, RF and optical communication systems, time transfer, and general timing systems are all highly desired areas, but not required. A successful applicant will have experience writing papers and presenting their work in front of technical audiences. Work Location (s): Boulder, CO; Menlo Park, CA; Princeton, NJ, Arlington, VA and Massachusetts (remote)


  • PhD in Physics, Applied Physics, EE, ME, Aero/Astro, or related fields or M.S. with 3 years of PNT experience.
  • Coursework and graduate work in the PNT domain.
  • Experience writing and publishing papers in the PNT domain, and presenting in front of technical audiences.
  • Capable and willing to work in a team environment with an ability to manage multiple priorities. These will include current project work, proposals and business development, and internal research and development.
  • Capable of reviewing technical work of others and providing actionable feedback.
  • Exceptional communication and presentation skills, especially when communicating complex ideas to a diverse audience.
  • An active TOP SECRET clearance and past experience with classified research is desirable, but not required.
  • Prior experience working on Government-funded R&D programs is desirable, but not required.


Other Requirements:

  • A drug screen will be required as part of the hiring process.
  • U.S. Citizenship required.
  • Ability to transfer/obtain/maintain a U.S. government security clearance required.


For Colorado residents, the salary range is: $81,576 - $168,250 SRI has a competitive benefits package, to view details please go to



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