2026 Atomic Clocks and Precision Timekeeping Research Associate

The Aerospace Corporation•El Segundo, CA

4d•Onsite

About The Position

The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space— delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you’ll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and take your place in space. Physical Sciences Laboratories (PSL) supports the effective and timely development and operation of national security systems through scientific research and the application of advanced technologies. PSL has more than 150 specialized laboratories used to test, analyze, and troubleshoot virtually every aspect of rocket and satellite system design, development, construction, deployment, and operation. The expertise of the laboratories’ technical staff allows PSL to stay abreast of new technological developments and program support issues associated with rapidly evolving space systems. The Atomic Clocks and Precision Timekeeping Lab in PSL is involved in a broad range of both basic and applied precise-timekeeping activities, including: GPS clock exercises and anomaly resolution; clock ensemble algorithms and demonstration; environmental and radiation effects; laser physics for clocks and atomic devices; frequency comb experiments; and next generation clock assessment and development. We are hiring an Atomic Clocks and Precision Timekeeping Research Associate. Highlights of our lab's capabilities can be seen here: Atomic Clocks Lab Fact Sheet Aerospace Virtual Tours The selected candidate will be required to work full-time, on-site at our facility in El Segundo, CA.

Requirements

Bachelor’s degree from an accredited college/university program in Physics, Engineering, Chemistry, Mathematics, Computer Science or related discipline (pursuing or conferred within last 12 months).
0-1 year of industry work experience.
Prior experience in a laboratory environment and with lab safety protocols.
Working knowledge of Labview, Python or Matlab.
Willing to travel occasionally to work locations or customer sites as required.
This position requires ability to obtain and maintain a security clearance, which is issued by the U.S. government.
U.S. citizenship is required to obtain a security clearance.
Transcripts are required.

Nice To Haves

Master’s degree from an accredited college/university program in Physics, Engineering, Chemistry, Mathematics, Computer Science or related discipline (pursuing or conferred within last 12 months).
Coursework/experience with precision timekeeping, atomic clocks, oscillators, optical frequency combs, spacecraft and satellites, and/or position, navigation and timing (PNT).
Optics/Laser research or industry laboratory experience (laser alignment, laser noise and linewidth measurements, laser safety).
Coursework in quantum mechanics, statistical mechanics, control systems.
Knowledge/experience with basic circuit design, noise measurement, RF electronics, RF measurements (e.g. S-parameters), and/or on-chip probing.

Responsibilities

Assist lab staff to develop, review, document, troubleshoot and execute test procedures that mitigate risks and inform decisions about next-generation satellite systems.
Prepare basic instrument control code to support experiments
Analyze and prepare test data for reports and presentations
Create a high state of readiness for mission-critical tests by maintaining laboratory test equipment and participating in design, procurement, training and documentation for new laboratory capabilities
Perform routine lab safety inspections, maintain lab space organization, and work with facilities staff to fulfill work orders as necessary to stand up/stand down laboratory setups.
Assist in reviewing technical literature to answer specific questions important to the mission.
Utilize internal and external resources to develop and grow job-specific hands-on laboratory skills and knowledge
Occasional travel in support of test campaigns

Benefits

Comprehensive health care and wellness plans
Paid holidays, sick time, and vacation
Standard and alternate work schedules, including telework options
401(k) Plan — Employees receive a total company-paid benefit of 8%, 10%, or 12% of eligible compensation based on years of service and matching contributions; employees are immediately eligible and vested in the plan upon hire
Flexible spending accounts
Variable pay program for exceptional contributions
Relocation assistance
Professional growth and development programs to help advance your career
Education assistance programs
An inclusive work environment built on teamwork, flexibility, and respect