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2025 Atomic Clocks Scientist

The Aerospace Corporation
paid holidays, sick time, 401(k), relocation assistance
United States, California, El Segundo
Apr 16, 2025

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 & Device Physics Section in PSL is involved in a broad range of both basic and applied precise-timekeeping activities including: simulations of space-timekeeping architectures prototype development of next-generation space clocks, basic physics experiments elucidating processes affecting clock performance, clock ensemble testbeds, time transfer and synchronization studies, and hardware flight demonstrations. We are looking for an Atomic Clocks Scientist (Sr. MTS-Optical and Photonic Systems) who will contribute to ongoing research in these areas, develop new research ideas, prepare research for publication internally and externally, and communicate with customers through various means. Responsibilities will also include assisting senior staff with creating briefing materials, proposals, laboratory experiments, analytical modeling, and data analysis. Hands on laboratory experience with precise timekeeping and related equipment and infrastructure is required.

Work Model:

This position will be located 100% onsite in El Segundo, CA.

WhatCorporateSkillsYou'll Bring

  • Strong written and oral communication skills
  • Must work well in a team environment
  • Possess organizational, time management and project management skills
  • Demonstrate flexibility and ability to adapt to changing organizational need
  • Interpersonal skills to coordinate efforts and work with other internal and external organizations

What You'll Be Doing

  • Plan and execute experiments and data analysis in precise timekeeping and atomic clocks.
  • Follow established best practices and procedures, contribute to developing additional processes as warranted for safe and productive laboratory operating principles.
  • Collaborate with staff from within the department and the organization at large on additional projects
  • Work with management on creating and executing to projects' budgets and schedules
  • Mentor staff and be a good steward of your individual and team contributions

What You Need to be Successful

Minimum Requirements:

  • Ph.D. degree from an accredited college/university program in Physics, Chemistry, Math, Computer Science, Electrical Engineering or related science and engineering field (pursuing or conferred within last 12 months)
  • 0-1 year of industry work experience
  • Experience in a research laboratory environment with exposure to methods of precision timekeeping
  • You should have strong interpersonal skills, which include mentoring and collaborating with other employees to optimize research progress and drive technical innovation
  • Strong organizational and communication skills which include test and demonstration planning, time/resource management, laboratory safety, and research documentation.
  • Willing to travel occasionally to work location or customer site domestically approx. 10%
  • This position requirestheability to obtain and maintain a securityclearance, which is issued by the U.S. government. U.S. citizenship is required to obtain a security clearance.

How You Can Stand Out

It would be impressive if you have one or more of these:

  • Active security clearance
  • Experience with electrical design and prototyping for optical sensors and devices, including laser drivers, temperature control, low-noise detectors and amplifiers
  • Experience with prototyping miniature and compact optical, fiber optic, and/or integrated photonic devices
  • Experience generating precision timescales and ensembles for timekeeping metrology
  • Experience with time transfer and synchronization, especially satellite time transfer
  • Experience working with commercial manufacturers of atomic clocks, quantum sensors, or other precision fieldable devices
  • Experience with pulsed optically pumped clocks, coherent population trapping, mercury ion clocks, frequency combs or optical clocks
  • Knowledge of space-based position, navigation, and timing (PNT) and its users

We offer a competitive compensation package where you'll be rewarded based on your performance and recognized for the value you bring to our business. The grade-based pay range for this job is listed below. Individual salaries within that range are determined through a wide variety of factors including but not limited to education, experience, knowledge and skills.

(Min - Max)

$77,000 - $130,000 Pay Basis: Annual

Leadership Competencies

Our leadership philosophy is simple: every employee, regardless of level and role, can demonstrate leadership. At Aerospace, our commitment is our people. To cultivate our talent and ensure that we have a strong pipeline of future leaders, we want individuals who:

  • Operate Strategically
  • Lead Change
  • Engage with Impact
  • Foster Innovation
  • Deliver Results

Ways We Reward Our Employees

During your interview process, our team will provide details of our industry-leading benefits.

Benefits vary and are applicable based on Job Type. A few highlights include:

  • 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

We are all unique, from various backgrounds and all walks of life, yet one thing bonds all of us to each other-the belief that we can make a difference. This core belief empowers us to do our best work at The Aerospace Corporation.

Equal Opportunity Commitment

The Aerospace Corporation is an equalopportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, age, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender, gender identity or expression, color,religion,geneticinformation, marital status, ancestry, national origin, protected veteran status, physical disability, medical condition, mental disability, or disability status and any other characteristic protected by state or federal law. If you're an individual with a disability or a disabled veteran who needs assistance using our online job search and application tools or need reasonable accommodation to complete the job application process, please contact us by phone at 310.336.5432 or by emailat peoplemangmnt.mailbox@aero.org .You can also review Know Your Rights: Workplace Discrimination is Illegal.

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