The position is part of project “Developing ET Noise Budget: Reliability, Accessibility and Completeness.” The project will develop reliable, documented, and publicly accessible ET noise budgets for detector-design decisions; expand models for effects such as control noise, scattered light, and Newtonian noise; and help build a robust open-source software framework based on pygwinc.

The role combines scientific modelling, Python software development, verification and review of detector-noise models, and close collaboration with European ET experts and partner projects.

We are seeking an experienced postdoctoral researcher with a PhD in physics or a related field, strong quantitative modelling and Python skills, and interest or experience in gravitational-wave detectors, interferometry, precision metrology, controls, or scientific software. Experience with Git-based development, testing, documentation, code review, pygwinc, FINESSE, IfoCAD, or related tools is particularly welcome.

Application deadline: 17 August 2026

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The Laser Interferometer Gravitational-Wave Observatory (LIGO) has as its goal the development of gravitational wave physics and astronomy. The LIGO Laboratory is managed by Caltech and MIT, and is funded by the National Science Foundation. It operates observatory sites equipped with laser interferometric detectors at Hanford, Washington and Livingston, Louisiana, which have made the first confirmed detection of gravitational waves. A vigorous LIGO Laboratory R&D program supports the development of enhancements to the LIGO detector and development of future detectors and detector technologies.  

The LIGO Laboratory anticipates having one or possibly more experiment/instrumentation postdoctoral research positions at one or more of the LIGO sites – Caltech, MIT and at the two LIGO Observatories in Hanford, WA and Livingston, LA – as positions become available. Hires will be made based on the availability of funding. Successful applicants will interact with faculty members Rana Adhikari and Lee McCuller (Caltech) and Matt Evans and Nergis Mavalvala (MIT) as well as the Lab’s extensive network of experienced researchers and personnel. Successful applicants will be involved in the operation of the world’s most sensitive interferometers, and/or the R&D program for future detector improvements. Examples include optimizing the squeezing of the vacuum to minimize quantum noise, a prototype cryogenic interferometer, using machine learning for nonlinear feedback control, devising techniques to quell opto-mechanical instabilities that can disable the interferometers, and designing new suspension systems for 100 kg test masses. We seek candidates across a broad range of disciplines. Expertise related to modeling, data analysis, electronics, laser and quantum optics, vibration isolation and control systems is desirable. Most importantly, candidates should be broadly trained scientists, willing to learn new experimental and analytical techniques, and ready to share in the excitement of building, operating and observing with a gravitational-wave observatory. A list of former postdocs at LIGO Hanford and LIGO Livingston is available here . Appointments at the post-doctoral level will initially be for one-year with the possibility of renewal for up to two subsequent years.

Applications for postdoctoral research positions with LIGO Laboratory should indicate which of the LIGO sites (Caltech, MIT, Hanford, or Livingston), if any, are preferred by the applicant, and which (if any) are likely to be unworkable. Caltech and MIT are Affirmative Action/Equal Opportunity employers. Women, minorities, veterans, and disabled persons are encouraged to apply. Applications should be submitted through Academic Jobs Online and include curriculum vitae , list of publications (with refereed articles noted), and the names, addresses, email addresses and telephone numbers of three or more references. Please also attach a research statement describing past experience and current and future research interests (3-4 pages). Applicants should request that three or more letters of recommendations be submitted directly through Academic Jobs Online. Consideration of applications will begin on November 15 but will also continue throughout the academic year and until all positions are filled.

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The Jet Propulsion Laboratory (JPL), California Institute of Technology, invites applications for a Staff Scientist position working on Gravitational Wave science. JPL offers a unique research environment that bridges the gap between fundamental science and space-mission implementation. We are committed to fostering an enriching, rewarding research environment with strong support for professional and personal development. Applications received by August 15, 2026 will receive full consideration.

Responsibilities:

We are looking for an innovative Scientist III to play a pivotal role in developing data analysis algorithms for the Laser Interferometer Space Antenna (LISA). As JPL expands its capabilities in low-frequency gravitational-wave astronomy, this role is essential for developing the sophisticated pipelines required to untangle complex, overlapping signals in order to transition noisy data into astrophysical insight.

The successful candidate will make contributions in one or more of the following areas:

• Develop Core Pipelines: Design, implement, and validate novel data analysis algorithms, noise reduction algorithms, low-latency alert pipelines, and global-fit architectures tailored for low-frequency gravitational-wave data.
• Bridge Theory and Data Integrate instrumental, environmental, and astrophysical systematics into robust statistical frameworks to isolate faint cosmological and astrophysical signals from instrument noise and background signals.
• Leverage the Caltech-JPL Ecosystem: Actively collaborate with JPL’s Galaxies and/or Cosmology Groups, Caltech’s Theoretical Astrophysics Relativity (TAPIR) group, and experts across Caltech’s Division of Physics, Mathematics, and Astronomy (PMA).
• Strengthen US LISA ties: Work collaboratively to strengthen ties across the NASA LISA ecosystem at GSFC, MSFC, and JPL.
• Astrophysical Modeling: Advance and connect theoretical models to data analysis pipelines through development of individual source waveform models and/or astrophysical populations.
• Shape Long-Term Capabilities: Help develop future space-based mission concepts, ground-segment architectures, and enabling data technologies for the next generation of space physics.

Qualifications:

• A Ph.D. in Physics, Astronomy, Astrophysics, or a related discipline with a minimum of 3 years of post-doctoral or relevant research experience.
• Deep technical foundation in gravitational-wave data analysis methodologies.
• Proven track record of scientific excellence in gravitational-wave astronomy, evidenced by peer-reviewed publications and presentations at major international conferences.
• Strong interpersonal skills and a demonstrated ability to thrive within a highly collaborative, multi-institutional team environment.
• Excellent written and verbal communication skills, along with a proactive commitment to fostering an inclusive, diverse, and dynamic research culture.

Desired Skills:

• Direct experience developing data analysis algorithms, astrophysical models, or software frameworks for gravitational wave observatories.
• Proficiency in applying machine learning or advanced data science methodologies to complex, continuous astrophysical datasets.
• Broader expertise in multi-messenger astrophysics or related fields of cosmology (e.g., ground-based GW networks, pulsar timing arrays, or cosmic microwave background analysis).
• Demonstrated potential or experience in successfully proposing for research funds as a Principal Investigator or Co-Investigator.

Note:

Complete applications must include:

• Cover Letter: Describing your vision for your role at JPL as a leader and contributor to the field of space-based gravitational-wave science.
• Curriculum Vitae: Including a bibliography of peer-reviewed and other publications.
• Research Statement: Detailing your research experience and future research objectives (no more than 3 pages).
• References: Contact information for at least three professional reference writers.

Applications received by August 15, 2026 will receive full consideration.

JPL has a catalog of benefits and perks that span from the traditional to the unique. This includes a variety of health, dental, vision, wellbeing, and retirement plans, paid time off, learning, rideshare, childcare, flexible schedule, parental leave and many more. Our focus is on work-life balance, and living healthy, fulfilling lives as we Dare Mighty Things Together. For benefits eligible positions, benefits are effective the first day of the month coincident with or immediately following the employee’s start date.

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