Description At W. M. Keck Observatory, we enable groundbreaking discoveries that expand humanity's understanding of the universe. We are seeking a Staff Astronomer I to join our Observing Support team and help deliver exceptional scientific capabilities to astronomers from around the world. This position combines hands-on telescope and instrument support, scientific software and data analysis, instrumentation development, and independent research—creating a unique opportunity to contribute directly to cutting-edge astronomy while advancing your own scientific interests. The Staff Astronomer I supports visiting astronomers before, during, and after their observing runs while collaborating with engineers and technical staff to maintain, improve, and develop Keck's world-class instrumentation. The successful candidate will conduct astronomy-related research and contribute to scientific publications while helping ensure the Observatory continues to deliver transformational science. Approximately 20% of work time is dedicated to professional research activities. Our Mission & Values At Keck Observatory, our work is driven by a shared commitment to advancing scientific discovery while honoring our responsibility to people, place, and community. We are guided by core values rooted in: Stewardship

• We care for our people, facilities, environment, and community with integrity and long-term responsibility. Service
• We prioritize collective impact, supporting one another, the global astronomy community, and our local Hawaiʻi community to achieve shared goals. Collaboration & Inclusion
• We work across disciplines and perspectives to solve complex challenges and advance discovery together. Excellence & Safety
• We deliver high-quality work while maintaining a strong commitment to operational excellence and safety in everything we do.

WHY CHOOSE W. M. KECK OBSERVTORY

Competitive starting salary ranging from $83,686 to $125,408 annually. Generous benefits package, including four (4) weeks of annual paid vacation. A robust 8% 403(b) employer contribution (with a 4% employee contribution) Dependent Tuition Assistance. Comprehensive, fully-paid employee health insurance. Join a dedicated team working on the frontiers of astronomy. Key Responsibilities Support of Visiting Astronomers (Observers) Instruct observers in the use of WMKO's instruments and telescopes Provide pre

• and post-observing inquiries and support (both onsite and at remote mainland sites).

Offer afternoon and night-time support for observers during their runs. Instrumentation Maintenance and Development Maintain, calibrate, and develop scientific instruments and related software. Provide night-time engineering support. Collaborate with engineers and technicians to maintain, repair, and improve instruments. Instrument Scientist (when assigned) Responsibilities Lead the care of that instrument or capability. Take primary responsibility for the instrument, ensuring its proper function and performance. Contributions to New Instrumentation and Upgrades Participate in the development of new instruments or capabilities, including adaptive optics. Contribute to major upgrades of existing instruments Data Reduction Support Contribute to the development, maintenance, and support of data reduction packages. Research Conduct scientific research related to field of expertise or interest with the expectation that the research will lead to published technical and peer-reviewed papers. Collaboration with colleagues is encouraged. This position allocates 20% of work time specifically for research activities. Skills, Knowledge and Expertise Education Doctor of Philosophy (Ph.D.) or equivalent degree in astronomy, physics, or engineering; relevant professional experience may be substituted for a degree. Experience Interest and/or experience with scientific instrumentation With astronomical observing and/or working at an astronomical observatory. Skills Ability to prioritize tasks, plan activities, and meet deadlines Microsoft Office Proficiency. Ability to effectively deliver impactful presentations to a technical and non-technical audience. Technical Competencies Ability to interpret complex data, solve problems, and make predictions based on empirical evidence. Proficiency in programming languages for data analysis and simulations (e.g., Python, C/C++, IDL, R, Bash/Shell scripting). Ability to create or use data processing pipelines to handle large volumes of data, including calibration, cleaning, and extraction of useful information. Knowledge of cloud computing and data storage solutions to manage large datasets. Ability to write scientific papers and produce technical documentation. About W. M. Keck Observatory At the W. M. Keck Observatory, we approach our work with wonder about the mysteries of the universe and with deep respect and care for Maunakea

• a mountain revered in Hawaiʻi and unlike any other in the world.

For more than three decades, astronomers using Keck Observatory's twin 10-meter telescopes have vastly expanded our understanding of the cosmos through astonishing findings about our solar system, exoplanets, supermassive black holes, the evolution of the universe, and more. We are dedicated to the values of service and stewardship, while advancing the frontiers of astronomy, sharing our discoveries, and inspiring the imagination of all.