Senior People Business Partner

Back to jobs New Senior People Business Partner San Jose, CA About The Role Muon is seeking a Senior People Business Partner (aka HRBP) to drive people strategy and execution across our growing organization. This is a full-stack role: you will architect foundational people programs and effectively execute the end-to-end operational implementations required to bring those strategies to life. Operating with a high degree of autonomy, you will act as a trusted advisor to departmental leaders and managers. You will combine strategic systems-level thinking with exceptional warmth, approachable communication, and a genuine helpfulness that empowers employees and managers across the company. The position will report to the VP of People Operations. This position is hybrid and requires working on-site in our San Jose, CA office three days per week. Could flex to accommodate remote for exceptional candidates who are located in the West Coast timezone and could travel to the Bay Area at least once a quarter. Responsibilities Strategic Architecture & Operational ExecutionArchitect and implement critical People Ops initiatives—from new manager training to talent review cycles—from initial design through final launch.Continuously evaluate workflows to eliminate operational friction across a distributed workforce, building scalable solutions that enable growth and mitigate organizational risks.Manager Development & CoachingPartner directly with directors and frontline managers to build manager capability, serving as a warm, grounded coach on leadership best practices.Design and deliver structured manager development programs that equip leaders to manage high-performing teams, navigate complex performance management, and deliver constructive feedback.Guide and upskill managers on policy execution through clear, accessible documentation and hands-on guidance.Autonomous Problem Solving & Employee RelationsAct with high autonomy to identify, diagnose, and resolve company culture vulnerabilities and complex personnel challenges before they impact the business.Handle complex employee relations, performance discussions, and sensitive workforce issues with extreme discretion, empathy, and integrity.Use analytical judgment and contextual reasoning to solve ambiguous problems where precedent may be limited.Culture & Operational ExcellenceServe as a visible anchor for Muon’s values, fostering a workplace culture anchored in continuous growth, feedback, warmth, and mutual respect.Provide a helpful, empathetic, and approachable point of partnership for employees at every level, ensuring questions and concerns are met with clarity and care. Qualifications Experience: 6–10+ years of progressive HRBP or People Operations experience in fast-paced environments, with a proven track record of full-stack ownership (both strategic design and tactical implementation).Manager Enablement: Demonstrated success designing, facilitating, and driving manager development initiatives and coaching leadership cohorts.Autonomy & Drive: Proven ability to translate broad business goals into actionable project roadmaps and execute independently with minimal direction.Warmth & Interpersonal Skills: Outstanding verbal and written communication skills with a natural approachability, high emotional intelligence, warmth, and a customer-service mindset.Problem Solving & Discretion: Exceptional judgment when navigating ambiguous employee relations matters, maintaining absolute confidentiality and security around sensitive personnel data.Systems and Documentation: Hands-on experience architecting and managing modern HR systems (Rippling, Lattice) and building out accessible and clear documentation (Google Workspace, Confluence). Salary The salary range for this role is $173,000 - $191,000, plus a competitive equity grant and comprehensive benefits package. Final compensation will be determined based on skills, qualifications, experience, and geographic location as assessed during the interview process. About Muon Space Founded in 2021, Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations delivering mission-critical data. Our revolutionary, integrated technology stack enables customers to optimize every dimension of their missions for faster time-to-orbit and superior constellation remote sensing performance. Our state-of-the-art facility in the heart of Silicon Valley is optimized for manufacturing spacecraft and rapid, flexible payload integration at scale. From climate monitoring to national security, Muon Space is dedicated to delivering Earth Intelligence for a safer and more resilient world. Taking Care of Our Team At Muon salary is only part of our total compensation package. In addition to salary, full-time employees receive equity compensation as well as benefits including medical, dental, and vision insurance, a 401k retirement plan, short & long term disability and life insurance. We also offer three weeks paid vacation for new employees, along with 12 paid holidays, unlimited sick time and paid parental leave. Our mission embraces the entire planet and we believe our team should too. Muon is dedicated to creating a diverse and dynamic company and workforce. We believe in equal employment opportunity regardless of race, color, ancestry, religion, sex, age, national origin, citizenship, sexual orientation, marital status, disability, or gender identity. We value diversity in the workplace, and that starts with our applicants. We encourage you to apply, even if you don't check all the boxes, and we look forward to reviewing your application! In addition, if you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know. Muon is currently registered and able to hire in the following states: AL, AZ, CA, CO, CT, DC, FL, GA, IL, IA, ID, MD, MA, MI, MN, MO, NJ, NY, NC, OH, OR, PA, TN, TX, VT, VA, WA ITAR/EAR Requirements This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. 1157, or (iv) asylee under 8 U.S.C.1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. The Company may, for legitimate business reasons, decline to pursue any export licensing process. Create a Job Alert Interested in building your career at Muon Space? Get future opportunities sent straight to your email. Apply for this job indicates a required field First Name* Last Name* Email* Phone Country* Phone* Location (City)* Resume/CV* Attach Enter manually Accepted file types: pdf, doc, docx, txt, rtf Cover Letter Attach Enter manually Accepted file types: pdf, doc, docx, txt, rtf LinkedIn Profile* Are you available to immediately work on-site in our San Jose location three days a week?* Select... U.S. Export Control laws require that access to certain technical information be limited to U.S. Persons (U.S. Citizens and Lawful Permanent Residents/Green Card Holders) and individuals granted appropriate authorization. Please indicate your current Immigration and Work Authorization status. Verification will be required upon hire.* Select... When is your earliest available start date?* Voluntary Self-Identification For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file. As set forth in Muon Space’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law. Gender Select... Are you Hispanic/Latino? Select... Race & Ethnicity Definitions If You Believe You Belong To Any Of The Categories Of Protected Veterans Listed Below, Please Indicate By Making The Appropriate Selection. As a Government Contractor Subject To The Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), We Request This Information In Order To Measure The Effectiveness Of The Outreach And Positive Recruitment Efforts We Undertake Pursuant To VEVRAA. Classification Of Protected Categories Is As Follows A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability. A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service. An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense. An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985. Veteran Status Select... We use Greenhouse’s AI-powered Talent Matching tool to compare your application against our job requirements. Learn more Powered by Greenhouse