
Defense and Space Manufacturing · 127 people
Human Resources Manager
Posted 16 Oct
What’s this role about? The HR Manager will build the People function from the ground up, designing systems, programs, and culture infrastructure for a growing aerospace startup. Responsibilities include managing onboarding, benefits administration, employee relations, performance management, and ensuring strict compliance with California and federal employment laws.
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Company
About Inversion Precision delivery from space. To anywhere on Earth. In under one hour. Join us: https://boards.greenhouse.io/inversionspace
Inversion
Making Earth radically more accessible by turning space into a global logistics network

Responsibilities
- We are a rapidly growing aerospace startup at an inflection point. As our first
- HR hire, you will build the People function from the ground up designing the
- systems, programs, and culture infrastructure that will carry us through our
- next phase of growth.
- This role starts as a hands-on individual contributor but is explicitly designed
- to grow into a people manager within 12–24 months, giving you the opportunity to
- shape both the function and the team beneath you. You will report directly to
- the Senior Director of Talent & People and have a true seat at the table on
- people decisions and interface directly with the CEO.
- Given the nature of our work, compliance is non-negotiable. You will be the
- company’s authority on California employment law and federal contractor HR
- obligations protecting the company while building a culture where people
- genuinely want to work.
- orientation, I-9 compliance, and 30/60/90-day check-ins
- Partner with hiring managers to ensure smooth pre-boarding and day-one
- experiences
- Manage offboarding, exit interviews, and CA-compliant final pay processes
- Maintain accurate headcount data, HR metrics, and reporting for leadership
- Partner with Finance on headcount planning and compensation benchmarking
Qualification
- 7+ years of HR generalist experience, with at least 3 years based in
- California
- Deep, working knowledge of CA employment law
- Experience with federal contractor compliance (OFCCP, EEO-1, VEVRAA, Section
- 503)
- Demonstrated experience owning benefits administration through open
- enrollment
- Hands-on employee relations experience including investigations and
- terminations
- Experience operating as a solo HR professional or within a very lean team
- Proficiency with HRIS platforms
- Exceptional written and verbal communication; high discretion and sound
- judgment
- Must have the ability to obtain and maintain a U.S. government Secret/Top
- Secret security clearance.
- Experience hiring and onboarding HR team members
- Our office headquarters is located in Playa Vista, CA. This position requires
- in-office presence.
- The California annual base salary for this role is currently $134,000-$195,000.
- Pay Grades are determined by role, level, location, and alignment with market
- data. Individual pay will be determined on a case-by-case basis and may vary
- based on the following considerations: interviews and an assessment of several
- factors that are unique to each candidate, job-related skills, relevant
- education and experience, certifications, abilities of the candidate and
- internal equity.
- To conform to U.S. Government space technology export regulations, including the
- U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the
- Inversion provides equal employment opportunities to all employees and
- Notice [https://oag.ca.gov/privacy/ccpa] for further details.
Benefits
- end-to-end
- Manage open enrollment including employee communication and carrier
- coordination
- Ensure compliance with CA continuation requirements, COBRA, and more
- Serve as a trusted, neutral resource for employee concerns and any workplace
- issues
- Conduct investigations
- Advise and coach managers on performance
- Maintain full compliance with CA employment law: E.g. employee data, wage &
- hour, pay transparency, and mandatory leave
- Support federal contractor compliance: OFCCP, EEO-1 reporting, VEVRAA,
- Section 503, and applicable FAR HR clauses
- Maintain and annually update the employee handbook and all HR policies
- Design and run the performance review cycle: goal setting, mid-year, and
- annual reviews
- Train and coach managers on feedback frameworks, calibration, and
- documentation best practices
- Build the infrastructure for career ladders and growth conversations as the
- company scales
- programs
- Partner with leadership on recognition and culture-building initiatives
- Be a visible, trusted presence across all teams. The person employees come to
- Define the scope and timing of the HR Generalist role in partnership with the
- Establish clear ownership, workflows, and growth paths within the HR function
- Build a team culture of trust, responsiveness, and continuous improvement
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