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Inversion Space

Low-cost cargo re-entry services for space

Human Resources Manager

HR Generalist & Employee RelationsConfirmed live in the last 24 hours
Full-timePlaya Vista, Los Angeles, CA, USA$134k - $195k /yr

About the Job

Requirements

  • Seven or more years of human resources generalist experience, including at least three years based in California.
  • Deep working knowledge of California employment law.
  • Experience with federal contractor compliance, including OFCCP, EEO-1, VEVRAA, and Section 503.
  • Demonstrated experience owning benefits administration through open enrollment.
  • Hands-on employee relations experience, including investigations and terminations.
  • Experience operating as a solo human resources professional or within a very lean team.
  • Proficiency with human resources information system platforms.
  • Ability to obtain and maintain a U.S. government Secret or Top Secret security clearance.

Responsibilities

  • Design and own a structured new-hire onboarding program, including orientation, I-9 compliance, and 30-, 60-, and 90-day check-ins.
  • Partner with hiring managers to ensure smooth pre-boarding and first-day experiences.
  • Manage offboarding, exit interviews, and California-compliant final pay processes.
  • Own health, dental, vision, 401(k), and ancillary benefits programs end-to-end.
  • Manage open enrollment, including employee communication and carrier coordination.
  • Ensure compliance with California continuation requirements, COBRA, and other applicable requirements.
  • Serve as a trusted, neutral resource for employee concerns and workplace issues.
  • Conduct investigations.
  • Advise and coach managers on performance.
  • Maintain compliance with California employment law, including employee data, wage and hour, pay transparency, and mandatory leave requirements.
  • Support federal contractor compliance, including OFCCP, EEO-1 reporting, VEVRAA, Section 503, and applicable FAR human resources clauses.
  • Maintain and annually update the employee handbook and all human resources policies.
  • Design and run the performance review cycle, including goal setting, mid-year reviews, and annual reviews.
  • Train and coach managers on feedback frameworks, calibration, and documentation best practices.
  • Build infrastructure for career ladders and growth conversations as the company scales.
  • Run employee engagement surveys and translate results into actionable programs.
  • Partner with leadership on recognition and culture-building initiatives.
  • Be a visible, trusted presence across all teams and a point of contact for employees.
  • Define the scope and timing of the HR Generalist role in partnership with the Senior Director of Talent & People.
  • Establish clear ownership, workflows, and growth paths within the HR function.
  • Build a team culture of trust, responsiveness, and continuous improvement.
  • Own day-to-day human resources information system administration using Gusto.
  • Maintain accurate headcount data, human resources metrics, and reporting for leadership.
  • Partner with Finance on headcount planning and compensation benchmarking.

Desired Qualifications

  • Background in aerospace, defense, or technical startup environments.
  • Experience hiring and onboarding human resources team members.

About the Company

Inversion Space

Low-cost cargo re-entry services for space

Inversion Space builds low-cost, high-frequency re-entry vehicles to bring cargo and resources back from space. The core idea is to provide cargo return services from low-earth orbit and beyond, working with space agencies and private companies under service contracts and partnerships. Their product works by using reusable or versatile re-entry systems to safely carry valuable materials from space back to Earth, enabling clients to shuttle resources, samples, or equipment home for analysis or use. The company differentiates itself by emphasizing affordable, high-cadence return capabilities and a service-based model rather than just selling hardware, aiming to simplify and scale the process of bringing material back from space. The overarching goal is to make returning from space as common and practical as launching to space, supporting the sustainability and growth of space operations.

Company size
51-200
Company stage
Series A
Total funding
$126.8M
Headquarters
Los Angeles, CA
Founded
2021

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