About the Company:
We are an Aerospace & Defense startup headquartered in Gardena, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and top-tier Silicon Valley rms. We're assembling a high urgency team committed to moving fast, solving hard problems, and defending what matters most. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand.
Position SummaryThe HR Business Partner (HRBP) serves as a strategic and operational partner to the business, supporting the full employee lifecycle from onboarding through offboarding. This role owns core HR compliance functions — including I-9 verification, background checks, and workers' compensation administration — while also partnering with business leaders on people strategy, employee relations, and policy development. The ideal candidate is detail-oriented, comfortable balancing compliance-heavy administrative work with higher-level HR partnership, and able to communicate company-wide HR updates clearly and effectively
Key ResponsibilitiesOnboarding & New Hire Administration- Manage end-to-end new hire onboarding, ensuring a smooth and compliant experience from offer acceptance through first weeks of employment
- Complete and manage Form I-9 verification for all new hires, ensuring compliance with federal requirements and timely reverification where applicable
- Submit and track background check requests through the company's third-party background check vendor, following up on results and flagging discrepancies per policy
- Enroll new hires in medical, dental, vision, and other benefit plans within required enrollment windows
- Coordinate new hire paperwork, systems access requests, and orientation logistics
- Manage workers' compensation claims from initial incident report through resolution, serving as the point of contact between employees, carriers, and management
- Ensure timely, compliant reporting of workplace injuries in accordance with state and federal requirements
- Track claims status, maintain accurate records, and support return-to-work coordination
- Partner with the HR policy team to develop, update, and refine company policies and procedures
- Roll out HR communications and policy updates company-wide, ensuring clarity and appropriate change management
- Support managers and employees in understanding and applying HR policies consistently
- Serve as a trusted advisor to assigned business units/leaders on HR matters, including employee relations, performance management, and organizational needs
- Partner with managers on employee relations issues, investigations, coaching, and corrective action processes, in coordination with HR leadership and legal as needed
- Support performance management cycles, including goal-setting, reviews, and improvement plans
- Provide guidance on compensation, promotions, and role changes in partnership with Compensation/Total Rewards
- Analyze HR metrics and trends (turnover, engagement, headcount) to inform recommendations to business leaders
- Support workforce planning, org design, and talent management initiatives
- Assist with off-boarding processes, including exit interviews and separation compliance
- Ensure compliance with federal, state, and local employment laws and regulations
- Maintain accurate and confidential employee records in the HRIS
- Support diversity, equity, and inclusion initiatives at the business unit level
- Participate in cross-functional HR projects and continuous improvement initiatives
- Bachelor's degree in Human Resources, Business Administration, or related field, or equivalent experience
- 4+ years of experience in an HR generalist, HRBP, or HR coordinator role
- Working knowledge of I-9 compliance, background check processes, and workers' compensation administration
- Familiarity with benefits enrollment processes and systems
- Strong understanding of employment law and HR compliance requirements
- Excellent communication skills, with experience delivering company-wide communications
- High attention to detail and strong organizational skills
- Ability to handle sensitive and confidential information with discretion
- PHR, SHRM-CP, or similar HR certification
- Experience with HRIS platforms (e.g., Workday, ADP, UKG, BambooHR)
- Experience partnering with policy or compliance teams on documentation development
- Prior experience supporting a multi-site or growing organization
Compensation:
Salary: $110000- $160000 + Equity + Benefits ( Healthcare, Vision, Dental, 401k, and Lunch)
Skills Required
- Bachelor's degree in Human Resources, Business Administration, or a related field, or equivalent experience
- 4+ years of experience in an HR generalist, HR business partner, or HR coordinator role
- Working knowledge of I-9 compliance, background check processes, and workers' compensation administration
- Familiarity with benefits enrollment processes and systems
- Strong understanding of employment law and HR compliance requirements
- Excellent communication skills, including experience delivering company-wide communications
- High attention to detail and strong organizational skills
- Ability to handle sensitive and confidential information with discretion
- PHR, SHRM-CP, or similar HR certification
- Experience with HRIS platforms such as Workday, ADP, UKG, or BambooHR
- Experience partnering with policy or compliance teams on documentation development
- Prior experience supporting a multi-site or growing organization
What We Do
Singularity Defense is a U.S. aerospace and defense innovator developing scalable, cost-effective air-defense technologies and low-cost interceptor systems to counter modern, mass-produced aerial threats. The company engineers counter-weapon systems at scale to protect people on the battlefield and at home, with a mission to bring warfighters home and keep cities safe through affordable defenses for the most urgent security challenges.
