Senior People Business Partner

About the role

The People team at Antares is building the foundation for how we attract, develop, and support exceptional talent as the company continues to grow. We partner closely with leaders across Engineering, Operations, and Corporate functions to create scalable people programs, foster an inclusive and high-performing culture, and ensure employees have the resources they need to do their best work.

Responsibilities

• Champion a high-performing, people-first culture that reflects Antares' values and supports employee engagement and business success.
• Develop and implement HR policies, compliance practices, and operational processes that are practical and scalable.
• Serve as the primary resource for employees and managers on HR policies, employee relations issues, and workplace matters, handling investigations and resolutions with sound judgment and discretion.
• Partner with leaders to understand team dynamics, organizational health, and business priorities, providing strategic guidance on talent, performance, organizational design, and change management.
• Partner with people leaders to build their coaching and feedback capabilities through leadership development programs, manager training, and ongoing 1:1 support.
• Lead and support employee lifecycle processes, including internal mobility, promotions, offboarding, leaves of absence, accommodations, and other People Operations processes while ensuring compliance with federal, state, and local employment laws.
• Partner with Finance and business leaders on headcount planning, organizational changes, workforce planning, and job architecture to support business growth and operational efficiency.
• Leverage people analytics and workforce metrics—including hiring, retention, engagement, performance, and organizational trends—to identify opportunities and recommend data-informed solutions.
• Contribute to cross-functional People initiatives and special projects that support the continued growth and evolution of Antares.

Requirements

• Bachelor’s degree.
• 5+ years of progressive HR or People Operations experience in a high-growth, high-performance environment.
• Strong knowledge of employment laws and HR best practices across multiple jurisdictions, especially in California.
• Experience as the first or early HR hire at a startup or scaling company.
• Experience supporting both exempt and non-exempt employee populations.
• Experience with Rippling HRIS strongly preferred.
• Knowledge of employment laws and HR best practices across other states, including WA, ID, SC, and others.
• Familiarity with compensation planning, organizational design, and workforce planning.
• Demonstrated ability to build trusted relationships and influence leaders at all levels through thoughtful coaching and consultative partnership.
• Experience managing sensitive employee relations matters with sound judgment, discretion, and a balanced, business-minded approach.
• Excellent verbal and written communications skills.
• Ability to be direct, clear, and confident in interpersonal matters.
• Experience rolling out performance review cycles.

Qualifications

• Ability to work long hours and weekends as necessary to support critical milestones.
• This role requires being on-site 5 days per week.

Benefits

Compensation Range: $100K - $175K