Senior HR Business Partner, Business and G&A

Role Overview

Astera Labs is seeking a Senior HR Business Partner to join our People team in San Jose, CA. In this high-impact role, you will partner directly with leaders across our Business and G&A functions—including Finance, Legal, Operations, and other corporate teams—serving as a trusted advisor on all things people strategy.

This is an exceptional opportunity for someone who thrives on working closely with senior stakeholders, navigating real complexity, and helping organizations scale thoughtfully during a period of hypergrowth. 

As a key member of our HR team, you will operate with support from HR Operations and Centers of Excellence while driving meaningful impact on organizational effectiveness, talent development, and leadership capability across the company.

Key Responsibilities

• Strategic Business Partnership
  • Act as a trusted partner to senior leaders, advising on organizational design, leadership effectiveness, workforce planning, and succession planning
  • Help leaders translate business priorities into clear people strategies and actionable plans
  • Build strong, credible relationships where leaders rely on your judgment—not just your availability
• Organizational Effectiveness & Talent Strategy
  • Support org effectiveness, role clarity, and succession planning for critical and leadership roles
  • Partner with leaders on headcount planning and trade-offs, balancing execution needs, and long-term capability building
  • Lead talent reviews, retention planning, and hotspot analysis, ensuring insights turn into action
  • Coach managers and senior leaders on performance management, development conversations, and leadership effectiveness
• Performance, Rewards & Employee Relations
  • Advise leaders through performance cycles, calibration, and compensation reviews, ensuring fair, consistent, and well-reasoned outcomes
  • Handle employee relations matters—including performance issues, conflict, and conduct concerns—using sound judgment and strong documentation
  • Partner closely with Employment Counsel, Legal, and HR Operations on complex or high-risk situations
  • Provide leaders with clear, empathetic, and practical guidance on sensitive people matters
• Operational Excellence & Scalability
  • Identify people or structural risks early and work with leaders to address them proactively
  • Help shape how HR practices scale by partnering with HR Ops and Centers of Excellence to simplify, standardize, or move work to the right owners
  • Take initiative to spot gaps, propose solutions, and drive progress—operating with an owner's mindset

Basic Qualifications

• Bachelor's degree in Human Resources, Business Administration, Organizational Development, or related field
• 8+ years of experience as an HR Business Partner supporting senior leaders in complex, fast-growing technology organizations
• Demonstrated experience partnering across both product/engineering and corporate functions
• Proven ability to operate in ambiguous environments where not everything is fully defined
• Clear, confident communicator who can influence at all levels of the organization

Preferred Qualifications

• Experience in semiconductor, hardware, or AI infrastructure industries
• Track record of supporting organizations through rapid scaling or hypergrowth phases
• Strong analytical skills with experience using people data to drive decisions

Salary range is $133,200 to $185,000 depending on experience, level, and business need. This role may be eligible for discretionary bonus, incentives and benefits.