Senior HR Business Partner

silananotechnologies

Alameda, CA · Alameda · United States

Posted Apr 29, 2026

Full-time
On-site
People & Culture

Apply on company site

Job description

About Us

We are Sila, a next-generation battery materials company. Our mission is to power the world’s transition to clean energy. To create this future, our team is building a better lithium-ion battery from the inside out today. We engineer and manufacture ground-breaking battery materials that significantly increase the energy density of batteries, while reducing their size and weight. The result? Smaller more powerful batteries that can unlock innovation in consumer devices and accelerate the mass adoption of electric cars to eliminate our dependence on fossil fuels. We're tackling one of the biggest challenges of our time every day, and together we're redefining what's possible. Are you ready to be a part of a team committed to changing the world?

Who You Are

As a Senior HR Business Partner on the People & Culture team, you will serve as a trusted advisor and strategic partner to our Technology & Research business units, playing a critical role in aligning HR strategies with business objectives. You will drive organizational effectiveness, foster our culture and positive employee relations, and contribute to the overall success of Sila. You are someone who can build strong relationships with leaders and employees, provide expert HR guidance, and translate business strategies into effective HR initiatives within a complex and fast-paced startup environment.

Responsibilities and Duties

Build strong relationships with leaders and employees within assigned business units.
Develop and execute effective recruiting and retention strategies.
Lead performance management, including performance reviews, talent calibrations, and promotion processes.
Resolve complex employee relations issues, minimizing legal risks and ensuring compliance.
Hire, coach, and support talent through consistent feedback, navigation of challenges, and celebration of wins.

Knowledge and Skill Requirements

Minimum of 8+ years of progressive HR Business Partner experience.
Working knowledge of multiple HR disciplines, including compensation, employee relations, and performance management.
Experience with HR software and business applications, including Google Suite, ADP WorkforceNow, Greenhouse, and Lattice.
Strong data analytics and visualization skills.
Experience building and presenting executive-level presentations.

Physical Demands and Working Conditions

Operate a computer and other office equipment, such as a laptop, copier/printer, etc. in a fixed location.
Be stationary for extended periods of time.

The starting base pay for this role is between $136,000 and $172,000 at the time of posting. The actual base pay depends on many factors, such as education, experience, and skills. Base pay is only one part of Sila’s competitive Total Rewards package that can include benefits, perks, equity, and bonuses. The base pay range is subject to change and may be modified in the future. #LI-Onsite

Working at Sila

We believe that building a diverse team at Sila helps us amplify our individual talents. We are an equal opportunity employer and committed to creating an inclusive environment where good ideas are free to come from anyone. We are proud to celebrate diversity and all qualified applicants are considered for employment without regard to gender, race, sexual orientation, religion, age, disability, national origin, or any other status protected by law.