Make an impact at leading deep tech and American Dynamism Startups

Director of Human Resources

Cambium

Cambium

People & HR
El Segundo, CA, USA
USD 150k-185k / year + Equity
Posted on Aug 16, 2025

Director of Human Resources

El SEGUNDO, CA | FULL-TIME Onsite

Defense, aerospace and other high-performance applications demand new material solutions stronger, lighter, more resilient tested and delivered faster than traditionally available. Cambium is disrupting advanced materials development, from AI-driven molecular design to agile domestic manufacturing. Whether enabling hypersonic flight or protecting critical systems, our solutions push the limits of what’s possible. Cambium solves mission-critical problems in defense and industry. Our team of world-class scientists and engineers was purpose built to take on those challenges. Come join us and revolutionize advanced materials for defense, aerospace, and beyond.

THE ROLE

You’ll lead and build the HR organization at Cambium. We are a ~50 person company today and growing fast. You will report to the COO, help company executives plan headcount growth, and develop and implement HR strategy. This position is a critical hire to advise leadership and continue to grow our business.

KEY RESPONSIBILITIES

· Develop and implement HR strategies aligned with the company’s business objectives

· Partner with executives to conduct headcount planning

· Oversee recruitment processes to attract and retain top talent

· Oversee our onboarding process

· Implement programs to develop current employees

· Be a steward of company culture

· Be a trusted resource for conflict resolution and employee relations

· Develop and advise management on compensation and benefits programs

· Ensure compliance with labor laws and regulations

· Maintain, update, and communicate company HR policies, procedures, and the employee handbook.

· Implement HR technology and systems

KEY REQUIREMENTS

· 8+ years of HR experience with at least 3 as an HR leader

· Small business or start-up HR experience

· Bachelor’s degree in Human Resources, or relevant field

· PHR, SPHR, SHRM-CP, or SHRM-SCP certification preferred

· Excellent communication with experience in executive communications

· Deep knowledge of employment laws and HR best practices

· Be a great teammate

· Must be a U.S. Citizen (DoD compliance)

· On-site in El Segundo

$150,000-$185,000 annually

BENEFITS

Cambium offers a highly competitive compensation and benefits plan. This includes excellent medical/dental/vision benefits, and a matching 401(k) plan, professional development reimbursement, and an opportunity for equity for most full-time positions.