HR Manager

About the Role

Sine Engineering is a global leader in developing advanced radio communication and navigation systems. We build mission‑critical infrastructure for the multi‑million‑drone era.

At Sine, you will work with cutting‑edge technologies tested in the world’s most challenging environments and see your ideas evolve into an ecosystem designed to safeguard society.

We are looking for an HR Manager to support our U.S. operations in Bozeman, Montana. This is a full‑time, on‑site position responsible for ensuring legal compliance, smooth day‑to‑day operations, and an outstanding employee experience.

We value strong ideas, rapid iteration, and open collaboration- and we’re driven by the impact our solutions bring. We seek professionals in the U.S. who want to go beyond product development and help shape the world of tomorrow.

Key Responsibilities

• Manage onboarding and offboarding processes, ensuring accurate documentation and a positive experience.

• Maintain employee records and HR documentation in compliance with U.S. labor laws and company policies.

• Administer payroll, compensation, and benefits programs; address employee inquiries.

• Support performance review cycles, goal‑setting, and employee development initiatives.

• Address employee relations issues, mediate conflicts, and foster a positive organizational culture.

• Implement corporate HR policies locally and ensure compliance with all legal and regulatory requirements.

• Organize team events and employee engagement activities.

• Ensure adherence to security, confidentiality, and data privacy standards.

• Manage employment contracts, leave administration, and other HR administrative tasks.

Requirements

• 5+ years of experience as an HR Manager or in a similar HR role, preferably in IT or technology companies.
  Strong knowledge of U.S. labor laws, tax regulations, and HR compliance standards.

• Experience with payroll administration and benefits management.

• Experience with government contracting or an understanding of requirements in regulated industries.

• Proficiency with HR management systems and Microsoft Office (Excel, Word, PowerPoint).

• Bachelor’s degree in Human Resources, Business Administration, or a related field.

Nice to Have

• Excellent organizational and time‑management skills with strong attention to detail.

• Strong interpersonal and communication abilities; able to build trust across all levels.

• Problem‑solving mindset and ability to handle sensitive or confidential matters with discretion.

• Proactive, independent work style, especially in a small or subsidiary office environment.

• Adaptability and willingness to establish or improve HR processes in a growing team.

• Understanding of (or interest in learning about) regulated, sensitive, or high‑compliance sectors.

Location

Bozeman, MT
This role may include occasional travel to Europe.

Eligibility

Sine Engineering is committed to conducting business with the highest ethical standards. We require strict compliance with all applicable laws and regulations. Our reputation for integrity and innovation is as important as our reputation for delivering advanced sensing solutions.

We are an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, age, or any other protected characteristic.

Culture Statement

Don’t meet every requirement? Research shows that some candidates hesitate to apply unless they meet every qualification. At Sine Engineering, we value authenticity and encourage you to apply even if your background doesn’t perfectly match every requirement. You may be the ideal candidate for this or another role.

Join our team and help shape the future of UAV technology. If you’re passionate about operational excellence and thrive in a dynamic environment, we’d love to hear from you.