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HR Generalist

LiquidPiston
Bloomfield, United Statesfull_timeVerifiedPosted 12 Jan 2026

About the role

About LiquidPiston:
LiquidPiston is an innovative technology company developing advanced rotary engines and power solutions. We are a fast-paced, growing organization that values creativity, collaboration, and excellence. We are seeking an experienced HR Generalist to support our team’s growth and maintain a strong, compliant, and positive workplace culture.
Position Overview:
The HR Generalist will play a key role in managing and executing a broad range of human resources functions at LiquidPiston. This position involves hands-on responsibility for employee lifecycle management from recruitment and onboarding to benefits administration, payroll, compliance and employee engagement. The ideal candidate is highly organized, detail-oriented and capable of working independently in a dynamic environment.
Key Responsibilities:
Employee Lifecycle Management
  • Support full-cycle recruitment, including job postings, interview coordination, and candidate communication.
  • Draft and submit offer letters for approval and signature; ensure compliance with applicable state laws.
  • Manage new hire onboarding, ensuring a seamless integration into the company.
  • Manage employee offboarding, ensuring all protocols are followed.  
  • Maintain and update the LPI Employee Handbook to reflect company policies and legal requirements.
Benefits & Payroll
  • Select and administer yearly medical, dental, vision and disability insurance plans.
  • Oversee day-to-day employee benefits management, including enrollments, changes and employee inquiries.
  • Process and manage biweekly payroll in collaboration with finance.
  • Conduct quarterly time-off reviews and ensure accurate tracking of PTO and leave balances.
Employee Engagement & Development
  • Manage LPI reviews, performance plans and employee development plans in collaboration with leadership.
  • All quarterly and annual performance reviews are completed on schedule by staff.
  • Support the development of programs to enhance employee growth, retention, and engagement.
Compliance & Administration
  • Maintain compliance with federal, state, and local employment laws and regulations.
  • Manage state business registrations when hiring remote employees; terminate registrations as necessary.
  • Ensure offer letters, posters, and required notices comply with state and federal guidelines.
  • Oversee employment visas and liaise with external immigration counsel as needed.
  • Manage expense reports and ensure timely reimbursements.
Additional Responsibilities
  • Maintain and manage co-op and internship relationships with partner universities.
  • Plan and manage LPI’s participation in conferences and professional events.
  • Deploy upgrades to time keeping and other new systems.
  • Support miscellaneous HR and administrative projects as needed.
  • Perform “anything else that may be required” to ensure smooth HR operations.
Qualifications
  • Bachelor’s degree in Human Resources, Business Administration, or related field.
  • 3+ years of progressive HR experience; manufacturing or technology environment preferred.
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Company

LiquidPiston

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