Senior HR Manager (Part-Time)
Overview
A growing biotech organization is seeking a seasoned, hands-on Senior HR Manager to serve as a trusted advisor to leadership and take ownership of complex employee relations, employment law compliance, performance management, and HR process development.
This is a high-impact opportunity for an experienced HR professional who has managed sensitive employee matters, coached leaders through challenging situations, and built practical HR infrastructure in a startup, high-growth, or entrepreneurial environment. The ideal candidate is comfortable operating independently, navigating ambiguity, and balancing strategic guidance with day-to-day execution.
This is an approximately 20–30 hour-per-week, contract-to-hire opportunity with a flexible schedule and the potential to grow into a full-time position as organizational needs evolve.
Required Skills
- 10+ years of progressive, hands-on Human Resources experience
- Previous HR Manager or Senior HR Manager-level experience
- Demonstrated experience independently managing complex employee relations matters, including:
- Involuntary terminations
- Workplace investigations
- Disciplinary actions
- Employee complaints
- Performance-related concerns
- Conflict resolution
- Strong working knowledge of federal, state, and local employment laws, including:
- FMLA
- ADA
- FLSA
- Wage and hour requirements
- Anti-discrimination regulations
- Experience developing and implementing:
- HR policies and employee handbooks
- Performance management programs
- Employee relations processes
- Onboarding and offboarding procedures
- HR templates and workflows
- Proven ability to build or significantly improve HR infrastructure in a startup, high-growth, entrepreneurial, or similarly dynamic environment
- Strong experience with performance reviews, goal setting, performance improvement plans, and progressive discipline
- Demonstrated success coaching managers and advising senior leadership on sensitive employee matters
- Ability to operate independently with minimal oversight and exercise sound judgment
- Strong interpersonal communication, conflict resolution, problem-solving, and organizational skills
- Business acumen and the ability to balance employee needs with organizational objectives
- Comfort working in an environment with evolving priorities, limited structure, and changing business needs
- Ability to maintain confidentiality, discretion, and professionalism when handling sensitive personnel information
Nice to Have Skills
- Experience in the biotech industry
- Experience partnering with employment counsel on sensitive or high-risk personnel matters
- Experience supporting organizational changes, restructuring, or other complex workforce initiatives
- Experience establishing HR programs and processes from the ground up
- Familiarity with HRIS implementation, optimization, and process automation
- Experience developing manager resources, leadership tools, and employee engagement initiatives
- SHRM-SCP, SPHR, or comparable HR certification
Preferred Education and Experience
- 10+ years of progressive Human Resources experience with substantial responsibility for employee relations, employment law compliance, performance management, and HR process development
- HR Manager-level experience in a startup, high-growth, entrepreneurial, or similarly evolving organization
- Experience independently managing sensitive employee matters and advising leadership on difficult personnel decisions
- No specific educational degree requirement was provided for this position
Other Requirements
- Work arrangement: Onsite only
- Primary location: Burlington, Massachusetts
- Travel: Ability to travel to Boston as needed
- Schedule: Approximately 20–30 hours per week, with flexibility regarding the number of days and hours worked
- Employment type: Contract-to-hire
- Must be comfortable working hands-on across both strategic HR initiatives and day-to-day employee matters
