Internship Relocation Accounting Jobs in Springfield, MA

Human Resources Manager  - LiquidPiston 
This role is fully onsite in Bloomfield, CT, five days per week. The company will be relocating to Suffield, CT later in 2026.About LiquidPiston:
LiquidPiston is an advanced technology company developing innovative rotary-engine propulsion and power solutions for aerospace, defense, and commercial applications. Our patented technology enables compact, efficient, high-performance systems for next-generation platforms. We operate in a fast-paced environment where technical excellence, practical execution, and continuous improvement matter.The Opportunity: 
We are seeking a hands-on Human Resources Manager to own core HR operations and strengthen the people systems that support our continued growth. This role manages the full employee lifecycle and serves as a trusted partner to leadership, managers, and employees across payroll, benefits, employee relations, performance management, compliance, recruiting support, and HR systems. The successful candidate will be comfortable working independently, solving problems, and building clear, scalable processes in a dynamic technical organization.Key Responsibilities:
HR Operations and Employee Lifecycle

• Own day-to-day HR operations across recruiting support, hiring, onboarding, employee changes, offboarding, and personnel records.
• Coordinate compliant offer letters in partnership with hiring managers and the company recruiter.
• Maintain accurate, confidential employee records and keep the Employee Handbook, HR policies, and supporting documentation current.
• Continuously improve HR workflows, controls, and documentation to reduce cost, eliminate recurring errors, and increase efficiency and effectiveness.

Payroll, Benefits, and HR Systems

• Maintain overall accountability for biweekly payroll, with payroll processing performed by the Front Office and Finance & Accounting team.review PTO and leave balances, and resolve payroll issues promptly.
• Select and administer medical, dental, vision, disability, and related benefit plans, including renewals, open enrollment, enrollments, changes, and employee inquiries.

Employee Relations, Performance, and Culture

• Serve as a trusted resource to employees and managers on policies, workplace practices, employee relations, and day-to-day HR questions.
• Lead quarterly and annual performance-review cycles and support performance plans, employee development, training, and manager follow-through.
• Develop initiatives that strengthen engagement, retention, morale, accountability, teamwork, and the overall employee experience.

Compliance and Organizational Support

• Maintain compliance with federal, state, and local employment requirements, including offer letters, notices, workplace postings, leave administration, audits, and remote-employee registrations.
• Coordinate employment visas and complex legal or compliance matters with external counsel and professional advisors as needed.
• Maintain co-op and internship relationships with partner universities and support related early-career programs.
• Manage related HR and administrative projects, including employee expense-report coordination, to ensure smooth and reliable HR operations.

Required Qualifications

• Five or more years of progressive HR experience, including hands-on ownership of core HR operations.
• Practical experience with payroll, benefits administration, employee relations, performance management, recruiting support, and HR compliance.
• Strong working knowledge of federal and state employment laws, HR documentation requirements, and sound HR practices.
• Experience improving HR processes and administering HRIS, payroll, or timekeeping systems.
• Excellent organization, judgment, discretion, attention to detail, communication, and interpersonal skills.
• Ability to work independently, prioritize competing demands, and take ownership in a growing organization.

Preferred Qualifications

• Bachelor's degree in Human Resources, Business Administration, or a related field.
• Experience in a startup, technology, engineering, manufacturing, R&D, or other fast-paced technical environment.
• Experience building scalable HR infrastructure or supporting employees across multiple functions or locations.
• Experience with internship, co-op, early-career, or employment-visa programs.

Benefits & Perks:

• PTO: We value work–life balance and encourage time to rest and recharge. 
• Health & Wellness: Comprehensive medical and voluntary dental, and vision coverage - you choose what works best for you.
• Equity Participation: Employes may receive RSUs (Restricted Stock Units).
• 401(k) Match: We offer a 401k w/100% matching up to 3% of your salary and then 50% of contributions between 3-5% after 1 year of employment. 
• Career Growth: Ongoing training, mentorship, and learning opportunities to accelerate your growth.

Our Culture:
At LiquidPiston, we embrace challenges, move fast, and celebrate curiosity. Our team thrives on collaboration, creativity, and perseverance. We understand that innovation involves risk - and we’re not afraid to fail as we move forward.
Equal Opportunity Employer:
LiquidPiston, Inc. is proud to be an Equal Opportunity Employer. Qualified applicants will not be discriminated against, and receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, or protected veteran status or disability.
All offers of employment at LiquidPiston are contingent upon successful completion of a pre-employment background check and drug screening.

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