HR Manager

Key Info

  • Job Title:
    HR Manager
  • Location:
    Westborough
  • Sector:
    ENERGY STORAGE
  • Salary:
    $140,000 - $170,000 + 10% Bonus
  • Contract Type:
    permanent
The Company:
This US–based leader in grid-scale battery storage is part of a global renewable energy powerhouse that is shaping the future of clean energy. Combining world-class engineering expertise with expanding US manufacturing capabilities, the company is delivering large-scale solutions that can power over 1 million homes.

The US project delivery division has over 200 employees across engineering, sales, and field operations, with 100+ permanent hires planned next year as new battery facilities come online. While manufacturing operations are handled elsewhere, this team is responsible for designing, delivering, and supporting large utility-scale battery storage systems for power providers. The company’s culture emphasizes professional development, sustainability, collaboration, diversity, and innovation.

The Role:

We are seeking an experienced HR Manager to join a growing division of more than 200 employees. This hands-on role partners with the senior HR leader to deliver core HR programs, drive employee experience, and provide operational HR leadership. Talent acquisition is handled by internal specialists, allowing this role to focus on leading key HR initiatives and contributing to broader people strategy. The HR Manager also serves as a backup to the HR Director, stepping in to lead the department when needed. 

Key Responsibilities
Employee Relations
  • Lead workplace investigations, including hotline reports.
  • Guide managers on performance issues, coaching, and corrective actions.
Performance Management
  • Own the full performance cycle: goal setting, mid-year and annual reviews, timelines, training, calibrations, and communications.
  • Support compensation review cycles and merit planning.
  • Lead performance improvement and talent density initiatives.
Engagement & Retention
  • Drive engagement and retention programs, including surveys, action planning, stay interviews, and development planning.
  • Contribute to succession planning in partnership with senior HR leadership.
Immigration
  • Act as the main contact for immigration processes, including initiating cases and reviewing/signing documents.
HR Strategy & Leadership Backup
  • Partner with the HR Director to develop and implement HR policies and programs.
  • Execute initiatives independently to advance organizational goals.
  • Provide guidance to the HR team and serve as HR lead in the HR Director’s absence.
Supporting Responsibilities
  • Provide support across HR functions including Workers’ Compensation, Learning & Development, Benefits, Compensation, HR reporting, and general HR operations.

Essential Requirements:
  • 5-10+ years of HR experience
  • Experience in a technical environment such as construction, manufacturing, or engineering 
  • Strong capability in employee relations and performance management 
  • Ability to maintain confidentiality and use sound judgement in complex situations
  • Good knowledge of employment laws and HR best practices 
  • Ability to work well in a fast paced and evolving environment
  • High work ethic and strong problem solving ability

Preferred Requirements: 
  • Experience in an engineering-driven or renewables business
  • SHRM CP or SHRM SCP 
  • Superior MS Excel Skills and Power Bi experience helpful

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Tonic is a global talent business bridging the gap between visionary talent and companies driving towards a carbon-free future.

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