People Manager, HR​/Recruitment

Role Summary

Salary: $83,000 to $85,000 per annum, depending on previous experience. Benefits include discretionary profit share bonuses, hybrid and flexible working options, generous vacation, private medical and dental insurance, 401(k) with up to 5% employer contribution, life insurance, full funding for external training, and more.

We are seeking a proactive, enthusiastic People Manager to lead People operations across the Americas. The role involves partnering with the global People team to deliver seamless HR processes, drive engagement, shape workforce strategy, and maintain compliance with US and Canadian employment law.

• Manage all People processes in the US and Canada, including onboarding, offboarding, promotions, employee engagement surveys, benefits processing, sickness/absence management, and more.
• Lead People projects for the Americas and other global entities, keeping key stakeholders informed and ensuring timely delivery.
• Provide expert employee relations advice on performance management, career development, absence management, wellbeing, workplace conduct, and escalation to external counsel when needed.
• Autonomously draft HR letters, ensuring statutory compliance and accuracy.
• Drive process improvements using technology, AI, and best practices to increase HR operational efficiency.
• Keep abreast of HR and employment law changes, informing leadership to integrate insights into People strategy.
• Maintain strong relationships with external partners such as benefits brokers and legal counsel.
• Support the development of the Boston People team, including satisfaction, wellbeing, workload, training, and performance reviews; may include line‑management responsibilities.

Flexible working arrangements allow up to 50% of hours from home, measured over a rolling two‑week period.

Costello Medical is a rapidly growing global healthcare agency that specialises in medical communications, market access, and health economics research. The company is a B Corporation accredited in 2022 and has been named one of the US Top Places to Work in 2025.

• 2–3 years of professional HR experience in the US.
• Degree‑level qualification in a relevant discipline (minimum GPA 3.3) or an HR qualification such as SHRM certification.
• Strong knowledge of US employment law and HR best practice; experience in Massachusetts or New York is desirable.
• Extensive experience managing the full employee lifecycle.
• Proven employee‑relations expertise with a track record of accurate HR advice.
• Experience leading HR projects from planning through to completion, exercising autonomy while collaborating appropriately.
• Collaborative, communicative style with stakeholders and managers.
• Excellent written communication and numerical/financial literacy.
• Courage to challenge, speak up, and influence others while protecting the company's interests.

• Salary $83,000–$85,000 + discretionary profit‑share bonus.
• 23 days vacation (growing to 27 over time) + 6 public holidays + 1 floating vacation day.
• Flexible hours and up to 50% remote work.
• Private medical, dental, vision, and life insurance.
• 401(k) retirement plan with up to 5% employer match.
• Paid funding for external education and study leave.
• Paid and unpaid sabbaticals based on tenure.
• Regular company‑funded social activities.
• Paid and unpaid workplace holidays.

Submit resume and cover letter via our online application form by January 18, 2026. The cover letter should explain your suitability for the role and your motivation to join Costello Medical, providing specific examples. Candidates may be required to undergo security/background checks.

We welcome applications from international candidates who have the right to work in the United States. We do not provide visa sponsorship for working visas but consider those on temporary visas.

As an equal opportunity employer, we are committed to fostering a diverse and inclusive workforce. Reasonable adjustments can be made during the recruitment process. For more information, please visit our equal‑opportunity page.