We are seeking a proactive and people-focused Supervisor, HR Generalist, to join our Human Resources team in Wilmington, MA. This role will serve as a key partner to leaders and employees, providing expert guidance in performance management and employee relations, while playing a central role in creating exceptional onboarding and employee experience. The ideal candidate thrives in a fast-paced environment, is passionate about building a positive workplace culture, and is skilled in managing both tactical and strategic HR initiatives. This is a hybrid role requiring on-site presence 4 days per week. Responsibilities: Performance Management & Employee Relations Serve as a trusted advisor to managers and employees, delivering expert guidance on performance-related matters with an emphasis on consistency, equity, and business alignment.Provide hands-on coaching to leaders at all levels in navigating complex performance challenges, including progressive discipline, corrective action plans, and talent development conversations.Lead and conduct high-quality, objective investigations with professionalism, confidentiality, and a focus on resolution and accountability.Identify and analyze trends in performance and employee relations, using data to recommend forward-thinking strategies that improve team effectiveness, engagement, and retention.Play a key role in evolving our performance management approach to support scalability and align with the company’s long-term growth. Onboarding, Engagement & Culture Own the delivery of a high-impact onboarding experience in partnership with the Employee Engagement & Culture team, ensuring every new hire in Wilmington is welcomed, equipped, and connected from day one.Actively shape and drive local culture initiatives by leading employee engagement programs, recognition efforts, and team-building events that foster belonging and connection.Serve as the go-to engagement champion in Wilmington, continuously gathering feedback and influencing action plans that reflect the voice of the employee.Facilitate or lead employee listening sessions, town halls, and engagement-focused meetings with the goal of enhancing transparency, building trust, and inspiring collaboration.Bring innovation and scalability to local engagement practices, supporting our efforts to build a more connected and resilient culture across locations. Leadership & Partnership Lead and develop a small team or serve as the primary HR point of contact for designated departments, bringing a proactive and strategic mindset to HR partnership.Collaborate closely with HR Business Partners, Talent Acquisition, and Corporate Engagement teams to ensure consistency, integration, and alignment of all HR programs and policies.Actively contribute to the development and implementation of scalable HR practices that support business growth and operational excellence.Champion our commitment to diversity, equity, and inclusion by embedding inclusive practices in everything from talent decisions to culture programs, in alignment with company-wide DEI goals.Be a force multiplier within the HR teamsomeone who not only delivers results but helps lift the bar for our people practices and employee experience.QualificationsRequirements: Bachelor's degree in a related field or equivalent combination of education and experience required.Three years of increasingly responsible professional experience as an HR professional or comparable professional experience with consistent exposure and partnership on employee relations investigations and HR-related tasks.Prior experience supporting or supervising HR team members or acting as department lead preferred.Strong knowledge of federal and state labor laws, particularly Massachusetts employment law.Excellent interpersonal, communication, and problem-solving skills.Proven ability to handle sensitive matters with professionalism, empathy, and confidentiality.Passion for employee engagement, culture-building, and continuous improvement.Excellent time management, organizational skills, and the ability to manage multiple priorities concurrently.Exceptional customer service skills.Strong communication and interpersonal skills.Ability to multitask and prioritize tasks effectively.Able to communicate policies and other business information effectively and meaningfully with employees at all levels of the organization.Ability to work independently and collaboratively.Must possess a 'Can-Do' attitude and be a self-starter on daily projects.Outstanding knowledge of MS Office; HRIS systems, PeopleSoft is a plus. Benefits & Perks: 401K with Company Match, Profit Sharing, Health Insurance, Employee Assistance Program, Life Insurance, Paid Time Off, Tuition Reimbursement, 30% Employee Discount, Employee Referral Bonuses. UniFirst is an international leader in garment & Uniform services industry. We currently employ over 14,000 team partners who serve 300,000 business customer locations throughout the U.S., Canada, and Europe. We were included in the top 10 of Selling Power magazine’s “Best Companies to Sell For” list and recognized on Forbes magazine’s “Platinum 400 – Best Big Companies” list. As an 80-year old company focused on annual growth, there’s never been a better time to join our team. UniFirst is an equal opportunity employer. We do not discriminate in hiring or employment against any individual on the basis of race, color, gender, national origin, ancestry, religion, physical or mental disability, age, veteran status, sexual orientation, gender identity or expression, marital status, pregnancy, citizenship, or any other factor protected by anti-discrimination laws