Human Resources Outsourcing, Supervisor

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We are the leading provider of professional services to the middle market globally, our purpose is to instill confidence in a world of change, empowering our clients and people to realize their full potential. Our exceptional people are the key to our unrivaled, culture and talent experience and our ability to be compelling to our clients. You’ll find an environment that inspires and empowers you to thrive both personally and professionally. There’s no one like you and that’s why there’s nowhere like RSM.

As a Human Resources Outsourcing (HRO) Supervisor at RSM, you will deliver hands-on HR support across a portfolio of clients while supervising the day-to-day work of HR Associates and Senior Associates. You will execute high-quality HR deliverables, serve as a first-line reviewer of deliverables, and help ensure compliance and operational excellence for small and mid-sized businesses. This role blends direct HR execution with team coordination and is ideal for an experienced HR professional ready to grow into broader engagement leadership.

Location is flexible - can be based near any RSM US office.

Responsibilities

• HR Delivery & Execution: Perform hands-on work and/or ensure accurate and timely HR delivery across the hire-to-retire lifecycle, including employee relations support, compliance reviews, policy and process documentation, onboarding/offboarding, and HRIS administration, while producing high-quality, client-ready deliverables.

• Team Supervision: Supervise and coordinate the daily work of assigned HR Associates and Senior Associates, delegating tasks, balancing workloads, and ensuring deadlines are met.

• Quality Review: Serve as the first-line reviewer of work product, checking for accuracy, completeness, and adherence to RSM methodology.

• HR Advisory Support: Provide practical HR guidance on low to mid-level concerns, more complex employee relations, performance management, workplace investigation support, and compliance matters, escalating the most complex or higher-risk issues to the Manager.

• Compliance & Assessments: Support and execute HR compliance assessments and process reviews, identifying gaps, documenting findings, and helping develop corrective action recommendations.

• Process & Documentation: Build and maintain repeatable HR processes, playbooks, templates, and job aids that improve consistency and efficiency across clients.

• Deliverable & Deadline Management: Track deliverables, timelines, and priorities across assigned workstreams; monitor utilization and flag capacity or timeline risks.

• Coaching & Enablement: Mentor junior team members through day-to-day guidance, feedback, and knowledge sharing, helping strengthen team capability across HR domains and HRIS platforms.

• Adaptability: Support clients and teams through change, shifting priorities, and ambiguous situations with a flexible, solutions-oriented approach.

• Growth Contribution: Contribute to proposal development and support business development activities by demonstrating HR subject-matter expertise.

• Other Duties as Assigned: Perform other related duties as assigned to support client engagements, the team, and the growth of the HRO practice.

Qualifications

• Bachelor’s degree in Human Resources, Organizational Development, Business Administration, or related field required.

• SHRM and/or HRCI certification required.

• 5+ years of progressive HR experience, preferably in a consulting, outsourcing, multi-client, or multi-unit environment, including at least 1 year coordinating, mentoring, or supervising other HR professionals.

• Hands-on experience across multiple areas of the HR lifecycle, including employee relations, compliance, policy development, and HR operations.

• Experience supporting multi-state employment, wage and hour, and leave compliance considerations.

• Strong organizational and project-coordination skills; managing deadlines, tracking deliverables, and balancing competing priorities.

• Experience as an HRIS user across one or more platforms, such as Rippling, ADP, Paychex, UKG, and Paylocity, or similar systems.

• Proficiency in Microsoft Word, PowerPoint, and Excel.

• Ability to manage ambiguity and adapt to changing client and business needs.

• Strong communication and relationship-building skills with internal teams and clients.

• Travel up to 25% may be required based on client and business needs.

Preferred Qualifications

• Additional HR or role related certifications, a plus.

• Benefits administration experience or related certifications.

• Exposure to managing work against deadlines and utilization targets across multiple concurrent assignments.

Location Flexible: Could be based in other US locations

At RSM, we offer a competitive benefits and compensation package for all our people. Learn more about our total rewards at <https://rsmus.com/careers/working-at-rsm/benefits>.

We believe flexibility and in-person connection both play an important role in how we work and grow. Most roles at RSM follow a hybrid workstyle, which means team members are aligned to an RSM office and come together in person when it best supports clients, teams, development or relationship-building. Some roles may be virtual or primarily on-site based on role requirements, team priorities and client needs.

All applicants will receive consideration for employment as RSM does not tolerate discrimination and/or harassment based on race; color; creed; sincerely held religious beliefs, practices or observances; sex (including pregnancy or disabilities related to nursing); gender; sexual orientation; HIV Status; national origin; ancestry; familial or marital status; age; physical or mental disability; citizenship; political affiliation; medical condition (including family and medical leave); domestic violence victim status; past, current or prospective service in the US uniformed service; US Military/Veteran status; pre-disposing genetic characteristics or any other characteristic …