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Human Resource Administrator

Job in Triangle, Prince William County, Virginia, 22172, USA
Listing for: Mainspring Recovery
Full Time position
Listed on 2026-01-17
Job specializations:
  • HR/Recruitment
    Employee Relations, Talent Manager
Job Description & How to Apply Below
Location: Triangle

Mainspring Recovery is a mission-driven behavioral health organization built on the belief that healing happens when the right people are in the room. We provide care across multiple levels, including Residential, Partial Hospitalization (PHP), and Intensive Outpatient (IOP), supporting individuals and families throughout the recovery process.

Every role at Mainspring, clinical and non-clinical alike, contributes to creating safe, structured, and effective environments where people can rebuild their lives. We invest in strong teams, clear systems, and thoughtful leadership, believing meaningful impact comes from doing the work well, supporting one another, and holding ourselves to high standards across the organization.

Job Title:

Human Resources Administrator

Reports To:
Paula Webber, Director of People

Department:
People

Location:
On-site, Triangle, VA

Employment Type:

Full-time, Exempt

Job Summary

The Human Resources Administrator assumes a crucial role in executing HR-related responsibilities at a professional level, collaborating closely with senior leadership. This role encompasses a diverse range of functions, including benefits administration, employee relations, training, performance management, onboarding, policy implementation, recruitment/employment, affirmative action, and ensuring compliance with employment laws. The ideal candidate for this role will be a motivated, self-starter who is always looking for ways to improve the status quo but is not afraid to roll up their sleeves to get things done.

Key Responsibilities
  • Serve as the primary on-site Human Resources contact, acting as a trusted resource for managers and employees on a wide range of HR-related matters.
  • Lead and facilitate weekly new hire orientation that introduces employees to company culture, policies, benefits, and expectations.
  • Administer benefits programs, including communicating benefits information to employees, supporting enrollments and changes, and responding to employee questions regarding their pay, benefits and deductions.
  • Manage the full onboarding lifecycle, including initiating and tracking background screenings, verifying employment eligibility (I-9), setting up employee credentials and system access, and completing payroll setup.
  • Lead employee relations matters, partnering with site leadership and the Director of People, to ensure issues are handled appropriately, documentation is complete and compliant, and resolutions are timely.
  • Oversee and monitor employee compliance requirements, including mandatory training, licensure, certifications, and renewals; proactively follow up with employees and managers to ensure ongoing compliance.
  • Administer various human resource plans and procedures for all employees; assisting in the development and implementation of policies and procedures; and supporting the maintenance of the employee handbook.
  • Perform full life‑cycle processing of bi‑weekly payroll, including partnering with managers to review, audit, and approve employee timecards for accuracy, compliance, for timely payroll submission.
  • Work closely with legal and compliance to ensure all HR policies and practices align
  • Maintain knowledge of trends, best practices, regulatory changes, and new technologies in human resources, applying this knowledge to communicate changes in policy, practice, and resources to leadership.
  • Create and implement HR programs (employee of the month, etc.) to create a positive workplace culture and working environment.
  • Track, analyze, and report HR KPIs and metrics, such as retention and turnover rates, FMLA, Workers’ Compensation, etc.
  • Support performance management processes, including coordinating and administering new hire evaluations and annual performance reviews.
  • Enhance employee satisfaction by addressing concerns promptly, supporting new perks and benefits, and assisting with the planning and coordination of team‑building and engagement activities.
  • Support and manage DEI initiatives, promoting equitable practices and an inclusive workplace culture.
  • Acting as a resource for staff on a variety of HR related items.
  • Performs all other duties as assigned.

Minimum Qualifications

Education / Credentials
  • Bac…
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