Senior Human Resources Manager
SALARY $117,978 - $132,891 New hires may earn a salary ranging from the minimum to the midpoint of the pay scale, with education and experience taken into consideration. BENEFITS We offer a comprehensive benefits package for Full-Time employees, including Medical, Dental, Vision, PTO, and 403(b) options. Additionally, employees have access to supplementary benefits such as the Employee Assistance Program, a subsidized ORCA pass, and more. This is a full-time position with benefits. LOCATION Greater Seattle Area, WA (Hybrid) JOIN OUR MISSION TO END HOMELESSNESS Plymouth Housing is a nonprofit organization that develops and operates permanent supportive housing for single adults who have experienced chronic homelessness. With apartment buildings throughout King County, we believe everyone deserves a safe home and the opportunity to thrive. That’s why we provide long-term housing paired with on-site services that promote stability, health, and community. Our culture is rooted in dignity, respect, and shared responsibility: We practice hospitality, communicate with care, and collaborate across differences. We value lived experience, cultural responsiveness, and approaches grounded in harm reduction, trauma-informed practice, and resident choice. We look for people who are committed to safety, learning, and continuous improvement — and who bring steady, values-aligned service in moments that are complex or high-stress. ABOUT THIS ROLE Bring your HR leadership expertise to a mission that matters. As Senior HR Manager at Plymouth Housing, you will lead day-to-day HR operations supporting a workforce of more than 500 employees in a unionized environment. Your work will help ensure that the people delivering mission-critical permanent supportive housing services receive responsive, consistent, and equitable HR support. Working closely with the Director of HR, you will translate HR strategy into effective practices across labor and employee relations, compensation, benefits, HR systems, compliance, and performance management. You will lead four HR professionals—two HR Business Partners and two Total Rewards Specialists—and partner with leaders across the organization to resolve complex issues, strengthen manager effectiveness, and improve the employee experience. This is a hands-on leadership opportunity for someone who brings sound judgment, builds trust across differences, and balances immediate needs with lasting improvements to systems and service delivery. PRIMARY RESPONSIBILITIES Lead and develop the HR team. Set clear expectations, coach staff, establish service standards, and coordinate work across specialized HR functions to deliver cohesive support to employees and managers. Oversee daily HR operations. Guide onboarding, employee transitions, performance management, corrective actions, and offboarding, ensuring consistent and equitable application of policies across union and non-union staff. Support effective labor and employee relations. Partner with the Labor Relations HR Business Partner on collective bargaining agreement administration, grievances, and Labor-Management Committees. Guide complex employee investigations with attention to fairness, documentation, and risk mitigation. Strengthen compliance and accountability. Oversee employment-related reporting, audits, leave and accommodation practices, and compliance with applicable federal, Washington State, and local requirements. Direct total rewards administration. Oversee benefits, annual open enrollment, vendor relationships, compensation structures, market and internal equity reviews, job evaluations, and wage adjustments. Partner with Payroll to implement union wage requirements accurately. Improve HR systems and service delivery. Optimize ADP Workforce Now, maintain data integrity, develop reporting, and streamline workflows through clear procedures, technology improvements, and automation. Build manager capability and organizational effectiveness. Lead the performance management cycle and partner with leadership to deliver training on employee relations, progressive discipline, union contract requirements, and trauma-informed practices. Use data to guide decisions. Establish HR performance measures and translate workforce trends into practical recommendations for retention, engagement, compliance, and operational improvement. Manage resources and support change. Oversee the HR operating budget, vendor contracts, and expenses while supporting organizational transitions, crisis response, and timely policy implementation. KNOWLEDGE, SKILLS, AND ATTRIBUTES WE NEED FROM YOU Builds trust and works respectfully with people from many backgrounds and lived experiences, contributing to safe, welcoming housing communities where residents experience dignity, choice, and belonging. Uses self-awareness and humility to communicate effectively across differences, adapt approach, and treat people with fairness and respect. Brings broad HR expertise spanning labor relations, employee relations, compensation, benefits, compliance, HR systems, and performance management. Understands collective bargaining agreement administration, grievance processes, and employee representation rights, including Weingarten rights. Applies knowledge of Washington employment practices, including workers’ compensation, Paid Family and Medical Leave, accommodations, and wage compliance. Leads specialized teams with clear direction, accountability, and support for professional growth. Exercises sound judgment and discretion when navigating sensitive employee matters and competing organizational needs. Communicates complex policies and requirements clearly and provides practical, collaborative guidance to leaders and staff. Uses data to identify trends, solve problems, and recommend meaningful improvements. Designs effective processes and follows through on implementation while balancing daily demands with longer-term priorities. QUALIFICATIONS At least eight years of progressively responsible HR experience, including at least four years in supervisory or leadership roles. Experience supporting a unionized workforce. Demonstrated success leading HR operations across multiple functions and managing teams through organizational growth, compliance initiatives, or system implementations. Proficiency with ADP Workforce Now. Bachelor’s degree in Human Resources, Business Administration, Labor Relations, or a related field, or equivalent relevant professional experience. The following qualifications are preferred: HR certification, such as PHR, SPHR, SHRM-CP, or SHRM-SCP, strongly preferred. Experience in nonprofit or healthcare settings. Experience with 403(b) plan administration and grant compliance. Familiarity with Yardi or Salesforce. Join us and be a catalyst for positive change! Plymouth Housing is an equal opportunity employer. We recruit, hire, train, and promote employees based on merit and business needs, and without regard to race, color, creed, religion, national origin, ancestry, citizenship or immigration status, sex (including pregnancy, gender identity, and sexual orientation), age, marital status, physical, sensory, or mental disability, honorably discharged veteran or military status, or any other status protected by applicable federal, state, or local law. Salary: . Date posted: 10/23/2026
