Senior HR Generalist

About the role

Amentum is hiring a Senior HR Generalist for its HR team, based on site at Naval Air Station Fallon, Nevada. The role provides high-level professional support across a broad range of HR functions, including recruitment, onboarding, benefit administration, compliance, employee relations and investigations, while helping maintain a positive workplace culture and employee engagement.

Key responsibilities

• Work with hiring managers on staffing needs, job postings, interview coordination and a smooth candidate experience
• Manage new hire processing in Workday, run orientation and guide employees through benefit enrollment
• Act as a trusted advisor to employees and managers, mediate conflicts, investigate employee relations issues and coach managers on performance management and documentation
• Handle grievances in line with the collective bargaining agreement and ensure HR activities comply with federal, state and local employment laws
• Administer FMLA, ADA accommodations, state-specific leaves and workers' compensation cases from start to return to work
• Support corporate HR initiatives such as performance reviews, merit increases, training requirements and benefits open enrollment
• Use HRIS and applicant tracking systems to manage workflows and analyze data, and contribute to HR process improvements
• Maintain HR files according to standard operating procedures and act as a liaison with third-party administrators and the corporate office

Required profile

• Associate's degree in human resources, business administration, psychology or a related field (two years of HR experience may substitute for each year of the degree)
• At least five years of well-rounded HR generalist experience, with expertise in employee relations, investigations and conflict resolution
• Strong experience in leave management (FMLA, ADA, state-specific leaves) and workers' compensation coordination
• Familiarity with HRIS, applicant tracking systems and HR analytics
• Valid driver's license; must be able to obtain and maintain a U.S. government security clearance (U.S. citizenship required)
• Preferred: bachelor's degree, Workday experience, unionized environment experience, federal government contract background

Required skills

• HRIS and applicant tracking systems
• Microsoft Office (Excel, Word, PowerPoint)
• Ability to work in a fast-paced, customer-focused environment and handle confidential information with discretion

What we offer

• Salary of $85,000, subject to variation based on experience, education, skills and applicable agreements
• Health, dental and vision insurance, paid time off and holidays
• Retirement benefits including 401(k) matching, educational reimbursement and parental leave
• Employee stock purchase plan, tax-saving options, disability and life insurance, and pet insurance