Lead HR Business Partner

Join Our Team We are seeking an experienced and driven Lead HR Business Partner to support the Facilities Sustainment Services Contract (FSSC) at NASA's Johnson Space Center. This position serves as the primary Human Resources partner for a workforce of 300 employees supporting engineering, operations, maintenance, construction, and facility services across Johnson Space Center, the Sonny Carter Training Facility, and Ellington Field. This role provides both strategic and hands‑on HR leadership while partnering closely with contract leadership, management, employees, and union representatives. The successful candidate will serve as a trusted advisor, driving employee engagement, supporting labor relations, ensuring compliance, and delivering HR solutions that support business objectives and workforce success. If you are a highly collaborative HR professional with strong employee and labor relations experience who enjoys working in a dynamic operational environment, we encourage you to apply. Position Summary The Lead HR Business Partner is responsible for supporting all aspects of Human Resources for the FSSC workforce. Reporting directly to the Regional Human Resources Director and receiving daily direction from the Human Resources Manager, this role serves as the lead HR representative supporting day‑to‑day HR operations and employee services. The position provides expertise in employee relations, labor relations, recruiting, workforce planning, performance management, organizational development, compliance, training, employee engagement, and HR administration. This role also supports the implementation of strategic HR initiatives while ensuring compliance with company policies, collective bargaining agreements, and federal employment regulations. Essential Duties and Responsibilities Employee Relations Conduct and lead employee relations investigations involving workplace complaints, policy violations, misconduct allegations, attendance concerns, performance issues, and disciplinary actions. Advise supervisors and managers on employee relations matters, performance management, coaching, corrective actions, and conflict resolution. Ensure consistent application of company policies, procedures, and employment practices. Prepare investigation documentation, findings, recommendations, and corrective action plans. Promote a positive work environment through proactive employee engagement initiatives. Labor Relations Serve as a key HR resource supporting a union‑represented workforce. Interpret and administer Collective Bargaining Agreement (CBA) provisions. Advise leadership on labor relations matters and contract compliance. Support grievance administration, investigations, fact‑finding activities, and resolution efforts. Participate in labor‑management meetings and maintain productive working relationships with union representatives. Partner with operational leadership to ensure compliance with negotiated agreements and established practices. Talent Acquisition & Workforce Planning Support full‑cycle recruitment activities for exempt, non‑exempt, technical, professional, operations, maintenance, and construction positions. Partner with hiring managers to identify staffing needs and develop recruiting strategies. Coordinate candidate sourcing, interviewing, selection, offer development, onboarding, and orientation processes. Support workforce planning, succession planning, talent management, promotions, and employee transfers. Learning & Development Deliver employee and leadership training on company policies, procedures, employment practices, compliance topics, and workplace expectations. Educate managers and employees regarding CBA provisions, HR programs, and employment policies. Facilitate new hire orientation and onboarding programs. Develop and deliver HR communications, presentations, and training materials. Identify learning opportunities that support workforce development and organizational effectiveness. HR Operations & Administration Support the Human Resources Manager with daily administration of HR programs and processes. Process employee transactions including hires, transfers, promotions, organizational changes, leaves of absence, and terminations. Maintain accurate employee records and HRIS data. Support benefits administration and employee communications. Prepare workforce reports, dashboards, metrics, and HR analytics. Assist with annual performance management and compensation processes. HR Business Partnership Serve as a trusted advisor to managers and employees on HR policies, employment practices, workforce planning, and organizational effectiveness. Coach leaders on employee engagement, retention, succession planning, and talent development strategies. Support implementation of strategic HR initiatives and organizational change efforts. Act as the primary backup to the Human Resources Manager. Compliance Ensure compliance with all applicable federal, state, and local employment laws and regulations. Support audits, reporting requirements, and government contractor compliance obligations. Maintain confidentiality of employee and company information. Ensure compliance with company policies, customer requirements, and contractual obligations. Required Qualifications Bachelor’s degree in Human Resources, Business Administration, Organizational Development, Industrial Relations, or a related field. Minimum of 6-8 years of progressive Human Resources experience with increasing levels of responsibility. Demonstrated expertise in employee relations, including conducting workplace investigations and managing complex employee issues. Previous labor relations experience supporting a unionized workforce. Experience interpreting and administering Collective Bargaining Agreements. Strong knowledge of federal and state employment laws and HR compliance requirements. Experience supporting recruitment, workforce planning, onboarding, employee development, performance management, and HR operations. Exceptional communication, coaching, interpersonal, and conflict-resolution skills. Strong analytical, organizational, and problem‑solving abilities. Ability to manage multiple priorities while delivering exceptional customer service. Proficiency in Microsoft Office and Human Resources Information Systems (HRIS). Preferred Qualifications SHRM-CP, SHRM-SCP, PHR, or SPHR certification. Experience supporting federal government contracts or government contractor workforces. Experience supporting engineering, facilities management, operations, maintenance, or construction organizations. Knowledge of Service Contract Act (SCA) requirements. Experience supporting labor‑management committees, grievance administration, and workforce planning initiatives. Work Location & Schedule This is a full‑time, primarily on‑site position located at: NASA Johnson Space Center 2101 E. NASA Parkway Houston, TX 77058 Regular onsite presence is required to support employees and management across Johnson Space Center, the Sonny Carter Training Facility, and Ellington Field. The role requires direct interaction with employees, leadership, union representatives, and customer stakeholders. Limited telework opportunities and flexible scheduling options may be available based on business needs, operational requirements, management approval, and customer requirements. Work Authorization, Security & Screening Requirements This position supports a federal government contract and is subject to customer and company screening requirements. Must be able to obtain and maintain all required NASA site access credentials and security requirements. Must successfully complete a NASA and federal contractor background investigation. Employment is contingent upon successful completion of all required pre‑employment screenings. Must successfully pass pre‑employment and ongoing drug and alcohol screening requirements in accordance with company, customer, and federal regulations. Must be authorized to work in the United States and maintain work authorization throughout employment. Ability to comply with all company, customer, contractual, and security requirements is a condition of employment. Why Join Us? This is an opportunity to serve in a key HR role supporting the workforce that operates and maintains critical infrastructure for one of the world's most recognized space and research organizations. As the Lead HR Business Partner, you will have a direct impact on employee engagement, labor relations, workforce development, and organizational success while partnering with a diverse and highly skilled workforce across the Facilities Sustainment Services Contract at NASA Johnson Space Center. Compensation Details: $80,000- $105,000 The compensation range or hourly rate listed for this position is provided as a good‑faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws. Benefits Overview: Our health and welfare benefits are designed to support you and your priorities. Offerings include: Health, dental, and vision insurance Paid time off and holidays Retirement benefits (including 401(k) matching) Educational reimbursement Parental leave Employee stock purchase plan Tax‑saving options Disability and life insurance Pet insurance Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara‑O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits. Original Posting: 09/23/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low‑income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters. #J-18808-Ljbffr Amentum