Human Resources Generalist

At Amentum, our mission is to bring advanced engineering and technology solutions to the most significant challenges in science, security, and sustainability. Guided by our vision of creating a secure and vibrant future, we are dedicated to fostering a culture of excellence, innovation, and inclusion. As a vital member of our Human Resources team, you will have the opportunity to drive impactful initiatives that shape the future of a growing business line while ensuring the well-being and success of our workforce.

Our Intelligence & Cyber Business Group is seeking a committed Human Resources Generalist to join our team supporting our Infrastructure Engineering Division. This role blends day-to-day HR execution with forward-thinking planning, ensuring a seamless employee experience.

Responsibilities:

• Facilitate engaging orientation sessions tailored to our Infrastructure Team
• mentum, our mission is to bring advanced engineering and technology solutions to the most significant challenges in science, security, and sustainability. Guided by our vision of creating a secure and vibrant future, we are dedicated to fostering a culture of excellence, innovation, and inclusion. As a vital member of our HR team, you will have the opportunity to drive impactful initiatives that shape the future of a growing business line while ensuring the well-being and success of our workforce.
• Serve as the main HR Contact for new hires, partnering with managers to ensure smooth onboarding and early team integration
• Process transactional HR items in Workday, including one-time payments, salary changes, and compensation increases
• Support the performance management cycle, including goal setting, feedback, and development planning
• Ensure consistent application of HR policies and practices across the Division
• Maintain data integrity to support compliance and reporting needs
• Support newly onboarded leaders through customized assimilation plans and ongoing leadership coaching to accelerate team integration and performance.
• Drive change management initiatives tied to a major business integration, focusing on cultural alignment, team transitions, and leadership visibility.
• Partner with business stakeholders to identify key talent, support career pathways, and build high-performing, mission-driven teams.
• Conduct deep compensation analyses to ensure equity, competitiveness, and role clarity.
• Monitor workforce health indicators like retention and engagement, and communicate insights to influence workforce strategy.
• Be an embedded partner to Program Managers and Directors, translating business needs into scalable HR strategies that drive team and organizational success.
• Provide strategic guidance and coaching to leaders on employee relations matters, fostering a positive work environment, and ensuring consistent application of HR policies and practices.
• Support cross-functional HR initiatives by partnering with HR Operations to execute projects that improve efficiency, compliance, and employee experience.
• Cultivate collaborative relationships with Centers of Excellence, including Benefits, HR Operations, Talent Management, Compensation, and Talent Acquisition, to align business goals with HR strategies and deliver integrated solutions.

Required Qualifications:

• Bachelor's degree in human resources or business operations, and at least 5 years of progressive HR experience; 4 additional years of experience may be substituted for a degree
• Demonstrated experience in government contracting environments, preferably in cybersecurity, intelligence, or defense sectors.
• Strong knowledge of compliance requirements like DCAA and SOX.
• Strong analytical skills and fluency with compensation strategy and workforce metrics
• Exceptional communication, influence, and stakeholder management skills
• A forward-leaning attitude with a focus on driving growth and innovation in HR practices
• Financial business acumen to partner with leadership effectively.
• Ability and willingness to conduct local site visits a minimum of 2x a month.

Desired Qualifications:

• TS/SCI security clearance or eligibility
• SHRM-SCP or equivalent
• Familiarity with Workday systems and analytics

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 .