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 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.

Join our Intelligence & Cyber Business Unit as a Human Resources Manager to help shape the strategy behind our most critical asset - our people. In this role, you will be providing HR leadership to the Senior Vice Presidents (SVP’s) of two business lines and leading a HR team, driving impactful organizational change, and aligning HR strategies with business objectives to foster growth, innovation, and success in a dynamic and evolving environment.

This position requires at minimum 3 days on site.

Key Responsibilities:

• Lead and develop a team of HR professionals, ensuring role clarity, accountability, and alignment with business priorities across a dynamic, matrixed environment.

• Provide steady leadership through change, serving as a trusted escalation point for complex employee matters and guiding the team through shifting priorities with clarity and resilience.

• Interface confidently with HRIS platforms and spreadsheets to support data-driven decision-making, reporting, and process execution across the team.

• Serve as a trusted coach to senior leaders, guiding them in developing and executing HR strategies that drive business success, enhance organizational performance, and foster sustainable growth through effective people initiatives.

• Collaborate closely with the business to drive employee engagement and retention initiatives, nurturing a culture of trust and high performance.

• Partner with leadership to navigate the complexities of government contracting requirements, providing customized HR solutions with a focus on building trust and alignment.

• Engage with business leaders to guide change management efforts, fostering collaborative thought leadership and empowering teams to navigate transformation effectively.

• Foster a collaborative and innovative HR team environment by promoting professional development, accountability, and shared success.

• Develop trusted narratives using accurate HR data and insights to support strategies that attract, engage, and retain top talent.

• Cultivate strong relationships across the organization to manage and support all aspects of the HR lifecycle, including onboarding, assimilation, talent development, performance management, succession planning, and offboarding.

• Collaborate with the Talent Acquisition team to co-create and execute attraction and recruitment strategies, amplifying talent mobility efforts to meet both organizational and employee goals.

• Lead strategic workforce planning initiatives by analyzing current and future talent needs, identify skill gaps, and partnering with leadership to develop and implement workforce strategies that align with business goals.

• Partner with Centers of Excellence (COEs), including HR Operations, Total Rewards, and Talent Management, to seamlessly integrate initiatives that elevate employee engagement and organizational effectiveness.

• Provide hands-on HR support for proposal efforts, aligning objectives with organizational needs, and leading HR-related contract stand-up activities to ensure smooth onboarding and operational readiness.

• Build connections through site visits (up to 20%) to engage leaders, address local HR needs, and strengthen workforce relationships.

Required Qualifications:

• 8+ years of progressive HR experience

• 3+ years previous management experience with a proven track record of building and leading effective teams.

• Demonstrated expertise in government contracting environments

• Proven strategic HR experience with a strong ability to align HR practices to business objectives.

• Strong financial business acumen to partner effectively with leadership and understand business metrics.

• A forward-leaning attitude with a focus on driving growth and innovation in HR practices.

• Active Security Clearance

Desired Qualifications:

• TS/SCI security clearance or eligibility

• SHRM-SCP or equivalent

• Workforce Planning Certification

• Familiarity with Workday systems and analytics