Human Resource Generalist

XMSTART is a mission-focused professional services firm dedicated to delivering impactful solutions while fostering a strong and sustainable corporate environment. Supporting government and intelligence community customers across technical, engineering, and program support services, the company places equal emphasis on operational excellence and a strong internal culture. In this role, you will help advance XMSTART’s 4C Strategic Imperatives —Customer Focus, Capability, Corporate Containment, and Culture—through people operations, talent lifecycle support, and employee engagement. This is an opportunity to contribute to the systems, processes, and relationships that help teams stay mission-ready while strengthening the employee experience across the organization. Responsibilities HR Operations & Payroll: Manage accurate, compliant, and timely end-to-end payroll processing. Administer HRIS (ADP) to ensure data integrity, reporting accuracy, and operational efficiency. Oversee benefits programs, insurance renewals, and vendor/broker relationships with cost awareness. Ensure compliance with HR regulations to mitigate risk. Maintain audit-ready personnel records and standardized HR processes. Develop repeatable, efficient workflows that control corporate costs without slowing delivery. Recruiting, Orientation & Onboarding: Lead full-cycle recruiting aligned to current and future contract requirements. Support staffing strategies that build a multi-disciplined, mission-ready workforce. Manage candidate pipelines, security clearance hiring, and proposal staffing support. Develop and facilitate structured onboarding programs that accelerate employee contribution to customer missions. Foster cross-contract collaboration by aligning onboarding with organizational goals and shared capabilities. Track recruiting metrics to continuously improve hiring effectiveness and speed. Corporate Events & Employee Engagement: Support executive leaders in planning and executing the annual company trip, ensuring strong participation, alignment, and value. Organize team-building activities that strengthen collaboration across contracts and disciplines. Coordinate corporate outings and engagement events that reinforce XMStart’s brand and identity. Promote a shared mindset culture, emphasizing connection, communication, and collaboration. Align engagement efforts to employee development, retention, and organizational cohesion. Additional Responsibilities: Culture: Promote a people-first environment that invests in employee growth and satisfaction. Ensure consistent internal messaging that reinforces corporate identity and values. Capability: Support training, development, and upskilling aligned to contract and corporate needs. Enable performance management processes that enhance workforce effectiveness. Corporate Containment: Identify opportunities to streamline HR operations and reduce inefficiencies. Support leadership with cost-conscious…