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 workforce planning and reporting.
• Customer Focus: Align HR strategies and workforce planning to customer mission priorities. Ensure talent readiness and responsiveness to evolving contract demands.

Requirements

Required Skills & Minimum Qualifications:

• Ability to handle confidential information professionally.
• Payroll and HR operations expertise with strong compliance orientation.
• Proven recruiting and onboarding experience in dynamic environments.
• Excellent communication, organization, and problem-solving skills.
• Proficiency in Microsoft Office tools.
• Minimum of 5 years of HR experience.
• Experience with HRIS systems such as ADP WorkForce Now.
• Experience in a government contracting environment.
• Experience working with executive leadership, hiring managers, external brokers or benefits vendors, and candidates throughout the recruiting process.
• Eligibility to work in the United States.

Preferred Qualifications:

• SHRM-CP, SHRM-SCP, PHR, or SPHR certification.

Benefits

What We Offer:

• Opportunities for professional development to help you reach your career goals.
• Access to tools, mentorship, and resources tailored to elevate your proficiency and contributions.