Human Resource Generalist

XMSTART•Fairfax, VA

About The Position

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.

Requirements

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.

Nice To Haves

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

Responsibilities

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.
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.
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.
Promote a people-first environment that invests in employee growth and satisfaction. Ensure consistent internal messaging that reinforces corporate identity and values.
Support training, development, and upskilling aligned to contract and corporate needs. Enable performance management processes that enhance workforce effectiveness.
Identify opportunities to streamline HR operations and reduce inefficiencies. Support leadership with cost-conscious workforce planning and reporting.
Align HR strategies and workforce planning to customer mission priorities. Ensure talent readiness and responsiveness to evolving contract demands.

Benefits

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

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