Human Resources Subject Matter Expert (HR SME)
About the role
MTSI is seeking a Human Resources Subject Matter Expert (HR SME) that will provide expert-level support for the full range of workforce planning, staffing, personnel management, and organizational development activities required by a Defense Agency. The position will support a complex, blended workforce consisting of DoW civilian employees, military personnel from all services, Joint Duty Assignees, detailees, and contractor personnel. The successful candidate will possess extensive knowledge of DoW human resources policies, processes, systems, and documentation requirements. This individual will manage and coordinate HR actions throughout the employee lifecycle, maintain accurate workforce and position-management records, and advise leadership on staffing, organizational structure, performance management, and workforce-related risks.
Responsibilities
- Provide subject matter expertise on DoW civilian and military personnel policies, workforce planning, staffing, position management, and organizational design
- Support the management of a blended workforce that includes:
- DoW civilian employees
- Active-duty and reserve military personnel from all services
- Joint Duty Assignees
- Detailees
- Contractor personnel
- Manage and coordinate the DoW civilian hiring process from initiation through onboarding, including:
- Identifying and validating staffing requirements
- Reviewing organizational structures and position requirements
- Developing or updating position descriptions
- Preparing and coordinating recruitment and hiring packages
- Tracking vacancy announcements, certificates, selections, and personnel actions
- Coordinating preemployment and onboarding activities
- Monitoring hiring timelines and resolving process delays
- Establish, review, and maintain manpower and personnel documentation, including:
- Unit Manning Documents (UMDs)
- Position descriptions (PDs)
- Organizational charts and staffing plans
- Billet and position-control records