Administrative Assistant,Entry Level; GT Job Chantilly area,Virginia USA,HR/Recruitment

GTSC seeks an Administrative Assistant for its Chantilly, Virginia headquarters Human Resources (HR) office.

The HR Assistant provides administrative and operational support across the Human Resources department. This position is designed to serve as a flexible resource to the HR team, assisting with day‑to‑day HR activities, employee communications, benefits administration, onboarding and offboarding, HR systems and records, compliance tracking, training coordination, and other departmental initiatives.

The HR Assistant will work closely with members of the HR team and will be exposed to multiple areas of Human Resources. Responsibilities may shift based on departmental priorities, making this position well suited for someone who is organized, adaptable, eager to learn, and comfortable supporting multiple projects and stakeholders at the same time.

Required

Skills and Experience:

A high school diploma or GED.

1–2 years administrative assistant experience, responsible for a diverse set of daily recurring tasks.

Strong organizational skills with the ability to manage multiple assignments, deadlines, and follow‑up items.

Proficiency with Microsoft Office, including Outlook, Word, Excel, PowerPoint, and Teams.

Strong written and verbal communication skills with commitment to accuracy and timeliness.

Ability to handle confidential and sensitive information with discretion and professionalism.

Comfortable communicating with employees, managers, vendors, and other internal and external stakeholders.

Ability to work independently on assigned tasks while also functioning effectively as part of a collaborative HR team.

Responsibilities:

Provide day‑to‑day administrative and operational support to members of the Human Resources department.

Monitor HR inboxes and respond to routine employee inquiries or route questions to the appropriate HR team member.

Assist with employee onboarding and offboarding activities, including coordinating required documentation, systems activities, and communications.

Process routine employee transactions and data changes within HR systems, including new hires, terminations, status changes, promotions, and other personnel updates.

Assist with employment verifications and other routine employee documentation requests.

Assist with I‑9 verification and E‑Verify processing and maintain associated records.

Prepare routine HR correspondence, forms, letters, and employee communications using established templates and guidance.

Assist with maintaining accurate electronic personnel records and filing HR documentation in appropriate systems and repositories.

Support benefits invoice reconciliation by reviewing employee eligibility and coverage information and assisting with the identification and resolution of discrepancies.

Track completion of required corporate, compliance, and employee training.

Assist with tracking performance review activities and other recurring HR processes.

Maintain HR trackers, spreadsheets, reports, calendars, and other tools used to monitor departmental activities and deadlines.

Assist with HR compliance audits, document reviews, and records maintenance under the direction of HR staff.

Support preparation and distribution of HR announcements, presentations, newsletters, employee resources, and other internal communications.

Assist with HR projects and initiatives by gathering information, organizing materials, tracking action items, scheduling activities, and following up with stakeholders.

Maintain strict confidentiality of employee, company, and proprietary information.

Perform other duties as assigned.

Physical Requirements:

Ability to commute and work in‑office daily.

Prolonged periods sitting at a desk and working on a computer.

Occasionally required to lift files, open…

Administrative Assistant, Entry Level; GT