Part-Time HR Manager

Slater Consult • Reston, VA

4h • Hybrid

About The Position

MyDefence is a leading provider of advanced counter-drone technology, delivering mission-critical solutions to defense, government and security customers worldwide. With rapid growth in the U.S. market, the company is expanding its team and strengthening its operational capabilities. To support this growth, we are looking for a hands-on and structured HR professional to take ownership of day-to-day HR operations and ensure a smooth and professional employee experience across the U.S. organization. You are a hands-on and reliable HR professional who enjoys taking ownership and making things run smoothly. You thrive in fast-paced, growing environments where priorities can shift and structure is still evolving. You are detail-oriented, proactive and solution-driven, with the ability to manage multiple tasks independently. You take pride in getting things done and ensuring a professional employee experience.

Requirements

• Bachelor’s degree in HR, Business Administration or a related field
• 5–10 years of experience in HR operations, HR administration or HR generalist roles
• Advanced, hands-on experience as a power user of ADP Workforce Now/TotalSource
• Highly proficient in the Microsoft Office/Microsoft 365 suite
• Experience managing onboarding and employee documentation processes
• Strong attention to detail and ability to manage manual data input and data accuracy
• Excellent written communication skills
• Ability to work independently and handle multiple priorities in a fast-paced environment
• Comfortable working in a scale-up environment with evolving processes
• You enjoy being the person who gets things done and takes ownership of HR operations end-to-end

Nice To Haves

• Experience working with international teams in the defense, security, or technology sectors

Responsibilities

• Manage and maintain employee data and HR systems, including ADP
• Draft and issue offer letters, NDAs and employment documentation
• Coordinate and execute end-to-end onboarding processes
• Ensure compliance and proper documentation across the employee lifecycle
• Serve as a point of contact for HR-related questions from employees
• Support communication and coordination with the global People & Culture team
• Handle day-to-day HR administrative tasks and ensure smooth operations
• Contribute to building and improving HR processes and structure as the company grows

Benefits

• Innovative work atmosphere: A company with an expansive growth vision, providing opportunities for personal and professional development.
• Autonomy and balance: A healthy work-life balance offering a high degree of autonomy, flexible work arrangements and a welcoming and supporting work environment.
• Growth Opportunity: Be part of a rapidly expanding U.S. presence with a global footprint.

What This Job Offers

• Job Type: Part-time
• Career Level: Mid Level
• Number of Employees: 1-10 employees