Senior Administrative Assistant

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?

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Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

The Senior Administrative Assistant plays a vital role in supporting overall office operations and maintaining a professional, welcoming environment. This position serves as the primary point of contact and the first individual to greet visitors, while also acting as a key liaison for employees, guests, and external partners. The Senior Administrative Assistant is responsible for coordinating meetings, overseeing office and facility services, supporting employee onboarding, and providing comprehensive operational support to management and a staff population of more than 160 employees. This role requires exceptional organizational skills, strong attention to detail, and the ability to effectively manage multiple priorities in a fast-paced office environment.

In the role of Senior Administrative Assistant, we'll count on you to:

• Lead front-desk and reception functions, serving as the first point of contact for visitors, employees, and external partners, and answering and directing incoming phone calls
• Coordinate meetings, conference rooms, and meeting logistics, including ordering lunches as needed
• Order and manage all office, kitchen, and operational supplies to support daily business needs
• Manage mail, deliveries, and shipping requests
• Process expense reports, invoices, and light accounting tasks
• Support onboarding of new employees, including paperwork, badge creation, and workstation setup
• Act as the primary point of contact for facilities-related services, including cleaning, maintenance, and kitchen appliances
• Provide general administrative and operational support to Senior Management and office staff as needed
• Perform other duties as assigned

Preferred Qualifications

• Associate degree or equivalent experience
• 7+ years of performing comparable duties will be considered in lieu of administrative support experience
• Strong organizational, communication, and multitasking skills
• Professional demeanor with the ability to interact effectively with employees and visitors

• Ability to handle confidential information

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Required Qualifications

• High School diploma or equivalent
• A minimum of 3 years experience in administrative support
• Knowledge of MS Office Suite, including Word and Outlook
• Excellent verbal and written communication skills
• Professional, self-motivated, well-organized and detail-oriented with the flexibility and ability to prioritize and handle multiple tasks in a fast-paced environment
• Ability to meet deadlines
• Knowledge of A/E industry desired
• Experience working in an office environment
• An attitude and commitment to being an active participant of our employee-owned culture is a must

What We Believe
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees. Primary Location: United States-Florida-Orlando Industry: Administrative Schedule: Full-time Employee Status: Regular BusinessClass: Marketing and Admin Job Posting: May 14, 2026