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?

Watch Our Story:' '

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.

At HDR, our employeeownership model shapes everything we do, including how we support and care for our people. Our diverse service lines, including Water, Architecture, Building Engineering Services, Field Services, Power, Waste, Industrial, and Transportation, reflect our commitment to shaping resilient, sustainable, and forwardthinking communities around the world. Across these disciplines, our teams design and deliver solutions that safeguard public health, enhance quality of life, power innovation, and drive responsible growth. Whether advancing clean water, creating healing and learning environments, engineering nextgeneration facilities, or building the infrastructure that moves people and energy, our work is rooted in technical excellence and a shared sense of purpose. Our employeeowners collaborate across specialties, combining creativity, precision, and deep expertise to solve the most complex challenges facing our clients and communities.

In the role of Senior Administrative Assistant, you'll report to the Office Principal to assist in the operations of the office and limited project support. We are seeking a motivated self-starter who is looking for an opportunity to support a rapidly growing office and build a career.

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

• Provide administrative support for office support for staff, such as, phone coverage, mail and shipping and handling of packages, meeting scheduling, and expense report processing
• Greet guests, clients, and company personnel with professionalism and a friendly demeanor
• Supporting HR with on-boarding materials preparation, training new staff on office policies and procedures, and organizing participation in career fairs across the area
• Coordinate meeting facilities, prepare meeting materials, and manage logistics
  • This will apply to the Office and to project support as needed
• Assist in organizing office events and activities, ensure smooth execution including, but not limited to, arranging catering and budget development
• Assist in budgeting and handling specific accounting tasks as needed for office operations
• Type, edit, and organize documents such as reports and forms with attention to grammar and formatting
• Create and manage Excel spreadsheets and PowerPoint presentations
  • This will apply to the Office and to project support as needed.
• Handle sensitive and confidential information with professionalism and discretion
• Respond to inquiries regarding office policies and procedures
• Organize and order office supplies, maintaining an efficient and organized inventory system
• Coordinate office repairs with building management and update staff as needed.
• Coordinate meeting space, supplies, and meals for groups using the office.
• Keep the office orderly with some light cleaning
• Provide a variety of administrative functions, which may include administrative support for one or more executives, phone coverage, reading and routing incoming mail, scheduling appointments and processing expense reports
• Compose and organize materials and reports, and maintain records for work performed
• Coordinate and manage meeting facilities and arrangements
• Perform other duties as needed

Preferred Qualifications:

• Local candidates

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-Tennessee-Brentwood Industry: Administrative Schedule: Full-time Employee Status: Regular BusinessClass: Marketing and Admin Job Posting: Sep 1, 2026