Administrative Assistant
Posted 5 Oct 2026
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 3+ yrs
- Management level
- Individual contributor
- Employment
- On-Site
- Contract
- Part-time
No salary listed for this role.
Field of studyOffice Administration (or related)
Study levelAssociate degree
Grounded in safety, quality, and ethics, our experts lead their fields and guide our work with rigor, a creative spirit, and a vision for growth. We draw from more than 20 technical specialties worldwide and are committed to fostering an inclusive community of diverse talents, backgrounds, and expertise. We’re a place to apply your passion and collaborate with top environmental talents on work critical to our clients and the communities they support. Join a team that has the environment down to a science.
Are you someone who enjoys working as part of a supportive team, values accuracy and organization, and can manage multiple priorities in a professional environment? Our Environmental Services team is seeking an Administrative Assistant to join our Monrovia office.
This role is well suited to an administrative professional who is comfortable supporting a variety of people and projects, enjoys collaborating with others, and brings a practical, solutions-oriented mindset to day-to-day work. You will be part of an experienced administrative team that works together to support engineers, technical staff, and leadership.
Your Opportunity
This part-time role will be to provide general administrative support to our Environmental Services team and the Monrovia office.
Your Key Responsibilities
- Provide administrative support for approximately 30 engineers, and scientists.
- Perform reception duties; greet and direct visitors.
- Perform clerical tasks including data entry, filing, photocopying, scanning etc.
- Support onboarding logistics for new employees.
- Complete lab and office inspections.
- Electronic (SharePoint, server files) and hardcopy file management. Management of tracking spreadsheets and fundamental database systems Inventory and order office equipment and supplies.
- Proofread, format and PDF documents such as proposals, reports, specifications, meeting minutes, and client correspondence.
- Support the tracking
- Coordinate mail, deliveries, couriers etc.
- Schedule meetings, books meeting rooms, handles any special requests, sets up and cleans up meetings rooms.
- Maintain stock of office supplies and ensures functionality of office equipment.
- Perform basic onboarding duties for new hires.
- Serve as the office safety coordinator (OSEC).
- Provide project-related support services.
- Performs other administrative duties as required.
- Oversight of shared storage spaces and coordination with teams using the spaces to maintain safety and organization.
- Assist with office coordination, including conference rooms, supplies and occasional social or team events.
- Coordinate and schedule with office contractors.