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Administrative Specialist, Part-Time
Rincon Consultants, Inc.Sacramento, United Statespart_timeVerifiedPosted 17 Jun 2026
💰 $54,000/yr($42,000/yr – $54,000/yr)
About the role
About Us
We are an award-winning California-based environmental consulting firm with 550+ professionals and more than 30 years of diverse experience serving clients in transportation, energy, water, infrastructure, private development, and government sectors. Our mission is to deliver practical, science-based environmental and planning solutions that support communities, infrastructure, and natural systems.
As a people-centric organization, we value collaboration, fairness, and transparency, and are committed to fostering a workplace that supports both personal and professional growth while offering robust career opportunities. We are especially proud of our recent Great Place To Work® certification, which reflects an independent assessment of our culture and our team-member experiences.
About The Role
Rincon Consultants, Inc. is seeking a part-time Administrative Specialist to join our customer-first Administration team in our Sacramento, CA office.
This role is ideal for a dependable, detail-oriented, and customer-centric professional who enjoys supporting teams, keeping operations organized, and creating a positive experience for employees, visitors, and external contacts. The Administrative Specialist will provide day-to-day administrative support to internal teams and interact regularly with management, staff, vendors, and other business partners.
We are looking for a motivated team player who thrives in a fast-paced office environment, demonstrates excellent follow-through, and handles confidential information with discretion and professionalism.
How We Collaborate
This role is fully on-site in our Sacramento office.
What You’ll Do
Required Qualifications
We are an award-winning California-based environmental consulting firm with 550+ professionals and more than 30 years of diverse experience serving clients in transportation, energy, water, infrastructure, private development, and government sectors. Our mission is to deliver practical, science-based environmental and planning solutions that support communities, infrastructure, and natural systems.
As a people-centric organization, we value collaboration, fairness, and transparency, and are committed to fostering a workplace that supports both personal and professional growth while offering robust career opportunities. We are especially proud of our recent Great Place To Work® certification, which reflects an independent assessment of our culture and our team-member experiences.
About The Role
Rincon Consultants, Inc. is seeking a part-time Administrative Specialist to join our customer-first Administration team in our Sacramento, CA office.
This role is ideal for a dependable, detail-oriented, and customer-centric professional who enjoys supporting teams, keeping operations organized, and creating a positive experience for employees, visitors, and external contacts. The Administrative Specialist will provide day-to-day administrative support to internal teams and interact regularly with management, staff, vendors, and other business partners.
We are looking for a motivated team player who thrives in a fast-paced office environment, demonstrates excellent follow-through, and handles confidential information with discretion and professionalism.
How We Collaborate
This role is fully on-site in our Sacramento office.
What You’ll Do
- The Administrative Specialist will help ensure the smooth operation of the office by providing responsive, accurate, and professional administrative support. Responsibilities include:
- Providing administrative support to office staff, helping internal teams operate efficiently and delivering responsive, high-quality service to our clients
- Answering phones, directing calls appropriately, forwarding voicemails, and assisting callers with a customer-first approach
- Managing incoming mail, email communications, packages, shipping, and receiving
- Logging incoming packages, sorting mail, and distributing materials to appropriate staff
- Ordering office supplies and equipment, submitting requests, and tracking inventory
- Processing incoming information and updating department databases
- Preparing, formatting, and editing documents and materials using Microsoft Word, Excel, PowerPoint, and other tools
- Collecting invoices from internal staff for processing
- Performing data entry for reports, forms, logs, and administrative records
- Scanning, filing, and organizing documents as requested
- Assisting with outgoing mail, shipping, and marketing campaign support
- Coordinating and organizing travel arrangements
- Supporting office events and meetings as needed
- Collaborating with other Administrative Specialists and internal teams across the organization
- Performing other duties and responsibilities as assigned
Required Qualifications
- High school diploma or equivalent.
- Minimum of 3 years of office-related, administrative, or concierge experience preferred
- Previous experience providing support in an administrative role
- Proficiency with Microsoft Office Suite, including Excel, Word, Outlook, Teams, SharePoint, and Pow
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