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trilon.com

Oakland, California

Administrative Assistant.

FULL TIME$60K–72K/YR
Alta Planning + Design seeks an Administrative Assistant for our Oakland office. If you are looking to join an innovative organization and do work that connects people to places while advancing social justice, safety, and environmental resilience, apply with Alta today!

About Alta
Alta is a mission‑driven company working to mitigate climate change and advance safety and social justice by shaping sustainable, people‑centered communities. We bring together expertise across planning, design, engineering, education and encouragement programs, and community engagement to help communities thrive. Our work is grounded in the belief that how places are designed and experienced has a profound impact on equity, health, and opportunity—and that people should always be at the heart of those decisions.

Founded in 1996, Alta was at the forefront of the active transportation movement and has spent nearly 30 years partnering with communities to imagine a more connected, resilient, and inclusive future. Today, with more than 225 staff across the United States and beyond, we are a global leader in creating environments that support everyday life, strengthen human connection, and respond to the challenges of a changing world. Alta offers the opportunity to collaborate across disciplines, contribute to meaningful work at every scale, and be part of a team committed to making lasting, positive change for people and the places they call home.
In this role, you'll be the organizational hub for our Oakland office while providing administrative support to other regional offices occasionally. You'll manage day-to-day office operations, coordinate with building management on facilities needs, and support our team with logistics for meetings and events. You'll use your organizational skills and attention to detail to keep our offices running smoothly, from managing supplies and technology coordination to supporting administrative functions across the region. This position is based in our Oakland office with an in-office schedule Monday through Thursday. Essential job functions include: 
  • Manage office operations including coordination of supplies, office space needs, and technology and security coordination with building management 
  • Provide logistics and hosting support for office events and meetings 
  • Support administrative office functions across Oakland and other West Region offices 
  • Track office operating expenditures and help manage office budgets 
  • Attend regular staff meetings to ensure workload balance and streamlined communication 
  • Serve as liaison between staff, building managers, vendors, and contractors 
  • Participate in conference calls with regional office managers as needed 
Required
This position requires a combination of skills, experience and education including, but not limited to
  • 3+ years of experience as an administrative assistant or project coordinator 
  • Effective oral and written communication skills with the ability to maintain positive relationships with staff, clients, and vendors
  • Strong organizational and multitasking abilities 
  • Proficient with Microsoft Office 365, Excel, Outlook, and MS Teams 
  • Ability to work independently and manage multiple priorities 
  • Experience with Adobe Creative Suite
  • Desire to create a welcoming and efficient office environment 


Preferred

There are a number of additional skills, experience, and education that would be beneficial to this position including, but not limited to:
  • Bachelor's or Associate’s degree or equivalent experience 
  • Experience as a Project Coordinator in a consulting environment 
  • Experience with Wrike and Deltek
Compensation
The pay range for this job in Oakland is $60,000-$72,000 annually. Placement within the range is based upon experience, skill-sets, and qualifications.

Benefits
Alta offers comprehensive benefits to all full-time employees:

  • Medical: PPO or HSA medical plans, Alta pays 75% of the cost
  • Dental/Vision: PPO, Alta pays 90% of the cost
  • Life Insurance: Alta pays 100% of the premium for life and AD&D, equal to your base compensation
  • 401(k): Alta provides a match up to 3%
  • PTO: 21 days accrued annually to start
  • Holidays: 11 total company paid holidays
  • Paid Parental Leave/Short-Term Disability 
  • Additional Benefits: Wellness reimbursement up to $800 annually, Alta Gets Around benefit of up to $900 annually, 5-year travel award, and professional development opportunities
#LI-MP1
Pay
$60k–72k/yr
Where
Oakland, California
Work
Not stated
Type
Full time
Posted
12 Nov, 2026
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