Executive Assistant
Thornton Tomasetti
San Francisco, CA · Posted June 24, 2026
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Where San Francisco, CA ranks
Where San Francisco, CA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for security jobs316 openings · of 20
- #1Best cities for technology jobs7,178 openings · of 100
- #1Best cities for financial services pay after cost of living$173k · of 33
- #1Best cities for entry-level jobs that want AI skills35% · of 100
- #1Best cities for entry-level jobs that want AI skills in the West Coast35% · of 54
- #1Cities with the most jobs that do not need a four-year degree in the West Coast902 jobs · of 47
Pay compared with the market
This listing does not state pay. Across 284 open executive assistant listings that state pay, the middle half runs $75,500 to $114,500 and the median is $93,500.
Listed pay is what employers advertise, not what people are paid.
Skills this job asks for
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About the job
Thornton Tomasetti applies engineering and scientific principles to solve the world’s challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career.
The Role
The Executive Assistant is a trusted partner to the Office Director and Principal, providing strategic and administrative support in a fast-paced, collaborative environment. This role is central to keeping operations running smoothly, acting as a liaison across leadership, and ensuring priorities are executed with precision and professionalism.
Responsibilities
Serve as a primary partner to senior leadership, managing complex calendars, priorities, and day-to-day operations
Coordinate meetings, travel, communications, and materials (presentations, reports, and correspondence)
Act as a liaison between executives, internal teams, and external stakeholders, ensuring seamless communication
Handle confidential information with discretion while proactively anticipating needs and solving problems
Support special projects, outreach efforts, and executive initiatives with strong organization and follow-through
Requirements
Bachelor’s degree with 5+ years supporting senior executives in a high-level administrative role
Advanced Microsoft Office skills (Outlook, Word, Excel, PowerPoint)
Exceptional communication, organization, and time management skills with the ability to meet tight deadlines
A proactive, collaborative mindset with strong judgment and attention to detail
Flexibility and commitment to excellence, including availability outside standard business hours when needed
Compensation The rate for this position generally is $35 - $45 hourly. This range is a good faith estimate provided pursuant to the California Pay Transparency Law. It is based on what a successful California applicant might be paid and assumes that the successful candidate will be in California or perform the position from California. Similar positions located outside of California will not necessarily receive the same compensation. Actual pay rates may vary from the range, as permitted by California Equal Pay Transparency Law. Compensation offers will be based on various factors, including operational needs, individual education, qualifications and experience, work location and comparison to employee already in the role, as well as other considerations permitted by law. A potential new employee’s pay history will not be used in compensation decisions.
Benefits
Depending on your employment status, benefits may include:
Medical, Dental, Vision, Life, AD&D, Disability and other voluntary benefits
Flexible Spending Accounts for Medical and Childcare
Paid Time Off, Family Leave for New Parents, Volunteer Time
Tuition Reimbursement
Commuter Transit (where available)
401k retirement savings with Company matching on employee contributions and/or qualified student loan repayments
Fitness Reimbursement
And other various wellness, diversity/inclusion and employee resource programs and initiatives
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Thornton Tomasetti is proud to be an equal employment workplace. Individuals seeking employment at Thornton Tomasetti are considered without regards to age, ancestry, color, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, race, religion (including beliefs and practices or the absence thereof), sexual orientation, military or veteran status, or any other characteristic protected by federal, state, or local laws.
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