Executive Assistant

Thornton Tomasetti; San Francisco (CA); On-site; USD 48,000 - 62,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

AD&D

Disability Insurance

401k with Company Match

Tuition Reimbursement

Commuter Benefits

Paid Time Off

Family Leave

Volunteer Time

Job summary

Thornton Tomasetti is seeking an Executive Assistant to partner with the Office Director and Principal, delivering strategic administrative support in a fast-paced, collaborative environment. You will help keep operations running smoothly, acting as a liaison across leadership and ensuring priorities are executed with precision and professionalism.

Responsibilities include managing complex calendars, coordinating meetings and travel, and handling confidential information with discretion.

Qualifications

• Bachelor’s degree required; 5+ years supporting senior executives in a high-level role.
• Advanced Microsoft Office skills (Outlook, Word, Excel, PowerPoint).
• Exceptional communication, organization, and time management under tight deadlines.
• Proactive, collaborative mindset with strong judgment and attention to detail.
• Flexibility including availability outside standard business hours when needed.

Responsibilities

• Serve as a primary partner to senior leadership, managing calendars and day-to-day operations.
• Coordinate meetings, travel, communications, and materials (presentations, reports, etc.).
• Act as liaison between executives, internal teams, and external stakeholders.
• Handle confidential information with discretion and proactive problem solving.
• Support special projects and executive initiatives with strong organization and follow-through.

Skills

Calendar management

Executive liaison

Discretion & judgment

Communication

Time management

Problem solving

Collaboration

Education

Bachelor’s degree

Tools

Microsoft Office

Outlook

Word

Excel

PowerPoint

Job description

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

• 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.

To request a reasonable accommodation during the application process for this role, please contact [e-mail]