Administrative Assistant

DeSilva Gates Construction; Dublin (CA); On-site; USD 56,250 - 68,750; Full time

Benefits offered by this job

Base salary starting from $62,500/year

Profit sharing

Health insurance, dental, and vision

Paid time off and holidays

401k plan

Career growth opportunities

Job summary

A leading construction firm in California seeks an Administrative Assistant for its Estimating Department. The candidate will support bid processes, prepare documents, and assist daily office operations. Responsibilities include handling subcontract agreements and providing estimating support. Ideal applicants should have one year of administrative experience, be proficient in Microsoft Office, and possess strong communication skills. The firm offers a comprehensive compensation package, career growth opportunities, and a commitment to a diverse workplace.

Qualifications

• One year of experience in an administrative role, preferably in construction.
• Proficient in Microsoft Office and Adobe Acrobat.
• Strong communication skills with all levels of personnel.

Responsibilities

• Prepare and process subcontract agreements and purchase orders.
• Assist estimating team with bid closings and administrative tasks.
• Prepare letters and manage phone calls.

Skills

Attention to detail

Organizational skills

Verbal communication

Written communication

Proficient in Microsoft Office

Job description

Build your career at DeSilva Gates Construction, where your work behind the scenes helps move major infrastructure projects forward. We are seeking a detail-oriented Administrative Assistant in the Estimating Department who thrives in a fast-paced environment and takes pride in supporting the estimating team, organizing contract documentation and helping ensure compliance processes run smoothly. In this role, you will be essential in the bid process, prepare subcontract documents and support daily office operations - playing an important part in projects that help build our communities.

Responsibilities

Contract & Subcontract Administration

• Prepare and process subcontract agreements, purchase orders and hauler agreements
• Compare and execute subcontracts
• File preliminary notices
• Order insurance for new and existing projects

Estimating Support

• Assist the estimating team with bid closings
• Assist estimators with various administrative and project-related tasks
• Order plans and specifications through various agencies
• Perform other assigned tasks and duties as directed by Manager & Chief Estimator

Administrative & Office Support

• Prepare letters as needed (including Union letters, bid proposal letters and Notice of Intent letters)
• Answer and direct phone calls
• Deliver inner-office mail

Compliance & Good Faith Efforts (GFE)

• Post ads for minority requirements (Goof Faith Efforts)
• Send solicitations to subcontractors and vendors
• Make follow-up phone calls and send emails/faxes
• Assemble and submit required documentation packages to agencies

Requirements

• One year of experience in an administrative role or office setting, preferably in the construction industry.
• Proficient in computer programs, such as Microsoft Office and Acrobat Adobe. Ability to learn new programs if needed.
• Strong verbal and written communication skills. Able to communicate with internal and external personnel of all levels.

Who Are We Looking For?

• Detail oriented and highly organized
• Able to prioritize tasks, multi-task and work effectively under pressure
• Works well both independently and in a team environment
• Dependable with a timely mindset
• Maintains a positive attitude, remains flexible as priorities change and demonstrates strong critical‑thinking skills

Additional Requirements

• Required to pass pre‑employment drug and alcohol screening

Benefits

Total compensation package includes the following:

• Pay (base salary) from $62,500/year (depending on qualifications)
• Profit sharing - cash and deferred
• Comprehensive coverage - health, dental, vision (Competitive premiums with participation in yearly wellness program)
• Insurance - life and disability
• Paid time off and Paid holidays
• 401k plan
• Financial planning assistance
• Career growth and development

DeSilva Gates Construction is a place to build a strong, growth‑focused career supported by mentorship from industry leaders. We deliver heavy civil construction projects with integrity, professionalism, and a commitment to excellence—while helping our employees advance and succeed.

Founded in 1932, we are an award‑winning contractor specializing in grading, paving, and construction management. Our culture is rooted in safety, respect, teamwork, and clear communication, with a family‑oriented, client‑focused approach grounded in honesty and accountability.

We're looking for self‑motivated, ethical professionals who take ownership, build strong relationships, and thrive both independently and in teams. With a wide range of public and private projects, you'll have opportunities to grow and take on meaningful challenges.

DeSilva Gates Construction is committed to a diverse and inclusive workplace and is proud to be an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

For more information about DeSilva Gates Construction please visit our web site at www.desilvagates.com.