Administrative Assistant

Harder Mechanical Contractors
Sunnyvale, CA, US
Posted Apr 29, 2026

Harder Mechanical is one of the nation’s largest mechanical contractors with an outstanding reputation for working safely, meeting tough schedules, and delivering quality projects. Based in Portland Oregon, we work primarily in the 11\-western states with regional offices in Reno, NV; Phoenix, AZ; Richmond, CA; Los Angeles, CA; and Salt Lake City, UT.

As an Administrative Assistant, you will be working with our project team on administrative tasks at a high tech construction project site in Sunnyvale, CA. In this role, you will be responsible for supporting the job site team in all office duties and miscellaneous tasks. The successful candidate will demonstrate a high attention to detail, ability to multitask, and experience working within a team environment. *This position is not eligible for remote work.*

Successful projects do not complete themselves. Our team of curious and passionate people build on Harder's reputation every day through their actions. We offer professional development opportunities, industry\-leading benefits, and the chance to work on projects that will change the built environment forever. Find out more at www.harder.com.

Admins at Harder perform the following daily tasks:

  • Supports the construction team on\-site with data entry, and completing tasks critical to business success
  • Assists with the uploading, printing, and electronic filing of construction drawings
  • Schedules and coordinates meetings, appointments and maintains calendars
  • Prepares and distributes daily/weekly communications including reports, invoices, transmittals, and various other documents
  • Supports key processes such as timecard submissions, scheduling transfers and new hires into safety training etc.
  • Communicates clearly and effectively with internal and external stakeholders and corporate headquarter personnel
  • Maintains filing systems (electronic and physical) with a focus on document control
  • Supports the field with material purchases and PO tracking
  • Reports to the Site Manager, or as designated
  • What you will need to be successful in this role:

  • Computer skills, proficient with MS Office Word and Excel, including an eagerness to learn software which is proprietary to Harder
  • Strong organizational skills
  • Excellent verbal and written communication skills, able to communicate clearly and well to internal and external business partners
  • Ability to effectively interact with the construction industry personnel and home office staff members
  • Experience organizing, maintaining, and logging documents
  • Ability to maintain confidentiality
  • Experience reading construction drawings a plus, but not required
  • Previous successful experience in a construction office environment
  • Experience with data entry
  • Team mentality
  • Education/Experience

  • 2\-3 years in an administrative role
  • Previous experience in construction preferred
  • Benefits

  • Competitive salary
  • Comprehensive medical, dental, and vision benefits – 100% of employee premiums are paid by the company
  • Generous retirement package includes: 10% retirement contribution made by the company and a company match up to 2% of your annual salary
  • Profit sharing
  • Discretionary annual bonus
  • Paid vacation and holidays
  • Harder University training and development, as well as other paid professional development opportunities
  • Team environment that promotes individual growth

HMC reserves the right to perform a drug screening and background check, as may be required, and this offer may be contingent on passing a drug screening and background check.

This position is hourly, compensation $28\-$30 based on experience.

*No recruiters. No phone calls, please.*

About Harder

Harder Mechanical Contractors is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, genetic information, veteran status, or any other characteristic protected by federal, state or local nondiscrimination laws. Our hiring policy reflects and affirms Harder’s commitment to the principles of fair employment. Harder does not discriminate regarding the terms and conditions of employment based on any characteristic protected by federal, state or local nondiscrimination laws.

It is Harder’s policy to maintain a drug and alcohol\-free work environment. Employment offers are conditional upon successfully passing a drug and alcohol test, background checks, reference checks, and as required by law, regardless of citizenship or national origin, documented proof of authorization to work in the United States.

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Job Details

Job Type

admin_data_entry

How to Apply

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  1. Click the "Apply Now" button or visit the company website
  2. Review the job requirements carefully
  3. Follow the application instructions on the company's website
  4. Ensure your resume highlights relevant experience

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Original job posting from: Indeed_linkedin

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