Senior Administrative Assistant

United States, California, San Jose Oct 01, 2026 Salary: $31.30 - $41.50/Hr Job type: Full Time Resume required: Yes Posted date: 2026-09-30 Full job description: Whether you're a recent grad or a seasoned professional, you can experience meaningful career growth at Rosendin. Enjoy a true sense of ownership as you work with a proven industry leader on some of the most exciting and high-profile projects in the nation. We offer a wide range of job opportunities, competitive compensation, full benefits, an Employee Stock Ownership Plan and more. WHY ROSENDIN? Committed. Innovative. Engaged. If you're looking to take your career to the next level and work with some of the best and brightest in the industry, we want to hear from you. Since our founding over 100+ years ago, Rosendin has been driven to positively impact the communities where we live and work. We are an organization built on integrity, and we have a culture that empowers people, embraces diversity, and inspires everyone to do their best. As one of the largest EMPLOYEE-OWNED electrical contractors in the United States, you will have the unique benefit of being a shareholder at a company that is experiencing tremendous growth and success. When our people succeed and fuel our success, we reward them. We'd love to have you as a shareholder! YOUR NEXT OPPORTUNITY As a Senior Administrative Assistant, Operations, you will be a trusted partner to multiple Operational Managers and leadership team members across our Western operations. This role is essential for ensuring efficient business operations and seamless workplace execution, directly supporting our teams who deliver complex electrical infrastructure projects. Your high-level administrative, operational, office, facilities, event, and vendor coordination support enable our employee-owners to succeed. WHAT YOU'LL DO Manage complex calendars, scheduling meetings, and coordinating conference registrations for multiple operational leaders. Arrange detailed travel plans, prepare expense reports, and process confidential information with discretion. Serve as a primary point of contact for leadership communications, routing inquiries and coordinating follow-up on action items. Plan, organize, and execute a range of regional events, including cascade meetings, holiday parties, galas, summer picnics, intern events, and awards dinners, managing all logistics, budgets, communications, and registrations. Oversee comprehensive office administration, including managing shipping, mail distribution, postage systems, office and kitchen supplies, business cards, badges, seating charts, furniture requests, and onboarding support. Coordinate facilities maintenance and repairs, managing vendor relationships for services such as janitorial, HVAC, plumbing, pest control, landscaping, fire/life safety systems, locks, roof repairs, printers, elevators, coffee service, water filtration, EV chargers, lighting, and phone systems. Generate purchase orders, approve invoices, process expense reports, and maintain organized financial and operational records. Support project‑related administrative tasks, including managing Salesforce project numbers, generating reports, assisting with presentations, spreadsheets, and various special projects as assigned. WHAT YOU'LL NEED TO BE SUCCESSFUL Advanced proficiency with Microsoft Office Suite, including Outlook, Word, Excel, PowerPoint, Teams, and SharePoint. Exceptional organizational skills with the ability to manage multiple priorities and complex tasks simultaneously. Demonstrated ability to communicate clearly and professionally, both verbally and in writing, with all levels of staff and external partners. Proven discretion and ability to handle confidential information with integrity. Strong event planning, coordination, and budget management capabilities. Expertise in vendor coordination and relationship management. WHAT YOU BRING TO US High School Diploma or Trade School certificate. A minimum of 5 years of progressive experience in administrative support, office management, or operations support roles, preferably within the construction or related industries. Demonstrated advanced competency in specialized administrative and operational tasks. Associate's degree (2 year) in Business Administration or a related field, or equivalent experience, is preferred. WORKING CONDITIONS Work will be performed in a professional office environment, requiring prolonged periods of sitting and computer use. Regularly required to talk, hear, stand, walk, and reach with hands and arms. Occasionally required to lift and move up to 10 pounds. The position operates in a professional office environment and may encounter moderate noise levels from office equipment. This role requires the ability to work effectively in a collaborative team environment and occasionally manage event setup/takedown. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. This job description is not a contract, and the company reserves the right to change or revise the job duties and responsibilities at any time. Rosendin is an equal opportunity employer. YOU MATTER - OUR BENEFITS YOU Matter - Our Benefits *ESOP - Employee Stock Ownership *401 K *Annual bonus program based upon performance, profitability, and achievement *17 PTO days per year plus 10 paid holidays *3 days of paid sick leave each year *3 days of paid Bereavement leave each year *3 days of paid Jury Duty *Medical, Dental, Vision Insurance *Bonding Leave *Term Life, AD&D Insurance, and Voluntary Life Insurance *Disability Income Protection Insurance *Pre-tax Flexible Spending Plans (Health and Dependent Care) *Charitable Giving Match with our Rosendin Foundation Pay Range $31.30-$41.50 Hourly The pay range for this role is what we expect to pay for candidates that meet the specified qualifications and requirements listed on this job description. Candidate's pay can vary based on location, job-related experience, skills, and education. Our success is rooted in our people. We all come together around long-term vision and a sense of shared ownership. As a group, we do whatever it takes to ensure the success of our business and your career. Rosendin is committed to creating a diverse environment and is proud to be an Equal Opportunity Employer. Employment decisions are considered regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, pregnancy, age (over 40), or any other categories protected by applicable federal, state, or local law. Job reference: JR106357 #J-18808-Ljbffr