Administrative Assistant; On-Site – La Jolla

Administrative Assistant (On-Site – La Jolla)

Location:

La Jolla, San Diego, CA (Strictly In-Office)

Job Type: Full-Time, Permanent

Schedule:

Monday – Friday, 8:00 AM to 5:00 PM PST

Compensation: $26 to $28 hourly rate based on experience

About Plumb

At Plumb, we focus on the numbers so our clients can focus on growing their business, helping them save time, gain clarity, and remain in control. We provide premier accounting, back-office financial operations, and transactional bill pay services to corporate entities and high-net-worth families nationwide. We are actively building a tech-forward team, hiring detail-driven professionals who take clear personal pride in creating seamless order, optimizing workflows, and making the work spaces around them run perfectly.

We are looking for a dependable, proactive, and highly organized Administrative Assistant to serve as the critical hub of our La Jolla office. In this role, you will manage front-office operations, oversee secure mail/deposit routing, and provide vital calendar and administrative scheduling support to our executive and operations teams.

This role is tailored for a meticulous coordinator who values absolute precision, thrives when managing shifting daily priorities, and takes ownership of their space.

• Front Office Hub: Act as the first point of contact for staff, executives, and guests, keeping the local office client-ready, fully stocked, and running smoothly.
• Discretionary Processing: Manage incoming and outgoing mail streams daily; guarantee that high-priority checks, documentation records, and deposits are routed and logged within 24 hours with total confidentiality.
• Executive Coordination: Support calendar management, scheduling, meeting preparations, and travel arrangements for corporate leadership.
• Data & Log Administration: Maintain neat internal tracking databases, coordinate scanning/shipping pipelines, and continually update written step-by-step process sheets to support flawless office continuity.

• 3+ years of administrative experience in a professional setting.
• Exceptional organizational skills and attention to detail.
• Clear, polished communication in both written and verbal form.
• Strong time management and ability to handle multiple priorities.
• Proficient in Microsoft Office 365 (Word, Excel, PowerPoint, Teams, Outlook).
• Dependable, proactive, and solution-oriented with a commitment to strict confidentiality.

Why Join the Plumb Team?

We offer a corporate environment where efficiency meets execution, completely pulling back administrative clutter every day. We structure roles to be "replaceable by design"—meaning we give you clear daily parameters, structured training, and the operational freedom to fully document and master your desk, creating an organized, low-friction framework optimized for professional reliability and long-term stability.