Receptionist, Administrative​/Clerical

At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We’re fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we’re building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space.

The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy.

The Operations team supports the day-to-day workplace experience and helps employees, visitors, candidates, vendors, and guests move through the office smoothly and professionally. This role owns the front desk and provides practical support across reception, meetings, supplies, shipping, and general office needs.

We are looking for a friendly, organized, and dependable Receptionist to be the first point of contact for employees, visitors, candidates, and guests at our office. This person will create a welcoming and professional experience for everyone who walks through our doors and help keep the office running smoothly day to day.

The ideal person is proactive, attentive, and comfortable interacting with a wide range of people. You notice the little things, take initiative, and are equally comfortable welcoming an important guest, enforcing a visitor policy, or jumping into an office task that needs to get done.

• Serve as the first point of contact for visitors, candidates, vendors, and guests, including , check-in, badges, and host notifications.

• Maintain attentive front-desk coverage and ensure visitor and access procedures are consistently followed.

• Help maintain a welcoming, organized, and well-stocked office environment, including reception and shared spaces, coffee, snacks, beverages, and common office supplies.

• Coordinate onsite meeting logistics, including conference rooms, catering, guest arrival details, and meeting materials.

• Support basic shipping needs, including creating shipping labels and scheduling pickups.

• Provide administrative and office support between front-desk needs, including printing, shredding, ordering supplies, data entry, and other ad hoc tasks.

• Pitch in wherever needed to help the office operate smoothly while maintaining front-desk coverage.

• High school diploma or equivalent.

• At least one year of experience in reception, administrative support, customer service, hospitality, or another public-facing role.

• Friendly, professional communication with employees, candidates, executives, vendors, and external guests.

• Reliable and punctual, with the ability to provide consistent onsite front-desk coverage in Torrance from 8:00 a.m. to 5:00 p.m., Monday through Friday.

• Strong organization, attention to detail, follow-through, and ability to prioritize interruptions and switch tasks quickly.

• Sound judgment, discretion, and situational awareness, particularly around visitors and facility access.

• Ability to enforce visitor and access policies in a friendly but firm manner.

• Comfort with everyday workplace technology, including email, calendars, spreadsheets, office equipment, shipping systems, and visitor-management tools.

• Experience supporting a busy front desk, reception area, office, hotel, clinic, coworking space, or…