Senior Administrative Assistant (Administrator)

Administrator (Senior Administrative Assistant) 6-month Contract Berkeley $49.27/hour

We are seeking an experienced Senior Administrative Assistant / Administrator to support a large dynamic division at the world-renowned Lawrence Berkeley National Laboratory. This role provides broad high-level administrative support with a strong emphasis on human resources coordination recruitment support events and meetings and division operations along with calendar and travel management.

This is an excellent opportunity for a proactive detail-driven administrator who enjoys working in a fast-paced mission-driven environment while partnering closely with leadership and cross-functional teams.

• Schedule: Full-time MondayFriday

• Location: 100% onsite in Berkeley - easy shuttle from BART

• Duration: 6 months

• Background Check: Hire contingent on clear criminal background check

Key Responsibilities

• Serve as liaison between HR and division management on routine personnel actions

• Support recruitment efforts including posting roles coordinating interviews scheduling panels and managing candidate logistics

• Assist with onboarding offboarding affiliate and visitor processing

• Help track performance review cycles promotions and related approvals

• Advise supervisors on required documentation and process steps

• Plan and coordinate complex meetings workshops and events including logistics schedules and materials

• Manage approvals budgets and compliance requirements for events and activities

• Prepare presentations agendas and supporting materials

• Proactively track recurring processes deadlines and action items

• Manage calendars independently schedule and prioritize meetings

• Serve as a point of contact for division leadership and respond to a wide range of requests

• Support financial processes including requisitions reporting and coordination with finance partners

• Maintain division documentation websites and internal resources as needed

Qualifications

• Strong experience in a senior administrative executive assistant or administrator role

• Demonstrated experience supporting HR and recruitment processes

• Proven ability to coordinate complex events and meetings

• Excellent organizational skills with the ability to manage competing priorities

• High level of discretion professionalism and attention to detail

• Proficiency with Google Workspace MS Office and administrative tracking tools (Smartsheet or similar a plus)

• Experience supporting large departments scientific technical or research organizations preferred