Senior Administrative Assistant

Experian•Costa Mesa, CA

2d•Onsite

About The Position

Experian is seeking a Senior Administrative Assistant to provide comprehensive support to three Engineering VP/SVPs and their leadership team. This role goes beyond traditional administrative tasks, focusing on guiding execution, understanding, and the daily operating rhythm to enhance the impact of senior leaders. The position is based onsite in Costa Mesa, CA, and reports to the VP of FinOps.

Requirements

5+ years of administrative support experience to senior executives, supporting multiple leaders simultaneously.
Demonstrated experience coordinating corporate events or employee engagement programs across regions, time zones, and cultures.
Advanced proficiency in Microsoft Office Suite, with expertise in calendar management, meeting coordination, and email prioritization.
Experience managing complex, high-volume executive calendars across multiple time zones.
Hands-on experience coordinating complex domestic and international travel, with the judgment to adapt plans in real-time.
Experience drafting communications on behalf of executives.
Fluency with Teams, SNOW, Jira, Confluence, and major AI platforms.
Must be able to work onsite in Costa Mesa, CA.

Nice To Haves

Experience in engineering, financial services, or a Fortune 500 setting.

Responsibilities

Manage three complex calendars in lockstep, assess inboxes, and draft communications in each leader's voice.
Handle travel arrangements (international and domestic), expenses, vendor coordination, and logistics.
Build the weekly, monthly, and quarterly operating schedule, including staff meetings, skip-levels, QBRs, PI planning, town halls, workshops, and board-adjacent prep sessions.
Take meeting minutes and track action items from meetings when requested.
Organize presentation materials, equipment ordering, and office supplies.
Serve as a trusted communication liaison for executive leadership.
Identify needs and remove friction to improve leadership effectiveness.
Leverage advanced AI fluency and tools (e.g., Claude, ChatGPT, Copilot, Gemini) to compress executive workload and enhance efficiency.
Run leadership offsite events, architectural summits, recognition programs, hackathons, new-hire onboarding rituals, team celebrations, wellness events, and all-hands logistics.
Maintain confidentiality while supporting executive-level priorities.