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Senior Executive Assistant

Remote / Online - Candidates ideally in
Menlo Park, San Mateo County, California, 94029, USA
Listing for: pacb.com
Full Time, Remote/Work from Home position
Listed on 2026-01-13
Job specializations:
  • Business
    Office Administrator/ Coordinator, Business Administration, Administrative Management
  • Administrative/Clerical
    Virtual Assistant/ Remote Admin, Office Administrator/ Coordinator, Business Administration, Administrative Management
Salary/Wage Range or Industry Benchmark: 150000 - 200000 USD Yearly USD 150000.00 200000.00 YEAR
Job Description & How to Apply Below
Senior Executive Assistant page is loaded## Senior Executive Assistant locations:
US - California - Menlo Parktime type:
Full time posted on:
Posted Yesterday job requisition :
JR100790

Senior Executive Assistant to the COO Position Summary The Senior Executive Assistant provides high-level, strategic administrative support to the Chief Operating Officer (COO) and plays a critical role in supporting the broader Research & Development (R&D) and Operations organizations. This position is essential to optimizing executive effectiveness, managing complex priorities, and ensuring seamless coordination across senior leadership, cross-functional teams, and external stakeholders.

The ideal candidate is proactive, highly organized, discreet, and thrives in a fast-paced, dynamic environment.

Key Responsibilities
* Provide comprehensive executive administrative support to the COO, enabling focus on strategic priorities and operational excellence
* Support the broader R&D and Operations leadership teams through coordination, scheduling, and administrative partnership as needed
* Optimize executive workflows and proactively streamline schedules for maximum efficiency and impact
* Manage highly dynamic calendars, serving as a trusted gatekeeper while balancing business priorities, sensitive matters, and urgent requests
* Anticipate executive needs and proactively resolve scheduling conflicts and last-minute changes with professionalism and discretion
* Prepare, coordinate, and support internal and external meetings, ensuring leaders are well-prepared and debriefed to maximize effectiveness
* Partner closely with senior leaders and cross-functional stakeholders across R&D and Operations to facilitate communication and alignment
* Plan and manage complex travel arrangements (domestic and international; commercial and private) and manage expense reporting
* Maintain a strong understanding of business context, operational priorities, and R&D initiatives to provide informed, strategic support
* Serve as a trusted liaison on behalf of the COO and leadership team, cultivating strong relationships across the organization
* Collaborate with the broader Executive Assistant team on special projects, strategic initiatives, and coverage as needed
* Assist with planning and execution of team and/or company events, executive offsites, and leadership retreats
* Handle highly confidential information with the utmost discretion and integrity

Required Qualifications
* 5+ years of experience supporting C-level or senior executives, preferably within technology, manufacturing, or life sciences industries
* Exceptional time management, organizational, and prioritization skills
* Strong interpersonal skills with the ability to build trust and credibility at all levels, including senior leadership and cross-functional partners
* Excellent verbal and written communication skills
* Proven ability to manage multiple priorities and projects simultaneously in a fast-paced environment
* Demonstrated problem-solving skills and sound judgment, with the ability to escalate issues appropriately
* High attention to detail and commitment to accuracy
* Ability to work independently with minimal supervision while remaining highly responsive; works with urgency
* Resilient, adaptable, and willing to step in where needed to support team and business needs
* Experience with expense management, complex travel coordination, and presentation development
* Demonstrated track record of professional success and a positive, can-do attitude

Preferred Experience
* Bachelor’s degree or equivalent experience, preferred
* Experience supporting complex organizations such as R&D, Operations, Engineering, or Manufacturing, preferred
* Prior experience working with senior leadership teams and cross-functional stakeholders, strongly preferred

Candidates must have current authorization to work in the United States without the need for present or future sponsorship.

Non-Field Based Employees are required to be onsite Monday-Thursday (Friday work from home). Depending on the role, some employees may be required to be 100% onsite.

You may be required from time to time to visit and work at Pac Bio locations and for such times as the Company considers necessary for the proper performance of your duties.

All listed tasks and responsibilities are deemed as essential functions to this position; however, business conditions may require reasonable accommodations for additional tasks and responsibilities.

All qualified applicants will receive consideration for employment without regard to race, sex, color, religion, national origin, protected veteran status, or on the basis of disability, gender identity, and sexual orientation.#LI-Onsite
* Salary Range:*$ - $To all Staffing and Recruiting Agencies:
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Position Requirements
10+ Years work experience
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