Senior Exec Assistant to Co-Founder | Hybrid, High-Impact

Career Group; Foster City (CA); Hybrid; USD 96,000 - 103,000; Full time

Job summary

Career Group seeks a polished Senior Executive Assistant to provide high-level executive and personal support to a co-founder in a fast-paced, collaborative environment in Foster City, CA. This 3–6 month hybrid contract requires onsite presence on Monday, Wednesday, and Friday, with remote work on Tuesday and Thursday.

Fridays are dedicated to team collaboration and culture. The role covers calendar management, travel planning, event coordination, and acting as a trusted liaison with leadership,

Qualifications

• Previous experience supporting senior executives or founders in a fast-paced environment.
• Polished, professional presence with strong judgment and emotional intelligence.
• Excellent communication and relationship-building skills.
• Highly organized with ability to prioritize competing demands.
• Resourceful, proactive, and hands-on problem solver.
• Comfortable handling both executive and personal support responsibilities.

Responsibilities

• Provide high-level executive and personal support to a co-founder with discretion and attention to detail.
• Manage complex calendars, meetings, and shifting priorities in a fast-paced environment.
• Plan and execute internal events, meetings, and special projects with thorough detail.
• Coordinate travel and administrative needs, anticipating challenges in advance.
• Represent leadership confidently with executives, staff, clients, and partners.
• Attend meetings to capture action items, track follow-ups, and drive execution.
• Identify opportunities to improve processes with a figure-it-out mindset.
• Preserve a collaborative, boutique culture while supporting a growing organization.

Skills

Executive support

Calendar management

Meeting coordination

Event planning

Communication skills

Discretion

Relationship-building

Job description

Career Group seeks a polished Senior Executive Assistant to provide high-level executive and personal support to a co-founder in a fast-paced, collaborative environment in Foster City, CA. This 3–6 month hybrid contract requires onsite presence on Monday, Wednesday, and Friday, with remote work on Tuesday and Thursday.

Fridays are dedicated to team collaboration and culture. The role covers calendar management, travel planning, event coordination, and acting as a trusted liaison with leadership,