Platform Job Post

Turn/River • San Francisco, CA

7d • Hybrid

About The Position

Turn/River Capital is seeking a Senior Executive Assistant to join their high-performing, fast-paced team. This role is ideal for an experienced administrative professional (9+ years) who excels in complex support, thrives in dynamic environments, and brings a polished, confident presence to a team of seasoned leaders. In this position, you will provide direct support to the COO, General Counsel, and CFO, ensuring seamless daily operations across demanding schedules, high-stakes meetings, and shifting priorities. The COO oversees a broad cross-functional scope across areas including Investor Relations, Marketing, Internal IT & Cybersecurity, and Office & Administration, making this a uniquely dynamic partnership role with visibility across the firm. You will operate as a trusted, steady partner to leadership—someone who anticipates needs, solves problems before they surface, and helps create the space for executives to stay focused on the highest-impact work.

Requirements

• 9+ years of relevant administrative experience, supporting senior leaders
• Proficiency in Google Workspace, Slack, AI tools (eg., Claude Co-work) Zoom and expense reporting tools
• Exceptionally organized with strong time-management, task-tracking, and follow-through.
• Clear, confident communicator—professional, diplomatic, and comfortable engaging with senior executives.
• Intellectually curious and proactive; eager to learn the business, build context, and ask thoughtful questions.
• Calm under pressure; able to navigate shifting demands with poise and focus.
• A collaborative team member who values partnership, reliability, and operational excellence.
• Committed to discretion, integrity, and professionalism in handling confidential information.
• Bachelor’s degree

Responsibilities

• Provide proactive, senior-level administrative support to 3 Executives, managing schedules, meetings, priorities, and ad-hoc projects.
• Own and orchestrate complex, shifting calendars, including cross-time-zone coordination and last-minute changes with speed and precision.
• Prepare and submit accurate expense reports; maintain organized documentation, tracking, and reconciliation.
• Provide scheduling context, timely reminders, and meeting prep support—flagging conflicts, anticipating needs, and ensuring readiness.
• Draft and manage professional correspondence, deck materials, and meeting assets with clarity, accuracy, and polish.
• Track tasks, deadlines, and follow-ups across executives to drive operational alignment and maintain momentum.
• Help executives maintain focus by proactively managing context-switching, prioritization, and competing demands across multiple functions and stakeholders.
• Build strong working relationships across teams and functions, developing a deep understanding of the business and how the organization operates.
• Handle highly sensitive information with discretion, sound judgment, and the utmost integrity.
• Serve as a trusted partner—anticipating challenges, staying steps ahead, and proactively resolving issues.
• Collaborate with fellow Executive Assistants and step in when support is needed, contributing to a strong, cohesive admin team.

Benefits

• An opportunity to make an impact across multiple high-growth tech firms
• Competitive salary and discretionary bonus
• Medical, dental, and vision insurance covered 100% for employee & dependents
• Flexible vacation policy
• 401K matching
• Paid parental leave
• Commuter benefits
• Health and Wellness benefits
• Household Services benefits
• Home Office benefits
• Annual Home Office Equipment Reimbursement
• Donation matching
• Work from home Monday & Friday
• Energetic work environment with snacks and weekly team lunches 3x per week, centrally located near multiple public transit lines
• A company that enjoys having fun: holiday parties, annual company offsite and retreat, annual summer "work from anywhere" month

What This Job Offers

• Job Type: Full-time
• Career Level: Senior