Executive Assistant, Sales & Agent Development

Sierra · New York, NY · $130K – $170K · Sales & BD

Posted 2026-10-28

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WHAT YOU'LL DO

- Serve as a trusted partner to several customer-facing leaders across Sierra’s Sales and Agent Development organization, providing comprehensive, high-touch executive support.

- Proactively manage complex calendars, meetings, travel, and expenses across multiple leaders, balancing internal priorities with customer commitments.

- Coordinate customer meetings, executive briefings, and external engagements, ensuring each interaction is thoughtfully prepared and executed.

- Anticipate scheduling conflicts, changing needs, and competing priorities, resolving issues independently and keeping commitments moving forward.

- Coordinate domestic and international travel, with careful attention to itineraries, accommodations, agendas, logistics, and preparation.

- Partner with leaders and their teams to make meetings effective by preparing materials, developing agendas, tracking action items, and coordinating follow-ups.

- Collaborate closely with Executive Assistants and cross-functional partners across Sierra to coordinate priorities and ensure alignment across the organization.

- Build strong working relationships with teams across product, engineering, operations, and other functions.

- Support recruiting coordination, team operations, and other administrative needs as the organization grows.

- Plan and execute team events, including leadership meetings, off-sites, hackathons, and team travel.

- Establish and continuously improve administrative systems and processes that support multiple leaders and a rapidly scaling organization.

- Handle sensitive information, technical roadmaps, personnel matters, and strategic communications with confidentiality and discretion.

WHAT YOU'LL BRING

- 5+ years of Executive Assistant or similar strategic support experience.

- Demonstrated ability to support multiple customer-facing senior leaders simultaneously while adapting to different communication styles, priorities, and working preferences.

- Experience supporting technical, product, or engineering leaders in a fast-paced environment.

- Strong customer orientation and the ability to interact with customers and external stakeholders with professionalism, responsiveness, and sound judgment.

- Exceptional attention to detail and a proactive mindset, with a commitment to creating polished and seamless experiences for leaders, customers, and internal partners.

- Excellent organizational and time-management skills, with the ability to shift priorities quickly while remaining accurate and proactive.

- Proven ability to operate independently, anticipate needs, and make sound judgment calls on behalf of leadership.

- Strong relationship-building skills and the ability to partner effectively with cross-functional teams and external stakeholders.

- High integrity and discretion when handling confidential or sensitive information.

- Advanced proficiency with Google Workspace and Slack, along with the ability to learn new tools quickly.

- Willingness and ability to work on-site in San Francisco four days per week.

EVEN BETTER...

- Experience in a fast-growing, in-person start-up environment.

- Experience working with C-suite executives.

- Experience working within a dual, floating, or team-based Executive Assistant structure.

- Experience managing complex travel, executive events, and high-touch on-site logistics.

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