Sr Executive Administrative Assistant (to CMO)

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Job Description:

The Sr. Executive Assistant (EA) directly reports to the CMO and works closely with the broader Marketing Leadership Team (MLT). This role goes beyond traditional administrative duties, offering the opportunity to help coordinate key strategic marketing initiatives and support high value projects.

The ideal candidate has a pleasant demeanor, strong respect for confidentiality, a collaborative spirit, and a customer-service oriented attitude. Essential skills include excellent project management competencies, strong verbal communications and proofreading skills, database and technology savvy, a love of multitasking, and the ability to maintain calm under pressure.

This position is hybrid with 3-4 days per week in our NYC office.

Key Responsibilities

Administrative Management

• Provide high-level administrative support to the CMO, including calendar management, travel coordination, expense reporting, and project coordination

• Ensure the CMO is prepared for all appointments and deadlines with necessary materials and context

• Draft and distribute correspondence, reports, presentations, and other documents—often of a highly sensitive and confidential nature

• Maintain a conflict-free calendar and ensure adequate travel time between meetings

• Serve as a trusted liaison for internal and external stakeholders, including direct communication on behalf of the CMO with Board members and senior leaders

• Demonstrate initiative by identifying and resolving issues before they escalate to the CMO

• Support NYC office facilities needs and maintain Marketing org charts

• Provide travel & expense support.

• Collaborate with other C-suite executive assistants to coordinate on various projects and initiatives

• Ensure executives meet commitments and deadlines by tracking deliverables and following up on action items

Marketing Project Support

• Support and coordinate Marketing-led initiatives and projects as direct by the CMO:

  • Manage project tracking and timelines

  • Provide executive summaries / updates on initiatives (PPT, Excel reporting etc.)

  • Keep CMO apprised on project status and team milestones

• Help plan team-building events and department culture activities

• Support onboarding, mentorship, and employee development initiatives

• Liaise with other departments and committees to accomplish special projects for the CMO

Skills and Knowledge

• Outstanding administrative and project management skills with high attention to accuracy, detail, and organization

• Ability to develop timelines and execute on time

• Sound judgment and discretion in handling confidential matters

• Calm and effective under pressure, with strong problem-solving and analytical abilities

• Exceptional verbal and written communication skills

• Diplomatic and tactful in working with diverse constituencies

• Collaborative mindset with the ability to work independently and make decisions

• Adaptability in a fast-paced, evolving environment

• Proficiency in Microsoft Office 365 (Word, Excel, Teams, PowerPoint, Outlook); Experience in Tools like Workday, Concur, Board portals, Docusign, is a plus

Qualifications

• Minimum 5 years of executive assistant experience supporting a CMO or senior marketing executive

• Experience managing activities on behalf of a C-level leader preferred

• Bachelor’s degree or equivalent education and professional experience

• Minimal travel required

The base salary range represents the estimated low and high end for this position based on a good faith assessment of the role and market data at the time of posting. Consistent with applicable law, each candidate’s compensation offer may vary and will be determined based on but not limited to, your geographic region, skills, qualifications, and experience along with the requirements of the position. This position may be eligible for bonuses, commissions, or overtime if applicable. Benefits include health insurance (medical, dental, vision), a retirement savings plan, paid time off, and other employee benefits. Specific details will be provided during the interview process. Datasite reserves the right to modify this pay range at any time.

Our company is committed to fostering a diverse and inclusive workforce where all individuals are respected and valued. We are an equal opportunity employer and make all employment decisions without regard to race, color, religion, sex, gender identity, sexual orientation, age, national origin, disability, protected veteran status, or any other protected characteristic. We encourage applications from candidates of all backgrounds and are dedicated to building teams that reflect the diversity of our communities.