Hybrid Senior Executive Assistant for 5 Executives

Cornerstone Research; New York (NY); Hybrid; USD 79,000 - 103,000; Full time

Benefits offered by this job

Health & Wellness benefits

Retirement savings plans

Hybrid work model

Generous paid time off

Fertility treatments coverage

Parental leave

Back-up childcare

Eldercare services

Job summary

Cornerstone Research is seeking a Senior Executive Assistant to provide high‑level administrative support to 5+ local executives in New York. The role emphasizes confidentiality, proactive problem‑solving, and strong client service, with a hybrid in‑office requirement three days per week.

You will manage calendars, travel, expense reports, billing narratives, and engagement letters, while mentoring junior staff and coordinating special projects to drive efficiency and executive success.

Qualifications

• 3+ years of directly related experience; professional services experience preferred.
• Paralegal experience is a plus.
• Desire to take initiative and actively contribute to the team.
• Ability to communicate effectively and professionally.
• Strong business acumen and ability to learn the firm's functions.
• Mindset to provide superior service.
• Proficient in MS Office and able to handle confidential information.
• Flexible and able to work under deadlines; commute to NYC office (hybrid 3 days/wk).
• High School Diploma or equivalent combination of education, training and experience.

Responsibilities

• Assist with monthly billing duties for executives, including proofreading and editing billing narratives and tracking accounts receivable.
• Manage executives' calendars, travel arrangements, and expense reports.
• Coordinate promotional materials for business development.
• Coordinate internal or client meetings and special events.
• Assist with conflict checks, engagement letters, and correspondence files.
• Create and maintain administrative structure for each project.
• Compose and process routing correspondence; proofread all materials.
• Review work of junior staff and lead administrative staff training sessions.

Skills

Excellent communication skills

Calendar management

Team collaboration

Attention to detail

Discretion and confidentiality

Problem solving

Education

High School Diploma

Paralegal experience (plus)

Tools

Microsoft Office Suite

Excel

Outlook

PowerPoint

Word

Job description

Cornerstone Research is seeking a Senior Executive Assistant to provide high‑level administrative support to 5+ local executives in New York. The role emphasizes confidentiality, proactive problem‑solving, and strong client service, with a hybrid in‑office requirement three days per week.

You will manage calendars, travel, expense reports, billing narratives, and engagement letters, while mentoring junior staff and coordinating special projects to drive efficiency and executive success.