Executive & Office Operations Assistant

Bigelow LLC; Portsmouth (NH); On-site; USD 42,000 - 54,000; Full time

Job summary

Bigelow LLC seeks an Administrative Assistant to support the firm’s operations, finance, HR, technology, marketing, and broker‑dealer compliance functions. This is an on‑site, full‑time role based in Portsmouth, NH, with an emphasis on organization, discretion, and professional client communication.

The ideal candidate has 5+ years in office management or related roles, strong MS Office skills, Salesforce experience, and a proactive, detail‑driven approach to multi‑tasking and collaboration.

Qualifications

• Five+ years of experience in office management, executive assistant, or bookkeeping roles.
• Power user of Microsoft Office; experience with Salesforce and videoconferencing.
• Exceptional organizational skills with strong attention to detail.
• Excellent oral and written communication; professional presence.
• Discretion and judgment handling confidential information.
• Team player with a proactive, problem‑solving attitude.

Responsibilities

• Office & facilities management; front‑desk contacts; organize supplies and filing.
• Executive & travel support; manage travel, itineraries, and calendars.
• HR & marketing support; onboarding/offboarding and marketing collateral.
• Accounts payable & vendors; manage vendor interactions and expenses.
• Broker‑dealer/regulatory support; assist with FINRA/compliance tasks.
• Information technology liaison; coordinate with IT vendors and asset management.

Skills

Office management

MS Office

Salesforce

Communication

Discretion

Team player

Process improvement

Tools

Microsoft Office

Videoconferencing

Job description

Bigelow LLC seeks an Administrative Assistant to support the firm’s operations, finance, HR, technology, marketing, and broker‑dealer compliance functions. This is an on‑site, full‑time role based in Portsmouth, NH, with an emphasis on organization, discretion, and professional client communication.

The ideal candidate has 5+ years in office management or related roles, strong MS Office skills, Salesforce experience, and a proactive, detail‑driven approach to multi‑tasking and collaboration.