Senior Office Manager, NYC - Culture & Operations

ERM; Manhattan (FL); On-site; USD 73,000 - 93,000; Full time

Benefits offered by this job

Paid time off

Parental leave

Medical insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

401(k)

Job summary

ERM is seeking an experienced Office Manager to lead day-to-day operations for our New York office (150+ staff) in support of the Great Lakes Northeast Business Unit. This hands-on role combines administrative leadership with employee engagement, facilities oversight, and cross-functional collaboration in a global sustainability consultancy.

You will partner with Area Manager, Partners, vendors, and internal teams to drive high-quality support, maintain a welcoming workplace, and ensure

Qualifications

• 4+ years of administrative or project-management experience in professional services.
• Excellent written and verbal communication.
• Strong coordination of multiple projects in deadline-driven environments.
• Proficient with MS Office and Salesforce.

Responsibilities

• Provide operational and administrative support for office space, vendor, and moves.
• Review reports, summarize information, and identify trends for management.
• Manage office access, security, mail, and shipments.
• Support timesheets (BST Enterprise) and travel expenses.
• Oversee meetings, events, and office communications.
• Onboard new hires and serve as office point of contact.
• Ensure document editing and formatting using ERM templates.

Skills

Administrative experience

Project management

Financial experience

Communication skills

MS Office

Salesforce

Time management

Team player

Tools

Salesforce

Job description

ERM is seeking an experienced Office Manager to lead day-to-day operations for our New York office (150+ staff) in support of the Great Lakes Northeast Business Unit. This hands-on role combines administrative leadership with employee engagement, facilities oversight, and cross-functional collaboration in a global sustainability consultancy.

You will partner with Area Manager, Partners, vendors, and internal teams to drive high-quality support, maintain a welcoming workplace, and ensure