Office Administrator

Job Description

Office Administrator

ElevenHundred+ is seeking an Office Administrator to lead the day-to-day operations of our New York office, including facilities, vendors, office services, office expansion projects, administrative staff management, onboarding and internal events.

ElevenHundred+ is a management services organization that provides business, administrative and operational support services to Massumi + Consoli, a nationwide law firm. Massumi + Consoli was founded in 2015 as a spin-out from the Private Equity and M&A Group of Kirkland & Ellis, and the firm’s approach combines the proficiency of the best large international law firms with a highly personalized experience. ElevenHundred+ is a separate entity from the law firm, does not provide legal services and employs the business professionals who support Massumi + Consoli’s attorneys and firm leadership.

The Office Administrator is responsible for the day-to-day management of the New York office, serving as the primary local contact for office operations, facilities, vendors and workplace services. The Office Administrator will work closely with firm leadership and centralized Administration, Finance, HR and IT teams to ensure a professional, efficient and well-run office.

The ideal candidate is highly organized, service-oriented and hands-on, takes pride in a well-run office, and can balance day-to-day requests with longer-term projects with minimal supervision.

Responsibilities

Office Operations & Facilities

• Serve as the primary contact for building management, handling maintenance, HVAC, cleaning and access requests, including keys, access cards and after-hours access.
• Manage incoming and outgoing mail, packages, couriers and messenger deliveries.
• Serve as the first point of contact for printer, Wi-Fi, phone and conference room AV issues, escalating to IT as needed.
• Supervise any local administrative and office services staff, managing priorities and coverage.
• Identify recurring operational gaps and implement practical improvements to office workflows and service delivery.
• Serve as floor fire warden and maintain emergency procedures.

Space Planning

• Manage office moves, expansions and build-outs with building management, contractors and IT.
• Oversee office assignments; maintain and update seating charts and floor plans.
• Track furniture and equipment inventory and handle ergonomic requests.

Vendor Management, Supplies & Budget

• Source and manage office vendors; obtain quotes, collect certificates of insurance and track contracts and renewal dates.
• Order office supplies and pantry items, including drinks and snacks, and maintain inventory levels.
• Develop and manage the local office operating budget with Finance, monitor spending and variances and recommend resource needs and cost efficiencies; review and code vendor invoices and reconcile office spend in Ramp.

Onboarding & Offboarding

• Oversee the pre-arrival process for new hires, including office and workstation assignments, building access, equipment delivery and setup with IT and central Administration to ensure each new hire is ready on their first day.
• Coordinate onboarding and departure logistics, including first-day office orientation, welcome lunches and equipment returns.

Culture & Events

• Lead the planning and execution of internal events such as happy hours, holiday parties and summer events, fostering a strong office culture.
• Order office lunches, food for client meetings and catering for internal events, and schedule and set up conference rooms.
• Organize and oversee client events hosted in New York, from planning and vendor coordination through day-of execution.

Workplace Compliance

• Maintain required workplace postings, distribute notices, collect acknowledgments and track required training in coordination with Administration.
• Serve as the local point of contact for routine employee questions.
• Lead or support other Administration initiatives and special projects as business needs evolve.

Qualifications

• Bachelor’s degree preferred.
• At least seven years of relevant experience in office administration or office management, preferably within a leading law firm or similarly sophisticated professional-services environment.
• Experience supervising administrative staff, managing vendors and office budgets, and independently resolving operational and service issues.
• Excellent judgment and discretion, with the ability to build trusted relationships with partners, attorneys and senior leaders.
• Strong project-management and organizational skills, with the ability to manage multiple priorities and drive initiatives through completion.
• Excellent written and verbal communication skills.

Location and Working Schedule : New York. In-office attendance Monday through Friday is required.

Position Type : Exempt

Compensation and Benefits : The anticipated base salary range for this position is $140,000–$185,000. Actual compensation will be determined based on factors including experience, qualifications, geographic market and internal equity. ElevenHundred+ offers a comprehensive benefits package, including medical, dental and vision coverage, retirement benefits, paid time off and other employee benefits.

Equal Employment Opportunity : ElevenHundred+ is an equal opportunity employer and considers qualified applicants without regard to race, color, creed, religion, sex (including pregnancy, childbirth and related medical conditions), national origin, ancestry, citizenship status, age, physical or mental disability, medical condition, genetic information, marital status, caregiver status, military or veteran status, sexual orientation, gender identity or expression, reproductive health decision-making, height, weight or any other characteristic protected by applicable federal, state or local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable fair chance laws.