Office Manager

Consertus is a global capital program management and advisory firm that combines deep human expertise with advanced digital tools to deliver smarter, faster, and more sustainable outcomes. Headquartered in Miami, Florida, and supported by a team of more than 1,000 professionals worldwide, we help clients plan, execute, and optimize large-scale capital programs. Our integrated services span digital, advisory, and delivery, empowering organizations to navigate complexity, manage risk, and achieve strategic goals in sectors including aviation, transportation, transit, water, healthcare, energy, education, government, commercial, life sciences, and technology.

At Consertus, we celebrate individual strengths, foster strong relationships, and promote flexibility in how and where we work. Join us to grow your career, develop your skills, and make a lasting impact as we transform how the world is built. Discover how Consertus is driving transformative change for our clients, our people, and the communities we serve at

Consertus is seeking an experienced Office Manager with at least 15 years of experience to support our project office serving LA Metro in Downtown Los Angeles. This role will manage daily office operations, supervise administrative support staff, coordinate employee onboarding, and provide executive and meeting support. The ideal candidate is highly organized, professional, service-oriented, and able to maintain an efficient office environment while adapting administrative processes to support project growth.

• Manage the daily administrative and operational functions of the Downtown Los Angeles project office.
• Maintain an organized, professional, efficient, and welcoming office environment for employees, clients, visitors, and project partners.
• Coordinate office supplies, equipment, mail, deliveries, facilities requests, workspace assignments, building access, maintenance needs, and general office logistics.
• Serve as the primary point of contact for routine office questions, service requests, vendors, and workplace concerns.
• Develop and maintain office procedures, administrative forms, shared resources, employee directories, seating plans, and contact lists.

• Provide day-to-day supervision, training, work assignments, and support to administrative and office-support personnel.
• Monitor administrative workflows and help ensure consistent, timely, and professional support across the project office.
• Coordinate the administrative components of employee onboarding and offboarding, including work spaces, equipment requests, building access, orientation schedules and introductory meetings.
• Maintain onboarding and offboarding checklists and coordinate requirements with Human Resources, Information Technology, project leadership, and other internal teams.

• Provide administrative support to project executives, directors, and other members of the leadership team.
• Coordinate calendars, conference rooms, virtual meetings, leadership meetings, client meetings, and office events.
• Prepare agendas, presentation materials, attendance lists, correspondence, reports, and other meeting documents.
• Record and distribute meeting minutes, decisions, and action items when requested, and follow up on outstanding administrative items.
• Coordinate visitor arrangements, local travel, team activities, and other routine office or leadership support needs.

• Anticipate office space, equipment, administrative coverage, and onboarding needs as project staffing increases.
• Adjust routine office procedures and administrative resources to support a growing and evolving project team.
• Identify practical process improvements that strengthen organization, communication, responsiveness, and office efficiency.
• Provide backup administrative coverage and perform other office-management duties as assigned.

• At least 15 years of progressively responsible office management, administrative operations, executive support, or closely related experience.
• Experience supervising, training, and coordinating administrative or office-support personnel.
• Experience coordinating employee onboarding, workspace preparation, office access, equipment requests, and related logistics.
• Experience providing administrative and meeting support to executives, directors, program managers, or other senior leaders.
• Advanced organizational and time-management skills, with the ability to manage multiple priorities and deadlines.
• Strong written and verbal communication skills and the ability to interact professionally with employees, executives, clients, vendors, and visitors.
• Proficiency with Microsoft Outlook, Word, Excel, PowerPoint, Teams, and other Microsoft 365 applications.
• Ability to work onsite in Downtown Los Angeles five days per week.

• Experience supporting an engineering, construction,…