Top Tech Jobs & Startup Jobs in Los Angeles, CA

Supervise document control and administrative activities for environmental consulting projects. Manage site access agreements, track negotiations, maintain activity registers, coordinate document execution and electronic filing, issue work notices, resolve access issues, and interface with property owners, tenants, clients, vendors, legal specialists, and the public. The role also supervises at least two employees and supports project personnel administration.

Serve as the owner's representative and advisor for large public infrastructure and facilities programs. Manage projects from planning and procurement through design, construction, commissioning, occupancy, and closeout. Lead stakeholder coordination, governance, project controls, risk management, budgeting, scheduling, procurement support, change management, and multidisciplinary teams. Ensure compliance with public agency requirements while supporting client decisions, team development, and business growth.

Leads global employee communications and engagement strategy, channels, culture initiatives, employee listening, and change communications. Advises senior executives and HR leaders, oversees editorial governance and employee experience programs, and translates engagement analytics into recommendations. Manages and develops a global communications team while advancing AI fluency, digital capabilities, employer branding, employee advocacy, and storytelling across a complex, matrixed organization.

Designs heat rejection and HVAC systems for mission-critical data centers, including cooling selection, CFD analysis, heat-load calculations, redundancy, fault tolerance, energy efficiency, air quality, and capacity planning. Coordinates mechanical systems with electrical, UPS, emergency power, fire suppression, and other infrastructure. The role is client-facing, primarily remote, and requires occasional travel, a professional engineering registration, and significant data center experience.

Lead mechanical engineering design for hyperscale data centers, overseeing HVAC, piping, fire suppression, and chiller systems. Manage mechanical teams, coordinate multidisciplinary projects, develop equipment specifications, support construction and commissioning, respond to RFIs, ensure code compliance, and optimize energy usage and operating costs. Serve as a client-facing technical lead while maintaining project schedules, budgets, quality, and performance standards.

Leads AECOM’s West Coast Transit-Rail Division, overseeing strategy, growth, profitability, operations, business development, capture management, account management, project delivery, recruiting, and people leadership. Builds relationships with transit agencies, wins major infrastructure projects, develops high-performing teams, and collaborates across business lines to serve transit and rail clients.

Design and optimize data center heat rejection and HVAC systems, perform heat load calculations and CFD airflow analysis, select cooling systems, ensure redundancy and energy efficiency, coordinate with electrical/mechanical trades, and support capacity planning and air quality controls.