Senior Mechanical Engineer

At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including, Buildings, Energy, Transportation, and Water. We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story. If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott MacDonald in North America.Mott MacDonald is actively seeking a HVAC/Tunnel Ventilation & Fire Life Safety Engineer for immediate employment in our Los Angeles office to work in the Tunnels and Building Sciences Group. This position will afford an opportunity to work within a specialized group of professionals in the assessment and development of conceptual, preliminary and detailed designs for major road and rail transportation projects and related underground or enclosed structures and overbuilds. The position provides great potential for professional advancement and in-house training.The responsibilities of this role include but are not limited to:Designing mechanical (HVAC, Plumbing and Fire Protection) systems using engineering calculations and preparing design drawings and specifications under the direction of senior engineers or project managersPerform studies, evaluations and preliminary designPrepare contract documents including drawings, specifications and calculationsLead tasks and supervise junior engineers within larger scale projectsEnsuring accuracy of design and contract documentsInnovative mechanical design and analysisDesign services during construction – submittal and RFI reviewSupport or lead proposal developmentSome project managementMinimum Requirements:Bachelor's degree in Mechanical, Mining, or equivalent engineering degree from an Accredited four-year college or university.PE License in Mechanical and Fire Protection10+ years of experience in HVAC/tunnel ventilation design and fire protection designKnowledge of Revit, Trace 700, HAP, Pipeflo softwareExperience with ventilation equipment installationsFamiliarity with fans, controls, and fire life safety codes and standards (NFPA, AMCA, ASHRAE) with emphasis on NFPA 130 and NFPA 502Working knowledge of Building Codes and NFPA standardsGood verbal and written communication skills and knowledge of common office softwareSelf-motivated and experienced in performing calculations and delivering quality workDemonstrated abilities to work within project timeframes and budget constraintsAbility to travel to clients and job sites and be willing to attend meetings after regular business hours – some travel may be required.Preferred Qualifications:Master’s DegreeFamiliarity with mechanical, fire protection, and egress assessmentFamiliarity with Fire Life Safety mechanical equipment inspection, testing and implementationExperience with Design-Build pursuit or Design-Build Plans and Specifications productionBenefits & RewardAt Mott MacDonald, our employees have a stake and a voice in our business, providing them with a direct connection to our success through our personal and group performance bonuses. We provide a comprehensive benefit package that includes 401k, medical, dental and vision insurance, short-term/long-term disability, paid holidays, PTO, parental leave, and company paid life insurance. Individual pay is determined based on several factors such as work location, education, experience, and unique skills.The expected salary for this position is $141,000- $181,000Collaboration at Our CoreAt Mott MacDonald, we believe great ideas happen when we’re together. Our hybrid approach centers on an in-office culture, with most of your time spent collaborating face-to-face and a minimum of three days per week in the office. We balance flexibility with connection, so you and your manager can choose how to meet client, team, and personal commitments.Equal opportunity is the law. We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.English versionSpanish versionChinese versionAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, creed, marital status, sexual orientation, gender identity, citizenship status or disability status.