Senior Mechanical Engineer
$140k - $200kSalas O'Brien
Senior Mechanical Engineer
At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That's why we're committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.
Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they'll receive great total rewards along the way.
Founded in 1975, Salas O'Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow's requirements are today's opportunities, and we are here to design lasting solutions for pressing challenges.
We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.
Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.
The Senior Mechanical Engineer will combine deep technical plumbing expertise with leadership responsibilities in growing our mechanical team. This role balances hands-on project involvement with business development, client engagement, and mentoring of engineering staff. The successful candidate will drive innovation in healthcare mechanical design, lead project delivery, and contribute to the strategic growth of our healthcare portfolio.
Responsibilities:
- Provide a superior level of technical services to our clients for their projects and technical support requirements, providing technical and project control direction, and mentoring to other engineers and designers.
- Provide engineering design, evaluation, and planning of mechanical systems for healthcare, life sciences, higher education, and data center market types.
- Identify, formulate, and initiate solutions to complex problems requiring multiple-discipline involvement, along with discipline-specific analytical tools.
- Perform work activities on an individual basis or within a project team with limited to no need for supervision.
- Coordinate work activities that affect the quality of project control, scope development, proposals, engineering & design, document control, inspection & testing, and commissioning.
- Review and check the work of others. Effectively apply self-checking to their work.
- Identify and resolve complex problems that involve the use of conflicting or incomplete information.
- Advanced data gathering and site assessments at customers' facilities
- Review and editing of project specifications.
- High-level and expert knowledge of California code requirements, including California Building Code (CBC) and HCAI-specific requirements.
- Develop bidding documents for process equipment, fabrication, and construction.
- Ability to review Revit production models and work interactively with support staff in the development of project deliverables.
- This position is intended to provide guidance and direction for support staff.
- Oversee preparation of technical drawings and bid documents.
- Lead multidisciplinary project teams through all phases of design and construction.
- Serve as the primary client contact for plumbing design within projects.
- Perform QA/QC reviews of design work to ensure quality and compliance with applicable codes and standards.
Skills:
- Client engagement and business development experience.
- Advanced expertise with Autodesk software (Revit, Navisworks).
- Ability to perform and review complex HVAC load calculations utilizing Energy Soft and Trace energy modeling software.
- Ability to comprehend, contribute to, and carry out strategies to manage our relationships with customers, suppliers, and alliance team members.
- Experience with leading engineering and design teams.
- Demonstrated ability to work independently and take initiative to drive projects forward.
Team Contribution & Development:
- Collaborate with project managers and support staff to deliver projects on schedule and within scope.
- Manage proposal development and provide technical input for projects as needed.
- Participate in knowledge sharing and continuous improvement of design standards and best practices.
- Contribute to a positive team environment through effective communication and management.
- Continue to build technical expertise in specialized mechanical systems.
Qualifications:
- Bachelor's Degree in Mechanical Engineering.
- 10+ years of experience engineering and managing mechanical systems projects from start to finish for the built environment.
- Client engagement and business development experience.
- Registration as P.E. preferred.
Location:
- San Diego, CA (on-site with remote Fridays).
Travel:
- Up to 30%.
Compensation & Benefits:
Salas O'Brien health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Team members have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Salas O'Brien has both U.S. and Canadian (PTO) plans for full-time salaried, exempt and non-team members, 10 paid holidays, and paid leave programs for military service and new parents. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.
The base salary range for this position is $140,000 to $200,000. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.
Equal Opportunity Employment Statement:
Salas O'Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O'Brien will accommodate the disability-related needs of applicants as required by law.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.
- ...efficient, sustainable, and cost-effective. Through innovative HVAC engineering, electrical upgrades, building automation systems,... .... About the Position Our client is seeking an experienced Senior Mechanical Engineer to lead the design and engineering of complex HVAC...SeniorFull timeFor contractors
$104.95k - $152.43k
...with Syska Hennessy Group. As a global leader in consulting, engineering, and commissioning services, we specialize in MEP,... ...vertical transportation, and commissioning. We are seeking a Senior Mechanical Engineer to join our team in San Diego. Your experience working...SeniorFor contractorsWork from homeFlexible hours$100.8k - $147k
This OpportunityWSP is currently initiating a search for a Senior Mechanical Engineer to join our Property & Buildings Building Systems Team in San Diego, CA.Be involved in projects with our Property & Buildings Team and be a part of a growing organization that meets our...SeniorFor contractorsLocal areaFlexible hours$112.7k - $169.06k
...world, so we can all enjoy living in it.Mechanical Analysis EngineerSolar Turbines is a subsidiary... ...offerings for Customer projects. The engineer will initially be tasked with executing... .... The engineer will be partnered with senior engineers to develop a base of knowledge...SeniorFull timePart timeFlexible hours$108k - $162k
...potential in every system. Across five countries are 1,100 engineers, designers, and consultants collaborating to elevate the human... ...and partners.Job SummaryIntroba is seeking an Associate, Senior Mechanical Engineer in our San Diego location, that can work in collaboration...SeniorFull timeLocal area$145.6k - $276.8k
...Aerospace is looking for a Sr Principal Stress Engineer who will perform structural analysis in... ...We Prefer:Degrees preferred: Mechanical, Aerospace, Civil, Structural or similarExperience... ...and presenting technical information to senior level leadershipWhat We Offer:Benefits:...SeniorTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$50 - $72 per hour
...Senior Engineer The Senior Engineer position is responsible for independently delivering engineering services, from conceptual design... ...Construction Management ~8+ years of experience with a Design/Build Mechanical Contractor or HVAC consultant Desired: ~...SeniorHourly payTemporary workFor contractorsWork experience placementWork at officeMonday to Friday$107.09k - $159.03k
...Solutions has delivered more mid-IR systems to more applications world-wide than any other company. Job Summary The Senior Mechanical Engineer - Design at Daylight will be responsible for mechanical architecture, opto-mechanical design execution, and system-level...SeniorContract workWork experience placementLocal areaFlexible hours$130k - $170k
...A leading mechanical construction contractor in San Diego is seeking an experienced Project Manager to oversee HVAC/plumbing projects. The ideal candidate will have over 5 years of mechanical project management experience and a BS degree or equivalent professional experience...SeniorFull timeFor contractors- ...Job Description Senior Mechanical Project Manager needed for a well-respected, growing contractor in the San Diego area! This company has many years of proven excellence and shows no signs of slowing down!! Do you bring 5+ years of Mechanical Project Management...SeniorFor contractorsFor subcontractorWork at office
$155k - $175k
...Southern California's leading value-added mechanical contractors. With a focus on client... ...Job Summary University Mechanical & Engineering Contractors, Inc. is currently seeking an... ...for a full-time position as a Mechanical Senior Project Manager located in the San Diego...SeniorFull timeContract workFor contractorsWork at officeFlexible hours$98.4k - $147.6k
...inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible.We are seeking a Senior Mechanical Engineer to support new product development in genomics instrumentation. This is a mechanical design focused role working on...SeniorFull timeWork experience placementLocal area$118k - $162k
...systems requires solving extraordinary structural, thermal, and logistics puzzles. We are seeking a highly skilled, hands-on Senior Mechanical Engineer & Team Lead to define the physical architecture of our heavy-duty product lineup and guide its mechanical execution from...SeniorWork at officeLocal areaRemote workWorldwideShift work- ...We are scientists, engineers, and operators who have spent our careers inside cell therapy manufacturing. We have built the platforms... ...you want to do, read on. ABOUT YOU You are a hands-on Senior Mechanical Engineer who turns requirements into working hardware. You...SeniorFull time
$120k - $170k
...designed with the operator in mind and the right amount of engineering rigor? If so – we want to hear from you! This role will support... ...maritime, and ground environments. Fuse is looking for a Senior Mechanical Engineer to support development and deployment of our multi-...Senior$165k - $225k
...Job Description Job Description Join our fast-paced and passionate team as a Senior Mechanical Engineer of Optical Alignment Machines. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a self-...SeniorFull timeLocal areaFlexible hours$130k - $175k
...supports mission-critical defense and technology initiatives by solving complex operational and engineering challenges. We are seeking a motivated, collaborative Senior Mechanical Engineer to develop the engineering drawings and Technical Design Packages needed to place...SeniorFull timeContract workTemporary workWork at officeLocal areaRemote workFlexible hours$136.08k - $204.12k
...for patients, their families, and society.Job SummaryThe Senior Robotics Automation Engineer is a highly experienced technical leader responsible... ...instrument communication, scheduling systems, device APIs, mechanical and electrical integration, liquid handling principles,...SeniorImmediate start$100k - $180k
...Senior Mechanical Engineer - Aerospace and Defense Ingenium Technologies - Carlsbad, CA - relocation available Additional Job Postings: A Senior Mechanical Engineer is needed for a well known aerospace/defense company. The primary...SeniorPermanent employmentFull timeRelocation$114.44k - $190.74k
Senior Mechatronics Engineer - 071QE Posted on 06/16/2026 Location San Diego, California, United States Description About Applied Photonics... ...Major Duties & Responsibilities What Will You Do? As a Mechanical Engineer with a focus in Mechatronics, you will design...SeniorPermanent employmentRemote work- ...global ecosystem. Perform code reviews, developer and unit testing, and propose automated testing solutions. Bachelor's degree in Engineering, Information Systems, Computer Science, or related field and 2+ years of Software Engineering or related work experience. OR...SeniorFull timeWork experience placement
- ...Senior Mechanical HVAC Project Manager position in San Diego, CA Responsibilities: Manage schedule, budget, change-orders Review and ensure accuracy for estimates for upcoming projects Meet with suppliers and sub-contractors Attend BIM Coordination meetings...SeniorFull timeFor subcontractorLocal areaRelocation
$140k - $155k
...Principal ~ Collaborative, structured, and growth-focused work environment Role Purpose: The Senior Mechanical & Plumbing Engineer serves as a senior technical leader responsible for the design, coordination, and quality control of both Mechanical...SeniorFull timeWork at office- DescriptionThe Mechanical Engineer will work on project teams to create world class designs for new projects, alterations and redevelopments... ...required by the project managers.Update drawings provided by senior engineers to verify corrections are made within multiple CAD...Contract workWork at office
$120.6k - $180.9k
...for a motivated team member to work on New Product Introduction (NPI) using the agile development process. The Principal NPI Mechanical Engineer is responsible for driving the development and delivery of new turbomachinery products from concept through beneficial use. This...Full timePart timeWork at officeRelocation packageFlexible hours$201.6k - $302.4k
Company:Qualcomm Technologies, Inc.Job Area:Engineering Group, Engineering Group > Packaging EngineeringGeneral Summary:We are seeking... ...manufacturing process.Preferred QualificationsM.S. or Ph.D. in Mechanical, Electrical, or Materials Engineering, or equivalent...Contract workWork experience placementWork from home$90k - $110k
...Core Services Group is seeking an experienced Steam Plant Engineer/SME with experience on U.S. Navy Amphibious platforms to support... ...position. Required Knowledge, Skills, and Abilities (Senior/Team Leader): At least fifteen (15) years of supervisory experience...SeniorFull timeContract workInterim roleWork at officeImmediate startOverseas$120k - $170k
...them. Using a broad portfolio of RNA chemistries and efficient modes of delivery, Arrowhead therapies trigger the RNA interference mechanism to induce rapid, deep, and durable knockdown of target genes. RNA interference, or RNAi, is a mechanism present in living cells...Senior$142.2k - $213.4k
...employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems has an opening for a Senior Principal Systems Engineer to join our team of diverse, qualified individuals in our Systems Engineering organization. This role may be located...SeniorFull timeRelocation packageShift work$192.4k - $250k
...Role OverviewJoin the Customer Outcomes team to accelerate platform adoption and improve customer outcomes. As a Senior Principal Platform Architect, you will help customers establish a technical foundation in the ServiceNow Platform and design solutions that improve...SeniorFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Mechanical Engineer. Be the first to apply!
- senior business analyst San Diego, CA
- senior cost estimator San Diego, CA
- senior contract specialist San Diego, CA
- senior manager tax San Diego, CA
- senior automation engineer San Diego, CA
- senior devops San Diego, CA
- senior property manager San Diego, CA
- senior paralegal San Diego, CA
- senior associate vice president San Diego, CA
- senior director digital marketing San Diego, CA



