Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Mechanical Engineer

$115k - $180k

Salas 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.

Job Summary: The Senior Mechanical Engineer serves to work in a fast-paced multi-discipline team environment. The position responsibilities primarily are focused on the design of mechanical systems for new facilities, additions, and renovation projects. This will require providing technical leadership for the creation of construction drawings and specifications, existing system studies and master planning efforts. Qualified candidates will meet with clients, project teams, code officials, contractors, and others to address mechanical issues to develop effective working relationships. The project clientele will be primarily focused on (but not exclusive to) mission critical projects centered on data centers throughout North America.

Responsibilities:

  • Develop HVAC system designs of a given project based on scope of work and/or client RFPs
  • Provide engineering design, evaluation, and planning of mechanical systems for a variety of building types
  • Perform and oversee Load/Energy calculations with software such as Trace 700/3D, IES and similar programs
  • Conduct existing building surveys and documentation of existing HVAC systems
  • Develop system design calculations and selection of equipment for use in buildings, specific experience and knowledge in chilled water systems is required.
  • Write/edit project specifications
  • Prepare detailed design documents, reports, and studies
  • Complete code compliance research
  • Coordinate work with other disciplines
  • Provide construction administration services
  • Perform QA/QC of design work
  • Oversee and provide guidance to junior engineers
  • Lead project teams and serve as the primary contact for clients
  • Assist in the procurement of new work; including the development of client relations and participation in project interviews

Qualifications and Experience:

  • You have a bachelor's degree in Mechanical Engineering
  • You possess Professional Engineer (PE) license
  • You have a minimum of 8 years of design experience
  • You have a minimum of 4 years of project management experience (preferred)
  • You have knowledge in the design of HVAC systems
  • You have knowledge and understanding of codes, standards, and design guidelines
  • Excellent work ethic and attitude
  • Good communication skills, combined with organizational skills, the ability to plan, balance and prioritize work
  • Ability to lead a team and work as a team
  • Proficiency in Auto CAD, Revit, and MS Office
  • Ability to travel

Location: Denver (Greenwood Village or Lakewood), CO or North Salt Lake City, UT

Travel: Up to 10%

Compensation & Benefits: The expected base salary range for this role is $115,000 - $180,000 USD per year. Actual compensation will be determined based on a number of factors including skills, experience, qualifications, and location. This role is also eligible for performance-based bonuses and a comprehensive U.S. based benefits package, including:

  • Medical, dental, and vision insurance
  • 401(k) with company match
  • Paid time off and company holidays
  • Wellness programs and employee assistance resources
  • Professional development support

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, colour, 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.

Vacancy posted 22 hours ago
Similar jobs that could be interesting for youBased on the Senior Mechanical Engineer in Greenwood Village, CO vacancy
  • $130k - $150k

     ...Clara, California with roughly 100 employees and infrastructure around the globe. \n \n Position Summary \n The Senior Mechanical Design Engineer is responsible for leading the mechanical design of satellite buses (50 kg to 500 kg), from proposals through to final... 
    Senior
    Permanent employment
    Full time

    Astro Digital

    Littleton, CO
    25 days ago
  •  ...Seeking an experienced Mechanical / Hot Cell Engineer to join a team of engineering and design professionals serving the Nuclear Services & Technology...  ...delegate work as required, and take design direction from senior-level engineers. Key Responsibilities: Detailed... 
    Senior
    Full time
    Remote work

    John Galt Staffing

    Greenwood Village, CO
    4 days ago
  • $50 per hour

     ...test support of flight hardware as part of the Orion Production Engineering team. Tasks will include providing timely stress analyses to...  ...Program ManagementResearches, plans, designs and develops mechanical products and systems such as instruments, controls, robots, engines... 
    Senior
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Littleton, CO
    3 days ago
  •  ...Description Sr. Mechanical Engineer Highlands Ranch, CO About Our Company Diversatek, Inc. is a global, multi-platform healthcare solutions manufacturing company. Invested in a broad and ever-growing line of medical technologies, Diversatek manufactures and... 
    Senior
    Worldwide
    Flexible hours

    Diversatek Healthcare

    Littleton, CO
    3 days ago
  • $115k - $180k

     ...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... 
    Senior
    For contractors
    Local area

    Salas O'Brien

    Centennial, CO
    5 days ago
  •  ...rapidly and responsively. We’re looking to expand our team across the board. York Space Systems is looking for a talented Senior Mechanical Engineer that can turn complex design requirements into an affordable-to-produce and easy-to-assemble design for high-rate... 
    Senior
    Permanent employment
    Full time
    Work at office
    Local area
    Worldwide

    York Space Systems LLC

    Greenwood Village, CO
    2 days ago
  • $118.02k - $180.31k

     ...will provide development support, conceptual design and owner's engineer services to clients including performing technical evaluations...  ...support, and conceptual design. Particular experience in mechanical design of conventional power projects is desired. You will... 
    Senior
    Hourly pay
    Contract work
    Work at office
    Local area
    Flexible hours
    3 days per week

    Sargent & Lundy

    Englewood, CO
    5 days ago
  • $130k - $150k

     ...envelope, data center optimization, and EV charging; lighting/LED retrofits, HVAC/mechanical systems, and BMS/BAS improvements and implementation. The Senior Mechanical Project Engineer helps clients identify, design, and implement utility and infrastructure... 
    Senior
    Temporary work
    Work at office
    Local area
    Remote work
    Flexible hours
    Night shift

    MANTIS INNOVATION

    Greenwood Village, CO
    5 days ago
  • $50 per hour

     ...resiliency. This position will be a key member of the Systems Engineering, Integration and Test (SEIT) team in support of the final...  ...integration, test, and delivery of this critical capability focused on Mechanical Systems Integration.In this role you will:Support the... 
    Senior
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Littleton, CO
    3 days ago
  •  ...We are seeking an experienced Senior Mechanical Engineer to join an innovative medical device organization specializing in diagnostic technologies. This hands-on role offers the opportunity to work across the full product lifecycle, from concept and design through testing... 
    Senior
    Full time
    Flexible hours

    Surf Search

    Denver, CO
    4 days ago
  •  ...Senior Mechanical Engineer – Mining & Mineral Processing Location: Denver, CO We are supporting a growing engineering company within the mining and mineral processing sector that is looking to appoint an experienced Senior Mechanical Engineer to its project execution... 
    Senior
    Full time
    For contractors

    GRTS

    Denver, CO
    4 hours ago
  •  ...learn how you could help make great things possible not only in your community, but around the world. HDR is seeking a Senior Mechanical/Process Engineer to support our growing portfolio of liquified natural gas (LNG), industrial gas, and hydrocarbon infrastructure... 
    Senior
    For contractors
    Work at office

    HDR

    Denver, CO
    1 day ago
  • DescriptionBurns & McDonnell is a company made up of more than 8,000 engineers, architects, construction professionals, scientists,...  ...Specific areas of responsibility include the following:Designing mechanical systems/equipment to provide for a useful and safe workplace.Advise... 
    Senior
    Contract work
    Work at office

    Burns & McDonnell

    Denver, CO
    5 days ago
  •  ...further to learn how you could help make great things possible not only in your community, but around the world.In the role of Senior Mechanical Engineer (Pipe Stress), we'll count on you to:Perform pipe stress analysis and piping design for projects and prepare reports on... 
    Senior
    Contract work
    Work at office

    HDR

    Denver, CO
    3 days ago
  • $110k - $190k

     ...against the most advanced threats ever fielded. True Anomaly is building that hardware — and we are looking for engineers who want to be part of it. As a Mechanical Engineer at True Anomaly, you will own the mass properties of the entire vehicle and also play a critical... 
    Senior
    Permanent employment

    True Anomaly

    Denver, CO
    1 day ago
  • $135k - $200k

     ...deliver ambitious results.It’s the people. Our team is our competitive advantage and we are better together.YOUR MISSIONAs a Mechanical Engineer at True Anomaly, you will be at the forefront of designing and developing the next generation of spacecraft that define the future... 
    Senior
    Permanent employment

    True Anomaly

    Denver, CO
    1 day ago
  • $50 per hour

     ...era in space and find a career that's built for you.Lockheed Martin Space in Littleton, CO is seeking a new propulsion component engineer. In this role you will support the design, development, testing, procurement, and integration of a propulsion component into the propulsion... 
    Senior
    Full time
    Temporary work
    Work experience placement
    Casual work
    Work at office
    Flexible hours

    Lockheed Martin

    Littleton, CO
    5 days ago
  • $50 per hour

     ..., subcontracts, quality, structure design, analysis, systems engineering, and integration with affected subsystems and facilities.Other...  ...for this position:Researches, plans, designs and develops mechanical products and systems such as instruments, controls, robots, engines... 
    Senior
    Full time
    Temporary work
    Work experience placement
    Casual work
    Work at office
    Flexible hours

    Lockheed Martin

    Littleton, CO
    3 days ago
  •  ...Senior Staff Mechanical Engineer – Spacecraft Location: Westminster, Colorado Job Type: Full-time | On-site Industry: Aerospace & Space Technology About the Opportunity EVONA is partnering with an innovative space technology company at the forefront... 
    Senior
    Permanent employment
    Full time

    EVONA

    Denver, CO
    3 days ago
  • $50 per hour

     ...Lockheed Martin Space — Your Mission is Ours.As a Loads & Dynamics Engineer supporting the Next Generation Interceptor (NGI) program, you...  ...and commercial software to simulate vibration, shock, and mechanical loading conditionsConduct loads development at the component,... 
    Senior
    Full time
    Temporary work
    Work experience placement
    Interim role
    Casual work
    Flexible hours

    Lockheed Martin

    Littleton, CO
    18 hours ago
  • $107k - $190k

    Position: Mechanical Engineer (will consider all Sr. levels) Location: 8100 Shaffer Parkway Unit #100 Littleton...  ...for a Mechanical Engineer (willing to consider all senior levels) to join our Spacecraft design team located at our facility... 
    Senior
    Permanent employment
    Work experience placement
    For subcontractor
    Local area

    Redwire

    Littleton, CO
    1 day ago
  •  ...Senior Mechanical Engineer Our client, a well established contractor, is looking for a Senior Mechanical Engineer in the Denver market. Job Duties and Responsibilities: Strong understanding of mechanical system design. Ability to provide design and engineering... 
    Senior
    For contractors
    Work experience placement

    Nenni and Associates

    Denver, CO
    2 days ago
  •  ...our communities, and our planet. If this sparks your interest, you’re in the right place.DLR Group has an opening for a Senior Mechanical Engineer.Location: Denver or PhoenixPosition SummaryAs a Mechanical Engineer, you will be responsible for leading design of mechanical... 
    Senior
    Work at office

    DLR Group

    Denver, CO
    3 days ago
  • $100k - $140k

     ...Senior Mechanical Engineer (HVAC / Building Systems) Company Name: RTM Engineering Consultants Location: Lakewood, CO Project Focus: Commercial, Healthcare, Education, and Institutional Building Systems Work Setting: In-Office / Flexible Scheduling (RTO... 
    Senior
    Work at office
    Local area
    Flexible hours

    Luxus

    Lakewood, CO
    4 days ago
  • DescriptionBurns & McDonnell is seeking to hire a Senior Mechanical Engineer to support our Power global practice. The Senior Mechanical Engineer will lead mechanical design project teams to create world class designs for both new and existing power generation facilities... 
    Senior
    For contractors
    Work at office

    Burns & McDonnell

    Denver, CO
    5 days ago
  •  ...The Opportunity Senior Mechanical Engineer | Denver, CO Design innovative buildings. Lead meaningful projects. Grow your career. RS&H is seeking a Senior Mechanical Engineer to join our Buildings team in Denver. In this role, you'll help deliver innovative... 
    Senior
    Permanent employment
    Contract work
    Work at office

    RS&H

    Denver, CO
    4 days ago
  • $115k

     ...last. Mead & Hunt, an award-winning national architecture and engineering firm, has continued to exceed our strategic growth...  ...members. As a result, a full-time position is available for a Senior Mechanical Engineer in our Denver, CO; Madison, WI; Milwaukee, WI; Dallas... 
    Senior
    Full time
    H1b
    Work at office
    Visa sponsorship
    Flexible hours

    Mead and Hunt

    Denver, CO
    8 hours ago
  •  ...Mechanical Engineer IV Years of Experience: 6+ Years About RTM: RTM Engineering Consultants is an MEP, Civil and Structural engineering firm that goes beyond the conventional consulting role. We forge deep partnerships with our clients by aligning with the... 
    Senior
    Flexible hours

    Luxus

    Denver, CO
    4 days ago
  • $135.25k - $191.9k

     ...Senior Pipeline Engineer Play an integral role in Worley's Pipeline Systems team, helping deliver the critical infrastructure that supports...  ...team, you will collaborate with experienced pipeline, mechanical, civil, structural, environmental, integrity, and project... 
    Senior
    For contractors
    Work at office

    Worley

    Denver, CO
    3 days ago
  • $146.4k - $219.6k

     ...Posted Wednesday August 19th, 2026 at 9:46 AM | Expires Thursday, December 31st, 2026 at 12:59 AM Position Summary: A Senior Mechanical Engineer in our Mission Critical practice will have the opportunity to design the most complex advanced building systems, prepares... 
    Senior
    For contractors
    Casual work
    Work at office
    Remote work
    Flexible hours

    Henderson Engineers

    Denver, CO
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Mechanical Engineer. Be the first to apply!