Mechanical Engineer - Mission Critical
Sky Mavis
About Us Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design. We are a team of high-energy professionals who share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest minds across development, design, and construction. The Role We Want You For The Mechanical Engineer will support the design of mechanical systems for mission‑critical facilities, including data centers, advanced manufacturing plants, and other high‑availability environments. Working alongside a Senior Mechanical Engineer on each project, this mid‑level role is responsible for producing detailed mechanical designs, performing analyses, and coordinating with multi‑disciplinary teams to deliver infrastructure that meets demanding uptime and efficiency requirements in a fast‑paced environment. The Specifics of the Role Develop mechanical designs for mission‑critical projects under the direction of a Senior Mechanical Engineer, ensuring compliance with industry standards, codes, best practices and client requirements. Perform detailed calculations and analyses such as load calcs, pipe pressure drop, duct pressure drop, PUE, WUE etc. Produce mechanical design deliverables including drawings and specifications. Delegate tasks to junior engineers, oversee their progress, and provide technical guidance, mentorship and training. Coordinate with other disciplines including civil, structural, architectural, electrical, plumbing, and controls to support integrated design. Support construction administration activities, including RFI responses, submittal reviews, and field observations. Contribute to client meetings and presentations, support the senior engineer in communicating technical solutions. Stay current with emerging technologies and trends in the mission‑critical industry. Requirements BS degree in Mechanical Engineering from an ABET institution required. 3-7 years of experience in Mechanical Engineering; mission‑critical, data center, or high‑tech manufacturing project experience preferred. EIT required; PE License preferred or actively pursuing. Proficiency in mechanical design software (e.g., AutoCAD, Revit, Trane Trace, Carrier HAP, or similar tools). Proficiency or familiarity with CFD modeling software such as Ansys Fluent, Cadence Reality or similar is a plus. Experience with building codes and standards (ICC series, ASHRAE, NFPA etc.) and local/regional codes and regulations. Experience working in a design‑build or integrated project delivery (IPD) environment is a plus. Knowledge of construction workflows and their relationship to design. Strong communication, leadership, and problem‑solving skills. Some Things You Should Know No other builder can offer the collaborative design-build approach that Clayco does. We work on creative, complex, award‑winning, high‑profile jobs. The pace is fast! Why Clayco and LJC? 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal. 2025 ENR Top 400 – Top Data Center Contractor (Top 3). 2025 ENR Top 100 Design‑Build Firms – Design‑Build Contractor (Top 5). 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3). Benefits Discretionary Annual Bonus: Subject to company and individual performance. Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more! Compensation The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case. #J-18808-Ljbffr Sky Mavis
- The Role We Want You For The Mechanical Engineer will support the design of mechanical systems for mission‑critical facilities, including data centers, advanced manufacturing plants, and other high‑availability environments. Working alongside a Senior Mechanical Engineer...SuggestedLocal areaFlexible hours
$90.9k - $131.8k
Opportunity This role is for a Civil Engineer focusing on Mission Critical Data Center projects within the Community Development Group. The engineer will work on Data Center projects of various sizes across the country, serving Fortune 10 companies and other major commercial...SuggestedRemote jobFull timeTemporary workPart timeFor contractorsFor subcontractorCasual workWork at officeLocal areaFlexible hours$36.59 - $50.29 per hour
...Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps... ...meetings with sales and service operations. Performs value engineering to provide cost effective results while maintaining customer...SuggestedHourly payFor contractorsFor subcontractorWorldwide$90.9k - $131.8k
...Project Manager For Mission Critical Data Center Projects Strong communities don't just happen. They're thoughtfully planned and future... ...position will coordinate, and lead project teams focused on engineering and construction related services. Your Key...SuggestedRemote jobFull timeTemporary workPart timeCasual workWork at officeLocal areaFlexible hours- ...Project Manager, Engineering Mission Critical Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering... .... Requirements ~ Bachelor's Degree in Engineering (Mechanical, Electrical, or related discipline preferred). ~10+...SuggestedFor contractorsCasual workWork at officeFlexible hours
- ...development, master planning, architecture, engineering, and construction firm that safely... ...fast track, efficient solutions for mission critical, industrial, life sciences, power & energy... ...Role We Want You For The Senior Mechanical Engineer will lead the mechanical...For contractorsCasual workLocal areaFlexible hours
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- DescriptionBurns & McDonnell is seeking to hire a Senior Mechanical Engineer to support our Power global practice. The Senior Mechanical Engineer... ...work and resolve issues in a team environment.Demonstrated critical thinking skills, ability to work methodically and...For contractorsWork at office
- DescriptionAs a Mechanical Engineer, you will work on project teams to create world-class designs for new projects, alterations and redevelopments... ...a quantitative problem-solving environment and demonstrated critical thinking skills.Proficient in standard engineering...Contract workWork at office
- ...JOB SUMMARY: The Fire Protection Site Engineer serves as the on-site engineering representative... ...with architectural, structural, mechanical, electrical, plumbing, and other... ...food and beverage, pharmaceutical, or mission-critical facilities is a plus. ~ Experience with...For contractorsFor subcontractorWork at officeAfternoon shift
- ...water industries.We build the critical structures that improve lives... ...strengthen communities.Our mission is simple — and our approach... ...Design Integration Manager (Mechanical) collaborates closely with our... ...equipment) on design-build, engineer-procure-construct, construction...Full timeFor contractorsWork at office
- ...success. Overview The Technical Services Engineer (TSE) I is a technical expert who... ...Assists the project team with review of critical equipment and system submittals for conformance... ...or retro-commissioning. Professional Mechanical Engineering (PE) license. Possesses...Contract workWork at office
- ...Job Description Job Description The Field Electrical Power Engineer will be responsible for project oversight of all aspects of... ...QUALIFICATIONSExperience with data center electrical infrastructure and mission critical facilities. Experience with medium voltage systems,...Full timeContract workFor contractorsWork at office
- DescriptionThe Senior Mechanical Engineer will lead mechanical design projects and teams to create world-class designs for new projects, alterations... ...work and resolve issues in a team environment.Demonstrated critical thinking skills, ability to work methodically and...For contractorsWork at office
$136.85k - $185.15k
...Security (BDS) is seeking a Lead Mission System Flying Test Bed (FTB) Engineer in Berkeley, MO, supporting an Air... ...as part of a very exciting and critically important development effort. You... ...Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer...Permanent employmentWork experience placementInterim roleImmediate startRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift$105k - $145k
...reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement,... ...for a passionate and dedicated Process Mechanical Lead Engineer in Missouri. As part of our team, you’ll have...Full timeWork at officeRemote workWorldwide- ...development, master planning, architecture, engineering, and construction firm that safely... ...fast track, efficient solutions for mission critical, industrial, life sciences, power & energy... .... The Role We Want You For The Mechanical Preconstruction Manager will participate...Contract workFor contractorsFor subcontractorInterim roleWork at officeFlexible hours
- ...we7re building sci-fi medical devices. Our mission is to bring aging under full biomedical... ...cannot provide. We re looking for cracked engineers to join us in building machines that make aging optional. The role As a Mechanical Engineer at AION, you will: Design and fabricate...
- Job Title: Mechanical Engineer - Freight Elevator Systems Full-Time Position Courion - St. Louis, MO Courion is seeking a technically skilled... .... Soft Skills Strong problem-solving, organizational, and critical-thinking abilities. Excellent communication skills, both...Full timeMonday to Friday
- Mechanical Engineer page is loaded## Mechanical Engineerlocations: New Hampton, IAtime type: Full timeposted on: Posted Todayjob requisition... ...systems and concrete accessories used to build the world’s critical transportation, water and utility infrastructure systems. Afinitas...For contractorsShift work
- We are looking for a Mechanical Engineer to help design critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive. In the role of Mechanical Engineer, we’ll count on you to: Coordinate the work of the mechanical...Contract work
- ...involves: As an Operating/Building Engineer, you'll play a critical role in keeping our facilities... ...: Operate, maintain, and repair Mechanical, Plumbing, Structural, Furniture, Fire... ...disciplines Experience working in mission-critical facilities or environments...Daily paidFor contractorsShift workNight shift
$90k - $120k
...by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational... ...innovate and grow by designing, engineering, and executing the... ...systems philosophies. Developing mechanical / utility equipment and construction...Civilian ContractorFull timeRemote work$177.65k - $240.35k
...The Boeing Company is looking for a Mission Systems Lead Software Architect to join... ...role will also coordinate with the Digital Engineering Environment team, Systems Engineering,... ...processes Familiar with safety critical software development Experience with...Permanent employmentWork experience placementInterim roleRelocationVisa sponsorshipWork visaFlexible hoursShift workDay shift- Sr. Mechanical Engineer Saint Louis, MO Full-time Description As a Mechanical Engineer, you will play a critical role in designing and implementing complex industrial process systems or power utility systems. You will have advanced skills in the following areas: problem...Permanent employmentFull timeTemporary workFor contractorsWork experience placementH1bWork at office
- ...development, master planning, architecture, engineering, and construction firm that safely... ...fast track, efficient solutions for mission critical, industrial, life sciences, power & energy... ...Role We Want You For The Senior Mechanical Engineer will lead the mechanical...For contractorsCasual workLocal areaFlexible hours
- ...industrial process, and water industries.We build the critical structures that improve lives and strengthen communities.Our mission is simple — and our approach to delivering on... ...OverviewThe Senior Project Engineer is an experienced professional responsible for...Full timeContract workFor subcontractorWork at officeLocal areaImmediate start
- ...development, master planning, architecture, engineering, and construction firm that safely... ...fast track, efficient solutions for mission critical, industrial, life sciences, power & energy... ...closely with architectural, mechanical, and structural teams to integrate electrical...For contractorsCasual workFlexible hours
$120.9k - $160.8k
...reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific... .... Your impact We’re seeking an Electrical Engineer to join our team. You’ll have the opportunity...Full timeRemote workWorldwide$58.66k - $85k
Entry Level Construction Project Engineer At Jacobs, we’re challenging today’s problems to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery...Full timeFor contractorsWork at officeLocal area
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