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

Senior Mechanical Engineer - Mission Critical

Clayco

Senior Mechanical Engineer - Mission Critical 4 days ago Be among the first 25 applicants Direct message the job poster from Clayco 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 $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects. Clayco Design and Engineering (CDE) was created to diversify and grow Clayco’s industrial business unit’s capabilities with a focus on efficiently delivering robust design-build architectural and engineering solutions. The Clayco Design and Engineering team brings a tremendous amount of engineering expertise to the Clayco enterprise from a wide array of industrial segments such as food & beverage, consumer products, manufacturing, and life-science products. The Role We Want You For The Senior Mechanical Engineer will lead mechanical design projects, provide technical expertise, and ensure the successful delivery of high-quality engineering solutions for mission‑critical facilities, including data centers, advanced manufacturing plants, and other high‑reliability environments. The Specifics of the Role Lead the mechanical design and engineering of HVAC, plumbing, fire protection, and other building systems for mission‑critical facilities, including data centers, advanced manufacturing plants, and other high‑reliability environments. Perform detailed mechanical system calculations and analyses, ensuring compliance with industry standards, codes, and best practices. Manage project timelines, budgets, and resources while coordinating with other engineering disciplines. Design and specify mechanical systems, including HVAC, piping, ventilation, and fire suppression systems for commercial, industrial, and institutional projects. Review and approve mechanical drawings, specifications, and submittals for quality and accuracy. Provide technical guidance and mentorship to junior engineers and other team members. Develop and present detailed reports, technical specifications, and design documentation for clients and project stakeholders. Collaborate with project managers to define project scope, schedule, and deliverables, ensuring client expectations are met. Oversee commissioning, testing, and start‑up of mechanical systems to ensure proper operation. Manage and track project changes and ensure adherence to project goals, quality standards, and deadlines. Stay current with industry trends, emerging technologies, and new software tools to improve design processes and results. Requirements Bachelor’s degree in Mechanical Engineering (or related field) from an ABET institution required. 10+ years of experience in Mechanical Engineering, with at least 3 years focused on mission‑critical projects (data centers, high‑tech manufacturing, etc.). PE License is required to seal engineering documents, with the ability to attain licenses in multiple states. Strong experience in HVAC, plumbing, fire protection systems, and building energy management. Proficiency in mechanical design software (e.g., AutoCAD, Revit, Trane, Carrier, or similar tools). Experience with building codes and standards (ASHRAE, NFPA, IMC, etc.) and local/regional codes and regulations. Experience working in a design‑build or integrated project delivery (IPD) environment is a plus. Excellent 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? 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal. 2025 ENR Midwest – Midwest Contractor (#1). 2025 ENR Top 100 Design‑Build Firms – Design‑Build Contractor (Top 5). 2025 ENR Top 25 Data Center Builders - Data Center Contractor (Top 3). 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. Seniority Level Mid‑Senior level Employment Type Full‑time Job Function Engineering and Design Industries Construction, Design Services, and Engineering Services #J-18808-Ljbffr Clayco

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Senior Mechanical Engineer - Mission Critical in Saint Louis, MO vacancy
  • A leading construction and engineering firm in St. Louis is seeking a Senior Mechanical Engineer to lead mechanical design projects for mission-critical facilities. The ideal candidate will have over 10 years of experience, including at least 3 years focused on data centers... 
    Senior

    Clayco

    Saint Louis, MO
    1 day ago
  • D2 Consulting is seeking a Senior DevOps Engineer in St. Louis to design, automate, and support modern DevOps and cloud solutions powering mission-critical intelligence systems. You will focus on automation, reliability, and scalability while collaborating with security... 
    Senior

    D2 Consulting

    Saint Louis, MO
    1 day ago
  • $156k - $239.2k

    Esri is seeking a Senior System Engineer in St. Louis to lead mission-critical ArcGIS deployments for Defense and Intelligence operations. This role requires 12+ years of experience, extensive knowledge in geospatial systems, and the ability to design secure environments... 
    Senior

    Esri

    Saint Louis, MO
    1 day ago
  • A leading construction firm in St. Louis is seeking a Senior Electrical Engineer to lead design efforts for mission-critical facilities. This role requires over 10 years of experience in electrical engineering, with deep expertise in power distribution and emergency power... 
    Senior

    Clayco

    Saint Louis, MO
    1 day ago
  • Dev Technology Group, Inc. is seeking a Senior Technical Leader to enhance mission-critical systems for the federal government. This position requires extensive software engineering experience and expertise in AWS serverless architectures. Responsibilities include designing... 
    Senior
    Remote job

    Dev Technology Group, Inc.

    Saint Louis, MO
    1 day ago
  •  ...master planning, architecture, engineering, and construction firm that...  ..., efficient solutions for mission critical, industrial, life sciences,...  ...We Want You For The Mechanical Engineer will support the design...  .... Working alongside a Senior Mechanical Engineer on each... 
    For contractors
    Casual work
    Local area
    Flexible hours

    Clayco

    Saint Louis, MO
    7 days ago
  • Leidos seeks a Senior Systems Administrator/Help Desk Engineer to support the Chinook Agile software program for an Intelligence Community customer. You...  ..., leading operations and automation in a mission-critical setting. You will work with DevSecOps, cybersecurity... 
    Senior
    Day shift
    Afternoon shift

    Leidos

    Saint Louis, MO
    2 days ago
  • $120k

     ...Join to apply for the Senior Mechanical Engineer role at BR+A Consulting Engineers Continue with Google Continue with Google 3 days ago Be...  ...Engineer jobs in St Louis, MO . Senior Mechanical Engineer- Mission Critical, Traveler (AFG) Senior Mechanical Engineer, Data Center... 
    Senior
    Full time
    Contract work
    For contractors
    Work at office

    BR+A Consulting Engineers

    Saint Louis, MO
    3 hours ago
  • Senior Electrical Engineer - Mission Critical 2 days ago Be among the first 25 applicants Direct message the job poster from Clayco Clayco is a full-service...  ...and safety. Collaborate closely with architectural, mechanical, and structural teams to integrate electrical systems... 
    Senior
    Full time
    For contractors
    Flexible hours

    Clayco

    Saint Louis, MO
    1 day ago
  • Join to apply for the Associate, Senior Mechanical Engineer role at Introba 1 day ago Be among the first...  ...handling systems, data centers and critical facilities, energy modeling and cost‑...  ...rewards offering. Collaboration, mission‑driven focus, discipline, and leadership... 
    Senior
    Local area

    Introba

    Saint Louis, MO
    1 day ago
  • Join to apply for the Senior Controls Engineer - Mission Critical role at Clayco 1 week ago Be among the first 25 applicants Join to apply for the Senior...  ...best practices. Work closely with electrical, mechanical, and IT teams to ensure seamless system integration.... 
    Senior
    Full time
    For contractors
    For subcontractor
    Remote work
    Flexible hours

    Clayco

    Saint Louis, MO
    1 day ago
  • $30 - $50 per hour

    Senior Electrical Power Monitoring Systems-Mission Critical Join to apply for the Senior Electrical Power Monitoring Systems-Mission Critical role at Clayco Senior...  ...development, master planning, architecture, engineering, and construction firm that safely delivers clients... 
    Senior
    Full time
    For contractors
    Relocation package
    Flexible hours
    Shift work
    Weekend work

    Clayco

    Saint Louis, MO
    1 day ago
  • $20.5 per hour

    Join to apply for the Senior Telecom Engineer-Mission Critical role at Clayco 2 weeks ago Be among the first 25 applicants Join to apply for the Senior...  ...-critical environments. Collaborate with electrical, mechanical, and IT teams to ensure seamless integration of... 
    Senior
    Full time
    For contractors
    Remote work
    Flexible hours

    Clayco

    Saint Louis, MO
    1 day ago
  • $115k - $160k

     ...range $115,000.00/yr - $160,000.00/yr Senior Project Manager (Mechanical/Industrial Construction) Hybrid...  .../Industrial Construction & Engineering firm, servicing clients throughout...  ...and Industrial facilities including Mission Critical/Data Centers, Pharmaceutical Manufacturing... 
    Senior
    For contractors
    For subcontractor
    Local area
    Flexible hours

    Jobot

    Saint Louis, MO
    1 day ago
  •  ...world? We believe building engineering is more than systems and structures...  ..., you’ll help design the critical infrastructure that supports...  .... We bring together mechanical, electrical, structural, and...  ...excellence. In the role of Senior Mechanical Engineer, we’ll count... 
    Senior
    Full time
    Contract work

    HDR

    Saint Louis, MO
    3 hours ago
  • General Purpose The Senior Mechanical Engineer develops new, advanced, and updated mechanical systems for vertical and horizontal form/fill/seal...  ...a machine system or subsystem. Demonstrated effective critical thinking, analytical, and problem-solving ability. Ability... 
    Senior
    Work at office
    Shift work

    BW Packaging

    Saint Louis, MO
    1 day ago
  • PARIC is seeking a Senior Project Manager in St. Louis to lead MEP systems on complex projects. You will provide technical guidance and mentorship, ensuring systems are delivered on time and meet quality standards. The ideal candidate has over 10 years of construction... 
    Senior

    PARIC

    Saint Louis, MO
    1 day ago
  • Leidos Inc is seeking a Senior Systems Administrator for its IT operations team in St. Louis, MO. This role focuses on managing, supporting, securing, and optimizing high-performance systems crucial for intelligence and geospatial initiatives. Qualified candidates should... 
    Senior

    Leidos Inc

    Saint Louis, MO
    3 days ago
  • A leading building engineering consultancy is seeking an Associate, Senior Mechanical Engineer in St. Louis. The role requires managing client relationships, leading...  ...are provided, aligning with the company’s mission to empower changemakers. #J-18808-Ljbffr Introba
    Senior

    Introba

    Saint Louis, MO
    1 day ago
  • $175k - $235k

     ...system.  Across five countries are 1,100 engineers, designers, and consultants...  ...We’re looking for an experienced Senior Mechanical Engineer to join our organization, which...  ...levels of responsibility delivering mission critical infrastructure services focused on Enterprise... 
    Senior
    Remote job
    Temporary work
    For contractors
    For subcontractor
    Work at office
    Local area

    TYLin

    Saint Louis, MO
    more than 2 months ago
  • $105k - $145k

     ...Process Mechanical Lead Engineer At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-... 
    Full time
    Work at office
    Remote work
    Worldwide

    Jacobs Solutions

    Saint Louis, MO
    2 days ago
  •  ...Trinnex is seeking a Senior Cyber Security Analyst to protect software systems critical for water utilities. This role involves advanced threat detection and vulnerability management within a DevSecOps environment. The ideal candidate will have a Bachelor's Degree and... 
    Senior

    Trinnex

    Saint Louis, MO
    1 day ago
  • A staffing agency is seeking a Mechanical Project Engineer in St. Louis, Missouri. The role involves design and maintenance support for equipment and facilities, focusing on pneumatics and hydraulics. Ideal candidates should hold a Bachelor's in Mechanical Engineering with... 
    Senior

    Chembular Manpower

    Saint Louis, MO
    1 day ago
  • BDI - Bohn and Dawson, Inc. is seeking a full-time Manufacturing Engineer based in St. Louis, MO. The role involves implementing and maintaining manufacturing processes, requiring a minimum of a four-year engineering degree and extensive experience in manufacturing processes... 
    Senior
    Full time

    BDI - Bohn and Dawson, Inc.

    Saint Louis, MO
    1 day ago
  •  ...construction cost estimates. The Senior Estimator leads and trains...  ...of Science Degree in Engineering, Construction Management or...  ...Plumbing and Fire Protection Mechanical Estimating experience,...  ...Manufacturing, Consumer Product Goods, Mission Critical, Municipal, Education,... 
    Senior
    For subcontractor

    The Haskell Company

    Saint Louis, MO
    1 day ago
  • A leading packaging solutions provider in St. Louis is seeking a Senior Mechanical Engineer to design and develop mechanical systems for form/fill/seal machines. Candidates should have a Bachelor’s Degree in Mechanical Engineering and at least 10 years of experience. Responsibilities... 
    Senior

    BW Packaging

    Saint Louis, MO
    1 day ago
  • $117.71k - $147.08k

    A leading design firm is seeking a Mechanical Engineer with over 10 years of experience to join their remote team. You will lead HVAC design projects for various sectors, providing technical guidance to the team and interfacing with clients. Ideal candidates will hold a... 
    Senior
    Remote job

    CannonDesign

    Saint Louis, MO
    2 days ago
  •  ...The ideal candidate will have at least 2 years of ECMO experience and 4 years in ICU nursing. Responsibilities include monitoring critical patients and providing resources to bedside specialists. This position offers a comprehensive benefits package starting on the first... 
    Senior

    BJC HealthCare

    Saint Louis, MO
    4 days ago
  • Nestlé S.A. in St. Louis is seeking a Senior Mechanical Packaging Specialist to design and optimize packaging systems for wet and dry pet food products. You will mentor junior engineers and collaborate with R&D, marketing, and production to ensure compliant, high-quality... 
    Senior

    Nestlé S.A.

    Saint Louis, MO
    4 days ago
  •  ...established and rapidly growing HVAC and machinery manufacturing organization in the St. Louis region looking to hire multiple Mechanical Engineers from level I to IV. They are currently expanding the mechanical team to support the design and development of new advanced... 
    Senior
    Work at office
    Relocation package

    DSJ Global

    Saint Louis, MO
    1 day ago

Do you want to receive more vacancies?

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