Associate Principal, Mechanical
Ross & Baruzzini
**WHERE PASSION + PURPOSE ALIGN**We are the curious. Problem solvers. Driven to unlock the potential in every system. Across five countries are 1,100 engineers, designers, and consultants collaborating to elevate the human experience, create more resilient communities, and protect the health of the planet. We transform the built environment by creating dynamic solutions — living systems — that are smart, resilient, and connected.At Introba, this is why we show up every day. To use our curiosity for good. To inspire change. To empower changemakersIntroba provides world-class building engineering design, analytic, and consulting services at all scales, specializing in net-zero first thinking. Through the cultivation of thought leadership, we deliver sustainable and forward-thinking solutions to the most complex design challenges facing the world’s leading clients and partners.# **Job Summary**We are seeking an Associate, Mechanical, in our St. Louis, MO office. The ideal person will have experience in Healthcare, Government, Education, Data Centers or Commercial Projects. This position will be responsible for leading the mechanical design of projects in collaboration with a Project Management Team from initial project development through project completion.# **Responsibilities & Qualifications**## **Responsibilities:*** Maintain and grow client relationships.* Be the point of contact and lead on complex projects.* Collaborate with Director of Operations on resource management for assigned projects.* Experience compiling and writing fee proposals, project interviews.* Responsible for managing scope, schedule and budget of assigned projects.* Effectively coordinate schedules for all disciplines.* Lead project kickoff meeting.* Effectively maintain reports and dashboard in Deltek Vision.* Consulting responsibilities including participation in due diligence, energy studies, and feasibility reports.* Represent Introba by attending meetings and presentations.* Design and engineer HVAC systems for new installations, system retrofits, system replacement, and system upgrades.## **Qualifications:*** Bachelor’s Degree in Mechanical Engineering.* Professional Engineer license required.* 12+ years significant project experience with an emphasis on projects in the Healthcare, Higher Education, Government, Data Centers or Commercial Markets.* Demonstrated technical proficiency in several of our mechanical focus areas: central chilled water & boiler plants, large air handling systems, data centers and critical facilities, energy modeling and cost benefit analysis, steam and hydronic distribution systems, building energy management systems, ASHRAE standards and guidelines.* Project Management experience strongly desired# **Additional Information**#LI-DNP**Introba** offers a comprehensive total rewards package. Our benefits may include medical\*, disability\* and life insurance coverage\*, continuing education benefits, paid time off, employee assistance program and a retirement savings plan with company matching contributions. \*Benefits will vary by country location and may only be available in US or Canada.We encourage all candidates to explore our total rewards offering.Collaboration, mission-driven focus, discipline, and leadership skills developed through military service benefit us all. Whether you are a Veteran, Guardsman or Reservist, a Military Spouse or you are planning to transition to civilian life in the near future, we welcome and value your application.**Introba** is an equal opportunity employer, and we prohibit discrimination and harassment of any type as protected by federal, provincial, state or local laws. We celebrate diversity and are committed to creating an inclusive environment for all employees. The company and its employees are required to comply with all local health authority, legal or lawful client requirements.As a leader in our industry, we also offer **competitive salaries, benefits, and professional development** **incentives**.If you’re looking for a career that combines your **passion** for innovation with an environmental **purpose**, we encourage you to join our **change-making** team. #J-18808-Ljbffr Ross & Baruzzini
- A leading engineering consultancy in St. Louis is seeking an experienced Associate, Mechanical, to lead and design HVAC systems for various projects, including healthcare and commercial sectors. The ideal candidate will hold a Bachelor's in Mechanical Engineering, possess...PrincipalMechanical
- ...Create and review Process Flow Diagrams (PFDs), material balances, and Piping & Instrumentation Diagrams (P&IDs) Specify process mechanical equipment and support instrumentation design activities Collaborate with discipline leads to ensure successful implementation of...PrincipalMechanicalCasual workFlexible hours
- ...SummaryWe’re looking for an experienced Senior Mechanical Engineer to join our organization,... ...with the business unit managing principal and the technology division leadership... ...customer and industry organizations and associations.Maintain a high level of knowledge of Introba...PrincipalMechanicalTemporary workFor contractorsFor subcontractorLocal area
- ...Mechanical Engineer Responsible for supporting regional capital investment projects in the Americas Region, specifically at our site in Idaho. Shares ownership with other team members for successful project outcomes. Ensure compliance with industry and Bayer engineering...PrincipalMechanical
- Join Ross & Baruzzini as an Associate Principal in Mechanical Engineering focused on Data Center design. The ideal candidate has 15-20 years of experience in delivering mechanical solutions, mentoring teams, and participating in client relationships. The role involves managing...PrincipalMechanicalRemote job
- A leading engineering design firm in St. Louis, MO is looking for a Principal Mechanical to oversee project management and design quality. The role requires a minimum of 15 years in Mechanical building systems with a Professional Engineering License. Responsibilities include...PrincipalMechanical
- ...buildings, construction projects, and equipment. The Maintenance Associate will respond to requests and concerns and identify unsafe and... ...preferred Knowledge of the general construction trades, mechanical repair and maintenance. To be considered a candidate MUST fit...MechanicalOdd jobLive in
- ...PMLocation: Brentwood, MOWe are seeking a dependable Facilities Associate to support the daily operations and upkeep of our Brentwood... ...maintenance, warehouse, or facilities experience preferredBasic mechanical aptitude is helpfulHVAC experience is a plus, but not...MechanicalFull timeMonday to FridayWeekday work
$54k - $142k
...Boeing Engineering Entry-level, Associate and Mid-level Positions Company: Boeing has shaped the course of human history through... ...Electrical Engineering, Flight, Materials and Process Engineering, Mechanical / Structural Engineering, Production and Industrial...MechanicalPermanent employmentInternshipRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift- ...Job Title: Facilities Associate Job Status: Non-Exempt Job Location: 70 Corporate Woods Dr. Reports To: Facilities Supervisor Job Summary... .... This role requires a hands‑on individual with strong mechanical and general maintenance skills, capable of performing a wide range...MechanicalContract workTemporary workWork at officeLocal areaImmediate startRelocationMonday to FridayAfternoon shift
$112.32k - $168.48k
...minds to make a real difference, there’s only one choice. Principal Electrical Engineer At Bayer Crop Science, innovation in seed... ...deliver measurable operational value; Working closely with mechanical, software, imaging, and biological teams, you guide the development...PrincipalMechanicalLocal area- Position: Sr. Architectural Manager and Principal or Associate Principal - Healthcare Studio Location: St. Louis, MO; Chicago, IL Job ID: 3358 # of Openings: 1 Job Overview We are seeking an entrepreneurial leader to drive the strategic growth and market leadership...PrincipalContract workTemporary workWork at officeFlexible hours
$95.5k - $176.5k
At Fluor, we are proud to design and build projects and careers. We are committed to fostering a welcoming and collaborative work environment that encourages big-picture thinking, brings out the best in our employees, and helps us develop innovative solutions that contribute...PrincipalMechanicalFor contractorsLocal area- ...Technologies is expanding our Digital Engineering practice and seeking a Principal Solutions Architect to lead high‑impact Product Lifecycle... ..., and solution strategy. Requirements Bachelor’s degree in Mechanical Engineering, Manufacturing Engineering, Computer Science,...PrincipalMechanical
$65.25k - $169.4k
Responsibilities The Principal Associate QA-FUME is responsible for providing oversight to Houston facilities, utilities, maintenance and equipment. This position is essential for ensuring GMP compliance in the design, delivery, verification, qualification, and start up...PrincipalFull timeH1bLocal areaVisa sponsorshipWork visaMonday to FridayFlexible hours$54k - $142k
...Boeing Engineering Entry-level, Associate and Mid-level Positions Company: Boeing has shaped the course of human history through... ...Electrical Engineering, Flight, Materials and Process Engineering, Mechanical / Structural Engineering, Production and Industrial...MechanicalPermanent employmentFull timeInternshipRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift$139k - $258k
...acquired in the field. The purpose of this position is to provide technical expertise in multiple areas of Process Technology or Mechanical Systems Engineering design. The role leads other engineers in executing project assignments and may oversee several teams of engineers...PrincipalMechanicalContract workFor contractorsLocal area- ...Job Description Job Description Job Description Position Title Associate Principal Scientist - Bioanalysis We are looking for an accomplished scientist to join our growing drug discovery DMPK and Small Molecule Bioanalysis team. Our site has grown to 1...Principal
- ...leading clients and partners. Job Summary Introba is seeking a Principal, Mechanical, to join our growing team in St. Louis, MO.... ...in this is participating in seminars and / or professional associations, attend trade shows relevant to company’s interests. Company...PrincipalMechanicalContract workWork at officeLocal area
- ...Front Desk Associate - Recreation Center The purpose of this year-round, part-time position is to work the control desk operations... ...(non-weather; 100 deg. F for 1 hour) - N Subject to oils (mechanical or food) - N Required to wear a respirator - N Fumes or...MechanicalPart timeWork at officeShift workWeekend workAfternoon shiftEarly shift
- ...Principal Project Manager Date: Jun 18, 2026 Location: St. Louis, MO, United States, 63146 About Curium... ...Must be able to work indoors and outdoors with exposure to mechanical/moving parts, hazards including corrosive, flammable and toxic...PrincipalMechanicalMonday to FridayShift work
- Principal Continuous Improvement Engineer Date: May 13, 2026 Location: St. Louis, MO, United States, 63043 About Curium Curium is the... .... Must be able to work indoors and outdoors with exposure to mechanical/moving parts, hazards including corrosive, flammable and toxic...PrincipalMechanical
$24 - $43 per hour
...applicants must be eligible to work in the US. Your Role The Associate Production Scientist - 1st shift at our Cherokee site in St. Louis... ...in high-noise environments and in close proximity to moving mechanical parts. Who You Are Minimum Qualifications Bachelor’s degree in...MechanicalImmediate startMonday to FridayShift workDay shift$135k - $175k
Principal Systems Safety Engineer Job type: Full Time · Department: Systems · Work type: On-Site St. Louis, Missouri, United States... ...Experience Knowledge of freight rail systems, operations, and legacy mechanical/pneumatic configurations. Exposure to autonomous vehicle...PrincipalMechanicalFull timeWork at officeRelocation package- ...DoD SkillBridge Internship: Associate Field Service Technician SkillBridge Host Company: Elekta, Inc. SkillBridge Provider: Vets2PM... ...aspects of engineering, from high-power RF systems, electronics, mechanical systems, vacuum systems, control systems, software, and...MechanicalInternshipFlexible hours
- ...through construction, coordination with the client, utilizing and coordinating internal resources Qualifications: ~ BS in Mechanical Engineering ~2-5 years minimum experience in a related field ~ PE or EIT required ~ LEED Accreditation a plus ~ Proficient...Mechanical
$80k - $120k
...Job Description Job Description Mechanical Engineer / Project Manager St. Louis, MO Direct Hire/ Permanent Placement $80k-$120k, Hybrid, Full Benefits, Bonuses, 401k match EPC STAFF works with Architectural, Engineering, and Construction Firms and MEP...MechanicalPermanent employment- ...Job Description Job Description Job Description This individual will provide project management and mechanical (HVAC) design services on a variety of building projects. Specific position responsibilities include, but are not limited to: Project and team management...MechanicalCasual workFlexible hours
$120k - $160k
...Job Description Job Description Senior Mechanical Engineer Senior Mechanical Engineer Position Overview A leading mechanical contractor is seeking an experienced Senior Mechanical Engineer to lead mechanical design and construction efforts for building systems...MechanicalOngoing contractFor contractorsLocal area- ...world, consistently striving for the highest standard of technical knowledge, creativity and execution. Job Description As a Mechanical Engineer III, you’ll play a key role in designing mechanical systems for complex facilities while also taking ownership of...MechanicalFor contractors
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Associate Principal, Mechanical. Be the first to apply!
- wealth strategy associate Saint Louis, MO
- safety associate Saint Louis, MO
- associate veterinarian Saint Louis, MO
- media associate Saint Louis, MO
- call center associate Saint Louis, MO
- associate attorney Saint Louis, MO
- remote associate Saint Louis, MO
- online associate Saint Louis, MO
- associate game producer Saint Louis, MO
- technology transfer associate Saint Louis, MO



