Associate Principal , Process Mechanical
Sky Mavis
About LJC LJC Design & Engineering (LJC) 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. The Role This role is ideal for a highly technical engineering leader with strong industrial process knowledge, sound engineering judgment, and an entrepreneurial mindset. You will lead process design efforts for complex industrial projects, collaborating closely with multidisciplinary teams to deliver safe, efficient, and innovative process solutions that align with our clients’ operational goals. Specifics of the Role Lead process engineering design efforts for pet food, meat processing, and industrial manufacturing projects Develop project scopes and establish process design basis documentation 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 process designs across all project phases Interpret plant operating data and develop process solutions, often utilizing engineering assumptions and judgment in early project stages Ensure process systems are designed safely, efficiently, and in alignment with client operational requirements Utilize and enhance internal engineering tools and standards to support execution efficiency Perform process calculations and simulations using software such as AFT Fathom, AFT Arrow, HTRI, and similar process engineering tools Coordinate with vendors, clients, and internal teams to support equipment selection, process integration, and project execution Support construction, commissioning, startup, and troubleshooting activities as needed Mentor junior engineering staff and contribute to the development of engineering best practices Requirements Bachelor of Science in Chemical Engineering or Mechanical Engineering from an ABET‑accredited university or college 8–15+ years of experience in process engineering within industrial manufacturing environments Successfully passed the Professional Engineer (PE) exam Strong understanding of process engineering principles, industrial systems, and process safety Experience developing PFDs, P&IDs, process calculations, and equipment specifications Familiarity with lean manufacturing or lean process methodologies Experience with field construction support, commissioning, and process startup activities preferred Strong engineering judgment and ability to design effectively with incomplete or evolving information Excellent communication, leadership, and collaboration skills Entrepreneurial mindset with the ability to thrive in a fast‑paced, design‑build environment Benefits Discretionary annual bonus subject to company and individual performance Comprehensive benefits package including medical, dental and vision plans, 401(k), generous PTO and paid holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more Compensation Salary range for this position is determined by factors such as education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are made on a case‑by‑case basis. #J-18808-Ljbffr Sky Mavis
- ...Mechanical Engineer Responsible for supporting regional capital investment projects in the Americas Region, specifically at our site... ...to support manufacturing, engineering, HSE and marketing/sales processes in accordance with the safety, environmental, and economic...PrincipalMechanical
- ..., food & beverage, healthcare, heavy industrial, industrial process, and water industries.We build the critical structures that... ...opportunitiesPosition OverviewThe Senior Design Integration Associate (Mechanical / Civil) is responsible for supporting the successful execution...MechanicalFull timeWork at office
- ...considerable knowledge of spreadsheet, word processing and design software; extensive skill in... ...:Bachelor's degree in Civil, Chemical, Mechanical, Electrical, or Environmental... ...;deal effectively and courteously with associates and a wide variety of external contacts...MechanicalFor contractors
- CDG Engineers, Inc. is seeking a Mechanical Engineer to design and implement complex HVAC, plumbing and industrial process systems. The hybrid role allows work from our St. Louis, MO headquarters or Charlotte, NC office for a full-time position. You will lead design efforts...MechanicalFull timeWork at office
- Donohue & Associates, Inc. in the upper Midwest invites applications for a Process-Mechanical Engineer with extensive water/wastewater project leadership. You will guide clients and our project teams through planning, design, construction, and operations for water and wastewater...Mechanical
- ...Process-Mechanical EngineerOur Process-Mechanical Engineer position offers an exciting opportunity for the selected candidate to be part of Donohue & Associates, a firm with national water/wastewater expertise in a small company environment. We are seeking an experienced...Mechanical
- ...culture, presenting great opportunities for personal development and career advancement across the globe. Position: Senior Associate Scientists - Process Development Employer: Sigma-Aldrich Manufacturing LLC Address: 400 Summit Drive, Burlington, Massachusetts 01803 Job...Work experience placementFlexible hours
$49 per hour
...Louis, MO (63110), you’ll be the steady hand behind our metal processing operations—keeping complex machines humming and production on... ...line. You trace the issue through electrical prints, verify the mechanical assembly, adjust a pneumatic circuit, and bring the asset back...MechanicalShift workNight shift- ...Missouri, is seeking a highly technical engineering leader to lead process design efforts in industrial projects. This role involves... ...operations. The ideal candidate has a Bachelor's in Chemical or Mechanical Engineering, 8-15+ years of industry experience, and a strong...Mechanical
$94.9k - $135.6k
Job SummaryThe Principal Engineer is a individual contributor who leads mechanical and electromechanical design for medical device development programs. This role is... ...collaboration, first article inspections, process validation support, and production transfer.Experience...PrincipalMechanicalFull timeContract workTemporary workLocal areaImmediate start- ...Process EngineerGrow boldly with Pretium!Pretium Packaging is searching for a talented, hands-on Process Engineer for our... ...perimeters for best efficiency.What you'll bring:Bachelor's or associate's degree in mechanical/plastics engineering or related field.Reheat blow process...Mechanical
$105k - $145k
...Process Mechanical Lead EngineerAt Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for... ...region. This will include specifications and plan development associated with pumping stations and treatment plant upgrades and expansions...MechanicalWork at officeRemote workWorldwide- ...owned company in power solutions is seeking an experienced HRSG Process Specialist to join their Thermal Design Team in Fenton, MO.... ...design. Applicants must have a four-year degree, preferably in mechanical or chemical engineering, and at least 12 years of experience in...MechanicalFlexible hours
- Senior Water/Wastewater Process Engineer/Project Manager This position offers an exciting... ..., including pumping, process and mechanical piping, and related valves and process... ...participation in related professional associations a plus. Requirements M.S., B.S. in Environmental...Mechanical
- ...Senior Process Engineer – Liquid SystemsCRB is a leading provider of sustainable Engineering, Architecture, Construction and Consulting... ...initiatives.QualificationsBachelor's degree in Chemical, Mechanical, or Process Engineering (ABET-accredited)5+ years of experience...Mechanical
$24 - $41 per hour
...to work in the US. Your Role The GMP Associate Production Scientist - Day Shift at the... ...perform tasks/assignments. Perform routine processes and unit operations. Clean equipment... ...Office (Word, Outlook, Excel, etc.). Mechanical and troubleshooting skills. Knowledge...MechanicalWork at officeShift workDay shift- ...full-time, non‑tenure track faculty position in Mechanical Engineering at the rank of Assistant Teaching Professor or Associate Teaching Professor, beginning as early as... ...official transcripts required later in the hiring process Sponsorship Information Applicants must be...MechanicalFull timeTemporary workSummer workWork at officeWork visa
$25 - $45 per hour
...standards of quality and compliance in our ADC manufacturing processes. As an Associate Production Scientist - Rotating Shift you will... ...Experience with Microsoft Office (Word, Outlook, Excel, etc.). Mechanical and troubleshooting skills. Knowledge of cGMP and ICH Regulatory...MechanicalContract workWork at officeShift workNight shiftRotating shift$110.35 per hour
...We are a national staffing firm and are currently seeking a Principal Project Engineer for a prominent client of ours. This position... ...renovating lab spaces in life science/pharma industry ~ Strong mechanical or electrical background ~ Experience with RFIs, reviewing...PrincipalMechanical- ...Manufacturing Process TechnicianWatlow is a global technology and manufacturing leader who provides world class engineering expertise... ....Ability to read and interpret engineering drawings, mechanical prints, and basic wiring diagrams.Familiarity with manufacturing...MechanicalTemporary workShift work
$135k - $195k
...Process Mechanical Discipline LeadAt 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-edge...MechanicalFull timeFor contractorsRemote work- ...Process EngineerThis is an exciting opportunity as a Process Engineer that will serve as... ...tools such as Fishbone, 5-Why, FMEA) on mechanical, automation, environmental and process deviations... ....Career development path toward Principal Engineer or technical leadership roles....MechanicalPermanent employment
- ...Process Controls EngineerBW Design Group is a fully integrated architecture, engineering, construction, system integration, and consulting... ...Rockwell Automation hardware and software.Experience with Mechanical, Electrical and Process (MEP) systems and working with MEP...MechanicalFor contractorsWork experience placementFlexible hours
$96.56k - $144.84k
...difference, there’s only one choice.Principal Electrical Designer Leads... ...with engineering execution processes, including design basis... ...requirements with process, mechanical, piping, civil/structural, instrumentation... ...:Required Qualifications:Associate Degree in Design or Drafting...PrincipalMechanicalFor contractorsLocal area- ...Principal Process Controls EngineerBW Design Group is a fully integrated architecture, engineering, construction, system integration, and... ...industry events.Bachelor's degree in Electrical, Chemical, or Mechanical Engineering (Master's and/or Professional Engineer (PE)...MechanicalFlexible hours
- Career Opportunities with Donohue & Associates A great place to work. Current job opportunities... ...available. Senior Water/Wastewater Process Engineer/Project Manager This position offers... ...systems, including pumping, process and mechanical piping, and related valves and process...MechanicalTemporary workFlexible hours
- ...excellence. Our integrated approach combines engineering expertise, process knowledge, and project delivery excellence to create world-... ...Qualifications Bachelor's degree in Chemical Engineering, Mechanical Engineering, Biological Engineering, Food Engineering, or a related...Mechanical
- Arch Precision, LLC in Missouri is seeking a Mechanical Engineer to develop and maintain detailed work instructions, SOPs, and process flow charts while driving continuous improvement across production lines. You will collaborate with suppliers, utilize Autodesk Inventor...Mechanical
- ...The Role We Want You For The Senior Mechanical Engineer / Stress Analysis Engineer is... ...piping systems supporting industrial and process facilities. This position serves as... ...project execution. Reporting to the Associate Principal Process Mechanical, this role provides...MechanicalFor contractorsCasual workWork at officeFlexible hours
- ...to maintain and repair electromechanical production equipment. You will perform preventive and corrective maintenance, diagnose mechanical, electrical, and electronic faults, and run inspections and functional tests to ensure safe operation. You will document work, parts...Mechanical
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Associate Principal , Process Mechanical. Be the first to apply!
- community outreach associate Saint Louis, MO
- utility associate Saint Louis, MO
- part time associate Saint Louis, MO
- portfolio associate Saint Louis, MO
- associates degree in criminal justice Saint Louis, MO
- task associate Saint Louis, MO
- associates degree business Saint Louis, MO
- remote associate Saint Louis, MO
- publishing associate Saint Louis, MO
- weekend associate Saint Louis, MO

