Mechanical Engineer PE III
$134.43k - $201.92kENFRA
About Us At ENFRA, we don’t just design—we deliver outcomes that transform how energy infrastructure is financed, built, and sustained.As the leader in Energy‑as‑a‑Service (EaaS), we integrate engineering, design, construction, financing, and long‑term operations into a single, accountable team—removing traditional barriers between design and execution. This means our engineers don’t work in silos or simply hand off drawings; they help shape full‑lifecycle solutions that reduce costs, improve performance, and create measurable, lasting value for our clients.Our approach goes beyond the traditional models. We combine real‑time collaboration with constructors, operators, and energy specialists to design systems that are not only technically sound—but constructible, operable, and optimized for lifecycle performance. Every project is grounded in accountability, data, and a commitment to delivering guaranteed outcomes—not just design intent.Through our EaaS model, we empower clients to modernize infrastructure without upfront capital, while achieving guaranteed savings, improved resiliency, and long‑term sustainability. Our teams play a direct role in accelerating the energy transition—delivering solutions that decarbonize facilities, enhance operations, and future‑proof critical infrastructure.At ENFRA, you’ll join a multidisciplinary team that spans the full project lifecycle—from concept through optimization—giving you the opportunity to see your work realized, measured, and continuously improved. We value practical innovation, cross‑disciplinary thinking, and engineers who want to make a real‑world impact beyond the drawing set.If you’re looking to move beyond traditional design and be part of a model that is reshaping the industry—ENFRA is where engineering meets ownership, accountability, and impact Overview The Mechanical Professional Engineer III (PE III) serves as a senior technical leader responsible for the design, coordination, and delivery of complex mechanical systems for energy and infrastructure projects for hospital and college campuses. This role leads multidisciplinary design efforts, ensuring code-compliant, constructible solutions for HVAC, hydronic, and thermal plant systems. The PE III manages project execution for assigned scopes, mentors junior engineers, and resolves complex technical and field challenges. Responsibilities include overseeing design quality, supporting permitting and procurement, and ensuring systems meet performance, reliability, and energy efficiency objectives aligned with ENFRA’s design-build delivery model. Responsibilities Responsible for signing and sealing engineering documents and overseeing technical quality.Leads the design and execution of complex mechanical systems and large-scale projects.Develops detailed system configurations and control schemes with emphasis on long-term energy savings.Establishes engineering approaches, design standards, and best practices.Provides technical oversight and review of work performed by junior staff.Manages discipline scope, schedules, and budgets on projects.Supervises the planning for field investigations and site visits. Reviews plans for 3D laser scanning effort.Leads coordination with clients, stakeholders, and external partners.Performs work independently with broad authority.Resolves highly complex technical and project challenges.Actively mentors and develops junior engineers and designers.Supports existing client relationships through technical input, proposals, and client engagement. Qualifications Required Education, Experience, and QualificationsBachelor's degree in architectural engineering, mechanical engineering, or related field10+ years of design experienceProfessional Engineer (PE) LicenseExpert knowledge of mechanical system design and applicationsStrong leadership, project management, and decision-making capabilitiesDemonstrated ability to lead multidisciplinary teamsAdvanced communication and client management skillsPreferred Education, Experience, and QualificationsMaster's degree in EngineeringExperience managing large or program-level projectsExperience in energy-as-a-service infrastructure delivery modelsTravel Requirements10-25% of time will be spent traveling to job sitesPhysical/Work Environment RequirementsProlonged periods of office work sitting at a desk and working on a computer.Ascending and descending stairs, ladders, ramps, and possibly scaffolding.Occasionally completed field survey in loud, peak/low temperatures, and/or elevated locations.Repeating motions that may include the wrists, hands and/or fingers.Field survey, including traveling to job sites, to document existing conditions and observe construction progress.Light work that includes adjusting and/or moving objects up to 20 pounds.#LI-VC1 Pay Range USD $134,430.00 - USD $201,922.50 /Yr. ENFRA is proud to be an Equal Opportunity Employer of Minorities, Women, Protected Veterans, and Individuals with Disabilities, and participates in the e-Verify program. All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, age, sexual orientation, gender identity, national origin, veteran status, disability, or any other classification protected by law.Job SummaryCategory: Engineering/DesignersPosition Type: Full-TimeRemote: No
- ...ENFRA seeks a Mechanical Professional Engineer III to lead the design and delivery of complex mechanical systems for energy and infrastructure projects on hospital and college campuses. The role requires a PE license, 10+ years of design experience, and strong leadership...Suggested
$116.86k - $175.56k
...the leader in Energy‑as‑a‑Service (EaaS), we integrate engineering, design, construction, financing, and long‑term... ...ownership, accountability, and impact Overview The Mechanical Professional Engineer II (PE II) independently applies advanced engineering techniques...SuggestedWork at office- Job Title: Mechanical Design Engineer I-Sr Lead (Nuc)PS Job Title: Engineer I-Sr Lead (Nuc)Work Place Flexibility: Onsite Legal Entity: Entergy Operations... ...-EOI **This position can be filled as an Engineer I , II , III , Sr or Sr. Lead based on experience.**Job Summary/...SuggestedTemporary workWork at officeLocal areaRelocation
- ...Orbital Engineering, Inc. in Baton Rouge, LA seeks an experienced Mechanical Engineer to contribute to single and multi-discipline projects in a hybrid office/remote setting. The ideal candidate has hands-on design experience in heavy industrial sectors and a track...SuggestedWork at officeRemote work
- ...Job Title: Mechanical Design Engineer I-Sr Lead (Nuc) PS Job Title: Engineer I-Sr Lead (Nuc) Work Place Flexibility: Onsite Legal... ...**This position can be filled as an Engineer I , II , III , Sr or Sr. Lead based on experience.** Job Summary/Purpose...SuggestedTemporary workWork at officeLocal areaRelocation
- Job Title: Engineer I-Sr (Nuc){Mechanical/Civil}Work Place Flexibility: Onsite Legal Entity: Entergy Operations, Inc.-EOI JOB SUMMARY/PURPOSEProvides... ...or equivalent, depending upon engineering level Engineer III/Technical Specialist III: 3 - 4 years experience in...Permanent employmentTemporary workWork experience placementWork at officeLocal areaRelocationVisa sponsorshipWork visa
- ...across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle,... ...sustainable solutions.Purpose:We are currently recruiting for a Mechanical Engineer II to function in a Requisition/Checking Position....Full time
- ...Knowledgeable of construction administration responsibilities including submittal review, RFI responses, performing site visits and writing field reports AutoCAD proficient; Revit experience is a plus! Bachelors in Mechanical Engineering, EIT or P.E. license preferred...For contractors
$120k - $160k
...Job Description Orbital Engineering is currently seeking an experienced Job Title Mechanical Engineer Location: Baton Rouge, LA FLSA Classification Exempt Job Description... ...Preferred Qualifications Professional Engineer (PE) certification and ability to obtain...Temporary workWork at officeRemote work- ...You will lead staff, drive project success, mentor engineers, and maintain strong client relationships in the growing... ...supports the Nuclear Services Group, requires a PE license, and knowledge of ASME B31.1 and B&PV III; familiarity with AutoPIPE/PIPESTRESS is preferred....Work at office
- Cooling CeA Cooling CE is responsible for installation, commissioning, scheduled and emergency service on Liebert Air products. The Cooling CE is required to establish, promote and maintain excellent rapport with all customers, co-workers, sales representatives and others...Work at officeLocal areaWeekend workAfternoon shift
- ...manufacturable, high-reliability motor solutions while guiding multidisciplinary teams. Requirements Requires a Bachelor's degree in Engineering and 10+ years of experience in high-performance electric motor design, specifically with ANSYS Motor-CAD. Must be a U.S. Citizen...Permanent employmentTemporary work
- ...Overview ENGINEERING A BETTER TOMORROW. Our quality engineering sustainable solutions and safety record inspire everything we do.... ...industries. Position Summary TCE is seeking a motivated Mechanical Engineer II to join our Baton Rouge LA office. This individual...Full timeWork at officeLocal areaRelocation
- ...Mezzo Technologies in Baton Rouge, LA is seeking an Engineering Project Manager to lead a small team through the full product development cycle of Mezzo micro-tube heat exchangers. You will drive technical strategy, foster cross-functional collaboration, and manage project...
- ...Carrier Enterprise is seeking an Inside Sales Engineer to support commercial contractor sales of HVAC equipment, parts, and supplies. The role can be based in Baton Rouge, Harahan, or Lafayette and requires collaborating with the commercial sales team as a technical advisor...For contractors
$95k - $130k
...Project Engineer – Heavy Civil, Marine & Rail Bridge (Travel)GPAC is recruiting for an established heavy civil contractor that builds... ...rotationRequiredBachelor's degree in Civil Engineering (preferred), Mechanical Engineering, or Construction ManagementWillingness to travel...Daily paidFor contractorsFor subcontractor- ...Enercon Services, Inc. is seeking a Mechanical Design Engineer to join our Nuclear Design Group. You’ll lead and mentor on senior or principal roles, delivering high-quality engineering for power plant projects and DOE work across multiple sites in the U.S. The role requires...
- ...peoples' lives through our products and presence in the communities in which we operate.SUMMARYAre you a newly graduated mechanical engineering student looking to GROW your career?Graduate Rotational Opportunities at Westlake (GROW) is a leadership development program...Rotational programFull timeWork at officeLocal area
- ...audits and upgrades, computer hardware and software installation, control system installation and first-time powerup inspections, engineering Factory Acceptance Tests (FAT), commissioning, loop checkout, startup support, emergency services.Providing DCS technical support...Full timeLocal areaRemote workHome officeShift workNight shift
$120k - $160k
DescriptionKforce has a client in Baton Rouge, LA that is seeking a Senior Electrical Control Systems Engineer (P.E.) to lead Electrical, Instrumentation & Controls (EI&C) projects supporting municipal and industrial facilities. This role will serve as a technical leader...Remote work- ...Orbital Engineering, Inc. is seeking an experienced Lead Mechanical Engineer in Baton Rouge, LA to manage multi-discipline projects in the heavy industrial sector. The role requires PE status, 10–15 years of experience, and strong knowledge of piping, equipment design...Work at officeRemote work
$134.5k - $185k
...Manufacturing group is seeking an experienced and hands on Preconstruction Manager - Mechanical. The Preconstruction Manager will be responsible for bridging the gap between engineering design and construction for major industrial projects. This role involves extensive...Full timeFor contractorsWork at office- ...Job Description Job Description #LI-DNI Robotics Engineer Baton Rouge, LA What we do Integer Technologies is an applied... ...degree in Computer Science, Robotics, Electrical Engineering, Mechanical Engineering or a related technical field; advanced degrees...Work at officeLocal areaImmediate startWork from homeRelocation packageMonday to Friday
- ...Entry-Level Rotating Equipment Engineer Job Purpose The Entry-Level Rotating Equipment Engineer provides technical and engineering... ...initiatives. Education Bachelor's Degree in Mechanical Engineering preferred. Recent graduates are encouraged to apply...Full timeWork at office
- RESPONSIBILITIES: Kforce has a client in Baton Rouge, LA that is seeking a Senior Electrical Control Systems Engineer (P.E.) to lead Electrical, Instrumentation & Controls (EI&C) projects supporting municipal and industrial facilities. This role will serve as a technical...Hourly payContract workRemote work
- ...Job Description Job Description Description: The Process Engineer is responsible for building, managing, and optimizing the design and production of Trecora Chemical’s processes. This role evaluates existing operations, configures manufacturing systems to reduce...
$110k - $140k
...ground up. Using AI agents, digital twins, robotics, and modern engineering tools to fundamentally change how control systems are designed,... ..., meaning time spent in the role can count toward earning a PE license in the United States, which the company actively encourages...- ...across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle,... ...facilities in the Baton Rouge/Gulf Coast market.Coordinate with mechanical, piping, instrumentation, electrical, civil/structural,...Full timeWork at officeLocal area
- ...Experience · Internship, co-op, or early work experience in engineering, project delivery, construction, or a related technical/operational... ...(e.g., Engineer-in-Training (EIT), Professional Engineer (PE), or discipline-specific certifications), where applicable. ·...Rotational programFull timeWork experience placementInternshipWork at office
- ...enable efficient and sustainable operations. Our products include mechanical seals and systems, couplings, bearings, filtration systems,... .... For over 170 years, Smiths has been pioneering progress by engineering for a better future. We serve millions of people every year,...Work at officeWorldwideMonday to Friday
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mechanical Engineer PE III. Be the first to apply!
- mechanical commissioning Baton Rouge, LA
- mechanical installation Baton Rouge, LA
- entry level mechanical design Baton Rouge, LA
- mechanical foreman Baton Rouge, LA
- mechanical sales Baton Rouge, LA
- mechanical design Baton Rouge, LA
- structural engineer pe Baton Rouge, LA
- assistant professor physical education Baton Rouge, LA
- electrical engineer pe Baton Rouge, LA
- civil engineer pe Baton Rouge, LA





