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

Mechanical Engineer PE I

$101.61k - $152.66k

ENFRA LLC

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 I (PE I) applies fundamental engineering principles to design, analyze, and support mechanical systems for energy and infrastructure projects across hospital and college campuses. This includes developing code-compliant, constructible designs for HVAC, hydronic, thermal plant, and energy systems within defined project scopes. The PE I collaborates with multidisciplinary teams to coordinate designs with existing facilities, supports permitting and procurement efforts, and responds to field conditions. Responsibilities include preparing calculations, drawings, and specifications, maintaining design documentation, and contributing to systems that meet performance, reliability, and energy efficiency objectives consistent with ENFRA's design-build delivery model.

Responsibilities

  • Responsible for signing and sealing engineering documents, as applicable.
  • Performs analysis, design, and evaluation of mechanical systems (HVAC, hydronic, energy systems, etc.).
  • Prepares calculations, drawings, and specifications under established standards.
  • Assists with the creations of detailed system configurations and control schemes with emphasis on long-term energy savings.
  • Conducts field investigations and supports site visits. Coordinates and plans 3D laser scanning effort.
  • Assists in project execution, including coordination with internal teams.
  • Applies engineering techniques within defined assignments.
  • Performs work under general supervision.
  • Handles moderately complex issues; escalates more complex problems to senior staff.
  • Begins developing client interaction skills in supported setting.
Qualifications

Required Education, Experience, and Qualifications
  • Bachelor's degree in architectural engineering, mechanical engineering, or related field
  • 5+ years of design experience
  • Professional Engineer (PE) License
  • Working knowledge of mechanical engineering systems and design principles
  • Strong analytical, problem-solving, and mathematical skills
  • Proficiency in engineering software and tools
  • Effective verbal and written communication skills
  • Detail-oriented with ability to manage multiple tasks
Preferred Education, Experience, and Qualifications
  • Experience in energy infrastructure, ESCO, or EaaS projects.
Travel Requirements
  • 10-25% of time will be spent traveling to job sites.
Physical/Work Environment Requirements
  • Prolonged 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-SR1

Pay Range

USD $101,610.00 - USD $152,662.00 /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.
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Mechanical Engineer PE I in Philadelphia, PA vacancy
  •  ...Senior Mechanical Engineer | Philadelphia, PA 100% Employee-Owned • Big-firm resources, local-team relationships, ONE IMEG culture...  ...Engineering, or equivalent, required ~ Professional Engineer (PE) License required ~7 years of experience minimum... 
    Suggested
    Full time
    Contract work
    Local area
    Flexible hours
    Night shift

    IMEG Corp

    Philadelphia, PA
    3 days ago
  •  ...Senior Mechanical Engineer (PE) An established engineering consulting firm is seeking an experienced Senior Mechanical Engineer (PE) to join its growing team. This role offers the opportunity to lead HVAC and mechanical system design for a diverse portfolio of commercial... 
    Suggested

    Liberty Personnel Services, Inc.

    Upper Dublin, PA
    15 hours ago
  •  ...Mechanical Engineer (EIT/PE // CPD) Join a leading multidisciplinary firm delivering expert engineering solutions to new and existing building challenges across Ohio! At TYG, our approach is simple: to connect the right people with the right opportunities on their... 
    Suggested
    Remote work
    Relocation package
    Flexible hours

    TYG

    Philadelphia, PA
    2 days ago
  • $92k - $151.8k

     ...Project Manager/Engineer Remington and Vernick is seeking a licensed Professional Engineer (PE) with a minimum of 8 years of experience in HVAC/mechanical, plumbing, and fire protection systems design, including fire alarm systems, to join our growing MEP team as a... 
    Suggested
    Full time
    Temporary work
    For contractors
    Local area

    Remington & Vernick Engineers

    Cherry Hill, NJ
    15 hours ago
  •  ...Job Description Job Description Bachelor's Degree (BS) in Mechanical Engineering PE License preferred. Minimum of 5 - 10 years’ experience Experience with HVAC systems, plumbing and fire protection Required knowledge of AutoCAD and preferably REVIT software... 
    Suggested
    Long term contract
    Local area

    Miller-Remick

    Philadelphia, PA
    a month ago
  •  ...your community, but around the world. HDR is seeking a Senior Mechanical/Process Engineer to support our growing portfolio of liquified natural gas (...  ...of the position offered. Example: Professional Engineer (PE or P.Eng) license.Strong knowledge of Microsoft Office, MS... 
    For contractors
    Work at office

    HDR

    Philadelphia, PA
    4 days ago
  •  ...seeking an experienced Process Equipment Engineer to provide technical oversight of process...  ...piping systems, containment systems, and mechanical integration activities within the Bioconjugate...  ...activities.Professional Engineer (PE) license.Decarbonization - Energy Transition... 
    Full time
    Local area
    Flexible hours

    KBR

    Philadelphia, PA
    3 days ago
  •  ...THE WORK: Support delivery of Industrial and Automotive reinvention, with a focus on realizing complex large scale manufacturing engineering initiatives. This includes transformation of large brownfield plants, design of greenfield plants and preparing for new product launches... 
    Full time
    Work experience placement
    Live in
    Work at office
    Local area

    Accenture

    Philadelphia, PA
    3 days ago
  • $50 per hour

     ...facilities for test equipment setup. Works from blueprints, performance specifications, models, parts, and other pertinent quality or engineering information; consults with design engineers and suggests design changes to facilitate test operations; investigates availability... 
    Hourly pay
    Full time
    Temporary work
    Work experience placement
    Interim role
    Casual work
    Flexible hours

    Lockheed Martin

    Moorestown, NJ
    2 days ago
  • $110k - $168k

     ...solutions for the consulting, architecture, engineering, project controls, procurement,...  ...industry. We are looking for a talented Senior Mechanical Engineer to join our team at our...  ...Preferred QualificationsProfessional engineer (PE).Physical DemandsMust be able to stand,... 
    For contractors
    Work at office
    Flexible hours
    Night shift

    Integrated Project Services

    Blue Bell, PA
    3 days ago
  • OverviewColliers Engineering & Design is seeking a Senior Mechanical Engineer to join the Building Engineering Services group in our Philadelphia, PA office....  ...certification required, but a Professional Engineer (PE) license is desirable.Possess an advanced skill level... 
    Temporary work
    Work at office

    Colliers Engineering & Design

    Philadelphia, PA
    15 hours ago
  • OverviewColliers Engineering & Design is seeking a Mechanical Engineer to join the Building Engineering Services team in our Philadelphia, PA office. The Mechanical Engineer will work alongside engineers and architects as part of a design team applying mechanical engineering... 
    Temporary work
    Work at office

    Colliers Engineering & Design

    Philadelphia, PA
    15 hours ago
  • About Exponent Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve...  ...responsible for the analysis of transportation accidents, mechanical failures, and the design of consumer and industrial products.... 
    Work at office
    Flexible hours

    Exponent

    Philadelphia, PA
    1 day ago
  • About Exponent Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve...  ...globally Our Opportunity We are currently seeking a Mechanical Engineer for our Mechanical Engineering Practice in... 
    Work at office
    Flexible hours

    Exponent

    Philadelphia, PA
    15 hours ago
  • $75k - $142.76k

     ...re DoingAt Lockheed Martin’s Moorestown, New Jersey location, our Launchers Engineering Team within the Sensors, Effectors, and Mission Systems (SEMS) organization develops advanced mechanical systems that support naval and missile launcher technologies. We are focused... 
    Full time
    Temporary work
    Work experience placement
    Interim role
    Casual work
    Work at office
    Flexible hours

    Lockheed Martin

    Moorestown, NJ
    1 day ago
  • $91.4k - $125.6k

     ...manufacturing, life sciences, and industrial projects. As a Mechanical Engineer based in Pittsburgh or Philadelphia, Pennsylvania, you'll contribute...  ...software such as Trane Trace or HAPProfessional Engineer (PE) license or ability to obtain reciprocity within 6... 
    Full time
    Remote work

    Jacobs

    Philadelphia, PA
    3 days ago
  • $146.4k - $219.6k

     ...Wednesday August 19th, 2026 at 9:46 AM | Expires Thursday, December 31st, 2026 at 12:59 AM Position Summary: A Senior Mechanical Engineer in our Mission Critical practice will have the opportunity to design the most complex advanced building systems, prepares design... 
    For contractors
    Casual work
    Work at office
    Remote work
    Flexible hours

    Henderson Engineers

    Philadelphia, PA
    4 days ago
  • $120k - $140k

     ...The Mechanical Design Engineer III is responsible for assisting in the successful implementation of projects and provides technical support to the design and fabrication departments. For the currently available positions, Holtec is seeking engineers with experience... 
    Contract work
    Immediate start
    Flexible hours

    Holtec International

    Camden, NJ
    1 day ago
  • $77.09k - $96.37k

     ...Mechanical Engineer I Pennsauken, NJ | Full-Time Medical Manufacturing Technologies (MMT) is a globally recognized, vertically integrated provider of automated, process-driven medical device manufacturing solutions. We deliver the precision equipment that helps medical... 
    Full time
    Local area

    MMT INC

    Pennsauken, NJ
    3 days ago
  •  ...Mechanical Engineer For Plumbing System Design We're partnered with a multidisciplinary engineering firm looking to bring on a Mechanical...  ...technical side of design and wants to continue developing toward a PE track in a stable, team-oriented environment. Key... 

    RimePro Inc

    Cherry Hill, NJ
    2 days ago
  •  ...Mechanical Engineer Colliers Engineering & Design is seeking a Mechanical Engineer to join the Building Engineering Services team in our Philadelphia, PA office. The Mechanical Engineer will work alongside engineers and architects as part of a design team applying mechanical... 
    Temporary work
    Work at office

    Terra Consulting Group LTD

    Philadelphia, PA
    4 days ago
  •  ...capability and manages such work. Review engineering designs prepared by architect-engineer...  ...do the work of the position, such as: Mechanical Engineering. OR Superior Academic...  ...or licensure as a Professional Engineer (PE) by any State, the District of Columbia,... 
    Permanent employment
    Full time
    Contract work
    Temporary work
    Part time
    For contractors
    Internship
    Local area

    US Army Corps of Engineers

    Philadelphia, PA
    4 days ago
  •  ...Mechanical Engineer Position Required Skills & Experience: Degree in Mechanical Engineering (BS minimum, MS preferred) 4-8 years of hand-on engineering development experience with electromechanical systems CAD program experience GD&T knowledge Experience with mechanical... 

    Insight Global

    Willow Grove, PA
    4 days ago
  •  ...A manufacturer of optical equipment located in Oreland, PA is seeking a Mechanical Engineer to join their team. The company manufactures spectrophotometer cells from optical glass, borosilicate glass and fused silica. The ideal candidate will have 5+ years experience,... 

    Penn Technical Staffing

    Oreland, PA
    15 hours ago
  • $62.5k

     ...Entry-Level Mechanical Engineer At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical infrastructure...  ...coordination tools. Interest in pursuing professional licensure (PE). Posted Salary Range: Minimum $62,500.00 Posted Salary... 
    Full time
    Internship
    Work at office

    Jacobs Solutions

    Philadelphia, PA
    3 days ago
  • $75k - $142.76k

     ...CSEDS Facilities and Operations Team. CSEDS is the Combat System Engineering Development Site in Moorestown NJ, owned by the US Navy and...  ...for this position are required to possess a background in mechanical engineering with experience in equipment installation and activation... 
    Full time
    Contract work
    Temporary work
    For contractors
    Work experience placement
    Work at office
    Flexible hours

    Lockheed Martin Corporation

    Moorestown, NJ
    15 hours ago
  •  ...NDI Engineering Company is seeking Mechanical Engineers to support propulsion systems onboard U.S. Navy Vessels. The ideal candidate will have experience in Main Reduction Gear (MRG), Propulsors, Propellers, Shafting, Waterjets, Rudders, Bow Thrusters, Dehumidifiers, and... 
    Contract work
    For contractors
    For subcontractor
    Work at office

    NDI ENGINEERING COMPANY

    Philadelphia, PA
    15 hours ago
  • $85k - $115k

     ...Mechanical Engineer III Company Name: RTM Engineering Consultants Location: Orlando, FL | Phoenix, AZ | Ambler, PA | Boston, MA Project...  ...Preferred Qualifications Active Professional Engineer (PE) license or EIT certification on track for licensure.... 
    Work at office

    Luxus

    Ambler, PA
    2 days ago
  •  ...Lead Engineer Job Scope: Generally responsible for supervision and technical direction over a team of engineers and designers. As...  ...lead engineer, responsibilities include total delivery of the mechanical deliverables and services on time, within performance budget and... 

    Hargrove Engineers + Constructors

    Philadelphia, PA
    1 day ago
  • $79.01k - $98.45k

     ...Mechanical Engineer This is a full-time, CASA role. The salary grade for this posting is 0645. The salary range is $79,010 to $98,447. Please note that all applicants who are new to CASA will begin on the first salary step. Please note that the final salary will be... 
    Full time
    Contract work
    For contractors
    Work at office

    The School District Of Philadelphia

    Philadelphia, PA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mechanical Engineer PE I. Be the first to apply!