Mechanical Engineer - Plumbing Systems Designer at Pennoni in Philadelphia, Pennsylvania

Job Description:

Pennoni is hiring for a Mechanical Design Engineer with a focus on Plumbing Design to join our MEP team on a full-time, direct basis at our office in Philadelphia, PA . This person will be responsible for designing, developing, and overseeing plumbing systems for various projects (commercial, institutional, and industrial). We are looking for a detail-oriented Engineer who can collaborate effectively with multidisciplinary teams to provide innovative solutions that meet client needs!



Primary Responsibilities:

• Design and develop plumbing systems (including domestic water, sanitary, stormwater, natural gas, and specialty piping systems).
• Perform hydraulic calculations, pipe sizing, equipment selection, and layout design in accordance with local codes and standards (e.g.: IPC, ASPE, & NFPA).
• Prepare construction documents (including drawings, specifications, and schedules).
• Collaborate with Architects, Structural Engineers, and other disciplines to ensure seamless project coordination.
• Conduct site visits, inspections, and assessments to verify compliance with design intent & code requirements.
• Assist in preparing technical reports, proposals, and engineering studies.
• Review shop drawings and submittals for adherence to design specifications.
• Participate in project meetings and communicate effectively with clients & stakeholders.
• Provide mentorship to Junior Engineers and Designers.
• Additional tasks may be assigned, as needed.

Basic Requirement:

• Bachelor's degree in Mechanical Engineering (or a related technical discipline).
• 3+ years of professional experience in Mechanical Engineering (preferably with plumbing system design projects).
• FE / EIT credential.

Preferred Qualifications:

• PE license is preferred.
• Experience working with a variety of projects (preferably with commercial, institutional, and industrial projects).
• Advanced proficiency with engineering tools (e.g.: CADD, BIM, etc.); expertise with Autodesk Revit is strongly preferred.
• Expertise with relevant codes & standards (including IPC, UPC, NFPA 13, NFPA 14, NFPA 99, and ASHRAE).
• Advanced knowledge of plumbing system design principles, hydraulic calculations, and piping layout best practices.
• Proven ability to conduct site surveys and field inspections in an effective manner.
• Experience with fire protection engineering is a plus!
• Membership in relevant professional organizations (such as ASPE [American Society of Plumbing Engineers]) is a plus!
• Strong problem-solving and analytical skills; this person is expected to be detail-oriented!
• Proven ability to work independently as well as in a collaborative team environment (with internal & external clients) while demonstrating dependability and a positive attitude!
• Proven ability to work with minimal supervision.
• Excellent organizational skills, especially with a proven ability to work in an energetic and challenging work environment on a variety of projects; this person will be expected to demonstrate a self-motivated manner while effectively multi-tasking and prioritizing multiple assignments.
• Effective communication skills (verbal & written).

Why Pennoni?


At Pennoni, we're not just another multi-disciplinary engineering firm; we're a vibrant team of innovators shaping the future! Founded more than five decades ago, Pennoni is an ENR Top 500 consulting engineering firm where individuality sparks innovation and growth. We're all about helping you build your career while fostering a great workplace culture - here, you'll work with supportive, talented teammates and find pride in your contributions. Join us to be part of a team that values your unique skills and drives excellence in every project!


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