Sr. Mechanical Designer
Gannett Fleming TranSystems
Marlton, NJ · Posted September 24, 2026
We last confirmed this job open on October 28, 2026. Check the employer’s site to see if it is still taking applications.
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About the job
What You Will Do:
GFT is seeking a Sr. Mechanical Designer to join our Buildings + Places Team in Marlton.
At GFT, the Mechanical team is dedicated to creating efficient, innovative solutions for mechanical systems , ensuring comfort and sustainability in every project. From energy-efficient power systems to advanced HVAC and plumbing designs, our team contributes to a resilient and sustainable built environment, pushing the boundaries of building system design and optimizing performance while addressing the unique needs of each facility. Explore some of our signature projects.
In this capacity, the successful candidate will be responsible for the following:
Design of building HVAC plumbing, fire protection systems including calculations, layouts, sizing, equipment selections, specifications and coordination.
Lead and participate in meetings with clients, state agencies, city agencies, utility service representatives and project teams.
Deliver projects on time and within client budgets
Deliver projects in compliance with client and company quality control procedures and engineering guidelines
Daily interaction and collaboration on cross-functional teams across multiple disciplines
Document work product in REVIT.
Construction administration services; on-site construction administration, shop drawing review, request for information response, as well as client meetings and coordination.
Perform site visits, surveys/inspections to evaluate existing building mechanical systems.
Education | Experience:
What you will bring to our firm:
Degree in Mechanical Engineering
A minimum of 2 + years of relevant experience in the design of HVAC, Plumbing, and Fire Protection Systems.
HVAC design skills including heating and cooling load and equipment performance (pumps, fans, compressors, boilers, chillers) calculation routines and systems’ documentation and familiarity with ASHRAE Guidelines
Plumbing design skills including water supply and drainage systems piping layouts and familiarity with ASPE Guidelines
Knowledge of applicable codes.
General knowledge base for Building Design and Building Services Coordination, mechanical (HVAC, Plumbing, and Fire Protection) systems layout within REVIT. Integration of Building Information Modeling (BIM) workflows in Mechanical system design.
Compensation: The salary range for this role is $90,000 - $110,000. Salary is dependent upon experience and geographic location.
Featured Benefits: • Hybrid (in-person and remote) work environment. • Comprehensive benefits package including wellness programs, parental leave, and pet insurance, in addition to medical, dental, vision, disability, and life insurance. • Tax-deferred 401(k) savings plan. • Competitive paid-time-off (PTO) accrual. • Tuition reimbursement for continued education. • Commitment to professional development, access to internal and external training programs, and support of active participation in professional organizations • Incentive compensation for eligible positions.
Company Overview:
At GFT, a privately held AEC firm, we innovate where transportation, water, power, and buildings converge. We call this the Infrastructure of Life. We measure our success by the strength of our relationships – that’s why we’re the employer of choice for 5,000+ of the industry’s brightest engineers, planners, architects, inspectors, designers, and more.
Our clients choose us for our expertise and prefer us for our nimble approach, creativity, and personal touch. Backed by over a century’s experience, together we’re building a lasting legacy for future generations: stronger communities, a healthier planet, and better lives.
GFT: Ingenuity That Shapes Lives™ is an Equal Opportunity Employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veterans’ status or other characteristics protected by law.
Unsolicited resumes from third party agencies will be considered the property GFT.
GFT does require the successful completion of a criminal background check for all advertised positions.
Location: Marlton, NJ Core Business Hours: 8:00 AM – 5:00 PM Employment Status: Full-Time
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Applicants in the County of Los Angeles- Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
Applicants in the City of San Francisco- Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Applicants in the State of California -Qualified applications with arrest or conviction records will be considered for employment in accordance with the California Fair Chance Act.