Business Details
50 Years
experience
Expert Engineering Solutions for Complex Development Projects
Since our founding in 1976, SESI Consulting Engineers has built an exceptional reputation through collaborative engineering solutions. Our approach integrates geotechnical, environmental, and site civil expertise to deliver cost-effective, time-sensitive results while prioritizing impact-aware strategies. With over 100 employees and licensure across 14 states, we combine multi-disciplinary teamwork with hands-on leadership to address complex development challenges. Our core values of Solutions, Excellence, Service, and Integrity guide every project, ensuring clients receive innovative, reliable engineering from concept through completion. 
Services
Geotechnical Engineering
Environmental Remediation
Site Civil Design
Foundation Solutions
Stormwater Management
Brownfield Redevelopment
Retaining Wall Design
Groundwater Remediation
Construction Dewatering
Landfill Closure
Details
- Year established: 1976
Highlights and features
- We offer 45+ years of engineering experience solving complex site challenges
- Our multi-disciplinary teams deliver integrated geotechnical, environmental, and civil solutions
- We implement cost-saving techniques like dynamic compaction and soil stabilization
- Our engineers hold professional licenses in 14 states for nationwide service
- We maintain a 98% client retention rate through proven project delivery success
What people say
Geotechnical strategy expertise
Hands-on leadership approach
Cost-effective alternatives
Multi-discipline collaboration
Project completion success
Services
Geotechnical Engineering
Our geotechnical services include subsurface investigations, foundation design, and ground improvement techniques. We specialize in dynamic compaction, retaining wall design, and settlement management for commercial and industrial projects. Our engineers provide practical solutions for challenging soil conditions across the Northeast region.
Environmental Remediation
We deliver comprehensive environmental solutions including brownfield redevelopment, groundwater remediation, and regulatory compliance. Our team manages projects from site assessment through remediation, specializing in complex contaminated sites requiring innovative treatment technologies and permit acquisition.
Site Civil Design
Our civil design services cover stormwater management, land use permitting, and infrastructure planning. We integrate GIS technology and hydraulic modeling to create sustainable site solutions that meet regulatory requirements while optimizing development potential for commercial properties.
Foundation Solutions
We engineer customized foundation systems for challenging sites, including deep foundations, rigid inclusions, and soil stabilization techniques. Our experts evaluate subsurface conditions to recommend cost-effective solutions that ensure structural integrity for high-rise and industrial buildings.
Stormwater Management
Our stormwater solutions include detention systems, groundwater mounding analysis, and municipal compliance programs. We design sustainable drainage systems that prevent flooding while meeting NJDEP and federal regulations for commercial and residential developments.
People
Michael W. St. Pierre
President
With 35+ years of experience, Michael leads our geotechnical group and oversees environmental projects. He specializes in foundation design and cost-saving techniques for industrial sites, holding PE licenses in six states.
Fuad Dahan
Principal
Dr. Dahan manages environmental remediation projects with expertise in groundwater treatment and brownfield redevelopment. He holds a Ph.D. in Environmental Engineering and licenses in NJ and NY.
Jose M. Rodriguez
Principal
Jose leads our geostructural group, specializing in excavation support and foundation engineering for NYC projects. He coordinates interdisciplinary teams and works with agencies like NYCTA on complex urban developments.
Anthony Castillo
Principal
Tony directs water resources projects including floodplain studies and dam rehabilitation. With dual engineering degrees, he manages site planning for commercial developments and industrial facilities across the Northeast.
Lara Lukman
Director of Marketing
Lara leads brand strategy and business development with a decade of experience in civil engineering marketing. She manages award submissions and client communications to showcase our technical expertise.
Questions
What engineering services does SESI offer?
We provide geotechnical, environmental, and site civil engineering services including foundation design, brownfield remediation, and stormwater management for commercial and industrial clients.
Which states do SESI engineers work in?
Our licensed engineers serve projects in 14 states including New Jersey, New York, Pennsylvania, Florida, and Texas with regional expertise in Northeast development challenges.
How does SESI handle complex site challenges?
We combine multi-disciplinary teamwork with innovative techniques like dynamic compaction and GIS analysis to solve difficult engineering problems others cannot resolve.
What industries does SESI serve?
We specialize in industrial warehouses, commercial real estate, multifamily housing, and manufacturing facilities with tailored engineering solutions for each sector's unique requirements.
