Specialized in civil, structural, and transportation projects
About Us
  • Overview
  • Leadership
  • Employees
  • Locations
  • Certifications
  • News and Media

Corporate Overview

SJH Engineering, P.C. provides specialized consulting engineering design for buildings, bridges, transit structures, and highways. We offer design, construction inspection, construction management, and construction support services on structural, civil, MEP, and architectural projects.  We can offer services under the following NAICS Codes:

  • 541330 -- Engineering Services
  • 541310 -- Architectural Services
  • 541320 -- Landscape Architectural Services
  • 541340 -- Drafting Services
  • 541350 -- Building Inspection Services
  • 541611 -- Administrative Management, General Management Consulting Services
  • 561210 -- Facilities Support Services

Principal S. Jayakumaran, PhD, PE, is a multitalented engineer, responsible for leading SJH’s involvement in design and inspection projects with construction costs up to $1.7 billion. During his engineering career, Dr. Jayakumaran has functioned in the capacity of project manager, quality control engineer, project engineer, and senior analyst. His hands-on principal involvement with every SJH pursuit results in successful design, supervision, and management of award-winning work. His project expertise has contributed to building rehabilitation, structural, civil, bridge, railroad, tunnels, and transportation engineering projects throughout the Northeast and Washington D.C. region. He is extensively familiar with local, state and federal regulations.  With a PhD in Civil / Structural Engineering, Dr. Jayakumaran is a member of various engineering organizations and a published author.

Senior Vice President Jing Kang, PE, is a senior leader and key decision maker, responsible for managing daily operations and providing QA / QC for our robust bridge design group. With over two decades of industry experience, Mr. Kang’s background includes inspection, analysis, design, preparation of contract documents, construction support, management, value engineering, and supervision of complex highway structures, as well as multifaceted coordination activities with public agencies and private utilities. He has managed many NJTA, NJDOT, NJ Transit, PANYNJ, NYCDOT and NYSDOT reconstruction projects, including the design of the first cable-stayed bridge over navigable water in the State of New York, a federally funded project involving coordination and permitting with over 15 Federal, State and City agencies. Mr. Kang has an MS degree in Structural Engineering and a BS in Civil Engineering. He is a registered Professional Engineer in NJ, NY and PA.  He is a member of the Municipal Engineers of the City of New York and the American Council of Engineering Companies.


As a growing firm, SJH currently employs over fifty full time employees, many of whom are registered professionals in their respective disciplines.  Our team consists of structural, highway, transportation, and MEP engineers, architectural, bridge condition and construction inspectors, resident engineers, CADD specialists, and support personnel. They have published technical papers and are well aware of the current trends in technology. They consistently use innovative techniques, ideas, and materials in the course of their work. They are competent, hardworking and results oriented individuals. Their experience ranges from inspection, analysis and design to the construction management of structures including buildings, railroad facilities, bridges, viaducts, tunnels, streets, roads, and highways.

Office Locations
Our headquarters is based in Princeton, NJ, with a branch office in New York, NY.  The strategic positioning of our base of operations helps our team to effectively coordinate with government and private agencies throughout the Northeast.

Small Disadvantaged Business (SDB) by the Federal Government's SDB program 

Small Business Enterprise (SBE) by New Jersey Commerce, The Port Authority of New York and New Jersey (PANYNJ), The Southeastern Pennsylvania Transportation Authority (SEPTA), and the State of Maryland.

Minority Owned Business Enterprise (MBE) by PANYNJ, New Jersey Transit, State of New York, State of New York Construction Fund, New York City Department of Small Business Services, State of New Jersey, the City of Philadelphia, the State of Maryland, and the Washington Suburban Sanitary Commission.

….Disadvantaged Business Enterprise (DBE) by New Jersey Unified Certification Program including New Jersey Department of Transportation (NJDOT), New Jersey Transit, PANYNJ entities; the State of New York Unified Certification Program including New York State Department of Transportation (NYSDOT), Metropolitan Transportation Authority (MTA), Niagra Frontier Transportation Authority (NFTA), and PANYNJ; the Pennsylvania Unified Certification Program including Pennsylvania Department of Transportation (PennDOT), Allegheny County Department of MBE/WBE/DBE, Port Authority, Southeastern Pennsylvania Transportation Authority (SEPTA), and the City of Philadelphia; the Metropolitan Washington Unified Certification Program including Metropolitan Washington Area Transit Authority (WMATA) and the District of Columbia Department of Transportation (DDOT); the Maryland Department of Transportation (MDOT) Unified Certification Program; the Delaware Department of Transportation Disadvantage Business Enterprise program (DELDOT); and the Florida Unified Certification Program (FDOT) including Florida Department of Transportation, Broward County Office of Economic and Small Business Development, City of Tallahassee, Tampa International Airport, Greater Orlando Aviation Authority, Miami Dade County, Jacksonville Transporation Authority, Lee County Port Authority, Key West International & Florida Keys Marathon Airports, and Volusia Transit Authority-FTA.


  • U.S. General Services Administration - Schedule 871-7 Construction Management - Contract GS-10F-0477X
  • Port Authority of New York and New Jersey
  • New Jersey Department of Transportation
  • New Jersey Turnpike Authority
  • State of New Jersey Division of Property Management and Construction
  • State of New Jersey Schools Development Authority
  • County of Atlantic, New Jersey - Architect and Engineering Facilities Pool, Dam and Transportation Pool, Construction Engineer and Inspection Pool
  • County of Camden, New Jersey - Architect Services and Engineering Services
  • County of Somerset, New Jersey - Engineering Services 
  • New York City Department of Transportation - Bridge Design Service - Small, Medium
  • New York City Department of Transportation - Bridge Resident Engineering Inspection - Small
  • New York City School Construction Authority - Engineering Civil/Structural, Engineering M/E/P Full Service, Personnel Services - Temporary
  • New York City Department of Buildings - Special Inspections
  • Pennsylvania Department of Transportation