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John Ledermann

Lead Civil Engineer

dilandro andrews team john ledermann

John is currently the lead engineer handling DiLandro Andrews Engineering’s Site/Civil and I/A OWTS design work. John works closely with the architectural design team, site planners, surveyors, local town/village building departments, DEC, and The Suffolk County Health Department to plan, develop and permit everything from tiny residential homes to multiple building commercial sites. As a lead engineer for approximately four years, John has worked on a high volume of various residential and commercial projects located in very environmentally sensitive areas, including the central pine barrens. John has been involved in every construction management phase, from the initial concept and design to installation and maintenance. John’s experience as a design engineer and product developer for Reilly Windows and Doors (Reilly Architectural) has also given him experience in fenestration, and Hurricane/Impact rated windows and doors.

Project Experience.
  • Residential and commercial site design
  • Extensive experience designing I/A-OWTS septic systems
  • Additional civil design aspects including stormwater runoff, drainage, SWPPP, cut and fill analysis
  • Expert in Suffolk County Department of Health Services septic permitting process
  • Experience navigating difficult sites including wetlands, low elevation, wells, high groundwater, etc.
  • West Virginia University (WVU), Bachelor of Science: Mechanical Engineering

Join Our Team

We are always looking for talented individuals who share our values and passion for enabling the creation of amazing architecture.