Who We Are

Who we are

At JCK Underground, a Schnabel Engineering Company, we offer specialized services to address the most challenging underground projects. We develop efficient solutions while maintaining a focus on the clients’ broader project goals. Blending fresh ideas with the tried-and-trusted, we provide an essential balance of skills and resources that meet project needs. Our diverse pool of seasoned talent has a unique ability to identify and prioritize the physical and indirect risks inherent to working underground, and effectively manage them.

Being part of Schnabel Engineering deepens and broadens our experience and capabilities for tunnel design, inspection, and engineering services. Schnabel is a nationally recognized design and engineering firm with a focus on tunnel and underground, engineering support during construction, dam and levee, geotechnical, and geostructural services.

Schnabel’s multi-disciplinary staff of more than 500 specializes in tunnel, dam, and geotechnical engineering services, offering small-firm responsiveness and big-firm capabilities, partnering with you through the life of your project. Our program and construction managers, designers, innovators, and industry experts have successfully tackled projects in remote locations, challenging environments, and for communities large and small across the U.S. and in over 150 countries.

For public and private clients, we extend engineering, program management, and construction management services to:

  • Water and Wastewater
  • Light and Heavy Rail Transit
  • Roads and Highways
  • Utilities

Whatever your needs are as an owner, consultant, or construction contractor, you can depend on us to guide your path to success by helping you understand and manage the underground.

From planning and conceptual design, through construction and commissioning, JCK Underground, a Schnabel Engineering Company, offers a comprehensive range of services and custom solutions for the unique challenges that each client faces. We are readily available and responsive to match our clients’ needs and meet project demands.

Our business is to ensure our clients’ success. We deliver high value services for underground projects, fostering innovation through collaboration.

From planning and conceptual design, through construction and commissioning, JCK Underground offers a comprehensive range of services. We understand that each client is confronted with unique sets of challenges and circumstances, and are readily available and responsive to customizing our services to match our clients’ needs and meet project challenges.

Company Leadership

Jennifer Jordan, P.E.
PRINCIPAL
Geotechnical Engineer (20+ years): tunnel design & construction; subsurface exploration programs; geotechnical baseline & data reports; ground movement; instrumentation.

+1 781 454 9858
jordan@jckunderground.com

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Rafael Castro, P.E.
PRINCIPAL
Geotechnical Engineer (25+ years): tunnel planning, design, construction & program management; contracting practices; constructability; ground movement.

+1 617 785 9839
castro@jckunderground.com

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Joel Kantola, P.E.
PRINCIPAL
Geotechnical Engineer (25+ years): tunnel planning, contracting, design, program management, construction management; contracting practices; risk management; ground improvement; geotechnical foundation and wall design; dredging.

+1 857 294 1317
kantola@jckunderground.com

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Rosa Castro-Krawiec, P.E.
PRINCIPAL
Structural Engineer (30+ years): tunnel, shaft, and near-surface structure design & construction; design criteria development; existing structure modification and expansion.

+1 781 724 5370
Castro-krawiec@jckunderground.com

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Geoff Hughes
PRINCIPAL
Project Manager (20+ years): underground infrastructure program, design, and construction management; contracting practice; dispute resolution; geotechnical investigation.

+1 202 288 5838
hughes@jckunderground.com

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STEPHEN M. NJOLOMA, P.E
PRINCIPAL
Geotechnical Engineer (20+ years): tunnel & shaft design; tunnel excavation and support; ground improvement; design and program management; risk management; dispute resolution.

+1 206 849 0895
njoloma@jckunderground.com

James Foley
PRINCIPAL
Construction Manager (30+ years): Underground construction management; tunnel & shaft construction; cost and schedule estimate development; constructability and alternative concept review; change management and claims negotiation; risk assessment.

+1 219 806 0713
foley@jckunderground.com