John Mclean
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John Mclean Email & Phone Number

Technical Director at Simpson Gumpertz & Heger Inc.
Location: La Grange, Illinois, United States 6 work roles 1 school
1 work email found @sgh.com 11 phones found area 708, 217, 847, 239, 630, 312, 773, and 978 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 11 phones

Work email j****@sgh.com
Direct phone (708) ***-****
LinkedIn Profile matched
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Role
Technical Director
Location
La Grange, Illinois, United States

Who is John Mclean? Overview

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Quick answer

John Mclean is listed as Technical Director at Simpson Gumpertz & Heger Inc., based in La Grange, Illinois, United States. AeroLeads shows a work email signal at sgh.com, phone signal with area code 708, 217, 847, 239, 630, 312, 773, 978, and a matched LinkedIn profile for John Mclean.

John Mclean previously worked as Senior Project Manager at Sargent & Lundy and Engineering Manager at Sargent & Lundy. John Mclean holds Bs, Civil Engineering - Structures from University Of Illinois Urbana-Champaign.

Company email context

Email format at Simpson Gumpertz & Heger Inc.

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jmclean@sgh.com
76% confidence

AeroLeads found 1 current-domain work email signal for John Mclean. Compare company email patterns before reaching out.

Profile bio

About John Mclean

- Extensive experience in structural engineering design and analysis, blast and security design and assessments, and project management of nuclear power plants and commercial structures - Project Manager for numerous projects- Responsible for the oversight, SE sealing, and approval of engineering reports, design calculations, design drawings in accordance with SGH design criteria, policies, and procedures- Chairman of the Joint ACI/ASME Committee for Concrete Containments (ACI 359/ASME Div. 2), past Chairman of the Modernization Working Group, and attend ACI committee meetings- Previous process owner for blast analysis effects from malevolent and accidental bomb blasts and run Blast and Impactive analysis special interest group (SIG) at SGH

Listed skills include Contract Management, Contract Negotiation, Structural Analysis, Project Management, and 8 others.

Current workplace

John Mclean's current company

Company context helps verify the profile and gives searchers a useful next step.

Simpson Gumpertz & Heger Inc.
Simpson Gumpertz & Heger Inc.
Technical Director
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6 roles

John Mclean work experience

A career timeline built from the work history available for this profile.

Technical Director

Current

Waltham, Massachusetts, Us

Consultant for various nuclear power projects and commercial new design projects. Perform structural condition assessments and prepare assessment reports.

Jan 2021 - Present

Senior Project Manager

Chicago, Il, Us

Project Manager for a variety of multi-discipline KEPCO E&C projects and Turkey Point Nuclear Plant projects, such as Open Phase Detection and Protection design, radiological analyses, HVAC analyses, sand storm protection design, MSO evaluations, steam explosion analyses, seismic consulting, hydrodynamic loading development, chlorination system design, etc.Structural Consultant for Technical and Licensing Issues, such as the ABWR design, seismic analysis, containment design, etc.

Oct 2012 - Jan 2021

Engineering Manager

Chicago, Il, Us

Managed the detailed structural design of the Reactor Building (RB) and Reinforced Concrete Containment Vessel (RCCV) for Toshiba’s ABWR for South Texas Project Units 3 & 4. Led structural effort in the replacement of the new fiberglass cooling tower at Palisades.

Feb 2008 - Oct 2012

Project Engineer

Chicago, Il, Us

Led team of structural engineers for projects, including security alarm station renovation, MSSS Building steel framing analysis, personnel safety modifications, blast analyses, GSI-191 containment sump strainer frame design, design of HDPE piping replacement, design of the tornado-resistant concrete vaults, design of new foundations for steam generator rigging and transport loading, and designed the replacement of SW piping and HPCI piping. Prepared the Security Plan for COLA submittal.

Oct 2004 - Feb 2008

Senior Engineer

Chicago, Il, Us

Led structural effort in the design of post-9/11 plant modifications (building blast-resistance enhancements, installation of security positions, design of internal barriers) enhancing the ability of security to defend the plant and designed vehicle barrier systems. Designed a variety of steel and concrete structures and developed various plant modification packages. Developed the designs and provided field support for permanent shielding installations in the drywell and Containment. Developed General Arrangement Drawings for 2 facilities at the Argonne National Laboratory (RIA and AEBL). Evaluated structural monitoring programs and issued program improvement recommendations.

Oct 2000 - Oct 2004

Engineer

Chicago, Il, Us

Acted as Responsible Engineer (RE) for numerous plant modification packages, designed the structural steel framing for the removal of the reactor coolant pump (RCP) motor, performed seismic analysis of buildings and bridge cranes and developed response spectra for them, and acted as Responsible Engineer (RE) for the Spent Fuel Cask Handling Crane installation, overseeing concrete pours for the foundations and installation of the structural steel. Developed the original structural monitoring program for Wolf Creek in accordance with the Maintenance Rule (10CFR50.65), developed and evaluated rigging schemes for plant components (valves, pumps), developed and evaluated configurations for hanging lead shielding, and provided outage support coverage at the site. Developed, ran, and wrote procedures for the groundwater in-leakage, flooding and scaffolding programs, and performed condition assessments and prepared condition assessment reports for various coal and nuclear plant structures, such as concrete chimneys, precipitators, and outdoor bus ducts.

Jan 1991 - Oct 2000
1 education record

John Mclean education

  • University Of Illinois Urbana-Champaign
    University Of Illinois Urbana-Champaign
    Civil Engineering - Structures
FAQ

Frequently asked questions about John Mclean

Quick answers generated from the profile data available on this page.

What company does John Mclean work for?

John Mclean works for Simpson Gumpertz & Heger Inc..

What is John Mclean's role at Simpson Gumpertz & Heger Inc.?

John Mclean is listed as Technical Director at Simpson Gumpertz & Heger Inc..

What is John Mclean's email address?

AeroLeads has found 1 work email signal at @sgh.com for John Mclean at Simpson Gumpertz & Heger Inc..

What is John Mclean's phone number?

AeroLeads has found 11 phone signal(s) with area code 708, 217, 847, 239, 630, 312, 773, 978 for John Mclean at Simpson Gumpertz & Heger Inc..

Where is John Mclean based?

John Mclean is based in La Grange, Illinois, United States while working with Simpson Gumpertz & Heger Inc..

What companies has John Mclean worked for?

John Mclean has worked for Simpson Gumpertz & Heger Inc. and Sargent & Lundy.

How can I contact John Mclean?

You can use AeroLeads to view verified contact signals for John Mclean at Simpson Gumpertz & Heger Inc., including work email, phone, and LinkedIn data when available.

What schools did John Mclean attend?

John Mclean holds Bs, Civil Engineering - Structures from University Of Illinois Urbana-Champaign.

What skills is John Mclean known for?

John Mclean is listed with skills including Contract Management, Contract Negotiation, Structural Analysis, Project Management, Seismic Design, Reinforced Concrete, Steel Structures, and Blast Analysis.

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