Maintenance Technician
Current
Oct 2020 - Present
AeroLeads people directory · profile
William Hefner Email & Phone Number
Maintenance technician
at
SI Group
1 work email found
@siigroup.com
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 86%
Current company
Role
Maintenance technician
Location
Greater Pittsburgh Region, United States
Company size
Who is William Hefner? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
William Hefner is listed as Maintenance technician at SI Group, a with 1555 employees, based in Greater Pittsburgh Region, United States. AeroLeads shows a work email signal at siigroup.com and a matched LinkedIn profile for William Hefner.
William Hefner previously worked as Job Foreman at Hranec Corporation and Supervisor at Jr Piping & Construction. William Hefner holds Associate'S Degree, Electrical Maintenance And Construction Technology from Triangle Tech.
Company email context
Email format at SI Group
This section adds company-level context without repeating William Hefner's masked contact details.
{first}.{last}@siigroup.com
89% confidence
AeroLeads found 1 current-domain work email signal for William Hefner. Compare company email patterns before reaching out.
Profile bio
About William Hefner
William Hefner is a Maintenance technician at SI Group.
Current workplace
William Hefner's current company
Company context helps verify the profile and gives searchers a useful next step.
Si Group
3 roles
William Hefner work experience
A career timeline built from the work history available for this profile.
Job Foreman
Jun 2020 - Oct 2020
Supervisor
Jr Piping & Construction
Feb 2011 - Jun 2020
Team & coworkers
Colleagues at SI Group
Other employees you can reach at siigroup.com. View company contacts for 1555 employees →
MF
Maxime Fusaro
Colleague at Si GroupBéthune, Hauts-De-France, France
View →
KM
Kari Macon
Colleague at Si GroupFreeport, Texas, United States
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UK
Uday Kulkarni
Colleague at Si GroupThane, Maharashtra, India
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LA
Luz Andrea Masias
Colleague at Si GroupCusco, Peru
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LB
Lauren Burke
Colleague at Si GroupSchenectady, New York, United States
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WO
Warren Ottenfeld
Colleague at Si GroupAiken, South Carolina, United States
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PT
Pravin Talegaonkar
Colleague at Si GroupThane, Maharashtra, India
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MM
Manoel Munhoz
Colleague at Si GroupRio Claro, São Paulo, Brazil
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NC
Nicolas Choisne
Colleague at Si GroupMargny-Lès-Compiègne, Hauts-De-France, France
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DH
Doug Hall
Colleague at Si GroupOrangeburg, South Carolina, United States
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Maxime Fusaro
Colleague at Si GroupBéthune, Hauts-De-France, France
View →
KM
Kari Macon
Colleague at Si GroupFreeport, Texas, United States
View →
UK
Uday Kulkarni
Colleague at Si GroupThane, Maharashtra, India
View →
LA
Luz Andrea Masias
Colleague at Si GroupCusco, Peru
View →
LB
Lauren Burke
Colleague at Si GroupSchenectady, New York, United States
View →
WO
Warren Ottenfeld
Colleague at Si GroupAiken, South Carolina, United States
View →
PT
Pravin Talegaonkar
Colleague at Si GroupThane, Maharashtra, India
View →
MM
Manoel Munhoz
Colleague at Si GroupRio Claro, São Paulo, Brazil
View →
NC
Nicolas Choisne
Colleague at Si GroupMargny-Lès-Compiègne, Hauts-De-France, France
View →
DH
Doug Hall
Colleague at Si GroupOrangeburg, South Carolina, United States
View →
1 education record
William Hefner education
FAQ
Frequently asked questions about William Hefner
Quick answers generated from the profile data available on this page.
What company does William Hefner work for?
William Hefner works for SI Group.
What is William Hefner's role at SI Group?
William Hefner is listed as Maintenance technician at SI Group.
What is William Hefner's email address?
AeroLeads has found 1 work email signal at @siigroup.com for William Hefner at SI Group.
Where is William Hefner based?
William Hefner is based in Greater Pittsburgh Region, United States while working with SI Group.
What companies has William Hefner worked for?
William Hefner has worked for Si Group, Hranec Corporation, and Jr Piping & Construction.
Who are William Hefner's colleagues at SI Group?
William Hefner's colleagues at SI Group include Maxime Fusaro, Kari Macon, Uday Kulkarni, Luz Andrea Masias, and Lauren Burke.
How can I contact William Hefner?
You can use AeroLeads to view verified contact signals for William Hefner at SI Group, including work email, phone, and LinkedIn data when available.
What schools did William Hefner attend?
William Hefner holds Associate'S Degree, Electrical Maintenance And Construction Technology from Triangle Tech.
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