Jack Siergiej
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Jack Siergiej Email & Phone Number

Assistant Vice President of Technology Services at Berkshire Hathaway GUARD Insurance Companies
Location: Hunlock Creek, Pennsylvania, United States 8 work roles 3 schools
1 work email found @guard.com 2 phones found area 570 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email j****@guard.com
Direct phone (570) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Berkshire Hathaway GUARD Insurance Companies
Role
Assistant Vice President of Technology Services
Location
Hunlock Creek, Pennsylvania, United States
Company size
859 employees

Who is Jack Siergiej? Overview

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Quick answer

Jack Siergiej is listed as Assistant Vice President of Technology Services at Berkshire Hathaway GUARD Insurance Companies, a company with 859 employees, based in Hunlock Creek, Pennsylvania, United States. AeroLeads shows a work email signal at guard.com, phone signal with area code 570, and a matched LinkedIn profile for Jack Siergiej.

Jack Siergiej previously worked as Director of Technology Services at Berkshire Hathaway Guard Insurance Companies and Lead Network Engineer at Berkshire Hathaway Guard Insurance Companies. Jack Siergiej holds Bachelors, Major: Computers & Info. Systems / Minor: Business Administration. Magna Cum Laude from King'S College.

Company email context

Email format at Berkshire Hathaway GUARD Insurance Companies

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{first}.{last}@guard.com
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AeroLeads found 1 current-domain work email signal for Jack Siergiej. Compare company email patterns before reaching out.

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Profile bio

About Jack Siergiej

Highly motivated network engineer with experience involving project management, consulting, network/datacenter design and implementation, network security, inter/intranet design, programming, technical support, e-mail administration, and educating end users.Specialties: Network design, security, and engineering specializing in Cisco, Windows, Azure, & VMWare environments. Experience with Equallogic & EMC SANs, Bridgewave/Dragonwave/Ceragon Microwaves, Barracuda WAFs, Linux, AS400 i5OS, Lotus Notes, Microsoft Exchange, & SQL.

Listed skills include Disaster Recovery, Vmware, Vpn, Windows Server, and 44 others.

Current workplace

Jack Siergiej's current company

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Berkshire Hathaway GUARD Insurance Companies
Berkshire Hathaway Guard Insurance Companies
Assistant Vice President of Technology Services
Hunlock Creek, PA, US
Website
guard.com
Employees
859
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Company profile
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8 roles

Jack Siergiej work experience

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

Network Systems Technologist

Berkshire Hathaway Guard Insurance Companies

wilkes-barre, PA

  • Responsibilities:
  • Planning, hardware/software recommendations, management, and implementation of various GUARD & Berkshire Hathaway network related projects.
  • Network engineering and security ranging from Cisco firewalls, VPN, switching, routers, and wireless to Azure Infrastructure, Active Directory, group policy, VMware, and microwave systems. Accomplishments:
  • Designed and implemented multi-region hub and spoke Azure environment with active/active Cisco FTDv’s, load balancers, WAFs, multiple subnets, NSGs, site to site VPNs, and custom routing.
  • Managed and implemented a dual datacenter relocation & system upgrade for a Berkshire Hathaway location with a 100+ billion dollar book of business.
  • Reengineered corporate-wide IP address scheme to include proper subnetting and move away from flat network design.
Apr 2012 - Oct 2016

Network Engineer

Penn Millers Insurance Company
  • Responsibilities:
  • Planning, hardware recommendations, management, and implementation of network projects.
  • Perform day to day operations and manage all aspects of the local and wide-area networks.
  • Security: Ranging from Active Directory and AS400 to firewalls, VPN, switching, and wireless. Accomplishments:
  • Participated in Sarbanes/Oxley and various state audits of the information technology environment.
  • Designed and implemented a VMware vSphere 4.1 clustered environment with an EMC iSCSI SAN backend.
Jun 2008 - Apr 2012

Team Lead Of Network Design / Network Engineer

Penn Software & Technology Services, Inc (A Subsidiary Of Penn Millers)
  • Responsibilities:
  • Led network design and implementation department on projects, installations, support, and service.
  • Planning, hardware recommendations, client relations, and overall management of network related projects.
  • Respond to proposal and project plan requests and determine specifications, time lines, and resources.
  • Analyze client business processes and make appropriate recommendations to improve efficiencies.Accomplishments:
  • Designed and implemented complete network infrastructures for clients.
Aug 2000 - Jun 2008

Network Administrator

Penn Millers Insurance Company
  • Provided end user support to all in-house and remote employees.
  • Supported servers, printers, desktops throughout organization.
Jan 1999 - Aug 2000
Team & coworkers

Colleagues at Berkshire Hathaway GUARD Insurance Companies

Other employees you can reach at guard.com. View company contacts for 859 employees →

LH Lori Harvey Lori Harvey Colleague at Berkshire Hathaway Guard Insurance Companies Dallas, Pennsylvania, United States, United States View → DM Dana Middleton, Msom Dana Middleton, Msom Colleague at Berkshire Hathaway Guard Insurance Companies Dallas, Pennsylvania, United States, United States View → AC Amy Clark Amy Clark Colleague at Berkshire Hathaway Guard Insurance Companies Harveys Lake, Pennsylvania, United States, United States View → KM Kate Moran Kate Moran Colleague at Berkshire Hathaway Guard Insurance Companies Shavertown, Pennsylvania, United States, United States View → OB Olivia Banta Olivia Banta Colleague at Berkshire Hathaway Guard Insurance Companies Wilkes-Barre, Pennsylvania, United States, United States View → BB Brittany Balester Brittany Balester Colleague at Berkshire Hathaway Guard Insurance Companies Moosic, Pennsylvania, United States, United States View → HY Hali Young Hali Young Colleague at Berkshire Hathaway Guard Insurance Companies Wilkes-Barre, Pennsylvania, United States, United States View → CR Christopher Rose Christopher Rose Colleague at Berkshire Hathaway Guard Insurance Companies Philadelphia, Pennsylvania, United States, United States View → LB Lisa Banta Lisa Banta Colleague at Berkshire Hathaway Guard Insurance Companies Wilkes-Barre, Pennsylvania, United States, United States View → EP Elizabeth Patykowski Elizabeth Patykowski Colleague at Berkshire Hathaway Guard Insurance Companies Hudson, New Hampshire, United States, United States View →
3 education records

Jack Siergiej education

Bachelors, Major: Computers & Info. Systems / Minor: Business Administration. Magna Cum Laude

King'S College

Activities and Societies: Music Director / Radio Show Host WRKC 88.5fm Thomas Aquinas Honor Society- Thomas Aquinas Honor Society - WRKC.

Education record

Greater Nanticoke Area High School

Brown Belt, Gracie Jiu-Jitsu

Gracie Nepa
FAQ

Frequently asked questions about Jack Siergiej

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

What company does Jack Siergiej work for?

Jack Siergiej works for Berkshire Hathaway GUARD Insurance Companies.

What is Jack Siergiej's role at Berkshire Hathaway GUARD Insurance Companies?

Jack Siergiej is listed as Assistant Vice President of Technology Services at Berkshire Hathaway GUARD Insurance Companies.

What is Jack Siergiej's email address?

AeroLeads has found 1 work email signal at @guard.com for Jack Siergiej at Berkshire Hathaway GUARD Insurance Companies.

What is Jack Siergiej's phone number?

AeroLeads has found 2 phone signal(s) with area code 570 for Jack Siergiej at Berkshire Hathaway GUARD Insurance Companies.

Where is Jack Siergiej based?

Jack Siergiej is based in Hunlock Creek, Pennsylvania, United States while working with Berkshire Hathaway GUARD Insurance Companies.

What companies has Jack Siergiej worked for?

Jack Siergiej has worked for Berkshire Hathaway Guard Insurance Companies, Penn Millers Insurance Company, and Penn Software & Technology Services, Inc (A Subsidiary Of Penn Millers).

Who are Jack Siergiej's colleagues at Berkshire Hathaway GUARD Insurance Companies?

Jack Siergiej's colleagues at Berkshire Hathaway GUARD Insurance Companies include Lori Harvey, Dana Middleton, Msom, Amy Clark, Kate Moran, and Olivia Banta.

How can I contact Jack Siergiej?

You can use AeroLeads to view verified contact signals for Jack Siergiej at Berkshire Hathaway GUARD Insurance Companies, including work email, phone, and LinkedIn data when available.

What schools did Jack Siergiej attend?

Jack Siergiej holds Bachelors, Major: Computers & Info. Systems / Minor: Business Administration. Magna Cum Laude from King'S College.

What skills is Jack Siergiej known for?

Jack Siergiej is listed with skills including Disaster Recovery, Vmware, Vpn, Windows Server, Servers, Cisco Technologies, Microsoft Exchange, and Network Security.

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