Sr. Principle Network Security Engineer
Current
Jul 2024 - Present
AeroLeads people directory · profile
Jeff St. John Email & Phone Number
Sr. Principle Network Security Engineer
at
Western Alliance Bank
1 work email found
@lincolnfinancial.com
3 phones found area 214 and 972
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Sr. Principle Network Security Engineer
Location
Dallas-Fort Worth Metroplex, United States
Who is Jeff St. John? Overview
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Quick answer
Jeff St. John is listed as Sr. Principle Network Security Engineer at Western Alliance Bank, based in Dallas-Fort Worth Metroplex, United States. AeroLeads shows a work email signal at lincolnfinancial.com, phone signal with area code 214, 972, and a matched LinkedIn profile for Jeff St. John.
Jeff St. John previously worked as Director, Network Engineering at Lincoln Financial Group and Sr. Engineer, Cloud Engineering & Operations at Lincoln Financial Group. Jeff St. John holds Bachelor Of Science, Information Systems from The University Of Texas At Arlington.
Company email context
Email format at Western Alliance Bank
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*@lincolnfinancial.com
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AeroLeads found 1 current-domain work email signal for Jeff St. John. Compare company email patterns before reaching out.
Profile bio
About Jeff St. John
Steering the network engineering team at Lincoln Financial Group, we focused on delivering innovative solutions that bolster business value. Our team's successful projects include a transformative data center hardware refresh and implementing a Palo Alto SDWAN rollout, which significantly enhanced performance and reduced costs. Skilled in cloud network integration, especially with AWS, while fostering essential cross-team collaboration. This synergy is crucial for the provision of scalable and secure networking solutions that support the company's strategic growth and operational excellence. My steadfast mission is to deliver cost-effective networking that synchronizes with business goals.
Listed skills include Vendor Management, Data Center, It Strategy, Disaster Recovery, and 22 others.
Current workplace
Jeff St. John's current company
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9 roles
Jeff St. John work experience
A career timeline built from the work history available for this profile.
Director, Network Engineering
Provide leadership of the team delivering network-based architecture and engineering solutions concentrating on the design and implementation of Network, Internet, and Cloud solutions.Develop cross-team collaboration while delivering solutions designed to enhance business value.Major projects and initiatives delivered by the team include:• Data center hardware refresh to stabilize and redesign network infrastructure while reducing vulnerabilities.• Network design and implementation support of distributed refresh for data center Dell server infrastructure.• Palo Alto SDWAN rollout to branch office locations delivering increased performance and lower cost per site.• Check Point to Palo Alto Firewall migration and redesign reducing issues and environmental complexity.• AWS/Palo Alto Firewall buildout using AWS Gateway Load Balancer & AWS TGW route design adding micro-segmentation security.
Sep 2021 - Apr 2024
Sr. Engineer, Cloud Engineering & Operations
Design and implementation of cloud network solutions. Cloud to on-premises and internet connectivity services.Melding foundational network & Internet connectivity solutions with AWS cloud services to provided a cohesive transport for delivering business applications.Deliver thought leadership for all areas of AWS Virtual Private Cloud (VPC) and network services infrastructure.Employed Agile methodologies and utilized JIRA as the primary tool for tracking work throughout the project aimed at constructing AWS landing zone network components.Major accomplishments or initiatives include:• Amazon AWS Direct Connect (DCX) connectivity.• Equinix Cloud Fabric connectivity solutions• AWS Landing Zone Network core design.• AWS Transit Gateway (TGW) route design• AWS to on-premises IP and BGP route design• AWS Route53 design and integration with on-premises Infoblox DNS
Aug 2020 - Aug 2021
Sr. Engineer, Network Services Architecture & Engineering
Driving architecture, engineering, and operational solutions for the Network Services Infrastructure Organization involving the design and implementation of Network, Internet, and Cloud solutions.Deliver thought leadership for all areas of the Network Services Infrastructure Organization. Major projects or initiatives include:• Enterprise Network DMZ and Checkpoint Firewall redesign to streamline connectivity and reduce hardware.• Enterprise Cisco Client Access redesign to support 11000 end users.• Data center colocation facility edge design and build-out.• IP Service design and migration from Microsoft and Bind to Infoblox grid platform.• Virtual Private Cloud (VPC) solutions with Amazon AWS using VPN connections.Major projects or initiatives include: Virtual Private Cloud solutions with Amazon AWS, Enterprise Data Center Migration, Enterprise Network DMZ and Firewall redesign, and Enterprise Client Access redesign.
Feb 2014 - Jul 2020
Sr. Manager, Global Network Core Engineering
Core Network Infrastructure includes: Extranet (Firewall/IDP/Proxy/Remote Access/VPN), Network Access Control, and IP Services (DNS/DHCP/NTP)Plan and manage Engineering project load including budgeting, forecasting, and professional development of technical staff. Review technology requests and work with direct reports to schedule and complete projects. Partner with information security to harden global perimeter and define standards for security infrastructuresMajor projects or initiatives include: Global Client VPN Global Network Access Control Data center network segmentation design and build Global & Server Load Balancer architecture and design Global IP Address Management infrastructure design and refresh
Jan 2011 - Jan 2014
Manager, Network Core Extranet & Web Hosting Engineering
Jan 2009 - Dec 2010
Manager, Web Hosting Services
Jan 2008 - Dec 2008
Sr. Engineer, Web Hosting & Ip Services
Jan 2006 - Dec 2007
Network Engineer, Network Extranet Engineering
Dec 1997 - Dec 2005
2 education records
Jeff St. John education
Bachelor Of Science, Information Systems
The University Of Texas At Arlington
Associate Of Applied Science, Computer Programming
Alvin Community College
FAQ
Frequently asked questions about Jeff St. John
Quick answers generated from the profile data available on this page.
What company does Jeff St. John work for?
Jeff St. John works for Western Alliance Bank.
What is Jeff St. John's role at Western Alliance Bank?
Jeff St. John is listed as Sr. Principle Network Security Engineer at Western Alliance Bank.
What is Jeff St. John's email address?
AeroLeads has found 1 work email signal at @lincolnfinancial.com for Jeff St. John at Western Alliance Bank.
What is Jeff St. John's phone number?
AeroLeads has found 3 phone signal(s) with area code 214, 972 for Jeff St. John at Western Alliance Bank.
Where is Jeff St. John based?
Jeff St. John is based in Dallas-Fort Worth Metroplex, United States while working with Western Alliance Bank.
What companies has Jeff St. John worked for?
Jeff St. John has worked for Western Alliance Bank, Lincoln Financial Group, and Pepsico, Inc..
How can I contact Jeff St. John?
You can use AeroLeads to view verified contact signals for Jeff St. John at Western Alliance Bank, including work email, phone, and LinkedIn data when available.
What schools did Jeff St. John attend?
Jeff St. John holds Bachelor Of Science, Information Systems from The University Of Texas At Arlington.
What skills is Jeff St. John known for?
Jeff St. John is listed with skills including Vendor Management, Data Center, It Strategy, Disaster Recovery, Enterprise Architecture, Security, It Management, and Integration.
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