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Efrain Hernandez Email & Phone Number

Support Analyst at Sentinel Technologies at Sentinel Technologies
Location: Greater Chicago Area, United States 3 work roles 3 schools
1 work email found @sentinel.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email e****@sentinel.com
LinkedIn Profile matched
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Current company
Role
Support Analyst at Sentinel Technologies
Location
Greater Chicago Area, United States
Company size

Who is Efrain Hernandez? Overview

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Quick answer

Efrain Hernandez is listed as Support Analyst at Sentinel Technologies at Sentinel Technologies, a with 201 employees, based in Greater Chicago Area, United States. AeroLeads shows a work email signal at sentinel.com and a matched LinkedIn profile for Efrain Hernandez.

Efrain Hernandez previously worked as National Support Analyst II at Sentinel Technologies and Sr. Network Operations Analyst ll at Capital One. Efrain Hernandez holds Networking Engineer, Information Technology from Pc Age-Jersey City.

Company email context

Email format at Sentinel Technologies

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{first_initial}{last}@sentinel.com
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AeroLeads found 1 current-domain work email signal for Efrain Hernandez. Compare company email patterns before reaching out.

Profile bio

About Efrain Hernandez

Efrain Hernandez is a Support Analyst at Sentinel Technologies at Sentinel Technologies. He possess expertise in cisco technologies, windows server, network security, linux, disaster recovery and 35 more skills.

Listed skills include Cisco Technologies, Windows Server, Network Security, Linux, and 36 others.

Current workplace

Efrain Hernandez's current company

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Sentinel Technologies
Sentinel Technologies
Support Analyst at Sentinel Technologies
Downers Grove, IL
Website
Employees
201
AeroLeads page
3 roles · 17 years

Efrain Hernandez work experience

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

Sr. Network Operations Analyst Ll

Mclean, Va, Us

-Supports LAN/WAN and Carrier services.-Troubleshooting SDWAN costumer related issues. -Remote support for new Branch SDWAN network systems. Resolved network issues, ran test scripts and - Tier 2 escalation resource for incident resolution. - Consult with various technology support groups as part of problem resolution efforts. - Proactively evaluate network environments using various tools and management - Assess vulnerabilities, identify and implement mitigation plans. - Own platform life-cycle management. - Contribute to enterprise network strategy/solutions development and technology refresh efforts. - Provide input to network enterprise design standards and maintain network topology diagrams. - Participate in technology integration efforts with other engineering and support teams. - Ensure compliance with departmental and enterprise security configuration standards. - Manage and Govern relationships with technology vendors utilized in the enterprise network. - Provide Technical leadership and guidance to junior personnel.

May 2015 - Jul 2019

Network Engineer

Promatrix Corp

Network Engineer• Building, Configuring, maintaining, troubleshooting and auditing of site Firewall.• Implemented upgraded firewall platform built on Checkpoint Firewall Technologies.• Designed Firewall Rule Base for the site. Checking the logs in Firewall.• Migrated Juniper EX series switches to Cisco 3500 series and 6500 series switches.• Coordinated and scheduled the delivery of F5 Professional Service implementations and consulting engagements • Core maintenance, troubleshooting and administration of VoIP Network in order to maintain the smooth operation of services. Design, and configuring of OSPF, BGP on Cisco Routers.• Infrastructure troubleshooting and TCP/IP Protocols Experience. Assisted the Network team in maintaining the network in different locations• Co-ordination with Hardware vendors, software vendors and service Providers.

2010 - Jan 2015
Team & coworkers

Colleagues at Sentinel Technologies

Other employees you can reach at sentinel.com. View company contacts for 201 employees →

3 education records

Efrain Hernandez education

Networking Engineer, Information Technology

Pc Age-Jersey City

Associate Of Science (A.S.), Computer/Information Technology Administration And Management

Thomas Edison State University

Diploma, High School/Secondary Diplomas And Certificates

New Brunswick High School
FAQ

Frequently asked questions about Efrain Hernandez

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

What company does Efrain Hernandez work for?

Efrain Hernandez works for Sentinel Technologies.

What is Efrain Hernandez's role at Sentinel Technologies?

Efrain Hernandez is listed as Support Analyst at Sentinel Technologies at Sentinel Technologies.

What is Efrain Hernandez's email address?

AeroLeads has found 1 work email signal at @sentinel.com for Efrain Hernandez at Sentinel Technologies.

Where is Efrain Hernandez based?

Efrain Hernandez is based in Greater Chicago Area, United States while working with Sentinel Technologies.

What companies has Efrain Hernandez worked for?

Efrain Hernandez has worked for Sentinel Technologies, Capital One, and Promatrix Corp.

Who are Efrain Hernandez's colleagues at Sentinel Technologies?

Efrain Hernandez's colleagues at Sentinel Technologies include Gruzinskas Marijus, Christopher Johnson, Jim Betz, Sunshine Caruso, and Thom Vandenbossche.

How can I contact Efrain Hernandez?

You can use AeroLeads to view verified contact signals for Efrain Hernandez at Sentinel Technologies, including work email, phone, and LinkedIn data when available.

What schools did Efrain Hernandez attend?

Efrain Hernandez holds Networking Engineer, Information Technology from Pc Age-Jersey City.

What skills is Efrain Hernandez known for?

Efrain Hernandez is listed with skills including Cisco Technologies, Windows Server, Network Security, Linux, Disaster Recovery, Ccna, Unix, and Vmware.

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