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John Sullivan Email & Phone Number

Cybersecurity Solutions Engineer at Cisco
Location: Omaha, Nebraska, United States 11 work roles 3 schools
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✓ Verified May 2026 3 data sources Profile completeness 86%

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Current company
Role
Cybersecurity Solutions Engineer
Location
Omaha, Nebraska, United States
Company size

Who is John Sullivan? Overview

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Quick answer

John Sullivan is listed as Cybersecurity Solutions Engineer at Cisco, a company with 10158 employees, based in Omaha, Nebraska, United States. AeroLeads shows a matched LinkedIn profile for John Sullivan.

John Sullivan previously worked as CTI & TVM Analyst at Conagra Brands and IAM Security Engineer at Conagra Brands. John Sullivan holds Political Science And Economics, Political Science And Government from Christendom College.

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Cisco

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Profile bio

About John Sullivan

John Sullivan is a Cybersecurity Solutions Engineer at Cisco. They is proficient in English.

Current workplace

John Sullivan's current company

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Cisco
Cisco
Cybersecurity Solutions Engineer
Omaha, NE, US
Employees
10158
AeroLeads page
11 roles

John Sullivan work experience

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Cybersecurity Solutions Engineer

Omaha, NE, US

Cti & Tvm Analyst

Current

Omaha, Nebraska, United States

Responsible for the Hacker One program including, verifying reports submitted by the hackers, recreating the attacks and working with the Vulnerability Management Team to create remediation tasks. Creating Automated Reports for C suite, various internal teams and upper management to show external and internal attack surface management and current.

Sep 2024 - Present

Iam Security Engineer

Omaha, Nebraska, United States

Led IAM operations for offshore teams, ensuring efficient handling of processes and high customer satisfaction. Managed daily operations for 50+ applications, including access management and MFA for 30,000+ users. Advised onshore analysts on best practices for secure application access provisioning. Generated monthly reports for senior leadership.

May 2022 - Sep 2024

Managing Partner

Current

Omaha, Nebraska, United States

Jan 2024 - Present

Associate Solutions Engineer Managed Services

Omaha Metropolitan Area

Conducted client discovery calls, understanding needs, and devising tailored solutions.Designed and installed customized hardware and software solutions based on client requirements.Collaborated with sales teams to create persuasive product presentations and post-installation support.Key Achievements:Increased client satisfaction scores by 25% through.

Jun 2021 - Apr 2022

Senior System Administrator

Diagnosed technical issues, troubleshooting network configurations and account setups.Guided clients through troubleshooting steps, ensuring timely issue resolution.Escalated unresolved issues and provided accurate feedback and solutions.Key Achievements:Reduced average resolution time by 30% by implementing streamlined troubleshooting.

Apr 2020 - Apr 2022

System Administrator

Research and identify solutions to software and hardware issuesDiagnose and troubleshoot technical issues, including account setup and network configurationAsk customers targeted questions to quickly understand the root of the problemTrack computer system issues through to resolution, within agreed time limitsTalk clients through a series of actions.

Jun 2019 - Apr 2020

Desktop Support Engineer

Washington D.C. Metro Area

Support daily technical support activities for desktop, data, and server managementSet up and test desktop computer peripheralsPerform the system changes adhered to organizational policiesConduct remote desktop troubleshoot to end-users along with documentation ticket maintenanceMaintain technical documentation in association with other functional.

Feb 2019 - Apr 2020

It Technician

Computer Services

  • Setup hardware and installed and configured software and drivers
  • Managed security options and software in computers and networks to manage privacy and protection
  • Troubleshoot system failures or bugs and provide solutions to restore functionality
  • Backup Maintenance, Network Troubleshooting and Data Recovery
Aug 2017 - Apr 2020
Team & coworkers

Colleagues at Cisco

Other employees you can reach at conagrabrands.com. View company contacts for 10158 employees →

3 education records

John Sullivan education

Political Science And Economics, Political Science And Government

Activities and Societies: Volunteers as student ambassador for Admissions Office ; Member of USCAA Christendom College Baseball Team

Highschool

Mother Of Divine Grace

Activities and Societies: Member of National Honor Society; Eagle Scout of Boy Scouts of America (8 years of leadership experience).

High School

Roncalli Catholic Highschool

Activities and Societies: Eagle Scout of Boy Scouts of America; Volunteered as President and Chief Trainer of Immaculate Conception's.

FAQ

Frequently asked questions about John Sullivan

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What company does John Sullivan work for?

John Sullivan works for Cisco.

What is John Sullivan's role at Cisco?

John Sullivan is listed as Cybersecurity Solutions Engineer at Cisco.

Where is John Sullivan based?

John Sullivan is based in Omaha, Nebraska, United States while working with Cisco.

What companies has John Sullivan worked for?

John Sullivan has worked for Cisco, Conagra Brands, Aim High Design, Virtual Service Operations, and Christendom College.

Who are John Sullivan's colleagues at Cisco?

John Sullivan's colleagues at Cisco include David Lucke, Tim Szalewski, Sherry Brake, Jacob Peregoy, and Sondra Wear.

How can I contact John Sullivan?

You can use AeroLeads to view verified contact signals for John Sullivan at Cisco, including work email, phone, and LinkedIn data when available.

What schools did John Sullivan attend?

John Sullivan holds Political Science And Economics, Political Science And Government from Christendom College.

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