Sean OSullivan

Sean OSullivan's email & phone

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Cyber Defense Center Manager at State Street|Boston, Massachusetts, United States

Position:

Cyber Defense Center Manager at State Street

Location:

Boston, Massachusetts, United States

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Last updated: 2026-04-25
Updated: 2026-04-25

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Work Experience 11 years

Cyber Defense Center Manager at State Street

Jul 2025 - Current

Lead Cyber Security Analyst at State Street

Apr 2023 - Jul 2025

Cyber Security Analyst at State Street

Mar 2022 - Mar 2023

Cyber Security Trainee at Cyberquest

Jun 2021 - Feb 2022

Digital Designer at designedly

Jul 2020 - Feb 2021

Technical Support Advisor at Apple

Jun 2018 - Jul 2019

Customer Assistant at Tesco Ireland

Sep 2015 - May 2018

Sean OSullivan started working in 2015, then the employee has changed 4 companies and 6 jobs. On average, Sean OSullivan works for one company for 1 year 4 months.

Education

Bachelor of Science - BS (Hons.) at Limerick Institute of Technology

Bachelor of Science - BS at Limerick Institute of Technology

Frequently Asked Questions

What is Sean OSullivan's minimum period of employment in the companies?

Sean OSullivan's minimum period of employment in various companies is 7 months.

What is Sean OSullivan's average duration of employment for different companies?

On average, Sean OSullivan works for one company for 1 year 5 months

What industries has Sean OSullivan worked in?

Sean OSullivan works in the Financial Services. Previously, Sean OSullivan worked in the Hospitality, and Consumer Electronics, and Retail.

What positions has Sean OSullivan held before?

Previously, Sean OSullivan worked as a Lead Cyber Security Analyst, and Cyber Security Analyst, and Cyber Security Trainee, and Digital Designer, and Technical Support Advisor.

How do I contact Sean OSullivan?

Sean OSullivan's phone number is +1-520-***-**83. Sign up to get contact details.

Who is the Chairman & CEO of the State Street?

The Chairman & CEO of the State Street is Ron O’Hanley

Sean OSullivan Namesakes

Name
Company
Position
Sean OSullivan
Senior RD&A Scientist
Sean OSullivan
Northrop Grumman Corporation
Program Manager
Sean OSullivan
SwingPro
Full Stack Developer

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