Jack O'Sullivan

IT Specialist

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A headshot of Jack O'Sullivan

About Me

With nearly a decade of experience, I am an IT consultant with expertise Cloud, DevOps, Platforms, and Linux systems.

Industries I have worked in include:

  • Software Development
  • Data Center
  • Cyber Security
  • Intelligence

My work has involved both public and private sector clients.


IT Consultant


June 2022 - July 2023

Naimuri logo

Systems Administrator


August 2018 - January 2022

Secarma logo

Linux Engineer


February 2016 - August 2018

UKFast logo

Junior DevOps Engineer

Bright Future Software

July 2013 - February 2016

Bright Future Software logo


AWS > Elastic Beanstalk


Identilid logo

I developed a series of scripts to ensure that this project works in Elastic Beanstalk. I also created and configured the Elastic Beanstalk for the client.

Cloud Migration


Optimed logo

I provided assistance in migrating their existing services to a cloud-based infrastructure as well as providing assistance to development teams on the server-side component of a new product. I also conducted extensive research to find the best cloud-based solution to rendering video.

Web Development

Ostara Biomedical

Ostara Biomedical logo

I helped develop a responsive static website for a biomedical company.

Web Development > WordPress

Bright Future Software

Bright Future Software logo

I co-developed a WordPress theme which is used as the public facing website at Bright Future Software. I also setup and configured the hosting for the website on AWS.

AWS > Elastic Beanstalk

Social Media Metrics Dashboard

My involvement on this project was to develop a series of scripts that ensure the software we were developing could work in a load-balanced, auto-scaling environment configuration, specifically Elastic Beanstalk.


Rochdale Sixth Form College

2011 - 2013

Wardle High School

2006 - 2011

Software I Use

Operating System > Linux

Red Hat Enterprise Linux

Red Hat Enterprise Linux 9 logo

I have utilised RHEL and a number of it's derivatives such as CentOS, Fedora, and Oracle Linux in both a personal and professional capacity.

Operating System > Linux


Ubuntu logo

I have utilised Ubuntu, primarily as a server operating system, but also as a desktop operating system.



Bash logo

BASH is the primary terminal I use, and I am very competent at bash scripting for automation.



Pacemaker logo

I have built a number of active-passive clusters on bare-metal utilising Pacemaker and corosync which have been utilised extensively in production environments.



Percona logo

Percona is a database software tool built on top of MySQL and PostgreSQL which features advanced tools for backups, high availability, and monitoring.



Bacula logo

I have operated and maintained large-scale backup solutions built on top of Bacula, a major open-source backup solution.

Web Server


Nginx logo

Nginx is one of the most popular web server solutions in the world. I have built multiple solutions utilising Nginx to power websites, load balancers, and Web Application Firewalls.



NAXSI logo

NAXSI is a web application firewall which integrates into Nginx. I have build custom configuration for a number of different websites to protect against cross site scripting and SQL injection.

Web Server


Plesk logo

Plesk is a control panel for hosting websites. I have installed, managed, and maintained a large number of Plesk instances.

Web Server


cPanel logo

cPanel is a control panel for hosting websites. I have installed, managed, and maintained a large number of cPanel instances.

Contact & Socials