Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm John Dixon, a Site Reliability / Systems Engineer & Consultant with 16+ years of experience designing, operating and automating mixed Windows/Linux estates across AWS, GCP, and on-prem environments. I focus on uptime, security hardening, delivery speed and robust monitoring with clear runbooks, and I’m the go-to person for customer interactions and cross-team collaboration, mentoring engineers and guiding releases. I’ve led global deployments, reduced alert noise, and tackled legacy infrastructure under tight timelines, while adopting IaC practices, SRE principles and modern observability tooling. I enjoy problem-solving, continuous learning, and sharing knowledge across time zones and teams.…I'm John Dixon, a Site Reliability / Systems Engineer & Consultant with 16+ years of experience designing, operating and automating mixed Windows/Linux estates across AWS, GCP, and on-prem environments. I focus on uptime, security hardening, delivery speed and robust monitoring with clear runbooks, and I’m the go-to person for customer interactions and cross-team collaboration, mentoring engineers and guiding releases. I’ve led global deployments, reduced alert noise, and tackled legacy infrastructure under tight timelines, while adopting IaC practices, SRE principles and modern observability tooling. I enjoy problem-solving, continuous learning, and sharing knowledge across time zones and teams.

John Dixon

Cloud Developer, DevOps Developer, Back-End Developer, +2





I'm John Dixon, a Site Reliability / Systems Engineer & Consultant with 16+ years of experience designing, operating and automating mixed Windows/Linux estates across AWS, GCP, and on-prem environments. I focus on uptime, security hardening, delivery speed and robust monitoring with clear runbooks, and I’m the go-to person for customer interactions and cross-team collaboration, mentoring engineers and guiding releases. I’ve led global deployments, reduced alert noise, and tackled legacy infrastructure under tight timelines, while adopting IaC practices, SRE principles and modern observability tooling. I enjoy problem-solving, continuous learning, and sharing knowledge across time zones and teams.…I'm John Dixon, a Site Reliability / Systems Engineer & Consultant with 16+ years of experience designing, operating and automating mixed Windows/Linux estates across AWS, GCP, and on-prem environments. I focus on uptime, security hardening, delivery speed and robust monitoring with clear runbooks, and I’m the go-to person for customer interactions and cross-team collaboration, mentoring engineers and guiding releases. I’ve led global deployments, reduced alert noise, and tackled legacy infrastructure under tight timelines, while adopting IaC practices, SRE principles and modern observability tooling. I enjoy problem-solving, continuous learning, and sharing knowledge across time zones and teams.

Available to hire

I’m John Dixon, a Site Reliability / Systems Engineer & Consultant with 16+ years of experience designing, operating and automating mixed Windows/Linux estates across AWS, GCP, and on-prem environments. I focus on uptime, security hardening, delivery speed and robust monitoring with clear runbooks, and I’m the go-to person for customer interactions and cross-team collaboration, mentoring engineers and guiding releases.

I’ve led global deployments, reduced alert noise, and tackled legacy infrastructure under tight timelines, while adopting IaC practices, SRE principles and modern observability tooling. I enjoy problem-solving, continuous learning, and sharing knowledge across time zones and teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior SRE at OpenText

August 1, 2021 - April 1, 2025

Provide support, improve, and implement infrastructure as code and applications on top of various platforms in AWS. Troubleshoot and triage issues. Be a point of contact internally for the development teams. This backend DevOps role involved 100% remote support, mentoring engineers through code reviews and sessions; ramped quickly due to technical debt; led initiatives reducing alert noise and modernizing legacy infrastructure under strict timelines; on-call 1 week in 2.

ITOM Solutions Consultant at ZENOSS

August 1, 2017 - August 1, 2021

Integral part of the UK team deploying Zenoss product suite; responsible for design, installation, configuration and rollout; secured technical close; travel to Dubai, Texas, Madrid for deployments; engaged across many systems; experience with Python, Docker, SSO, SAML and REST APIs.

Senior Cloud and Apps Engineer at NODE4

May 1, 2014 - August 1, 2017

Most senior team member, mentoring staff; monitor, support, configure, certify and, in some cases, physically build private cloud environments. Wide technical scope: Windows Server, vSphere, VCloud Director, Citrix Netscaler, Linux; architecture of new environments and cloud services; AWS, GCP; IaC & Automation (Terraform); cloud design and consultancy.

Cloud Architect at INTEROUTE

May 1, 2012 - May 1, 2014

Designing, deploying, configuring and supporting customer environments on a shared cloud platform. Networking (IPv4), VPNs (site-to-site and SSL), storage provisioning, backups and DR, including pre-existing Exchange environments; responsible for end-to-end deployment and customer configurations.

Senior Analyst at RDS GLOBAL

October 1, 2010 - May 1, 2012

Looking after the company’s co-located systems; 3rd line duties; mentoring 1st/2nd line staff; designed, purchased and implemented a shared virtual platform to expand services; transitioned 15+ customer sites with over 150 staff.

IT Consultant at PRINT-SOURCE

October 1, 2009 - October 1, 2010

Temporary contract that transitioned to permanent as part of a complete upgrade of all systems to facilitate growth; upgraded desktops, servers, software, e-mail and data retention; supported future infrastructure needs.

Freelance Consultant at PANTHEREX

May 1, 2012 - Present

Consult on all IT related matters for various agencies and large brands; vet outsourced agency solutions; led technical deployment of an affiliate programme for one of the largest fashion brands in the world.

Systems Administrator at Orange Logic

April 1, 2025 - Present

Own internal IT systems (SSO, Google Workspace, MDM, Patch management); senior escalation for EU internal IT. Manage and optimize Windows and Linux servers and AWS/GCP services for the product; troubleshooting and customer support; European lead for internal IT.