Petros Rizos

DevOps Engineer

United Kingdom18 yrs 9 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Expert in cloud and Kubernetes at scale.
  • Led transformation to modern SRE practices.
  • Built and managed high-performing engineering teams.
Stackforce AI infers this person is a Cloud Infrastructure and Site Reliability Engineering expert in the Automotive and Technology sectors.

Contact

Skills

Core Skills

Site Reliability EngineeringKubernetesAiEngineering ManagementDevopsLinux

Other Skills

PythonPuppetNetwork AdministrationSystem AdministrationVirtualizationData CenterShell ScriptingNetwork SecurityTechnical SupportLinux System AdministrationSystem DeploymentHDFSRed Hat LinuxRubyMaven

About

Senior engineering manager with a focus on cloud, Kubernetes, infrastructure at scale, distributed systems and site reliability engineering.

Experience

18 yrs 9 mos
Total Experience
1 yr 10 mos
Average Tenure
2 yrs 4 mos
Current Experience

General motors

3 roles

Principal Engineer

Feb 2026Present · 3 mos

  • Exploring AI across engineering domains at scale.

Head of Site Reliability Engineering

Promoted

Oct 2024Feb 2026 · 1 yr 4 mos

  • Bootstrapped GM’s global SRE function from the ground up. Built and led teams across Kubernetes, databases, observability and platform tooling. Transformed a traditional Ops organisation into a modern SRE practice at scale.

Senior Engineering Manager

Jan 2024Oct 2024 · 9 mos

  • Led engineering teams focused on voice-commanded vehicle controls, agentic AI, and AI-driven audio processing.

Apple

Senior Engineering Manager

Jun 2020Jan 2024 · 3 yrs 7 mos · Greater London, England, United Kingdom

  • Kubernetes at scale.

Confluent

2 roles

Engineering Manager

Promoted

Dec 2018Jun 2020 · 1 yr 6 mos

  • Responsible for the European SRE group. First European hire, hired a team of 11, including tech leads from the ground up. The team's stack revolves around GoLang and Kubernetes across all major cloud providers focusing on providing an IaaS layer to Confluent cloud.

Site Reliability Engineer

Dec 2017Dec 2018 · 1 yr

Quantumblack

Lead devops Engineer

Mar 2016Dec 2017 · 1 yr 9 mos · London Area, United Kingdom

Byhiras

Systems Engineer

May 2014Mar 2016 · 1 yr 10 mos · The City, England

Visualdna

Systems Engineer

Sep 2013Apr 2014 · 7 mos · London, United Kingdom

  • Devops engineer responsible for the Linux infrastructure and automation focusing on Puppet, Mcollective and Fabric. We use a Jenkins/Nexus setup along with Selenium for CI. The team is also responsible for the big data infrastructure utilising Cassandra, CDH Hadoop, Redis.

Ebay

Linux systems administrator

Dec 2011Aug 2013 · 1 yr 8 mos · Richmond

  • ● I was responsible for designing and extending the Gumtree.com infrastructure; this involved all aspects of the site such as Application support, Networking and Load balancing, Database administration, monitoring and automation.
  • ● The position was a Devops role utilizing Puppet and Mcollective with Python and Ruby as the main languages. The application support involved Java and Perl applications.
  • ● An additional aspect of the role was working with the developer and QA team to deliver infrastructure and automation tools such as Jenkins, Nexus, and Selenium grid.
  • ● I took part in developer team standups and sprints to provide with advice on systems automation and overall site architecture.

Rackspace hosting

3 roles

Linux systems administrator

Feb 2011Dec 2011 · 10 mos

  • ● I was responsible for the deployment and configuration of our customers production and development environments.
  • ● As a level 1 I was the first point of contact for all technical matters. That included but was not limited to: initial configuration, advice, implementation, troubleshooting, emergencies and maintenances.

Linux system administrator

Apr 2009Jul 2010 · 1 yr 3 mos

  • ● I was responsible for the deployment and configuration of our customers production and development environments.
  • ● As a level 1 I was the first point of contact for all technical matters. That included but was not limited to: initial configuration, advice, implementation, troubleshooting, emergencies and maintenances.

Data centre operations technician Level 2

Jun 2007Apr 2009 · 1 yr 10 mos

  • I have worked as a data centre operations technician across four different data centres in Rackspace, gaining experience in several areas of server deployment and troubleshooting, as well as network device deployment.
  • As a level 2 my responsibilities involved advanced deployment and configuration projects as well as the training of newer technicians on our data centre infrastructure and procedures.

Google

Corporate Infrastructure Engineer

Jun 2010Mar 2011 · 9 mos

Olympic games

Support technician

Aug 2004Aug 2004 · 0 mo

  • I worked at the Press and media centre NOC between the 13th and 29th of august 2004, where I was responsible for level 1 and 2 technical support as part of a multinational team. It was a unique experience in that it involved both technical troubleshooting as well as negotiating an optimal solution with reporting crews from around the world (often with a rudimentary understanding of English) while working in a time critical environment.

Education

The Moraitis School

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