Fletcher B. - Lead DevOps Contractor

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United Kingdom

Experience

Jul 2023 - Oct 2023

4 months

Lead DevOps Contractor

NDA (Property Sales)

Upskilling and best practices
Creating new proprietary POCs
YAML pipelines
Automation
Architecting whole system migration solutions
C# development work
NuGet package inclusion, builds, restores, and package fixes

Mar 2023 - Jul 2023

5 months

DevOps Contractor

NDA (Private Healthcare)

Kubernetes and AKS
Helm charts
YAML pipelines
GitHub Actions
Python coding and shell scripting
Automation
Code and solution reviews

Aug 2022 - Nov 2022

4 months

DevOps Engineer

Pets At Home

Greenfield estate
CI/CD pipelines
Terraform
YAML
Checkov
SonarCloud
Production code reviews and module design
Proprietary solutions creation
Azure fixes
Code security reviews

Feb 2022 - Sep 2022

8 months

Platform & Automation Engineer

British Car Auctions

Legacy infrastructure to IaC migrations
Migrated entire production platform to Terraform IaC from manual deployments
Big-data scripting and regex at scale
Custom code fixes and transformations at scale
YAML CI/CD pipelines
Key vault and environment variable secrets integration
YAML parameters
Azure enterprise-scale platforms

Feb 2022 - Jul 2022

6 months

Interim Lead DevOps Engineer

Audley Travel

Onboarding two new DevOps engineers
Performing interviews, handovers, and knowledge transfer sessions
Technical discussions
YAML, PowerShell, Terraform coding and syntax reviews

Apr 2021 - Sep 2021

6 months

DevSecOps Engineer

NewDay Ltd

Enterprise audit of a £2 bn Azure estate across 15+ subscriptions
R&D for Azure REST API integration
Writing security policy and audit reports for board- and director-level clients
Data automation scripts for statistics using Bash, PowerShell, KQL, REST APIs and BI
R&D for Azure Security Center to Atlassian product integrations
Discovered main flaws in the DevOps chain causing security issues at scale

Sep 2020 - Apr 2021

8 months

Lead DevOps

BAE Systems Ai Applied Intelligence Division

Supported a team of 20–30 developers and stakeholders
Managed the entire production estate (10+ cloud hosts) and non-production environment (50+ cloud hosts)
Proprietary Azure fixes for RPA bots and machine learning infrastructure
Custom workarounds for production issues
IaC, PAC, Terraform, YAML and DevOps
Architected and created custom critical, high and medium security patches
Patching, security and bot management/maintenance
Automation of Agile and Lean processes
Ad-hoc DevSecOps penetration testing

Sep 2020 - Sep 2020

1 month

Azure DevOps Engineer

RBS Pollinate

Worked as part of a team of three in the PayIt team
First end-to-end payment transactions
Terraform and full B2C automation
PSD2 compliance
Fully automated API deployment with APIM, API, Swagger spec and policy
Designed and built end-to-end payment refunds in Logic Apps
Kubernetes and Helm
REST API fixes, JWT tokens, Postman
Security reports and hardening
Architected and enacted end-to-end solutions for production app refunds and payments
Created low-level and high-level designs for both processes and solutions

Sep 2019 - Dec 2019

4 months

Cloud DevOps Engineer

EuroMoney

Fixed and rewrote entire DR cloud IaC in Terraform
Hiera data, load balancers, HAProxy, Nginx, config drift management
Converted ARM templates to Terraform
Bot Framework V4 SDK
Azure CLI, Terraform, PowerShell, C#
DevOps automation chatbots
C# bots and Bot Services
YAML and JSON policies
VM extension provisioning scripts
Automation of auto-scale and auto-scaling
REST APIs and custom Octopus CI/CD
Terraform, Puppet, Ansible, TeamCity, Octopus, Vault, Docker
API management, key vaults
Bash, PowerShell and JSON scripting
Kubernetes persistent volumes and dynamic provisioning

Mar 2019 - Oct 2019

8 months

Cloud DevOps Engineer

Genistar

Sole lead DevOps in a team of ten, bridging PHP and .NET development teams
Managed all build and release pipelines
Managed all production cloud servers handling £1–5 m in annual sales
Co-rewrote live site payments to PCI-compliant PayPal checkouts
Unix system security traps
MySQL binary log audit and forensics
Azure SQL
Automation and YAML pipelines
REST API HTTP GET webhook triggers
Function app and app service deployments
PowerShell and Bash scripting
B2C and Azure Data Factory
Launched the new system live and automated support emails to VSTS items using Flow automation

Mar 2018 - Oct 2018

8 months

Cloud Engineer

Vanquis Bank

C# Azure and Terraform
Custom Splunk; rewrote 700+ lines of CIS security scripts; Nessus testing
Ansible custom config scripts
Terraform custom automated deployments
VSTS CI/CD pipeline creation and management (40+ pipelines)
Razor and cloud C#
Unix/Linux expert support and PagerDuty full automation
Azure resource, function app, and build/release deployment automation

Feb 2018 - Jun 2018

5 months

DevOps Engineer

Jellyfish Online Digital Marketing Ltd

Supported 60 developers globally in a team of two
Jenkins, Nginx, Apache/Httpd, Varnish, MySQL database and live site management
Malware and hacked site investigations for internal and external customers
Bash, Python and PHP scripting
Internal penetration tests for six-figure projects
CMS setups: WordPress, Joomla, Drupal, Node, NVM, NPM production setups
Puppet and production firewall management and reverse proxy builds
Managing live production systems, debugging live changes, ensuring uptime
High-pressure repair and fix of heavy-load live customer websites
Progressive web app development

Jun 2016 - Dec 2016

7 months

Linux/Unix Systems Administrator

Gordian Knot Ltd

Worked in a team of four on Sybase ASE 15 SMF and Solaris 8/9/10
JIRA installation and JASS rollouts
Expect (Tcl) and Bash scripting for proxy logs and malware
SAN and ZFS management
Solaris zones
PHP web development and UAT
PowerShell and MySQL database management
FCA compliance
Oracle Solaris system administration I & II
Firewall and proxy builds

Dec 2013 - May 2014

6 months

Junior Penetration Tester

CNS Group

Application and infrastructure testing
Phishing site takedowns
Custom scripts and hacks; discovered three zero days
Internal and external tests
Malware and live site analysis
£20 m+ bank hacks
Presentations and customer management
0day research and development

Jun 2011 - Jun 2012

1 year 1 month

Network Security Intern

Thomson Reuters

Administered global firewalls, routers and switches
iLO and Citrix administration
Skybox Security bespoke configuration and administration
Monitoring
Perl and shell scripting
Liaised with foreign teams and vendors
Security testing and Unix administration in a department of ten
Successfully turned a $1 m project into a renewal in its fifth year, securing a three-month extension offer