mradder@web:~$ cat about.md
Daniel Green
IT Support & Systems Professional · Microsoft Certified (SC-900) · BSc Computing & IT Student
Profile
Microsoft-certified IT professional with hands-on technical support experience and over seven years leading frontline operations in fast-paced retail environments. Holds the Microsoft Certified: Security, Compliance, and Identity Fundamentals (SC-900) certification and is studying part-time for a BSc (Hons) in Computing and IT with The Open University, achieving a Distinction in TM111.
Brings practical skills from building and maintaining a Windows and Linux home lab, managing a UniFi network, and developing Node.js automation. Known for calm, structured troubleshooting under pressure, clear communication with non-technical users, and careful documentation. Since 2026, focused full-time on study and certification while seeking an entry-level IT Support, Service Desk, or Junior Systems Administrator role.
Core Skills
Operating Systems
Identity & Security
Productivity Platforms
Networking
Virtualisation
IT Service Management
Professional Skills
Development & Open Source
Certifications
Education
BSc (Hons) Computing and IT (In Progress) — The Open University
April 2026 – April 2032 (expected)TM111 Introduction to Computing and Information Technology 1: Distinction. Currently studying TM112 Introduction to Computing and Information Technology 2. Studying computing systems, operating systems, networking fundamentals, and software development through practical coursework and assessments.
Technical Projects & Independent Learning
Filament Logger (open source package)
Maintain a published Laravel/Filament package for audit logging, activity tracking, and admin-panel dashboards — 25+ GitHub stars and available on Packagist. Runs its own CI pipeline with automated tests, PHPStan static analysis, and a SonarCloud quality gate.
VATSIM UK — air traffic controller & contributor
S1-rated controller and code contributor for VATSIM UK, a live, community-run online air traffic control and flight simulation network, contributing to the controller tooling used across the organisation.
mradder.com (this site)
Designed and built this site with Astro, including a GitHub Actions CI/CD pipeline (type-checking, automated Playwright tests, deploy on merge), Dependabot-managed dependency updates, SEO (structured data, sitemap, Open Graph), and hardening against automated scraping.
Home Lab Environment (Windows & Linux)
Designed, deployed, and maintain a virtualised lab of Windows and Linux systems using virtual machines and LXC containers. Configure systems, manage user accounts and permissions, troubleshoot faults across operating systems, run recovery tests to validate backups, and document every change and fix so it can be repeated.
Networking & Infrastructure
Implemented and manage a UniFi-based home network, configuring switches, access points, and gateway settings. Monitor connectivity and performance, and diagnose hardware and network faults using core networking principles.
Software Development & Automation
Built custom Discord bots using Node.js, with event-driven logic, command handling, and third-party integrations. Solved implementation problems independently using official documentation and technical communities.
Experience
Shift Leader — Tesco
April 2021 – December 2025Led shifts across a store team of around 18 colleagues, acting as first point of contact for operational and system issues, diagnosing problems and coordinating fixes under time pressure. Supported colleagues with system and process queries, followed escalation procedures when issues needed specialist teams, and used internal tools for reporting, compliance, and audit, keeping records accurate and complete.
Supervisor — McColl's Retail Group
August 2018 – November 2020Resolved system-related and customer issues to keep daily store operations running, onboarded and trained new colleagues on systems and procedures, and enforced security standards and data handling requirements across the team.
Global Administrator (Paid) — Twitch
September 2013 – January 2015Moderated large global online communities using administrative and automation tools. Investigated incidents, enforced platform policies, documented actions for traceability, and handled escalations across multiple regions and time zones.
Technical Support and Administrator — FPS Gaming Solutions
January 2009 – June 2011Provided technical support across hardware, software, and network environments. Responded to support tickets, troubleshot faults, maintained system records, prepared usage reports, and escalated issues where appropriate.