Ricky Jagan
Cloud and Systems Administrator
Profile
Cloud and systems administrator with 17+ years of experience supporting production infrastructure, networks, databases, web services, and security across government, ISP, and small-business environments. Hands-on experience includes Azure and AWS, Linux and Windows Server, Nginx and Apache, DNS, BGP, firewalls, SQL platforms, monitoring, and release automation. Builds practical operational tooling in PowerShell, Bash, Python, C#/.NET, and PHP, with a focus on availability, secure access, recoverable change, and performance.
Core Expertise
Cloud & Platforms: Azure, AWS, Linux, Windows Server, Proxmox, Nginx, Apache, CDN, DNS, SSL and TLS
Networking & Identity: TCP/IP, BGP, firewalls, VPN, RADIUS, RBAC, MFA, TOTP, passkeys, access auditing
Automation & Operations: PowerShell, Bash, Python, Git, release automation, systemd, SFTP deployment, health checks, rollback
Data & Observability: SQL Server, MySQL, MariaDB, indexing, query tuning, caching, backups, telemetry, dashboards, log analysis
Professional Experience
Technical Specialist, Passport Modernization and E-Gate Systems
- Administer and improve production systems supporting passport and border operations across Linux services, Windows workstations, databases, web applications, network shares, and biometric devices.
- Built and operate a multi-service Python and Flask environment on Debian and Proxmox using Nginx, systemd, TLS, MySQL, REST APIs, and environment-managed configuration.
- Automated releases with versioned backups, syntax checks, SFTP deployment, controlled service restarts, HTTP health verification, canary rollout, and rollback safeguards; maintain production changes in Git.
- Implemented monitoring for service health, logs, user activity, workstation heartbeats, device and driver status, and operational incidents, giving support teams actionable visibility into live systems.
- Strengthened security with role-based access control, MFA and TOTP, passkeys, rate limiting, CSRF protection, encryption, certificate handling, signed SHA-verified packages, least-privilege access, and audit trails.
- Reduced a key operational dashboard from 25 database queries to 9 and improved response time from 101 seconds to 25 seconds through indexed joins, query merging, caching, and Python aggregation.
Network Operations Center Operator
- Administer Linux and Windows servers, DNS, firewalls, and BGP-based ISP infrastructure supporting enterprise hosting and high-traffic customer services.
- Monitor availability and performance across web hosting, SSL certificates, CDN routing, caching layers, and backend services; investigate faults before they become prolonged outages.
- Resolve network, API, and application connectivity incidents using packet-level analysis, log review, service checks, and coordinated troubleshooting with technical teams and clients.
Live Game Server DevOps & Cloud Infrastructure
- Architected custom containerized Rust Dedicated Server images integrating SteamCMD, uMod/Oxide runtime, and curated C# plugin sets.
- Built automated GitHub Actions CI/CD workflows building and publishing Docker images to GitHub Container Registry (ghcr.io) with automated rebuilds.
- Authored modular PowerShell orchestration scripts (make.ps1) for SSH tar-streaming deployments to Debian 12 LXC on Proxmox, automated save-game backups, and live RCON telemetry.
- Integrated with Pterodactyl game management panel via custom egg definitions and managed custom map workflows via RustEdit.
IT System Specialist
- Designed and supported PHP and MySQL applications, APIs, inventory and CRM functions, and secure online transaction workflows for a small technology business.
- Configured Apache and Nginx hosting, SSL and TLS, DNS, caching, backups, and performance improvements across customer-facing services.
Earlier Experience (Public Sector & Enterprise IT)
- Field Officer and Office Technician | Office of the Member of Parliament, Siparia (2018 - 2020 & 2011 - 2013): Maintained office systems, web portals, user devices, automation tools, and online public-service workflows.
- Project Evaluation Officer | Ministry of Works and Transport, Fyzabad (2014 - 2015): Supported data processing, analytics, reporting, and Microsoft Dynamics-based operational systems.
- IT Technician and Sales Support | Wizz Computers Ltd, Point Lisas (2010 - 2011): Diagnosed hardware, managed RMA cases, and supported customers in a fast-paced retail IT environment.
- IT Support Operator | Byte Technologies Professional, San Fernando (2008 - 2010): Supported nationwide hospital infrastructure deployments, including servers, workstations, structured cabling, and application configuration.
Education
MSc Data Analytics and Cyber Intelligence | 2023 - Present
BSc Information Technology, First Class Honours | University of Bedfordshire (UOB) | 2021
Certifications
Microsoft Certified: Azure Fundamentals (AZ-900), 2022
CompTIA Security+, 2015
CCNA, 2014
MCSA Windows Server 2012 and MCTS, 2013
CompTIA Network+ and A+, 2010
Cloudflare Performance and Security Badge, 2020
Adobe Magento Certified Associate Developer, 2020
Technical Skills Summary
Infrastructure: Azure, AWS, Debian, Ubuntu, CentOS, Windows Server, Proxmox, Nginx, Apache, systemd, cPanel, DirectAdmin
Networking: DNS, BGP, TCP/IP, SNMP, CDN, SSL and TLS, VPN, RADIUS, pfSense, SonicWall, packet analysis
Automation & Dev: PowerShell, Bash, Python, C#/.NET, PHP, JavaScript, REST APIs, Git, Visual Studio
Data & Operations: SQL Server, MySQL, MariaDB, SQLAlchemy, schema design, indexing, query tuning, caching, connection pooling
Security & Reliability: RBAC, MFA, TOTP, passkeys, encryption, certificate management, audit logging, backups, restore, health monitoring