Resume — Eddie | Full-Stack Web & iOS Developer

Key Competencies

Linux Administration (Debian/Ubuntu) 24×7 On-Call Operations VMware ESXi / Virtualisation SonicWall Firewall & VPN TCP/IP · DNS · DHCP · Routing UniFi Network Infrastructure Bash & Shell Scripting Python Scripting Jenkins CI/CD Pipelines Microsoft 365 / Azure AD Synology NAS / Backup Systems Docker / Containerisation LDAP / Active Directory SSL/TLS Certificate Management Security Hardening & Geo-IP Filtering Incident Response & Fault Finding Veeam Backup & Recovery SFTP / SSH Server Administration RustDesk Self-Hosted Remote Access Jira / Atlassian Administration

Technical Skills

Operating Systems

Ubuntu 20.04/22.04 LTS, Debian, Red Hat/CentOS, FreeBSD, Windows Server 2019/2008, macOS

Linux Administration

User/group management, SSH/SFTP, chroot jails, UFW, systemd, cron, apt/dpkg, shell scripting

Networking

TCP/IP, DNS (Pi-hole, split-DNS), DHCP, VLANs, STP, IGMP, routing, MTU/MSS tuning, SonicWall TZ570

Virtualisation

VMware ESXi (bare-metal), Docker, Synology NAS container management

CI/CD & Automation

Jenkins (Linux + Windows/Linux agents), GitHub, Bash, Python, PowerShell

Security

Geo-IP filtering, Botnet filtering, TOTP MFA, SSL/TLS (Sectigo), LDAP, credential-stuffing response

Cloud & SaaS

Microsoft 365 / Azure AD, Atlassian/Jira Cloud, Vodia PBX, RustDesk self-hosted

Backup & Recovery

Veeam Backup & Replication, Synology NAS rsync, NBD/HotAdd transport

Monitoring

System health dashboards, SonicWall log analysis, UniFi controller, Pi-hole query logs

Languages

Bash, Python, PowerShell, C#, PHP (Laravel), JavaScript, SQL, AWK/SED, Perl, Swift

Frameworks / Tools

Jenkins, Jira, VS Code, Visual Studio 2017, MySQL Workbench, LightBurn, MSAL/Graph API

Education

Bachelor of Information Technology and Systems

Monash University, Caulfield Campus

Feb 2009 – Nov 2015

Distinction/High Distinction average · Programming, Networking, Industry Experience (CakePHP)

Dual Diploma of Information Technology

Chisholm Institute of TAFE, Frankston

Feb 2008 – Nov 2008

Website Development & Networking · Distinction average (80%) · University entry with credits

Dual Certificate IV in Information Technology

Chisholm Institute of TAFE, Frankston

Feb 2007 – Nov 2007

Website Development & Networking · High Distinction average (85%+)

Referees

Andrew Lysikatos

Chief Executive Officer, Axxin

andrew.l@axxin.com

Robert Holtam

Senior Software Architecture Engineer, Axxin

robert.h@axxin.com

Michael Shamgar

Atomic Software Project Manager, Agilent Technologies

michael.shamgar@agilent.com

Full contact details and additional referees available on request.

Professional Summary

Results-driven Linux Systems Administrator and IT Infrastructure Engineer with 6+ years of hands-on experience in a 24×7 on-call capacity at Axxin. Expert in Debian/Ubuntu server administration, network infrastructure, firewall management, virtualisation, and security hardening. Proven ability to architect, deploy, and maintain complex multi-platform environments spanning Linux, Windows Server, VMware ESXi, and cloud services. Strong background in scripting automation, CI/CD pipeline management (Jenkins), DNS, DHCP, VPN, and distributed systems monitoring.

Professional Experience

Linux Systems Administrator / IT Infrastructure Engineer

Axxin Pty Ltd — Melbourne, VIC

September 2018 – Present

6+ years · 24×7 On-Call

Sole Linux and systems administrator for the entire Axxin environment; available 24×7 for incident response, system outages, and after-hours escalations across all infrastructure layers.
Administer Debian/Ubuntu Linux servers and desktops end-to-end: user account provisioning, package management, kernel updates, cron scheduling, SSH hardening, and SFTP chroot jail configuration.
Architect and maintain VMware ESXi hypervisor environment (172.16.0.0/16 LAN); manage VM lifecycle, snapshot management, datastore health, and Veeam backup and restore operations.
Deploy and administer Docker containers on Synology NAS including self-hosted RustDesk remote-access server (hbbs/hbbr), Pi-hole DNS/split-DNS resolver, and multiple web application stacks.
Manage SonicWall TZ570 firewall and SSL VPN infrastructure: rule creation, Geo-IP filtering, Botnet filtering, TOTP MFA enforcement, SSL certificate management (Sectigo), MTU/MSS tuning, and active threat response including credential-stuffing attack mitigation.
Operate and maintain UniFi switching and wireless estate across 3 server cabinets (~15+ switches); configure STP bridge priorities, IGMP snooping, VLAN planning, and DHCP pool management.
Manage LDAP/LAM user directory on axops01.melb.axxin.com; provision and manage all staff accounts and SMB permissions across Linux and Windows environments.
Administer Microsoft 365 tenant: user lifecycle management, Azure AD security, shared mailboxes, MS Teams, MFA policies, app registrations, and service principal OAuth flows.
Maintain Jenkins CI/CD pipelines on Linux build servers; configure pipeline jobs, Teams webhook notifications, and manage both Linux and Windows build agents.
Administer Jira/Atlassian platform including domain verification, managed account policies, and bulk user onboarding via CSV; support Vodia cloud PBX extension management.
Developed and maintain internal tooling: checksum-based rsync archiving cron jobs, PowerShell SSL VPN MTU scripts, Bash shell scripts for system automation, and a Raspberry Pi Teams soundboard (Graph API, Python, GPIO).
Perform all physical infrastructure tasks: rack cabling, hardware repairs (RAM/HDD upgrades, laptop/desktop), IT stock management, and server room organisation.
Support .NET/C# internal application (Axxin Application v5.7.3) — diagnose runtime exceptions, trace configuration errors, and coordinate fixes with the development team.

Graduate Software Engineer

Agilent Technologies — Mulgrave, VIC

Feb 2017 – Sep 2018

Full-Time

Member of the Atomic Software Team; developed and maintained C# WPF/MVVM desktop applications.
Created and refactored automated test suites using NUnit, Moq, and nMock frameworks.
Practised Agile/Scrum methodologies with sprint planning, daily standups, and JIRA ticket workflows.
Diagnosed and resolved C# defects across multiple product codebases in a regulated laboratory environment.

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Eddie Power

Linux Systems Administrator & IT Infrastructure Engineer