MARIUS LOTTER

Summary

Senior network and infrastructure professional with background in IT management, network administration, and technical support across LAN, WAN, VPN, and wireless environments. Lead Meraki rollouts, maintain firewalls and remote access platforms, and resolve complex incidents while working with vendors, security teams, and end users.

Overview

1

Certification

26

years of professional experience

Work History

IT Senior Network Administrator

Legal Aid Queensland

05.2012 - Current

Commissioned a Meraki Network & WAN Platform across all corporate and regional office locations.
Managed network infrastructure for Legal Aid across multiple offices and remote locations to ensure seamless connectivity.
Manage Meraki MX Appliances, Switches, and WAPs through the Meraki Dashboard.
Configured and maintained routers, switches, firewalls, and wireless access points.
Configured firewall, VPN, and switch settings to support secure access to general staff and lawyers.
Monitored network performance and fixed outages affecting staff and client services.
Monitored network performance, availability, utilization, throughput, and latency.
Coordinated response to security alerts and network faults, minimizing downtime and enhancing overall network stability.
Assisted Cybersecurity team with incident remediation and resolution.
Developed and implemented security policies to protect the organization’s data from unauthorized access.
Analyzed logs from various devices to identify possible security threats or network anomalies.
Maintained technical documentation for network changes and support procedures.
Liaised with the network team to configure, implement, and administer LAN and WAN components.
Supported, configured, maintained, and upgraded customer networks and in-house servers.
Trained junior staff on best practices for configuring networking devices.
Resolved complex technical issues related to LAN and WAN infrastructure.
Worked independently while coordinating project work and support functions with team members.
Worked with vendors and internal teams on infrastructure upgrades and repairs.
Coordinated with vendors to purchase networking equipment based on business needs.
Planned and executed equipment selection, installation, configuration, and testing.
Delivered high-level support and maintenance for hardware, software, and applications to improve performance and reduce bottlenecks.
Supported telephony and connectivity services used by Legal Aid operations.
Created user accounts and assigned permissions to ensure secure access.
Administered user access controls in Microsoft environments and shared resources.
Implemented and supported voice services and equipment.
Performed routine system maintenance, including operating system upgrades and patching.
Designed and implemented LAN and WAN architectures, enhancing scalability and reliability of existing networks.
Met project specifications by analyzing and recommending suitable software solutions.
Reviewed, analyzed, and recommended software solutions aligned with project specifications.
Researched, recommended, configured, and supported hardware and software for multiple departments.
Installed security software to protect networks.
Improved system security and performance through proactive changes.
Planned, tested, and supported high-availability infrastructures.
Submitted recommendations for infrastructure overhauls.
Researched, recommended, configured, and supported hardware and software for multiple departments.
Installed security software to protect networks.
Improved system security and performance through proactive changes.
Implemented and supported voice services and equipment.
Planned, tested, and supported high-availability infrastructures.
Submitted recommendations for infrastructure overhauls.