L3 Systems Engineer

Location: Sri Lanka; remote

Company

Work with a growing Australian managed services and technology provider delivering cloud and on-premises infrastructure, managed IT support, cybersecurity, compliance, networking, communications, and specialist technology solutions.

What you will do

• Act as the senior escalation point for complex, high-impact, and persistent technical incidents.
• Lead advanced troubleshooting and root-cause analysis across Microsoft 365, Microsoft security, identity, endpoints, cloud, and on-premises infrastructure.
• Design, build, configure, and deploy infrastructure and security solutions for technology projects.
• Support server, virtualisation, networking, firewall, SD-WAN, remote-site, and security uplift initiatives.
• Guide Level 1 and Level 2 engineers while collaborating with senior engineers, project managers, and technical leadership.
• Create solution designs, configurations, handover materials, technical documentation, and accurate PSA/RMM service records.

Requirements

• Level 3 or senior systems engineering experience within an MSP or complex, multi-site IT environment.
• Advanced experience with Microsoft 365, Windows, Microsoft Azure, Entra ID, cloud infrastructure, and on-premises systems.
• Strong knowledge of Microsoft security, identity, endpoint, and access management.
• Experience with servers, virtualisation, networking, firewalls, infrastructure deployments, and complex incident resolution.
• Understanding of cybersecurity and compliance-focused environments, with the ability to apply security, operational risk, and compliance requirements.
• Ability to work autonomously, communicate clearly, and maintain high standards of technical documentation and knowledge sharing.

Nice to have

• Familiarity with the Australian Essential Eight, ISO-aligned environments, DISP, SOCI, or comparable frameworks.
• Experience with VMware, SD-WAN, Starlink, remote-community networks, IoT, cameras, alarms, or building systems.
• Experience with PSA, RMM, and knowledge-management platforms.
• Experience with Datto, Fortinet, Ubiquiti, Ruckus, Hyper-V, 3CX, and related infrastructure and security technologies.

Culture & Benefits

• Remote work with flexible home or office arrangements.
• Medical insurance from day one for the employee and spouse, or parents if unmarried.
• OPD coverage, home office setup allowance, internet allowance, and gym and wellness allowance.
• Mental health and counseling support through Diji Assist.
• Reimbursement for industry certifications, regular team events, and rewards and recognition.
• Compensation is paid in Australian Dollars.