Level 4 Engineer (Senior Systems Engineer)

About the Role

We are seeking an experienced Level 4 Senior Systems Engineer to provide technical leadership, advanced escalation support, solution architecture, and complex project delivery across Microsoft, cloud, networking, and security environments.

This role is suited to a commercially minded senior engineer who can solve complex technical challenges, lead infrastructure and cloud initiatives, mentor technical teams, and build trusted relationships with clients. You will operate as a senior technical authority while driving improvements across customer environments and service delivery.

About the Client

You will be working with an established managed services provider supporting businesses across Australia with managed IT services, cloud solutions, technology procurement, and software licensing. The organisation places a strong emphasis on quality, accountability, trusted technical partnerships, and delivering strong outcomes for its clients.

Ideal Profile

Technical Expertise

10+ years of experience in the IT industry, including 5+ years within an MSP environment supporting multiple customers

Advanced Microsoft 365 administration and architecture experience

Strong hands-on expertise across Microsoft Entra ID, Intune, Azure, Microsoft operating systems, and cloud infrastructure

Advanced networking and firewall administration capabilities

Experience with enterprise Wi-Fi, network infrastructure, VPNs, routing, switching, VLANs, WAN, and internet connectivity

Strong understanding of endpoint security, backup and disaster recovery, and cybersecurity principles

Experience with PowerShell scripting and automation

Proven ability to design, troubleshoot, and improve complex infrastructure environments

Security & Cloud

Experience implementing security controls and remediation strategies

Understanding of security frameworks and compliance requirements, including Essential Eight, CIS Controls, NIST, and cyber insurance requirements

Experience with security monitoring, incident response, and security investigations

Microsoft Sentinel, SIEM, Microsoft Defender, Azure Virtual Desktop, and Cloudflare experience is highly desirable

Platforms & Technologies

Ubiquiti UniFi and Sophos Firewall experience is advantageous

Familiarity with Microsoft Teams Phone is beneficial

Experience with ConnectWise Manage, ConnectWise Automate, IT Glue/IT Boost, and ITIL is desirable

Leadership & Client Engagement

Proven experience leading technical initiatives and mentoring engineers

Strong client-facing and stakeholder management capabilities

Ability to communicate technical concepts and solutions to both technical and non-technical audiences

Strong analytical and problem-solving skills

High attention to detail with a proactive, accountable, and outcome-focused approach

Strong organisational skills and the ability to work independently and make sound technical decisions

Commitment to continuous learning and professional development

Certifications

Preferred certifications include

Microsoft Certified: Enterprise Administrator Expert

Microsoft Certified: Azure Solutions Architect Expert

Microsoft Certified: Cybersecurity Architect Expert

Microsoft Certified: Security Operations Analyst

CCNA, CCNP, or equivalent networking certification

CISSP, CISM, CEH, or equivalent cybersecurity certification

ITIL Foundation or higher

Responsibilities

Technical Leadership & Escalation

Act as the highest level of technical escalation for Level 1–3 engineers

Lead root cause analysis for complex infrastructure and cloud issues

Mentor and guide technical team members

Develop and maintain technical standards, procedures, and best practices

Review and approve technical solutions and project designs

Microsoft 365 & Cloud Solutions

Design, implement, and optimise Microsoft 365 environments

Lead projects across Microsoft 365, Entra ID, Intune, security, SharePoint, Teams Phone, and Azure

Implement and improve Zero Trust security frameworks

Drive automation initiatives using PowerShell and Power Platform

Infrastructure & Networking

Design and support enterprise-grade networking environments

Configure and troubleshoot firewalls, routing, switching, VLANs, VPNs, network security, WAN, and internet connectivity

Lead architecture reviews and network improvement initiatives

Provide advanced support across Ubiquiti, Sophos, and other network technologies

Security & Compliance

Conduct security reviews and vulnerability assessments

Design and implement cybersecurity controls and remediation plans

Support compliance with relevant security frameworks and cyber insurance requirements

Assist with incident response and security investigations

Implement and manage SIEM and security monitoring solutions

Project Delivery & Solution Architecture

Lead the design and delivery of complex infrastructure and cloud projects

Participate in solution scoping and pre-sales activities

Work with management to identify technology opportunities and improvements

Ensure projects are delivered to scope and a high standard

Contribute to solution architecture and strategic technology planning

Documentation & Operational Excellence

Maintain accurate technical documentation, diagrams, as-builts, knowledge articles, and SOPs

Maintain accurate project updates and service records

Drive continual service improvement across the business

Identify opportunities to improve service quality, operational efficiency, security, and technical standards

Client Engagement

Act as a trusted technical advisor to clients

Participate in technical strategy meetings and client reviews

Translate technical solutions and concepts into clear business outcomes

Maintain a high standard of customer service and professional conduct

How we take care of our team

💰 Get paid in Australian Dollars

🏥 Medical insurance from day one for you + spouse (or parents if unmarried)

🩺 Generous OPD coverage from doctor visits to all your medical needs

🏡 Home office setup allowance to build your ideal workspace

🌐 Internet allowance to keep you connected

💪 Gym & wellness allowance to stay fit and balanced

🎉 Work hard, play hard – regular team events & engagement activities

🧠 Diji Assist – Mental health & counseling support when you need it

📚 We invest in you – reimbursement for industry certifications

🗣️ Open-door culture – your ideas and feedback always matter

🌍 Flexible work – home or office, wherever you do your best work

🏆 Rewards & recognition that actually recognize you

🥳 Great christmas & financial year-end parties to unwind with your loved ones