Build, Secure and Optimise Modern IT Environments
IT Integrity is a leading managed services and professional services provider delivering technology solutions to organisations across healthcare, aged care, community services and commercial sectors.
We are seeking an experienced Infrastructure Engineer to join our Technical Services team. This role is ideal for a technically capable engineer who thrives on solving complex infrastructure challenges, designing reliable solutions, and delivering exceptional outcomes for our clients.
You will bring deep networking expertise combined with strong Microsoft infrastructure skills and the ability to work across a broad range of technologies. This is a hands-on role where no two days are the same, requiring a balance of project delivery, technical support, troubleshooting and customer engagement.
About the Role
As an Infrastructure Engineer, you will be responsible for designing, implementing, supporting and optimising critical client infrastructure environments. You will work closely with project managers, consultants, service desk engineers and client stakeholders to deliver secure, scalable and high-performing technology solutions.
You will play a key role in both project delivery and technical escalation, while contributing to the continuous improvement of our services and technical standards.
Key Responsibilities
Design, implement and support enterprise networking solutions.
Deploy and maintain Microsoft server and cloud technologies.
Lead infrastructure-focused project work and technical implementations.




Provide technical escalation and troubleshooting.
Perform infrastructure assessments, audits and health checks.
Develop technical documentation, standards and runbooks.
Support cybersecurity initiatives and infrastructure hardening activities.
Collaborate with internal teams to ensure successful project outcomes.
Participate in solution design workshops and technical planning sessions.
Assist with pre-sales scoping and technical discovery where required.
Technical Skills & Experience
Strong experience with:
Fortinet, Juniper, Aruba, Cisco, Ubiquiti switching and routing
Fortinet and Sophos firewalls and security solutions
VLANs, VPNs, SD-WAN and network segmentation
Wireless network design and optimisation
Network security and performance troubleshooting
TCP/IP, DNS, DHCP and routing protocols
Network monitoring and diagnostics
Microsoft Technologies (Preferred)
Experience with:
Microsoft 365
Windows Server
Active Directory
Group Policy
Hybrid cloud environments
Exchange Online
SharePoint Online
Endpoint management and security
Infrastructure, Virtualisation& Telephony
Experience with:
VMware vSphere
Hyper-V
Storage platforms




Backup and disaster recovery solutions
High availability and business continuity solutions
Infrastructure monitoring platforms
Session Border Controllers
Cybersecurity & Physical Security
Exposure to:
Security baselines and hardening
Conditional Access
MFA and identity security
Vulnerability management
Security frameworks and best practices
CCTV, Access Control, Alarms
About You
You are a technically curious and customer-focused professional who enjoys solving challenging problems and working across diverse client environments.
You will likely have:
5+ years' experience in infrastructure engineering or senior systems engineering roles.
Strong analytical and troubleshooting skills.
Experience working within an MSP, consulting or project delivery environment.
The ability to manage competing priorities and deliver high-quality outcomes.
A continuous improvement mindset and desire to stay current with emerging technologies.
Why Join IT Integrity?
At IT Integrity, you'll work with a highly skilled team that values technical excellence, collaboration and continuous learning.
We offer:
Exposure to a diverse range of technologies and projects.
Opportunities to work with up-to-date cloud, security and AI-driven solutions.
Career progression and professional development opportunities.
Supportive and collaborative team culture.
Competitive remuneration package.
Flexible working arrangements.
#J-*****-Ljbffr

📌 Senior Infrastructure Engineer - Sydney
🏢 IT Integrity
📍 Sydney