IT Support Engineer ( Level 2/3 )

Fluxit; Perth; Hybrid; AUD 120,000 - 180,000; Full time

Job summary

Flux IT in Perth is seeking a senior IT infrastructure engineer to own complex multi-tenant environments, cloud parameters, and edge networking. The role emphasizes advanced escalation management and enterprise-scale deployments across hybrid on-site settings.

You will mentor junior technicians, lead high-level project delivery, and ensure clockwork stability and rapid incident mitigation in demanding client environments.

Qualifications

• 4–6+ years of senior IT infrastructure or enterprise support experience.
• MSP or multi-tenant environment experience preferred.
• Valid AU Driver’s Licence required.

Responsibilities

• Advanced escalation management: diagnose and resolve high-impact hardware, hypervisor, or software failures within SLA.
• Network and edge hardening: configure, manage, and audit enterprise firewalls, switches, routing, and wireless perimeters.

Skills

Hypervisors

Identity & Cloud

Networking Core

Education

Cisco CCNA

Microsoft MCSE

ITIL

CompTIA A+

VMware certifications

Job description

An elite infrastructure role engineered for a senior technical professional seeking deep architectural ownership across complex multi-tenant environments, cloud nodes, and edge networking parameters.

Classification Full-Time / Permanent

Location Deployment Perth (Hybrid / On-Site)

Experience Tier 4–6+ Years Level 2/3 Support

Compliance Prerequisite Valid AU Driver’s Licence

About Flux IT // We are a premier, Perth-based managed IT and cybersecurity provider architecting robust technical infrastructure for expanding SMB and mid-market enterprise clients both nationally and globally. Because our client environments process complex transactional data spaces and strict up-time demands, we engineer system workflows that prioritize ironclad stability, fast mitigation loops, and high-fidelity operational response every single day.

The Blueprint // This is not a static tech-refresh or repetitive call-logging role. As a Level 3 IT Support Engineer at Flux IT, you will operate as a core escalation authority, actively solving complex infrastructural emergencies, configuring edge network boundaries, and deploying enterprise-grade cloud parameters. If you look at chaotic, challenging infrastructure problems as an avenue to learn, scale your technical capabilities, and mentor an expanding team, you will thrive here. No two days across our network plane look the same.

Core Operational Responsibilities

[SYS_SUPPORT]

Advanced Escalation Management: Deliver comprehensive Tier-3 structural diagnostics for high-impact hardware, hypervisor, and software failures, ensuring resolution occurs cleanly within defined SLA limits.

[NET_INFRA]

Network & Edge Edge Hardening: Configure, manage, and continuously audit enterprise firewalls, core switches, routing lanes, and wireless nodes against industry cyber security best practices.

[PROACTIVE_OP]

Root Cause & Optimization: Execute granular root-cause audits on repeating anomalies, deploy long-term systematic fixes to prevent regression, and proactively minimize system outage vectors.

[PROJECT_TEAM]

Deployments & Mentorship: Architect and guide high-level infrastructure project delivery (tenant migrations, server refreshes) while actively mentoring junior technicians to foster a collaborative culture.

// HARDCORE ENVIRONMENT STACK

Technical Capabilities Required

• Hypervisors: Expert-level administration of Windows Server, VMware ESXi, and Hyper-V architectures.
• Identity & Cloud: Advanced directory configuration across Microsoft 365 core, Exchange, Entra ID (Azure AD), Teams, and SharePoint.
• Networking Core: Deep alignment with multi-vendor firewall policies, VLAN structures, routing optimization, and modern wireless perimeters.

// PREFERRED ACCELERATORS

Advantageous Qualifications

• Background: Direct operational background within an active MSP or multi-tenant corporate environment.
• Certifications: Validated milestones including Cisco CCNA, Microsoft MCSE, ITIL, CompTIA A+, or advanced VMware validations.
• Hardware Plane: Direct engagement with Dell bare-metal enterprise server architecture, high-capacity storage controllers, and advanced backup immutability arrays.

Why Professional Engineers Choose Flux IT

• We fundamentally understand that top-tier talent requires room to evolve.
• At Flux IT, we provide a genuinely flexible, supportive workspace where your career development isn’t capped by bureaucracy.
• We systematically fund continuing education paths, expose our engineers to a highly diverse array of bleeding-edge technical stacks, and encourage deep strategic involvement across high-level client architectures.
• You will grow as a technical leader here.

// WORKPLACE ONBOARDING PIPELINE