IT Systems Engineer | Infrastructure Engineer (Melbourne)

DyFlex Solutions

1d • Remote

About The Position

We are seeking a Melbourne or Adelaide based Systems Engineer to take ownership of our core infrastructure and Microsoft stack. This role is a key addition to our national IT team, focusing on building, maintaining, and securing the server environments that power our award-winning SAP solutions. You will work with a high degree of autonomy, managing our Azure footprint and driving our recent cybersecurity initiatives. This role is ideal for a Windows-focused engineer who enjoys cloud automation, security uplift, and working in a flexible, primarily remote environmen t while having the support of or local Adelaide or Melbourne offices.

Requirements

• 4+ years of experience in systems engineering / systems administration or infrastructure engineering.
• Deep expertise in the Microsoft ecosystem, including Windows Server 2022, Entra ID (hybrid), Azure, and Microsoft 365.
• Proven ability to automate processes using PowerShell (advanced scripting) and/or Power Automate.
• Strong background in cybersecurity uplift: patching, hardening, vulnerability remediation, and identity/endpoint security.
• Hands‑on experience with ASD E ssential Eight, with exposure to ISO 27001 or SOC 2 will be highly regarded.
• Experience in firewall administration (e.g., Sophos), routing/switching fundamentals, and secure remote access design.
• Experience supporting or administering Linux (SUSE preferred) within a predominantly Windows environment.
• Demonstrated ability to deliver technical upgrades end‑to-end with high‑quality documentation and handover.
• Experience producing clear technical diagrams and architectural documentation.
• Strong communication, collaboration, and coaching skills, with the ability to guide junior team members.

Responsibilities

• Manage and optimise our Microsoft ecosystem, including Windows Server, Active Directory, and Microsoft 365.
• Administer and enhance Microsoft Entra ID in a hybrid environment, including Conditional Access, SSO integrations, and identity security controls.
• Lead our cybersecurity uplift, driving vulnerability remediation, system hardening, Essential Eight maturity, and Microsoft Defender improvements.
• Contribute to the implementation and operationalisation of Microsoft Sentinel, including onboarding data sources and alert tuning.
• Architect, manage, and scale our Azure environment (IaaS/PaaS) to support a rapidly growing national team.
• Act as the final Level 3 escalation point for complex server, identity, networking, and endpoint issues.
• Oversee network integrity and security, including firewall management, site‑to‑site VPNs, remote access VPNs, and uplift of network segmentation.
• Drive infrastructure automation and consistency by developing and maintaining advanced PowerShell scripts and automations.
• Support and enhance our SOE, server build patterns, platform standards, and operational processes.
• Maintain and monitor our mixed environment, including SUSE Linux servers used for internal projects.
• Manage and improve monitoring, backup processes, and core operational reliability.
• Deliver technical upgrades end‑to-end, including planning, implementation, testing, documentation, stakeholder communication, and handover.
• Create and maintain clear technical documentation, procedures, build standards, and architecture/network diagrams.
• Work closely with internal stakeholders and external vendors to plan and deliver changes.
• Coach and uplift team members through knowledge sharing, pairing, and practical guidance.
• Support our journey toward ISO 27001 and SOC 2 compliance through rigorous documentation, secure configurations, and operational discipline.

Benefits

• A flexible and supportive work environment
• Competitive remuneration and benefits including novated lease, birthday leave, salary packaging, wellbeing programme, additional purchased leave, and company-provided laptop
• Comprehensive SAP training and certifications
• Join a renowned organisation delivering projects to some of APAC's leading enterprises

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed