IT Systems Engineer, Infrastructure Engineer
DyFlex Solutions
full-time
Posted on:
Location Type: Hybrid
Location: Melbourne • Australia
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Tech Stack
About the role
- 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.
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 Essential Eight, with exposure to ISO 27001 or SOC 2 considered highly advantageous
- 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.
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
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
Windows Server 2022Active DirectoryMicrosoft 365Microsoft Entra IDAzurePowerShellPower AutomatecybersecuritySUSE Linuxfirewall administration
Soft Skills
communicationcollaborationcoachingknowledge sharingstakeholder communicationproblem-solvingteam leadershiptechnical documentationprocess improvementend-to-end delivery
Certifications
ISO 27001SOC 2