IT Systems Engineer / Cyber Security

DyFlex is an established SAP Platinum Partner with offices across Australia. We are recognised as a leader in our area of SAP expertise. We deliver fit-for-purpose SAP solutions, and our services range from greenfield and brownfield implementations, change management to ongoing Aftercare services and support. In 2025, we have been awarded

✓ Best Performing Partner in Australia for S/4 HANA Public Cloud

✓ Best Performing Partner in Australia for Speed of Delivery

✓ Best Performing Partner in Mid-Market

✓ Highest Selling Partner in Australia

About the Role:

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 environment while having the support of our local Adelaide or Melbourne offices.

Tasks

• 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 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.

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

DyFlex is committed to providing a safe, flexible and respectful environment for staff free from all forms of discrimination, bullying and harassment. We are proud of our diverse and inclusive team as only together we can continually improve ourselves and achieve best outcomes for our customers – we are the region's leading SAP Platinum Partner!

Please note that we can’t offer sponsorship for this role and we expect a clear statement about your legal rights in Australia, especially if you are applying from overseas.All applicants must be base in the Melbourne or Adelaide areas