ABOUT THE ROLE We are seeking an experienced Senior Systems, Network & Security Engineer  to lead the design, implementation, and optimisation of complex IT infrastructure and cybersecurity solutions across diverse client environments. This role is suited to a highly skilled technical professional who thrives on solving complex challenges, driving operational improvements, and delivering exceptional outcomes for customers. You will play a key role in project delivery, technical leadership, infrastructure management, cybersecurity initiatives, and service escalation support. Working closely with internal teams and clients, you will ensure technology environments remain secure, scalable, and aligned with business objectives. ABOUT THE CLIENT You will be working with an award-winning Australian IT services provider delivering end-to-end technology solutions, managed services, cybersecurity, and ongoing IT support to businesses across a wide range of industries. The organisation is recognised for its customer-first approach, technical expertise, and commitment to delivering proactive technology solutions that help clients focus on growing their businesses. With a strong culture of continuous improvement and technical excellence, the company offers the opportunity to work on diverse projects while collaborating with highly skilled professionals across infrastructure, cloud, security, and managed services. IDEAL PROFILE EXPERIENCE & TECHNICAL EXPERTISE * Extensive experience working within IT services, managed services, or senior infrastructure support environments * Proven expertise in designing, implementing, and supporting complex IT systems and infrastructure solutions * Strong understanding of cybersecurity principles, vulnerability management, and risk mitigation * Experience supporting corporate, operational technology, and customer-facing environments * Demonstrated success delivering technical projects from planning through implementation INFRASTRUCTURE & SECURITY TECHNOLOGIES * Strong hands-on experience with: * Microsoft Intune * ThreatLocker * Cisco Duo * Mobile Device Management (MDM) platforms * Cisco Meraki * Azure Virtual Machines * Remote Desktop Services (RDS) environments * Veeam Backup solutions * ImmyBot * Advanced PowerShell scripting and automation experience AUTOMATION & CONTINUOUS IMPROVEMENT * Experience leveraging automation to improve operational efficiency * Exposure to REWST automation platforms is highly desirable * Experience with Microsoft Power Automate (Flow) is advantageous * Ability to identify and implement process improvements across infrastructure and service delivery environments COMMUNICATION & LEADERSHIP * Exceptional written and verbal communication skills * Strong stakeholder management and customer engagement capabilities * Ability to translate complex technical concepts into business-friendly language * Experience mentoring technical teams and acting as a senior escalation resource PERSONAL ATTRIBUTES * Strong analytical, troubleshooting, and problem-solving abilities * Ability to assess risk and make informed technical decisions * Customer-focused mindset with a commitment to service excellence * Ability to work independently while collaborating effectively within a team * Strong organisational skills with the ability to manage multiple projects simultaneously RESPONSIBILITIES INFRASTRUCTURE DESIGN & IMPLEMENTATION * Design, implement, and optimise complex infrastructure solutions across customer and internal environments * Support cloud, server, networking, and endpoint management initiatives * Ensure infrastructure solutions are secure, scalable, and aligned with business requirements * Participate in the planning and delivery of strategic technology projects CYBERSECURITY & RISK MANAGEMENT * Lead and support cybersecurity initiatives across client environments * Manage vulnerability remediation and security improvement programs * Implement and maintain security technologies and controls * Conduct risk assessments and provide recommendations to strengthen security posture PROJECT DELIVERY & TECHNICAL LEADERSHIP * Deliver internal and customer-facing project work across infrastructure, security, automation, and operational initiatives * Conduct project scoping, solution design, and risk assessments * Collaborate with stakeholders to ensure successful project outcomes * Support pre-sales activities by providing technical expertise and solution recommendations SERVICE ESCALATION & OPERATIONAL SUPPORT * Act as a senior escalation point for Service Desk and support teams * Troubleshoot and resolve complex technical issues across infrastructure and cloud environments * Provide guidance and mentorship to technical team members * Ensure operational stability and service excellence across managed environments AUTOMATION & PROCESS IMPROVEMENT * Identify opportunities to automate repetitive tasks and operational workflows * Develop automation solutions using scripting and modern management platforms * Drive continuous improvement initiatives that enhance efficiency and service quality * Contribute to operational best practices and technical standards HOW WE TAKE CARE OF OUR TEAM 💰 Get paid in Australian Dollars 🏥 Medical insurance from day one for you + spouse (or parents if unmarried) 🩺 Generous OPD coverage from doctor visits to all your medical needs 🏡 Home office setup allowance to build your ideal workspace 🌐 Internet allowance to keep you connected 💪 Gym & wellness allowance to stay fit and balanced 🎉 Work hard, play hard – regular team events & engagement activities 🧠 Diji Assist – Mental health & counseling support when you need it 📚 We invest in you – reimbursement for industry certifications 🗣️ Open-door culture – your ideas and feedback always matter 🌍 Flexible work – home or office, wherever you do your best work 🏆 Rewards & recognition that actually recognize you 🥳 Great christmas & financial year-end parties to unwind with your loved ones