Senior Systems, Network & Security Engineer

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