Senior ICT Engineer

About One IT

One IT is expanding, and our senior support team is growing We are seeking a Level 3 Senior ICT Engineer to join our teams in both Darwin and Alice Springs. We deliver secure, reliable, and forward-thinking ICT solutions across the Territory. With offices in Darwin, Alice Springs, and Katherine, we help businesses boost productivity, strengthen security, and drive growth. Our senior engineers are technical leaders who take ownership of complex issues, deliver strategic projects, and mentor the wider team.

Role Summary

As a Level 3 Senior Engineer, you will provide expert-level support and lead the delivery of technical projects across infrastructure, networking, and data systems. You will manage complex incidents, implement forward-thinking solutions, and collaborate with customers and colleagues to improve systems, security, and processes. Your wide-ranging technical experience will guide decision-making and ensure high-quality outcomes across multiple technologies and platforms.

Core Responsibilities

• Lead and resolve complex technical support requests across infrastructure, networking, cloud, security, and end-user systems.
• Deliver and manage technical projects, including infrastructure upgrades, network deployments, data migrations, and system integrations.
• Configure, monitor, troubleshoot, and optimise systems using tools such as Datto RMM, Huntress, Proofpoint, Fortigate, Ubiquiti, Cisco, 3CX, Yealink, and HP.
• Act as the senior escalation point, guiding Level 1 and Level 2 engineers and maintaining clear communication with customers.
• Plan, test, and implement new technologies and customer solutions with thorough documentation and knowledge sharing.
• Identify recurring issues, recommend improvements, and implement proactive solutions to enhance system stability, performance, and security.
• Mentor junior engineers, promote technical excellence, and foster a culture of collaboration and knowledge sharing.
• Uphold security awareness, compliance, and industry standards across all projects and support activities.
• Ensure professionalism, clear communication, and exceptional customer experience in all interactions.

Required Attributes / Experience

• Proven experience as a senior IT support or systems engineer, preferably within an MSP or large enterprise environment.
• Wide-ranging technical expertise across M365, Datto RMM, Proofpoint, Huntress, 3CX, Fortinet, Ubiquiti, Cisco, Yealink, HP, and other infrastructure and networking technologies.
• Demonstrated experience leading technical projects including infrastructure, networking, and data-related implementations.
• Strong problem-solving skills, with a proactive approach to resolving issues and improving systems.
• Excellent communication skills, able to explain complex concepts to both technical and non-technical stakeholders.
• Commitment to mentoring, sharing knowledge, and supporting team growth.
• Ability to manage multiple priorities, deadlines, and projects while maintaining high standards of delivery.
• Qualification in IT, Computer Science, or a related field is highly desirable.

Why You Will Love Working with Us

Opportunity and career growth:
 Join a growing business with clear paths to progress, expand your skills, and take on new challenges. We invest and support your technical development, learning, and certification goals.

Great benefits:
 $300 annual Health and Wellbeing fund, discounted internet, cost-price tech purchases, free MS exam vouchers, training support, EASA access, and many more

Security and Innovation First:
 Use modern tools and forward-thinking ICT solutions.

Culture and energy:
 Join a supportive, professional and people focused business. We take pride in what we do and enjoy doing it.

Relocation assistance available

Also recruiting for Level 1 and Level 2 engineers, both in Darwin & Alice Springs

Please NO recruiters