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Jobs with Arena
The Arena family of companies is growing and offers exceptional career opportunities within Arena firms and with our portfolio companies. See what's possible for you in the postings below.
Senior ICT Engineer
Optic Security Group
Waikato, New Zealand
Posted on Apr 21, 2026
About The Role:
Due to an internal move, we have an exciting opportunity for a Senior ICT Engineer to join our Digital team. We are looking for someone who takes pride in enhancing and maintaining secure, high-performing digital infrastructure that enables meaningful connections across Aotearoa.
This is a senior position where your expertise in on-premise and cloud infrastructure, systems engineering support, and solving complex technical challenges will play a key role in maintaining the performance, reliability, and security of our digital environment.
You will be part of our Digital Infrastructure team, working collaboratively to support our business and the communities we serve through reliable, future-focused connectivity. This is a great opportunity to share your knowledge, contribute to ongoing improvements, and continue developing your career within a team that values collaboration, innovation, and continuous improvement.
What You'll Be Doing
Supporting and optimising technologies including Windows/Linux servers, Office 365, VMWare, AWS, and network monitoring tools.
Maintaining and improving secure network and digital infrastructure systems (LAN/WAN, servers, firewalls, and cloud environments).
Championing best practices in digital security, documentation, automation, and process compliance.
Working collaboratively with team members, end users, and vendors to resolve issues and deliver system improvements.
Leading technical input into digital projects and supporting technology roadmap development.
Sharing expertise and mentoring others within the team to foster learning and innovation.
Participating in a shared on-call roster and completing scheduled after-hours maintenance when required.
Skills and Experience Required:
8+ years of experience in ICT engineering or network infrastructure roles in a medium or large organisation.
Strong understanding of Windows and Linux server platforms, Office 365, AWS/Azure/Google Cloud, and cloud-hosted solutions.
Knowledge of firewalls, communication protocols (TCP/IP, BGP, OSPF), and system security tools.
Proven ability to lead or support technical aspects of infrastructure projects.
Commitment to collaboration, clear communication, and inclusive teamwork.
Relevant certifications such as ITIL, CCNA, MCSE, or similar.
Experience with automation tools (e.g., Ansible) is an advantage.
We welcome applications from people with a variety of backgrounds. If you meet most of the criteria, but not all, we still encourage you to apply.
Why Tuatahi is the Place for You:
At Tuatahi, we’re not only leaders in technology - we’re dedicated to looking after our people. Our benefits are designed to support your wellbeing and help you thrive, both at work and at home:
Medical and Life Insurance: Comprehensive cover to protect your health and security.
Utilities Rebate: Support with essential home costs like power and fibre.
Refer-a-Friend Bonus: Bring great people into the team and get rewarded.
Volunteer Day: One paid day each year to give back to your community.
Wellbeing Leave: A wellbeing day every six months to recharge or take care of life admin.
Parental Leave Support: Salary top-ups and support to help you focus on family.
About Us:
As a leader in Aotearoa’s ultrafast broadband revolution, Tuatahi is powering the future of connectivity. Our 6,000 km fibre optic network is the backbone that links households and businesses to the internet, driving digital growth across regions like Waikato, Bay of Plenty, Hawke’s Bay, and beyond.
We partner with retail service providers and mobile network operators, enabling them to offer a range of services to over 249,000 homes and businesses. As we expand, we’re seeking innovative minds to help us shape a digitally empowered tomorrow. Join us and be part of something truly transformative.
Sounds Like you? Apply Now
If applying through our careers page, you can find the position description here.
If applying through Seek - check out the job ad on our careers page for the link to the position description.
Diversity, equity, and inclusion are central to how we work. When you apply, we’ll invite you to answer two optional questions to help us track progress toward fair and equal opportunities. Your responses are anonymous, voluntary, and have no impact on your application.
Advertising closes: 5 May 2026