Senior Infrastructure Engineer - Linux

Senior Infrastructure Engineer

Founded in 2014, and listed on the ASX since 2015, Superloop's purpose is to enable better internet for Australian homes and businesses, by enabling challenger retail brands to take a larger share of the market, leveraging Superloop's Infrastructure-on-Demand platform.

Superloop operates in three segments of the market: consumer connectivity, business network and security solutions, and wholesale connectivity, all of which leverage Superloop's investments in physical infrastructure assets including fibre, subsea cables and fixed wireless, as well as Superloop's software platforms. Hundreds of thousands of homes and businesses rely on Superloop every day for their connectivity needs.

The Information Technology Group (ITG), part of the Operations Business Unit, is responsible for managing all core internal infrastructure from server operating systems down, including identity services, Microsoft 365, and AWS architecture.

The team manages all aspects of the Internal IT infrastructure, including the design, build, and operation of highly available virtual environments across global locations.

You will be joining at a pivotal time, contributing directly to the delivery of Superloop's new three-year IT strategy.

Role Purpose

Reporting to the Infrastructure Team Lead, the Senior Infrastructure Engineer is responsible for the design, implementation, and operational support of the organisation's core infrastructure across on-premise hypervisors, server operating systems, O365 and AWS environments. This role requires deep expertise in Linux server administration and strong proficiency in Entra ID (Azure Active Directory), ensuring secure and reliable identity management across the enterprise.

As a senior technical resource, you will develop and support for the organisation's virtualisation platforms, AWS services, and Linux-based server fleet, while driving continuous improvement in resilience, performance, and security. The Senior Infrastructure Engineer will also act as the final escalation point for the Desktop Support team, providing guidance and resolution for complex issues that cross infrastructure, identity, and endpoint domains.

Key Responsibilities

Infrastructure Architecture & Operations

• Manage Superloop's corporate infrastructure stack, including hypervisors, virtual machines, and AWS environments.
• Design, document, secure, monitor, and integrate infrastructure services across hybrid environments.
• Ensure high availability, scalability, and performance, aligned with SLA and compliance expectations.
• Lead infrastructure upgrades, lifecycle planning, and continuous improvement projects.

Platform & System Management

• Deploy and manage infrastructure across public/private cloud platforms, including hyper-converged infrastructure.
• Oversee and support compute and storage systems within the corporate datacentre
• Manage internal corporate networks (non-customer facing), ensuring availability and performance
• Support and maintain AWS, Microsoft 365 and Azure/Entra ID environments
• Administer and harden Active Directory, Entra ID, and authentication systems.

Automation & DevOps Support

• Maintain and optimise a predominantly Linux-based global server fleet (with some Windows).
• Support the developers by ensuring the underlying infrastructure is robust, efficient, and secure.

Governance & Documentation

• Maintain accurate and comprehensive technical documentation, including infrastructure diagrams, system configurations, and procedures.
• Ensure infrastructure is audit-ready through version-controlled documentation and adherence to change management practices.

Innovation & Continuous Improvement

• Drive automation, efficiency, and system hardening initiatives to improve service delivery and reduce operational risk.
• Research and implement emerging technologies aligned with business growth and security strategies.

Operational Oversight

• Lead and participate in day-to-day operational management, including monitoring, incident response, and service restoration.
• Maintain vendor relationships and manage infrastructure-related third-party services.
• Participate in the after-hours on-call rotation.

Qualifications and Experience

• 8+ years in infrastructure engineering or system administration roles.
• Strong Linux Administration skills
• Proven experience with AWS services and cloud infrastructure.
• Skilled in Microsoft 365 and Windows Active Directory (Auth config for Linux)
• Experience with EntraID (SSO via SAML/OIDC config)
• Proficient with hypervisors and virtualization platforms (e.g., KVM, VMware)
• Strong understanding of core networking: VLANs, segmentation, firewalls
• Linux (preferred) and Windows server administration.
• Proficient in scripting and automation (e.g., PowerShell, Bash)
• Strong system design, troubleshooting, and incident management.
• Excellent written communication and technical documentation skills.

On Offer

• Free Home Broadband
• Free Mobile SIM plan
• Flexibility – 3 days/week in the office
• Lunch on Wednesdays, snacks, donuts and more!
• Diverse and inclusive culture
• Gain skills and build relationships to succeed in the telco and tech industries, at Superloop and beyond.

At Superloop, we're dedicated to creating a supportive and inclusive workplace where everyone feels safe, valued, and empowered to be who they are. We actively embrace diversity and celebrate the unique backgrounds, perspectives, and experiences of our team members.

As an equal opportunity employer, we welcome applicants from all backgrounds to apply, regardless of gender, age, faith, ethnicity, nationality, sexuality, neurodiversity, or physical ability. We're committed to ensuring that our hiring processes are accessible and inclusive for everyone interested in joining Superloop.