About Energy One
Energy One (ASX:EOL) is a publicly listed leader in energy trading software with over 15 years of experience delivering mission-critical services to the wholesale energy, environmental, and carbon trading markets. We are the largest provider of 24/7 operational energy services in Australia and the second largest in Europe.
We support a wide range of clients—from agile start-ups to major global energy enterprises—helping them navigate a fast-evolving industry shaped by climate goals, renewable energy integration, and market volatility. In the UK, our systems support over 12% of the market, placing us at the heart of national energy infrastructure.
Why This Role Matters
As the energy sector accelerates toward net zero, the infrastructure underpinning energy trading must be secure, reliable, and scalable. Energy One is facing the critical challenge of evolving our cloud-based platforms to support a future with more actors, more trades, and greater volatility—driven by the growth of renewables and decentralised energy models.
The Network Engineer plays a vital role in this transformation, taking ownership of our hybrid infrastructure and network environments. This role ensures the reliability, performance, and security of systems across multiple regions and supports the seamless delivery of energy market operations.
About the Role
We are seeking a Network Engineer to drive network engineering initiatives across a hybrid (on-prem and cloud) environment. You will ensure the reliability, scalability, and security of core systems, while actively contributing to continuous improvement and operational excellence.
This is a hands-on role requiring technical depth in network architecture, operations, and cybersecurity best practices. You'll also collaborate closely with global IT teams, DevOps, and product stakeholders to drive improvements and standardise approaches across regions.
Required Skills and Experience
* Strong expertise with Cisco and Palo Alto network hardware and management platforms.
* Solid understanding of TCP/IP, DNS, DHCP, VPN, firewall policies, VLANs, and routing protocols (BGP, OSPF).
* Proven experience deploying and managing SD-WAN solutions
* Practical knowledge of SSE/SASE platforms (e.g. Netskope, Zscaler, Prisma Access).
* Experience managing cloud networking in AWS and/or Azure, including VPC/VNet, transit gateways, peering, and VPNs.
* Familiarity with network monitoring, alerting, and troubleshooting tools (e.g. NetFlow, Wireshark, CloudWatch, Grafana).
* Strong documentation, communication, and collaboration skills.
Key Responsibilities
* Design, implement, and support enterprise network infrastructure across on-prem (Cisco and Palo Alto) and cloud platforms (Azure and AWS).
* Lead the deployment and optimisation of SD-WAN and SASE/SSE technologies, including solutions like Netskope, Zscaler, or Cisco Umbrella.
* Manage and maintain secure network architectures including firewalls, VPNs, switching, routing, and load balancing.
* Monitor and analyse network performance, availability, and security posture.
* Implement and enforce network security policies aligned with industry best practices and compliance frameworks (ISO 27001, NIST, CIS).
* Maintain comprehensive documentation for network configurations, processes, and troubleshooting procedures.
* Collaborate with cloud, security, and infrastructure teams to ensure consistent and secure network operations globally.
* Support incident response, root cause analysis, and continuous improvement initiatives.
Why Join Energy One?
* Purpose-driven mission: Help build resilient, sustainable digital infrastructure to power a cleaner energy future. Impact at scale: Our technology underpins a significant portion of the UK and European energy markets.
* Global collaboration: Join a diverse, distributed team across Australia, France, Belgium, and the UK working on over 17 active products.
* Innovation culture:We are committed to creativity, autonomy, and growth, fostering a culture where ideas are heard and initiative is rewarded.
* Values-led leadership: Our principles authenticity, accountability, inclusiveness, passion, and creativity are not just words; they're how we work, lead, and grow together.
Energy One promotes diversity, inclusion and equal opportunity and encourage applications from people of all backgrounds.
If you're passionate about delivering secure, high-availability infrastructure in a dynamic, purpose-driven environment—and want to help shape the future of digital energy—apply now.