About the role

We are seeking an experienced Senior Cloud Infrastructure & Security Engineer to take a leading technical role across our cloud, infrastructure, cybersecurity and enterprise networking environments. This is a hands-on senior engineering position for an experienced technology professional who can operate across Azure, AWS and Google Cloud Platform (GCP) while maintaining a solid focus on security, resilience, automation and enterprise networking. The successful candidate will be responsible for designing, implementing, securing and continuously improving Pegasustek's technology workplace. You will work across cloud infrastructure, cybersecurity, networking, identity, infrastructure automation and operational resilience, acting as a senior technical authority and trusted advisor to management and the wider business.

Key responsibilities

- Design, implement and maintain secure, scalable and highly available Microsoft Azure, Amazon Web Services (AWS) and Google Cloud Platform (GCP) environments

- Develop multi-cloud and hybrid-cloud architecture aligned with business, security, performance and availability requirements

- Design and implement cloud landing zones, subscriptions/accounts/projects, resource governance and security guardrails

- Manage cloud networking including VNets/VPCs, subnets, routing, private connectivity, VPN, firewalls, load balancing and DNS

- Lead implementation of secure-by-design principles across Azure, AWS and GCP

- Design and maintain cloud security architecture incorporating Zero Trust, least privilege, identity security and defence-in-depth

- Implement and manage Palo Alto Networks Prisma Cloud for Cloud Security Posture Management (CSPM), cloud workload protection and cloud security visibility

- Design, implement and support enterprise network architecture across cloud, datacentre, office and project environments

- Develop Infrastructure as Code using technologies such as Terraform, Bicep, CloudFormation or equivalent





- Act as a senior escalation point for complex infrastructure, cloud and cybersecurity incidents

About you

- Extensive senior-level experience in cloud infrastructure, cybersecurity and enterprise networking

- Demonstrated experience designing and operating enterprise cloud environments

- Strong hands-on experience across Azure and AWS

- Practical experience with GCP or equivalent multi-cloud environments

- Strong understanding of cloud security architecture and cybersecurity principles

- Strong enterprise networking background

- Excellent troubleshooting and problem-solving capabilities

- Ability to communicate complex technical concepts to technical and non-technical stakeholders

- Approximately 8–12+ years of relevant experience across infrastructure, cloud, networking and cybersecurity

About us

Pegasustek is an innovative Australian construction and architectural fabrication company with a proud history spanning approximately four decades, delivering highly customised and technically complex architectural and infrastructure projects. Our work combines construction expertise, advanced engineering, digital design and innovative manufacturing techniques to create distinctive architectural structures and façades. Our portfolio includes highly customised projects and architectural features associated with major international brands and destinations, including Disneyland, Universal Studios and Louis Vuitton, alongside bespoke commercial, residential and architectural projects. Pegasustek's approach combines traditional craftsmanship with advanced 3D design, prefabrication and modern construction technologies.

Benefits

- $230,000 base salary + bonus

- Senior technical ownership and autonomy

- Opportunity to shape a multi-cloud technology environment

- Exposure to Azure, AWS and GCP

- Enterprise cybersecurity and Palo Alto Networks technologies

- Cisco and Juniper networking environments

- Direct engagement with senior management

- Prospect to influence technology strategy and architecture

- Career development and certification opportunities

📌 Senior Cloud Infrastructure & Security Engineer (Sydney)
🏢 Pegasustek Group
📍 Sydney