Senior Cloud Infrastructure & Security EngineerWe 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 strong focus on security, resilience, automation and enterprise networking.
The successful candidate will be responsible for designing, implementing, securing and continuously improving Pegasustek's technology environment.
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 responsibilitiesDesign, implement and maintain secure, scalable and highly available Microsoft Azure, Amazon Web Services (AWS) and Google Cloud Platform (GCP) environmentsDevelop multi-cloud and hybrid-cloud architecture aligned with business, security, performance and availability requirementsDesign and implement cloud landing zones, subscriptions/accounts/projects, resource governance and security guardrailsManage cloud networking including VNets/VPCs, subnets, routing, private connectivity, VPN, firewalls, load balancing and DNSLead implementation of secure‐by‐design principles across Azure, AWS and GCPDesign and maintain cloud security architecture incorporating Zero Trust, least privilege, identity security and defence‐in‐depthImplement and manage Palo Alto Networks Prisma Cloud for Cloud Security Posture Management (CSPM), cloud workload protection and cloud security visibilityDesign, implement and support enterprise network architecture across cloud, datacentre, office and project environmentsDevelop Infrastructure as Code using technologies such as Terraform, Bicep,



CloudFormation or equivalentAct as a senior escalation point for complex infrastructure, cloud and cybersecurity incidentsAbout youExtensive senior-level experience in cloud infrastructure, cybersecurity and enterprise networkingDemonstrated experience designing and operating enterprise cloud environmentsStrong hands‐on experience across Azure and AWSPractical experience with GCP or equivalent multi‐cloud environmentsStrong understanding of cloud security architecture and cybersecurity principlesStrong enterprise networking backgroundExcellent troubleshooting and problem‐solving capabilitiesAbility to communicate complex technical concepts to technical and non‐technical stakeholdersApproximately 8–12+ years of relevant experience across infrastructure, cloud, networking and cybersecurityAbout usPegasustek 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 cutting-edge 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.
$230,000 base salary + bonusSenior technical ownership and autonomyOpportunity to shape a multi‐cloud technology environmentExposure to Azure, AWS and GCPEnterprise cybersecurity and Palo Alto Networks technologiesCisco and Juniper networking environmentsDirect engagement with senior managementOpportunity to influence technology strategy and architectureProfessional development and certification opportunities
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📌 Senior Cloud Infrastructure & Security Engineer (Sydney)
🏢 Pegasustek Group
📍 Sydney