Senior Infrastructure Engineer

Overview
Senior Infrastructure Engineer role at
CYOS Solutions
.
Estimated start date: Saturday, 01 November 2025. Location: Adelaide, South Australia (SA). Working arrangements: The contractor will work from the office location for a minimum of 6 weeks before work-from-home will be considered. Any WFH requires a minimum of 3 days per week in the office.
Length of contract: 12 months. Contract extensions: 2 x 12 months. Security clearance: Must be able to obtain Negative Vetting Level 1. Rates: $100 - $130 per hour (inc. super).
Service Australia is seeking an Infrastructure Engineer to implement, manage and retire the infrastructure (including physical, virtual, networking and cloud infrastructure) that supports digital services. The Senior Gateway Engineer provides expert advice on the management and maintenance of ICT platforms, works with key third party suppliers to ensure robust gateway infrastructure, and liaises with architecture and shared services to ensure security of day-to-day operations. The role emphasizes independence and high-level judgement with guidance from senior staff.
Responsibilities
Design, evaluate, and implement infrastructure requirements to meet future demand
Provide expert technical support for project build, test and solution deployment activities
Prepare, review and maintain documentation (design docs, implementation plans, test plans, support procedures)
Assist in developing and implementing strategies, operational policy and change initiatives
Participate in change management and communicate end-to-end implications of configuration changes
Provide detailed, specialist technical advice, including strategic guidance to senior executives
Share knowledge and mentor less experienced colleagues
Research emerging technologies and provide recommendations on product suitability for the agency
Engage with other agencies and service providers to build service delivery capability
Attend interagency meetings and forums to influence outcomes and share information
Encourage continuous improvement and contribute to ICT strategy; manage and support change
Manage operation of backup, high availability and disaster recovery solutions
Manage regular maintenance of patches and support packages across technical layers
Manage administration and operation of the Gateway network kit
Qualifications
At least five (5) years demonstrated experience in design, management and maintenance of internet gateway and/or large-scale data centre networking environments
Demonstrated proficiency in designing services using F5/Blue Coat Layer 4-7 switching/load balancing and proxy systems
Experience with network infrastructure design and deployment including Cisco Data Centre technologies (ACI, routers, Nexus switches); routing protocols (BGP, OSPF, EIGRP)
Experience with Palo Alto firewalls and IPS solutions
Experience in VPN technologies, email and DNS (Infoblox) solutions
Experience in design and integration of hybrid and public cloud services
Experience in development and maintenance of system architecture and design documentation
Knowledge of Australian Government information security policies, ASD Information Security Manual and Essential Eight
How to apply
Please update your CV to highlight your previous work experience to demonstrate your suitability for this role.
Job details
Seniority level: Mid-Senior level
Employment type: Contract
Job function: Engineering and Information Technology
Industries: IT System Operations and Maintenance, Government Relations Services, and Technology, Information and Media
References: Referrals increase your chances of interviewing at CYOS Solutions. You will be notified about new Infrastructure Engineer jobs in Adelaide, SA.
Note: This posting contains general information about the role. Requirements and responsibilities are subject to change.
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