Gateway Infrastructure Engineer

Whizdom; Canberra; On-site; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Same-day timesheet payment

Veteran employment commitment

ISO 9001 compliant processes

Job summary

Whizdom is seeking a Gateway Infrastructure Engineer to maintain and support gateway and network infrastructure enabling secure operations across a complex environment in Canberra. You will contribute to network solutions, upgrades, and disaster recovery planning while advising stakeholders.

Applicants should have strong enterprise network and security experience, including CISCO ACI/Nexus, Palo Alto, VPNs, and cloud integration across hybrid/public cloud platforms.

Qualifications

• Experience across enterprise network, gateway and security infrastructure in complex environments.
• Ability to design and sustain secure, resilient network environments with governance.
• Proven capability to guide technical and non-technical stakeholders.

Responsibilities

• Maintain and support gateway and network infrastructure for secure operations.
• Contribute to network solutions, upgrades, and disaster recovery planning.
• Investigate security incidents affecting critical systems and provide guidance.

Skills

Cisco ACI

Nexus switches

BGP routing

OSPF

EIGRP

Palo Alto

Load balancing

F5

NetScaler

VPNs

Infoblox

Cloud integration

Security governance

Incident response

Stakeholder guidance

Tools

Azure

AWS

GCP

Job description

About the Client

Our client is a leading national security and technology organisation responsible for delivering and supporting some of Australia's most critical ICT and cyber capabilities. Operating in a highly secure environment, they develop and maintain complex infrastructure that underpins essential government operations and national interests. Working alongside highly skilled technical professionals, you'll contribute to the design, delivery and sustainment of secure enterprise platforms supporting mission-critical services and systems. This is an opportunity to work on large-scale infrastructure projects while helping to protect and strengthen Australia's technology capabilities.

About the Role

As a Gateway Infrastructure Engineer, you will play a key role in maintaining and supporting gateway and network infrastructure that enables secure and reliable operations across a complex technical environment. Working as part of a specialist ICT team, you will provide technical expertise across network architecture, infrastructure sustainment, security, and operational support. You will contribute to the implementation of network solutions, support infrastructure upgrades and enhancements, assist with contingency and disaster recovery planning, and help investigate security incidents affecting critical systems. The role also involves providing technical advice to stakeholders, identifying infrastructure risks, and supporting the development of secure and resilient network environments. This position offers the opportunity to work with leading technologies across networking, security, cloud and gateway platforms while contributing to the delivery of important national capabilities.

The Successful Candidate

To be successful in this role, you will bring strong experience across enterprise network, gateway and security infrastructure within complex environments. You will be comfortable working across the full infrastructure lifecycle, from design and implementation through to operational support, security uplift and continuous improvement.

You will also demonstrate experience with:

• Cisco networking technologies including ACI, Nexus and enterprise routing platforms
• Routing protocols such as BGP, OSPF and EIGRP
• Palo Alto firewalls and intrusion prevention solutions
• Layer 4-7 load balancing and application delivery technologies
• F5, Citrix NetScaler, Blue Coat or similar gateway platforms
• VPN technologies and secure remote access solutions
• DNS and IP address management platforms such as Infoblox
• Hybrid cloud and public cloud service integration
• Network architecture, infrastructure design and technical governance
• Security incident investigation and risk mitigation activities
• Developing resilient, secure and highly available infrastructure solutions
• Providing technical advice and guidance to technical and non-technical stakeholders

Applicants with experience working within government, defence or other highly secure environments, along with knowledge of the ASD Information Security Manual and Australian Government security frameworks, will be highly regarded.

Candidates must also be willing to undergo an Organisational Suitability Assessment (OSA) prior to engagement.

Why partner with Whizdom?

We’re Whizdom. We view you as an extension of our strong, dependable brand and have differentiators which really are different! The Whizdom way:

• We pay our contractors same day you submit your timesheet!
• We are Level 3, DISP certified and have signed the Veteran Employment Commitment and have been awarded the highest level of compliance to this important initiative, proactively assisting veterans transitioning from the forces to civilian roles. We’ve been lucky enough to win industry awards for our high level of process compliance and are ISO 9001 certified. Our commitment to reducing Greenhouse Gas Emissions has been accredited in line with large global organisations.
• We value diversity and welcome applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability.

Location: The role is based in Canberra ACT.

Contract terms: 12 months from commencement date, plus 2x 12 month extensions

Experience Level: APS6 Equivalent

Security Requirements: Candidates must hold an active or reactivatable Top Secret Positive Vetting (TSPV) Security Clearance on submission. Our client is not looking to upgrade an existing clearance for this position. An OSA (Organisational Suitability Assessment) will be required for this position.

Candidatures will need to be willing to undergo pre-employment screening checks which may include ID and work rights, security clearance verification and any other client requested checks.

Applications open until 8am 30 September 2026.