Senior Network Engineer | Secure Multi-Domain Cloud

Orbis Australia and Asia-Pacific; Canberra; On-site; AUD 140,000 - 190,000; Full time

Benefits offered by this job

Superannuation 15.4%

Leave policy

Job summary

Orbis Operations in Canberra is seeking a Senior Network Engineer to design, deploy, and sustain secure, high-availability networks across classified and multi-domain environments — including on-premises, cloud, and edge deployments — in direct support of customer platforms.

This role is based in Canberra with on-site presence and up to 10% travel; you will collaborate with government stakeholders, mentor engineers, and ensure the network backbone supports Orbis’ data and decision platforms for

Qualifications

• Active Australian Government Top Secret security clearance (NV2) or eligibility to obtain and maintain one through AGSVA.
• 8+ years of experience in network engineering, with at least 3 years in a senior or lead capacity supporting defence, intelligence, or other classified environments.
• Deep hands-on expertise with enterprise routing and switching (Cisco, Juniper, or equivalent), firewalls, and VPN/remote-access technologies.
• Demonstrated experience designing and operating networks in classified or multi-level-security environments, including cross-domain solutions.
• Working knowledge of cloud networking (Azure and/or AWS), including hybrid and hardened government-cloud environments.
• Strong understanding of network security principles, including Zero Trust Architecture, segmentation, and defence-in-depth.
• Ability to travel up to 10% of the time.
• Excellent written and verbal communication skills, with the ability to engage confidently with government customers and technical stakeholders.

Responsibilities

• Design, implement, and maintain secure network architectures supporting classified and multi-domain systems, including cross-domain solutions and air-gapped or contested-edge deployments.
• Configure and administer routing, switching, firewalls, VPNs, and network security appliances across on-premises and cloud environments.
• Monitor network performance and resolve outages, leading root-cause analysis for high-priority incidents.
• Enforce network security controls in line with Zero Trust Architecture and government frameworks.
• Support accreditation and certification activities, including IRAP or equivalent.
• Partner with software teams to ensure network design supports data-movement platforms at scale and security posture.
• Provide senior technical mentorship to junior engineers and contribute to runbooks, disaster-recovery planning.
• Engage with government and allied stakeholders on requirements, reviews, and incident response.

Skills

Security clearance

Network engineering

Routing & switching

Firewalls & VPN

Cloud networking

Zero Trust

Leadership

Tools

Cisco hardware

Juniper hardware

Network automation tools

Job description

Orbis Operations in Canberra is seeking a Senior Network Engineer to design, deploy, and sustain secure, high-availability networks across classified and multi-domain environments — including on-premises, cloud, and edge deployments — in direct support of customer platforms.

This role is based in Canberra with on-site presence and up to 10% travel; you will collaborate with government stakeholders, mentor engineers, and ensure the network backbone supports Orbis’ data and decision platforms for