Senior Network Infrastructure Engineer

KBR, Inc; Canberra; On-site; AUD 140,000 - 180,000; Full time

Job summary

KBR, Inc. in Canberra is seeking a Senior Network Infrastructure Engineer to maintain and enhance enterprise networks, servers, storage and backup across a regulated environment. The role is permanent and full-time, based in Canberra with relocation considered for the right candidate.

You will hold Baseline security clearance (or higher) and work across Cisco Nexus/ISE, SD-WAN, Palo Alto, F5 BIG-IP and Azure cloud networking to deliver resilient infrastructure and secure services.

Qualifications

• Australian citizenship and Baseline security clearance or higher.
• Strong hands-on experience with Cisco networking technologies, including Nexus switching, Cisco ISE, SD-WAN and modern data centre networking concepts.
• Experience supporting Palo Alto firewalls and enterprise network security environments.
• Experience with F5 BIG-IP load balancers and Azure cloud networking.
• Strong knowledge of routing, switching, network segmentation, VPNs and network security principles.
• Experience supporting Windows Server, Linux and VMware environments.
• Proven ability to diagnose and resolve complex technical issues across enterprise infrastructure platforms.
• Strong understanding of operational best practices, including monitoring, patching, documentation and change control.
• Excellent communication and stakeholder engagement skills.

Responsibilities

• Support and maintain enterprise infrastructure across network, server, storage, backup and virtualisation platforms.
• Configure, administer and optimise complex Cisco network environments, including Cisco ISE, Cisco NDFC, Nexus switching, Leaf-Spine architectures, VXLAN and SD-WAN technologies.
• Manage and support secure network services, including Palo Alto firewalls, VPNs and remote connectivity solutions.
• Administer F5 BIG-IP load balancing platforms and Azure cloud networking services.
• Support Windows, Linux and VMware environments, ensuring high availability, performance and security.
• Troubleshoot and resolve complex infrastructure, networking and connectivity issues across multiple technology domains.
• Perform upgrades, patching, monitoring, lifecycle management and capacity planning activities.
• Support backup, recovery, disaster recovery testing and operational resilience initiatives.
• Contribute to incident, problem and change management processes, ensuring reliable and secure service delivery.

Skills

Cisco networking

SD-WAN

Network security principles

Communication & stakeholder engagement

Tools

F5 BIG-IP

Azure cloud networking

Palo Alto firewalls

VPNs

Job description

Title

Senior Network Infrastructure Engineer At KBR – We do things that matter. We deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 38,000 people worldwide with customers in more than 80 countries and operations in over 29 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results. At KBR, We Deliver. Think.KBR.com KBR in Australia With over 65 years working on some of Australia’s largest and most complex projects, KBR has unmatched experience supporting the nation’s critical infrastructure, energy transition and national security priorities. KBR has around 2,000 employees throughout Australia, who are focused on delivering innovative technology and engineering solutions for a safer, more secure and sustainable future. Learn more about KBR in Australia Belong, Connect and Grow at KBR At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

Opportunity

This is an opportunity to work in a senior technical role supporting secure, enterprise scale environments in a highly regulated setting. You will be responsible for maintaining and improving critical platforms across networking, servers, storage and backup technologies, while contributing to operational resilience, security and ongoing infrastructure improvement initiatives. The role offers broad exposure across enterprise technologies and the opportunity to work on complex technical challenges and high impact operational outcomes. This is a permanent full-time opportunity and must be based in Canberra. Relocation assistance may be considered for the right candidate. The successful candidate must hold a Baseline security clearance or higher.

Responsibilities

• Support and maintain enterprise infrastructure across network, server, storage, backup and virtualisation platforms.
• Configure, administer and optimise complex Cisco network environments, including Cisco ISE, Cisco NDFC, Nexus switching, Leaf-Spine architectures, VXLAN and SD-WAN technologies (Viptela and/or Meraki).
• Manage and support secure network services, including Palo Alto firewalls, VPNs and remote connectivity solutions.
• Administer F5 BIG-IP load balancing platforms and Azure cloud networking services.
• Support Windows, Linux and VMware environments, ensuring high availability, performance and security.
• Troubleshoot and resolve complex infrastructure, networking and connectivity issues across multiple technology domains.
• Perform upgrades, patching, monitoring, lifecycle management and capacity planning activities.
• Support backup, recovery, disaster recovery testing and operational resilience initiatives.
• Contribute to incident, problem and change management processes, ensuring reliable and secure service delivery.

Requirements

As the ideal candidate you will bring:

• Australian citizenship and Baseline security clearance or higher
• Strong hands‑on experience with Cisco networking technologies, including Nexus switching, Cisco ISE, SD‑WAN and modern data centre networking concepts.
• Experience supporting Palo Alto firewalls and enterprise network security environments.
• Experience with F5 BIG‑IP load balancers and Azure cloud networking.
• Strong knowledge of routing, switching, network segmentation, VPNs and network security principles.
• Experience supporting Windows Server, Linux and VMware environments.
• Proven ability to diagnose and resolve complex technical issues across enterprise infrastructure platforms.
• Strong understanding of operational best practices, including monitoring, patching, documentation and change control.
• Excellent communication and stakeholder engagement skills.

Desirable:

• Experience within Defence, Government or other highly regulated environments.
• Exposure to enterprise storage, backup and disaster recovery technologies.
• Experience with automation and scripting tools such as PowerShell, Python, Ansible or Terraform.
• Exposure to Azure or hybrid cloud environments.

As a Major Service Provider of the Australian Defence Force, an AGSVA security clearance will be required and compliance to International Traffic in Arms Regulations (ITAR).

All candidates will be required to hold and maintain an active Baseline Defence Security Clearance. Only candidates holding a Baseline Clearance or above should apply.

What we will offer you

• A workplace culture certified as a Great Place To Work
• Flexible working
• Competitive salary (including annual reviews)
• Paid parental leave
• Income protection
• Corporate rewards
• Salary packaging/Novated leasing
• Employee stock purchase plans
• Flu shots, skin checks and discounted private health insurance
• Career development: Online learning, mentorship and career pathways

Our Values

We Value Our People – We create diverse, inclusive environments in which each person can feel safe, respected and valued, and where everyone has opportunities to grow and reach their full potential. We Deliver – We are uncompromising in our commitment to deliver innovative, high-quality, technology-led solutions for our customers and exceptional, sustainable value for all our stakeholders. We Are People of Integrity – We value honesty, trust, courage, fairness, prudence and tenacity. We believe doing what’s right for the planet, the communities where we work, and our people is good for business. We Empower – We empower our people with a shared purpose, the right tools and the supportive culture they need to be proactive decision-makers, to be adaptive to change, and to succeed. We Are a Team of Teams – We have a will to succeed, but we value the achievements of our team of teams over individual accomplishments. Our collective focus makes us a better, stronger, more effective company. We have also embedded environmental, social and governance (ESG) principles in every business operation and corporate function. Not only are we committed to operating safely, sustainably and equitably, but we are also committed to using our capabilities and expertise to help our customers accomplish their sustainability goals.

Worldwide, KBR employs a diverse workforce approximately 29,000 people strong, with customers in more than 80 countries and operations in 40 countries. At KBR, We Deliver.