Network Security Engineer

Responsibilities

The role involves providing BAU network support, troubleshooting, and break/fix services for complex enterprise environments. You will also be responsible for designing, implementing, and maintaining Cisco networking solutions, including data centre and security technologies.

Requirements

Candidates should have strong hands-on experience with Cisco enterprise networks, including ACI, Nexus, and routing/switching. A current driver's license and the ability to participate in rotational on-call support are required.

Skills

• Cisco ACI
• Cisco Nexus
• Routing and switching
• Network security
• Cisco ISE
• Firewalls
• Wireless LAN controllers
• Troubleshooting
• Network design
• Data centre infrastructure
• WAN
• Technical documentation
• Automation
• Spine-leaf architecture
• SDN

Benefits

• Hybrid working arrangements
• Professional development
• Technical certification opportunities
• Leadership programs
• Learning resources

About this role

At NRI, we bring together deep technology expertise, capability and real-world
industry experience to help organisations solve complex challenges and shape
what’s next. From IT advisory and enterprise transformation to quality
engineering, cyber, cloud and managed services, we work across the full
technology lifecycle - turning ideas into outcomes that make a difference. With
a global heritage and a strong presence across Australia, New Zealand and Asia,
we combine the scale and capability to take on complex challenges with the
agility, collaboration and the personal connection of a local team.

THE OPPORTUNITY

Our Managed Services team helps organisations maximise the value of their
technology investments by ensuring critical systems remain secure, resilient,
high-performing and ready for the future. Working across cloud, infrastructure,
networks, cybersecurity, applications and service management, we deliver
proactive, outcome-focused services that support the technology environments
businesses depend on every day. Leveraging automation, AI-driven insights and
deep technical expertise, we help clients improve reliability, optimise
performance, reduce risk and drive continuous improvement. Joining our team
means collaborating with talented specialists, working across diverse
technologies and contributing to meaningful outcomes for some of Australia's
leading organisations.

We're looking for an experienced Senior Network Engineer with strong Cisco
expertise to join our team, supporting and enhancing complex enterprise network
environments. This is a hands-on role combining BAU support, network design,
implementation and troubleshooting across data centre, routing and switching,
wireless and network security technologies.

You'll be responsible for maintaining, supporting and improving enterprise
network infrastructure, working across both operational support and technical
project delivery. The role requires someone comfortable troubleshooting complex
network issues, delivering technical solutions and providing support across a
broad Cisco environment.

We offer hybrid working arrangements, balancing time in the office each week
with the flexibility to work remotely, depending on role and location.

Melbourne Based 

KEY RESPONSIBILITIES

* Provide BAU network support, troubleshooting and break/fix services.

* Design, implement and maintain Cisco networking solutions.

* Support Cisco ACI, Nexus and spine-leaf data centre environments.

* Manage enterprise routing, switching, WAN and wireless infrastructure.

* Support Cisco security technologies, including ISE and firewalls.

* Produce high-level and low-level designs and maintain technical
documentation.

* Participate in rotational on-call support, including P1/P2 incidents and
out-of-hours activities.

* Travel to different sites as required, with expenses reimbursed.

SKILLS & EXPERIENCE

* Strong hands-on experience supporting complex Cisco enterprise networks.

* Experience with Cisco ACI, Nexus, spine-leaf architecture, SDN and IPN.

* Strong routing and switching knowledge, including Cisco Catalyst 9300 and
legacy Catalyst switches.

* Experience with Cisco wireless LAN controllers, access points, anchoring,
WIPS and CMX.

* Knowledge of Cisco ISE and Cisco Firewalls.

* Familiarity with Cisco management platforms, including Catalyst Centre/DNAC,
Cisco DNA, Nexus Dashboard and Firepower Management Centre.

* Experience producing technical designs and maintaining network documentation.

* Strong troubleshooting skills and previous BAU operational support
experience.

* Current driver's licence and access to a motor vehicle.

Highly Regarded:

* CCNP certification or equivalent Cisco expertise.

* Degree in an IT-related field, completed or in progress.

* ITIL Foundation certification.

WHY YOU’LL LOVE WORKING AT NRI

At NRI, we believe great careers are built through solving complex challenges,
continuous growth and the opportunity to make an impact. Whether you're
deepening your technical expertise, developing as a leader or exploring where
your career can take you next, you'll have the opportunity to build capability,
make an impact and shape what's next.

Build expertise that makes an impact. Work alongside talented technologists,
consultants, industry specialists and problem-solvers on complex challenges that
create real outcomes for our clients. You'll be surrounded by people who are
generous with their knowledge and invested in helping each other grow.

Shape your career. Your career is yours to build. With clear career pathways,
structured development, technical certification opportunities, leadership
programs and access to extensive learning resources, you'll have the support to
develop your expertise and explore new opportunities.

Make your expertise count. From performance and technology delivery,
transformation, quality engineering and managed services, you'll have the
opportunity to take on challenging and rewarding work, contribute your ideas and
see the impact of what you do.

Bring your perspective, belong here. We want NRI to be a place where people feel
respected, included and able to do their best work. We value different
experiences, perspectives and ways of thinking, and are committed to creating an
environment where everyone can belong and contribute.

YOUR EXPERIENCE MATTERS, YOUR POTENTIAL IS YOURS TO EXPLORE

You don't need to tick every box to belong at NRI. We value curiosity,
capability, attitude and the willingness to learn and we encourage you to apply
if you can see yourself growing into this role - or another opportunity across
NRI.

At NRI, we value different experiences, perspectives and ways of thinking. We
are committed to an inclusive workplace where everyone has the opportunity to
belong, contribute and grow.

This role is based on [Indigenous Place Name] Land (Sydney). Chang...

About Planit

IT Services and IT Consulting · 1,001-5,000 employees · headquartered in Sydney, NSW