Network & Systems Engineer (Linux)

At NCS Australia, we believe in doing technology services better. Our commitment to quality, focus on people, and willingness to challenge traditional thinking set us apart. Our team brings this belief to life by partnering with our clients and communities to make tomorrow together.

We are committed to creating an environment that prioritises innovation, collaboration, and purposeful work. Our diverse team is empowered to make a meaningful impact with curiosity, creativity and resilience to shape better outcomes. Join us and accept the challenge of creating a better tomorrow.

Network & Systems Engineer (Cisco) – Sydney / Field-Based

We are seeking a Network & Systems Engineer with approximately 2–5 years’ experience to join a team supporting enterprise customers across multiple data centre environments.

This role is primarily focused on network engineering (Cisco environments), with some exposure to Linux systems administration considered highly desirable. It is a hands-on operational role, supporting live infrastructure and ensuring high availability, performance, and reliability across customer environments.

The role will require regular travel between data centres and customer sites, so a driver’s licence and access to a car is strongly preferred.

An Australian Citizenship is essential due to customer site access requirements.

Key Responsibilities

• Support and maintain network infrastructure (Cisco-based LAN/WAN environments) including routing, switching, and firewalls
• Troubleshoot and resolve network incidents and service outages, ensuring minimal business impact
• Perform proactive monitoring of network performance, availability, and capacity
• Configure and support network security controls including VPNs, firewalls, and access controls
• Conduct root cause analysis for network issues and implement permanent fixes
• Support system and infrastructure health checks across networked environments
• Assist with Linux system support (RHEL/Ubuntu) where required
• Support hybrid environments with exposure to cloud networking (AWS/Azure desirable)
• Work with senior engineers to support network upgrades, changes, and deployments
• Contribute to documentation, standards, and operational improvements

Key Requirements

• 2–5 years’ experience in a Network Engineering or Network Support role
• Strong hands-on experience with Cisco networking (routing, switching, VLANs, etc.)
• Good understanding of TCP/IP, DNS, DHCP, VPNs, and network security principles
• Experience in incident management and troubleshooting in live environments
• Familiarity with monitoring tools such as Splunk, Nagios, or Prometheus
• Basic scripting exposure (Bash or Python) highly desirable
• Some exposure to Linux systems administration (RHEL preferred) is a bonus
• Strong problem-solving and analytical skills

Essential Requirements

• Australian Citizenship (mandatory)
• Valid driver’s licence and willingness to travel between customer data centres/sites

Why join us: 

NCS Australia is where you can feel at home, nurturing your talents and skills as we make tomorrow together, one day at a time. Our benefits include paid parental leave, initiatives focused on your well-being and discounted health insurance. You will also enjoy discounts on various products and services and be regularly recognised and rewarded for high performance. We are committed to your career development through our Capability Fingerprint, industry and partner training programs, special interest groups, and an AI-driven learning platform. No matter where you are in your career, we offer meaningful work and opportunities for growth.

NCS Australia is an equal-opportunity employer, and we take pride in our commitment to valuing and supporting our people and the communities we serve.We are dedicated to attracting, retaining and developing our people regardless of gender identity, ethnicity, sexual orientation, disability and age. Applications are encouraged from all sectors of the community and we strongly encourage applications from the Veterans, Aboriginal and/or Torres Strait Islander community.

At NCS Australia, we are committed to supporting adjustments throughout the recruitment and selection process, as well as during employment. We actively support and encourage people with disability to apply. 

Agencies:

We’ve got this. We request that you do not contact NCS employees outside of the Talent Acquisition team. NCS exclusively accepts resumes from agencies on our preferred supplier panel through the NCS Agency Portal. Agencies that submit resumes must have a valid fee agreement and be assigned to the particular requisition by the Talent Acquisition team. Any resumes that are submitted outside of this process will become the sole property of NCS. If a candidate is hired outside of this process, no fee or payment will be given.

Work rights and background checks: 

To be eligible for a position with us, applicants will need to have valid work rights for Australia and be willing to undergo a comprehensive background checking process, including probity and police checks