Global Network Administrator - Cisco & Security

Crown; Sydney; On-site; AUD 90,000 - 120,000; Full time

Benefits offered by this job

Discounts and cashback from 400+ retai

Health & wellbeing platform

Corporate private health insurance

Inclusive working environment

Employee Assistance Program

Job summary

Crown is seeking a skilled Network Administrator to design, implement, and support our LAN, WAN, and VOIP infrastructure in Sydney. You will maintain global network systems, ensuring security and optimal performance across the business.

Responsibilities include monitoring, documentation, audits, DR planning, and Cisco-based design and upgrades. CCNA is required; CCNP and Palo Alto experience are highly valued.

Qualifications

• Bachelor's degree in Computer Science, MIS, or related field.
• CCNP - Highly Desired

Responsibilities

• Monitor and maintain network performance and availability.
• Maintain documentation for configurations, procedures, and policies.
• Conduct regular audits and vulnerability assessments.
• Support global network operations and disaster recovery planning.
• Plan, install, and configure routers, switches, firewalls, VPNs, and servers.
• Design and implement network infrastructure using Cisco technologies.
• Ensure compliance with industry standards (ISO, GDPR).
• Collaborate with cybersecurity teams to enforce security protocols.
• Analyze traffic patterns and recommend upgrades.
• Provide technical support and resolve network-related issues.
• Assist in strategic planning and implementation of enterprise-wide projects.
• Work with vendors and data centres on configurations and outages.
• Stay current with emerging technologies and industry best practices.
• Participate in a rotating after-hours support schedule.
• Provide support for critical IT projects and maintenance windows.

Skills

LAN/WAN

TCP/IP

DNS/DHCP

VPNs

Cisco technologies

CCNA

CCNP

Palo Alto

Network monitoring

Troubleshooting

Communication

Education

Bachelor's degree in Computer Science / MIS

CCNP - Highly Desired

Tools

SolarWinds

Path Solutions

Job description

Crown is seeking a skilled Network Administrator to design, implement, and support our LAN, WAN, and VOIP infrastructure in Sydney. You will maintain global network systems, ensuring security and optimal performance across the business.

Responsibilities include monitoring, documentation, audits, DR planning, and Cisco-based design and upgrades. CCNA is required; CCNP and Palo Alto experience are highly valued.