Senior Network Engineer - Field Services & Customer Operations

Western Sydney | Hybrid Working Arrangement | 4-Month Fixed-Term Contract (Initial Engagement) NEC Australia is seeking a Senior Network Engineer - Field Services & Customer Operations to join our Managed Services team supporting a key enterprise customer in Western Sydney. This is an initial 4-month fixed-term engagement offering a hybrid working arrangement, combining onsite customer support with remote collaboration. As the primary technical contact for operational issues, you will provide hands-on support across network, wireless, security and infrastructure environments while delivering exceptional customer outcomes. Key Responsibilities • Provide onsite and remote support for network, wireless and security services. • Investigate and resolve connectivity, switching, VLAN and firewall-related incidents. • Support Aruba switching, wireless and ClearPass environments. • Assist with Palo Alto firewall operations, troubleshooting and monitoring. • Perform authorised data centre hands-and-eyes activities, including cabling and equipment inspections. • Work closely with customer stakeholders, end users, vendors and specialist engineering teams. • Maintain accurate incident, request and change records through ITSM platforms. • Deliver clear communication and a high standard of customer service. About You You are a hands-on Network Engineer with experience supporting enterprise environments and a strong customer-first approach. Experience & Skills • Network engineering, field services, infrastructure support or network operations experience. • Strong troubleshooting skills across LAN, WLAN, VLANs, DNS, DHCP and IP networking. • Experience with Aruba switching and wireless technologies. • Exposure to Aruba ClearPass and Palo Alto firewalls. • Experience working in enterprise or managed services environments. • Data centre support and ITSM experience highly regarded. Desirable Certifications • Aruba Certified Switching Associate (ACSA) or Professional (ACSP) • Aruba Certified Network Technician (ACNT) • Aruba ClearPass Certification • Palo Alto PCNSE • ITIL Foundation If you're a customer-focused engineer who enjoys solving complex technical challenges and working with leading networking and security technologies, we'd love to hear from you. Ready to take your career to the next level? Apply now and let’s build something amazing together