First seen by Alion on Sep 23, 2026.
We are seeking an experienced L3 Network Engineer to support mission-critical infrastructure for a hyperscale data centre operator. You will lead the diagnosis and restoration of network incidents, working with carriers, OEMs and vendors to maintain availability across a live production environment.
Responsibilities:
- Troubleshoot and resolve L3 incidents involving switches, routers, firewalls and network security platforms.
- Support secure remote access, VPN and privileged connectivity.
- Manage carrier, internet, private line and Wi-Fi connectivity issues.
- Administer DNS, DHCP, NTP, routing, network segmentation and load balancing.
- Lead root-cause analysis for P1/P2 incidents and follow through on corrective actions.
- Maintain network diagrams, configuration records and operational runbooks.
- Serve as a primary or secondary escalation contact in a 24x7 on-call rotation.
Requirements:
- At least 6 years of experience in enterprise or data centre networking, including ownership of L3 incidents.
- Cisco CCNP/CCIE or Juniper JNCIP/JNCIE certification.
- Strong hands-on knowledge of BGP, OSPF, MPLS, VLANs and network segmentation.
- Experience with at least one firewall platform, such as Palo Alto, Fortinet, Cisco ASA or Check Point.
- Familiarity with formal incident and change management processes; ITIL Foundation certification preferred.
- Availability for a 24x7 on-call rotation.
- Experience with Cisco Nexus/ACI or Arista data centre fabrics is an advantage.
To apply,simply click the "Apply" button or send your updated profile to [email protected]
EA Licence No.:18S9405 / EA Reg. No.:R1330864
Percept Solutions is expanding and actively seeking talented individuals. We encourage applicants to follow Percept Solutions on LinkedIn at https://www.linkedin.com/company/percept-solutions/to stay informed about new opportunities and events.
Skills
Fortinet, 24x7 Support, Cisco ASA, MPLS, Escalation Contact, Network Load Balancing Services, Data Center, NTP, Remote Access, Root Cause Analysis, Incident Management Process, connectivity issues, Configuration Management, Internet, VLAN Hopping, Firewall Management

