Network Operations Engineer III

Position: Network Operations Engineer III (Hybrid role – 2 days/week in office, Day shift Sunday to Thursday). City: Belfast.

Job Description

The Network Operations Engineer III will support CME’s network infrastructure through monitoring, troubleshooting and change implementation using industry standard best practices, ensuring service operates within agreed service levels and aligns with policies, processes and standards. The role is key to ensuring overall platform stability and sustained delivery to clients and internal stakeholders.

Key Responsibilities

• Acts as first responder, helping to organize and control incident response.
• Day‑to‑day monitoring and management of our platforms to ensure internal SLAs, operational KPIs and quality standards are met.
• Handles complex technical support issues.
• Supports network faults to conclusion in a multi‑vendor, multi‑appliance infrastructure.
• Works closely with other IT teams, vendors, and service providers to resolve incidents and service requests.
• Day‑to‑day technical operations activities (including, but not limited to, network and firewall troubleshooting, scripting changes, infrastructure and firmware updates).
• Maintains a positive attitude and a high level of customer service at all times.
• Contributes to the overall development of operational systems and processes.
• Maintains accurate troubleshooting records through industry‑standard ticketing systems.
• Writes technical SOPs and other documentation.

Skills & Experience

• Essential:
  • Extensive experience in a fast‑paced, enterprise NOC role (minimum 2nd or 3rd line experience).
  • In‑depth support experience of LAN & WAN technologies: R/S: OSPF, BGP, TCP/IP, Layer 2 architectures.
  • Exposure to firewalls and load balancing with understanding of security posture (firewalling, ACLs, industry best practice, Internet architectures).
  • Load Balancing: F5 LB, iRules, persistence, etc.
  • VPN: IPSec and SSL.
  • Understanding of wireless technologies and experience with ISO and ITIL standards.
  • Experience supporting or working with cloud technologies.
• Desirable:
  • Enterprise R&S certification (Cisco, Juniper, etc.).
  • Enterprise Firewall Certification (Palo Alto, Fortinet, etc.).
  • Enterprise Wireless Certification (Aruba, Meraki, etc.).
  • Cloud Certification – GCP (Preferable) / AWS / Azure Certification.
  • Toolset management experience (Solarwinds, or similar).
  • WCA (Wireshark Certified) – or experience with hardware‑based packet capture systems.
  • Multicast: PIM‑SM, MSDP, AnyCastRP.

As an equal‑opportunity employer, we consider all potential employees without regard to any protected characteristic.

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