3rd Line Network Engineer

🕒 April 23

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Roc Technologies

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2013

🔒 Cybersecurity

🏢 Enterprise

🤝 B2B

Cybersecurity • Enterprise • B2B

Roc Technologies is a UK-based managed services and IT consultancy that designs, builds and operates secure, high-performance network and cloud infrastructure for public and private sector organisations. It offers networking transformation (physical cabling, AI-driven wireless, SASE), cloud modernisation and cloud security, cyber consulting and incident management, penetration testing and vulnerability management, managed SOC and managed services, and hyperautomation and professional services to help organisations modernise and secure their IT estates.

📋 Description

• Maintain high availability of customer networks through proactive monitoring, maintenance, and failover testing • Act as the final point of technical escalation (Tier 3) within the MSOC • Troubleshoot complex incidents, problems, and changes, keeping customers regularly updated • Engage with third-party vendors to log and manage support cases • Identify and recommend service and operational improvements • Collaborate with Team Leaders and Service Delivery Managers on continual improvement initiatives • Ensure all work meets or exceeds agreed Service Level Agreements (SLAs)

🎯 Requirements

• 3–5 years’ experience in a 3rd Line Infrastructure or similar role • Strong technical expertise in networking, including: Juniper networking (LAN/Wireless) and Mist Switching technologies (Aruba or Cisco) • Routing and wireless networking • Network Access Control (Cisco ISE / Aruba ClearPass) • VMware ESX hosting • Firewall technologies (Fortinet, Cisco, Palo Alto, Check Point) • VLAN configuration and routing • Confidence working in live customer environments • Cisco CCNP (or equivalent)

🏖️ Benefits

• Flexibility to work on customer sites when required • Participate in 24/7 support during high-priority incidents • Maintain professionalism, integrity, and strong working relationships • Adapt quickly to changing priorities and business needs • Undertake additional duties as requested by management