Senior Network Security Engineer
Listed on 2026-09-22
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IT/Tech
Cybersecurity, Network Security
Direct message the job poster from ITC Secure
Sourcing the best Cyber Security 💻 & Cloud ☁️ talent at ITC SecureReports to: NOC Manager
Job purpose: As a member of a team of experienced Network and Security Engineers and Analysts within ITCs Security Operations Centre (SOC), you will monitor, manage and support highly secure, complex network environments for a portfolio of blue‑chip and SME Customers. Also, you will provide security analysis of customer security events, monitoring and investigating incidents in customer environments with a focus on SIEM, vulnerability management, behavioural analytics and MDR for a portfolio of blue‑chip and mid‑market customers.
Key interfaces: Operation Centre Team Leaders, NOC Manager, SOC Manager, Service Delivery Managers, Network Security Engineers and SOC Analysts, Vendors, Customer Network and Security Teams, Project Engineers
The role will involve:Network Security Services:
- Creating/modifying device configurations across Cisco switching and routing products
- Creating/modifying firewall configurations and policies for Cisco FTD and a range of other vendors
- Management of Cisco ISE and Fore Scout NAC solutions
- Management of incidents, changes and problems through to resolution
- Excellent troubleshooting skills, with prior experience working as an escalation engineer
- Management of network management platform (Solar Winds)
- Working with service providers and vendors
- Analysis and investigation of alerts arising from Security Event and Information Management tools
- Analysis, investigation and refinement of alerts and reports arising from Network Behaviour Analytics tools
- Vulnerability Scanning and reporting. Prioritising and tracking remediation of vulnerabilities
- Contributing to content on existing tools, implementing new rules, and refining existing rules to better discover network threats
- Using packet‑capture tools, analyse packet flows and utilise network‑based User Behaviour Analytics to understand breaches and track propagation of malware
- Using Threat Intelligence Services to identify potential new threats and develop new mitigations?](n?ent?
- Working with customer security teams to detect, contain and eradicate threats
- Ensuring our services are optimised and providing best value to our customers
- Coaching, mentoring and guidance of junior engineers and analysts
- Actively contributing to our development of the ITC managed services with an innovative approach
A Degree, Certifications or equivalent work‑related experience (desirable)
- Demonstrable competence and capability in a network security support role (essential)
- Confident working knowledge of Cisco FTDs, Palo Altos, VPNs, Cisco routing and switching administration via GUI & CLI (essential)
- Firewall Management:
Cisco FTD, Palo Alto, Fortinet - MVIS:
Cisco ISE, Forescout Counter ACT, Qualys
- SIEM Analytics
- Behavioural Analytics
- Vulnerability Intelligence
- Is certified in and/or has a strong working knowledge of Cloud Security Technologies (Azure and AWS) (desirable)
- Has a passion for Security & Networks
- Ability to cope successfully under pressure and with shifting priorities; able to meet demands for occasional out‑of‑hours working and on‑call escalation
- Customer‑facing with good report‑writing skills and strong written and verbal (English) communication skills at all levels (essential)
- Enjoys solving problems; is naturally inquisitive; contributes innovation and ideas for the continual improvement of services
- Will provide technical and service leadership to Engineers & Analysts
- Understands the phases of incident response and the Cyber…
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