At a Glance
- Tasks: Lead network and security operations, troubleshoot critical outages, and drive automation.
- Company: Secure enterprise-level organisation in Central London with a hybrid work model.
- Benefits: Competitive salary, flexible working, and opportunities for professional growth.
- Other info: Mentorship opportunities and a chance to lead a talented team.
- Why this job: Join a dynamic team and make a real impact on network security and infrastructure.
- Qualifications: 8+ years in networking, active BPSS clearance, and expertise in Cisco SDN.
The predicted salary is between 80000 - 100000 £ per year.
Location: Central London (Bevis Marks area) (Hybrid)
Employment Type: Full-Time (FTE) or Subcontractor (B2B)
Compensation: Open / Competitive Market Rate
About the Role
We are partnering with a highly secure, enterprise-level organization to find a Network Security Lead to take ownership of their complex infrastructure. In this role, you will act as the ultimate technical escalation point (L3/SME) for a large-scale campus and cloud networking environment. You will bridge the gap between network operations and security, driving incident resolution, lifecycle management, and infrastructure automation while ensuring strict adherence to BPSS and organizational security standards.
What You Will Do
- Lead Operations: Direct network and security operations across enterprise LAN, WAN, WLAN, SD-WAN, and Cloud environments.
- Act as the L3 SME: Serve as the primary escalation point for critical outages, complex troubleshooting, and major incident response (including 24x7 on-call escalations).
- Secure the Perimeter: Administer, harden, and upgrade heavy-duty security platforms including Palo Alto, FortiGate, Cisco FTD, and Meraki.
- Manage Infrastructure: Oversee routing, switching, and wireless environments using Cisco Nexus, Aruba, Dell, HP, and Meraki hardware.
- Drive Automation: Identify operational bottlenecks and build Python or PowerShell scripts to automate repetitive tasks and improve efficiency.
- Govern & Mentor: Lead technical governance, participate in CAB meetings, and mentor a team of network and security engineers.
What You Must Have (Requirements)
- Clearance: Active BPSS (Baseline Personnel Security Standard) Clearance is absolutely mandatory.
- Experience: A minimum of 8 years in complex enterprise networking and security operations.
- Mandatory Tech Skill: Deep, proven expertise in Cisco SDN (Software-Defined Networking) Administration.
- Security & Identity: Hands-on experience with Network Access Control (Cisco ISE, 802.1X) and MFA integrations.
- Advanced Routing: Deep knowledge of networking protocols and overlays including BGP, OSPF, EIGRP, VXLAN, EVPN, and IPsec VPNs.
- Automation: Practical experience utilizing Python or PowerShell for network automation.
Lead Network Engineer (Active BPSS Clearance) employer: Randstad Staffing
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