Network & Security Specialist
Location: London, Onsite
Type: Permanent
Salary: GBP65,000 – GBP75,000
An experience Network and Security engineer is required for a globally recognised organisation in the energy and trading sector, known for its high–performance culture and cutting–edge technology environment. This is a rare opportunity to join a well–funded, international business with a strong London presence, where technology plays a central role in driving operational excellence.
They are seeking a well–rounded Network & Infrastructure Security Specialist to join a small, collaborative IT Team and take ownership of the company's network and infrastructure estate, while also contributing to proactive security improvements.
The Role:
You'll be the technical lead for all things network and infrastructure –designing, implementing, and maintaining robust infrastructure to support a fast–paced, mission–critical environment. You'll also collaborate with support and infrastructure teams to ensure seamless operations and rapid incident response.
Key Responsibilities:
* Design and implement strategic plans for network and security infrastructure
* Lead threat detection and response using tools like SIEM, Sophos MTR, and Splunk
* Manage Firewalls, VPNs, intrusion detection systems, and endpoint protection
* Conduct annual penetration testing and remediate vulnerabilities
* Support disaster recovery planning and incident response
* Provide BAU support and mentor junior IT staff
Tech Stack & Tools:
* Security: Checkpoint, Cisco ISE, Zscaler, Sophos MDR, Mimecast, Okta, Fortinet
* Networking: Cisco Catalyst/Nexus, Proxy (Squid/Pfsense), CUCM
* Infrastructure: VMware, Dell VxRail, Rubrik, RecoverPoint
* Monitoring: LogicMonitor, Security Scorecard, Horizon 3.AI NodeZero
* OS & Platforms: Windows Server 2025/2022, Linux, Exchange 2016/2019, SQL Server
About You:
* Hands–on experience in network and infrastructure support
* Strong knowledge of Cisco and Checkpoint technologies
* Proficient working within a VMware environment
* Comfortable working in a regulated, high–availability environment
* Excellent troubleshooting skills and a sleeves–rolled–up attitude
* Certifications – minimum of CCNA. CCNP is desirable
Why this opportunity?
* Join a prestigious global business with a strong London base
* Work in a collaborative, technically advanced environment
* Opportunity to shape the future of IT security in a mission–critical role
Please get in touch for an immediate review – (see below) #J-18808-Ljbffr