Network andamp; Security SpecialistLocation: London, OnsiteType: PermanentSalary: £65,000 - £75,000An 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 andamp; 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 infrastructureLead threat detection and response using tools like SIEM, Sophos MTR, and SplunkManage Firewalls, VPNs, intrusion detection systems, and endpoint protectionConduct annual penetration testing and remediate vulnerabilitiesSupport disaster recovery planning and incident responseProvide BAU support and mentor junior IT staffTech Stack andamp; Tool