LTM is a global technology consulting and digital solutions company that enables enterprises across industries to reimagine business models, accelerate innovation, and maximize growth by harnessing digital technologies. As a digital transformation partner to more than 750 clients, LTM brings extensive domain and technology expertise to help drive superior competitive differentiation, customer experiences, and business outcomes in a converging world. Powered by nearly 90,000 talented and entrepreneurial professionals across more than 30 countries, LTM — a Larsen & Toubro Group company — combines the industry-acclaimed strengths of erstwhile Larsen and Toubro Infotech and Mindtree in solving the most complex business challenges and delivering transformation at scale. For more information, please visit .
We are seeking a minimum of 8 years of experience for the position of Network Security Lead BPSS Compliant with strong expertise in enterprise and Campus networking network security cloud networking and Software Defined Networks SDN. The candidate will be responsible for leading network and security operations managing complex enterprise environments driving incident and change management and ensuring compliance with organizational security standards including BPSS controlled environments
Network Security Lead BPSS Compliant
London UK – Hybrid – 2 days a week
Key Responsibilities
- Lead and manage enterprise Network Security Operations across LAN WAN WLAN SDWAN Firewall VPN NAC and Cloud environments
- Provide L3 technical SME support and act as the primary escalation point for critical incidents outages and complex troubleshooting
- Administer and support Palo Alto FortiGate Cisco FTD and Meraki security platforms including policy management VPNs upgrades and security hardening
- Manage and troubleshoot Cisco Nexus Aruba Dell and HP routing and switching infrastructure
- Support and maintain Wireless Networks using Cisco Aruba and Meraki wireless controllers and access points
- Implement and maintain Network Access Control NAC solutions including Cisco ISE 8021X authentication and MFA integrations
- Design configure and troubleshoot advanced networking technologies including BGP OSPF EIGRP VXLAN EVPN DMVPN HSRP GLBP VPC and IPsec VPNs
- Drive Incident Change Problem and Service Request Management processes while ensuring adherence to operational SLAs
- Assess security vulnerabilities review advisories implement remediation plans and ensure network security compliance
- Lead infrastructure upgrades patching activities and lifecycle management of network and security devices
- Develop operational documentation SOPs KT materials and knowledge repositories
- Identify and implement automation opportunities using Python PowerShell or other automation tools to improve operational efficiency
- Mentor and guide network and security engineers providing technical leadership and governance
- Ensure compliance with BPSS security requirements access controls audit standards and customer security policies
- Participate in customer reviews CAB meetings technical governance forums and stakeholder communications
- Provide support within a 24x7 operational environment including oncall and major incident response activities
Mandatory Skills : Cisco DC/Branches Routers & Switches
Good to Have Skills : Network architecture
Network Security Lead in London employer: LTM
LTM Company is an exceptional employer that fosters a collaborative and innovative work culture, making it an ideal place for professionals seeking to make a meaningful impact in the technology sector. With a strong focus on employee growth, LTM offers ample opportunities for career advancement and skill development, particularly in the dynamic field of Salesforce B2C Commerce Cloud. Located in London, employees benefit from a vibrant city atmosphere while enjoying a flexible work arrangement that promotes work-life balance.
