About the Role:Expleo is a trusted partner for end-to-end, integrated engineering, quality services, and management consulting for digital transformation. As part of the Expleo UK Cybersecurity Practice, you will join a managed Cyber Operations service for a major UK energy network operator that forms part of the UK's Critical National Infrastructure (CNI).As a Security Engineer | Network, you will provide design, review, and analysis expertise across the client's firewalls, intrusion prevention, secure web gateway, and remote access controls. This is a design, review and advisory role working within Expleo's offshore consultancy team.Responsibilities:- Assess firewall, intrusion prevention and gateway change requests for security risk and design quality.- Carry out quarterly firewall rule-base reviews using configuration exports.- Analyse network security log and alert reporting monthly and during incidents.- Track intrusion prevention signature releases and advise on critical updates.- Contribute to secure web gateway,



remote access and CASB policy design and review.- Review network segmentation and IT/OT boundary controls.- Define audit logging requirements for network security devices.- Produce internet access usage and network security reports.- Maintain network security infrastructure diagrams and configuration documentation.Qualifications :- Degree in computer science, networking, cybersecurity or a related discipline, or equivalent skilled experience.- Vendor firewall certification (e.g. PCNSE or Fortinet NSE 4 or above).- CompTIA Security+, CySA+, CCNP Security, or an SSE/SASE vendor certification would be advantageous.Essential Skills :- Next-generation firewall design and rule-base review (e.g. Palo Alto, Fortinet, Check Point).- Intrusion prevention and network detection technologies (e.g. Trend Micro TippingPoint, Cisco Firepower, Darktrace).- Secure web gateway, SSE/SASE and remote access (e.g. Prisma Access, Zscaler, Netskope).- TCP/IP, routing, VPN, network segmentation and IT/OT boundary concepts.- Security log analysis and ITIL change and incident processes.What Do I Need Before I Apply :- Right to work in India and based in or willing to relocate to Chennai.- Willingness to complete Expleo enhanced pre-employment background screening.- Ability to work hours that overlap with the UK business day.- Excellent written and spoken English. (ref:hirist.tech)

📌 Expleo - Security Engineer - Network Domain (Chennai)
🏢 EXPLEO SOLUTIONS IMITED
📍 Chennai