Security Professional
BT Group · Kolkata
- Experience5–8 yrs
- SalaryNot disclosed
- Work modeonsite
- Levelsenior
- Posted18 Sept 2026
About BT Group
BT Group is hiring in Kolkata in telecom. This role looks for around 5+ years of experience.
Skills
- network security
- Zscaler
- Firewalls
- Cisco ISE
- Aruba CPPM
- OKTA
- CyberArk
- IPS policy management
- device health monitoring
- ServiceNow
- ITIL
The role
A network security engineer at a global telecommunications and digital services company manages security infrastructure and customer environments, specializing in network security and identity and access management while supporting security operations and incident response. The role also applies ITIL and Zscaler expertise to deliver secure services for corporate customers.
Full job description
Job Title: Security Professional
Req ID: 61669
Job Function: Security
Posting Start Date: 18/09/2026
Posting End Date: 20/09/2026
Division: BT International
Job Location: IND-Rajarhat-DLF IT
Advertised Salary: Competitive
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About The Role
To manage and administer network security technologies for BT and its Global customers.
Customer facing role for security operational teams having hands-on experience on security product and support on IT Security based services to a specified group of external global/corporate customers encompassing Change and Incident Management, Customer services, enquiries, fault diagnosis/resolution and problem management.
Position is based out of Gurgaon 24x7 Global Security Operational Centre.
What You’ll Be Doing
Form an integral part of 24*7 rota to provide security in-life supportBe a Subject Matter Expert for technology & customer infrastructure networkTriage, Review, and implement security specific changes in line with Customer security policies and change control processes.Identifying areas of Service Improvement Program (SIP) for key clients and reducing incidentsReview code upgrade and test implement before rolling on to productionReview documentation Recognizes successful intrusions and compromises through review and analysis of relevant event detail informationTo provide reactive incident support via Service Now , attending customer troubleshooting calls, providing detailed analysis and fixing issues within contractual obligation and SLA Adhere to change and incident management process. Represent on CAB for complex technical issuesDrive new product launches & technology trainingTo ensure that all agreed communication, notification , updates are delivered in timely mannerMentoring and supporting collegues with knowledge sharing on issues, technology platform
Essential Skills / Experience
Hands-on experience in operation and management of security infrastructure.
5-8 years of experience on following products/technologies
Knowledge and Hand on experience on Zscaler (ZIA,ZPA,ZDX,ZTB)Knowledge and handon experience on Firewalls (ASA, FTD, FMC, Palo Alto Next Gen Firewall)Implementation and operation support experience on NAC Solution (Cisco ISE and Aruba CPPM)Identity and access managent knowledge on OKTA,CyberArkIPS policy management, signature fine tuning.Knowledge of device health monitoring tools and systemsStakeholder management and ability to work under pressureEffective oral and written communication
Experience Required
Experience of working in a global security operation environment, ticketing-tools like remedy, Service Now and exposure to ITIL processes in context of service operations is a plusZscaler CertificationCCSP//PCNSE/NSE4 prefferedProfessional Qualification such as B.E./B.Tech/MCA Diploma in a relevant field is Acceptable
At BT International, our purpose is to keep the world connected. As part of BT, we build on almost 180 years of innovation and expertise to deliver secure connectivity and digital services to some of the world’s leading multinational businesses and organisations. Our customers trust us to safeguard their data, drive their digital transformation and keep their businesses running. With colleagues on the ground across the world and supporting customers wherever they need to operate, BT International offers a truly global experience. Whether it’s about providing cloud connectivity, helping organisations collaborate, or enabling innovation in cybersecurity and digital services, you’ll be part of a team that shapes how businesses succeed in a world that is being transformed by AI. If you have the drive and ambition to make an impact on a global stage, BT International is where it happens.