Job Title: Lead Engineer – Security Operations

Department: Engineering and Operations

Location: Mumbai

Reporting: Manager Security Operations

Job Type: Full Time

Shift: Rotational Shift

- PRE-REQUISITES

- Robust technical and subject matter expertise in at least four or more of the following security specialties:
- Firewall: Cisco, Palo Alto, Checkpoint, Fortinet, Zscaler, Barracuda
- VPN - IPSEC, SSL VPN: Ivanti, F5, Cisco, GlobalProtect
- NAC: Cisco ISE, Aruba ClearPass
- Unified Thread Management (UTM)
- SIEM products Qradar, Microsoft Sentinel etc.
- Load Balancers: F5 BigIP LTM/GTM, Citrix ADC
- Network Security (multi-vendor) experience.
- Cloud Infrastructure Mgmt.: Cloud stack, OpenStack, AWS, Azure, Netskope, PaloAlto Prisma
- Knowledge on scripting language like Python and automation
- Working knowledge and hands-on experience on Linux/Unix OS is desirable.
- Customer service experience preferably in a Global Operations Center environment
- Ticketing system knowledge
- Ability to workdays, evenings and weekends as required; 24x7 support in rotating shifts
- Flexibility with the ability to manage stressful situations and adapt to rapidly changing environments and requirements
- Analytical thinker willing to “think outside the box” to resolve customer impacting situations on first contact; understand customer pain
- Ability to work with Operations and Engineering on the priority of issues to resolve the urgent customer impacting issues first
- Aptitude and desire to learn advanced Network Security services.
- Creative, flexible thinker who is willing to take initiatives and share alternative solutions with peers and management
- Hands-on experience on Vulnerability Scanning, Penetration Testing Tools (Qualys, Nessus, Rapid7)
- Exceptional documentation and communication skills
- Ability to thrive in a fast paced, multi-cultural,



customer-oriented environment
- MS Office proficiency

- RESPONSIBILITIES

- Incident Resolution
- Ticket resolution - work on trouble tickets, support the operation of advanced Network Security Services and take escalations
- Queue Management - keep a watch on queue and assign tickets
- Service Request - working on request for changes as per client requirements
- Perform the minor/major changes as per defined SoC process and work instructions
- Be a Subject Matter Expert (SME) on a few products
- Create Standard Operation Procedure
- Attend client calls and other technical meetings
- Assist in creation of Root Cause analysis (RCA)
- Security Performance Tuning
- Identify areas of Service Improvement Program (SIP) for key clients and reduce incidents
- Review code upgrade and test implement before rolling on to production
- Review documentation
- Recognize successful intrusions and compromises through review and analysis of relevant event detail information
- Review and update ROE on yearly basis
- Other Functions
- Work with hardware/software vendors to resolve problems
- Coordinate shifts and exchange handoff between various shifts
- Cross-train and mentor juniors
- Participate in various network and security related projects
- Perform other duties as assigned
- Any additional task given to the incumbent from time-to-time based on business needs

- TRAINING AND CERTIFICATION REQUIRED

- CCNA, CCSA, Fortinet NSE-4, PCNSE, CCIE, CEH

- EXPERIENCE

- Minimum 10 years of progressive, relevant experience and proven capability to work in a complex network environment

- EDUCATION

- Bachelor in Engineering - Computers/Electronics/Communication or related field
- Graduate/Post Graduate in Science/Math/IT or related streams with relevant technology experience

- TECHNICAL AND OTHER SKILLS

- Knowledge of ITIL, ISO27K, SOC 2 will be beneficial

INDGN2026

📌 Lead Security Engineer - IXLI (Maharashtra)
🏢 NTT Global Networks
📍 Maharashtra