Job Description

Job Title: Lead Engineer – Security Operations

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Department: Engineering and Operations

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Location: Mumbai

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Reporting: Manager Security Operations

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Job Type: Full Time

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Shift: Rotational Shift

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



customer-oriented environment
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- MS Office proficiency
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1. RESPONSIBILITIES
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- Incident Resolution
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- Ticket resolution - work on trouble tickets, support the operation of advanced Network Security Services and take escalations
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- Queue Management - keep a watch on queue and assign tickets
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- Service Request - working on request for changes as per client requirements
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- Perform the minor/major changes as per defined SoC process and work instructions
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- Be a Subject Matter Expert (SME) on a few products
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- Create Standard Operation Procedure
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- Attend client calls and other technical meetings
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- Assist in creation of Root Cause analysis (RCA)
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- Security Performance Tuning
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- Identify areas of Service Improvement Program (SIP) for key clients and reduce incidents
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- Review code upgrade and test implement before rolling on to production
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- Review documentation
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- Recognize successful intrusions and compromises through review and analysis of relevant event detail information
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- Review and update ROE on yearly basis
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- Other Functions
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- Work with hardware/software vendors to resolve problems
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- Coordinate shifts and exchange handoff between various shifts
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- Cross-train and mentor juniors
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- Participate in various network and security related projects
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- Perform other duties as assigned
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- Any additional task given to the incumbent from time-to-time based on business needs
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1. TRAINING AND CERTIFICATION REQUIRED
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- CCNA, CCSA, Fortinet NSE-4, PCNSE, CCIE, CEH
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1. EXPERIENCE
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- Minimum 10 years of progressive, relevant experience and proven capability to work in a complex network environment
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1. EDUCATION
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- Bachelor in Engineering - Computers/Electronics/Communication or related field
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- Graduate/Post Graduate in Science/Math/IT or related streams with relevant technology experience
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1. TECHNICAL AND OTHER SKILLS
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- Knowledge of ITIL, ISO27K, SOC 2 will be beneficial
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INDGN2026

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