Lead Security Engineer
NTT Global Networks
5 - 10 years
Mumbai
Posted: 21/02/2026
Job Description
Job Title: Lead Engineer Network Security Implementation
Department: Engineering and Operations
Location: Mumbai
Reporting: Manager Security Operations
Job Type: Full Time
Shift: Rotational Shift
PRE-REQUISITES
- Strong technical and subject matter expertise in at least four or more of the following security specialties:
- Firewall: Palo Alto, Cisco, Checkpoint, Fortinet
- VPN - IPSEC, Pulse SSL VPN: Juniper, F5, Cisco
- Content Filtering: Bluecoat, Websense, McAfee, Iron Port, Zscaler
- IPS: Palo Alto, Cisco, Juniper, Tipping Point, McAfee,
- Unified Thread Management (UTM)
- SIEM/SIM products
- AAA services: ACS, Radius, RSA
- Load Balancers: F5 BigIP LTM/GTM, Juniper, Netscaler
- Network Security (multi-vendor) experience
- Knowledge of Cloud Infrastructure Management: Cloudstack, Openstack, Virtualization (KVM, CentOS)
- Scripting language: Ruby, Perl or Python
- Extensive implementation experience on Palo Alto, SSL VPNs and other security products
- Working knowledge and hands-on experience on Linux/Unix OS is desirable
- Understanding the business requirements and working with customer and sales team for optimal solution
- Attend client calls and other technical meetings and working across shifts depending on the implementation schedule
- Experience in a Global environment for implementing security solutions
- Flexible with work schedule to align with migration or implementation window in 24x7 global environment
- Excellent communication skills and ability to handle high pressure situations
- Analytical thinker willing to think outside the box to resolve customer impacting situations
- Act as an escalation for Operations to resolve the business impacting critical issues
- Exceptional documentation and communication skills
- 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
- Knowledge on Vulnerability Scanning, Penetration Testing Tools
- Ability to thrive in a fast paced, multi-cultural, customer-oriented environment
RESPONSIBILITIES
Responsible for implementing end to end security solutions for enterprise customers. The key task is understanding the business requirements, collaborating with various internal teams including sales/vendor/customer, highlight risk and provide mitigation plan and timely implementation of the solution
- Attend client calls and other technical meetings
- Working across time zones depending on the implementation schedule
- Excellent documentation skills and creating SOPs and MOPs
- Hand holding to Operations on implemented projects for smooth transition to Operations
- Act as an escalation for Operations to resolve the business impacting critical issues
- Perform the minor/major changes as per defined SOC process and work instructions
- Subject Matter Expert (SME) for select products
- Attend CAB meetings and provide comprehensive maintenance plans for change management review and approval
- Security Performance Tuning
- Review code upgrade and test implement before rolling on to production
- Cross-train and mentor juniors
- Any additional task given to the incumbent from time-to-time based on business needs
TRAINING AND CERTIFICATION REQUIRED
- PCNSE, PCNSA, ACE, CCNA, CCSA/SE, CCSP, CCIE, JNCIS-SEC, JNCIS-FWV, JNCIS-SSL
EXPERIENCE
- Minimum 10 years of progressive, relevant implementation experience working in a complex network environment for Global customers
EDUCATION
- Bachelors in engineering - Computers/Electronics/Communication or related field
- Graduate/Postgraduate in Science/Maths/IT or related streams with relevant technology experience
TECHNICAL AND OTHER SKILLS
- Knowledge of ITIL, ISO27K will be beneficial
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