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Lead Security Engineer

NTT Global Networks

5 - 10 years

Mumbai

Posted: 17/12/2025

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Job Description

Job Title: Lead Engineer Network Security Implementation / Network Security Implementation Lead

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:
  1. Firewall: Palo Alto, Cisco, Checkpoint, Fortinet
  2. VPN - IPSEC, Pulse SSL VPN : Juniper, F5, Cisco
  3. Content Filtering: Bluecoat , Websense, McAfee, Iron Port, Zscaler
  4. IPS: Palo Alto, Cisco, Juniper, Tipping Point, McAfee,
  5. Unified Thread Management (UTM)
  6. SIEM/SIM products
  7. AAA services: ACS, Radius, RSA
  8. 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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