Lead Network Security Engineer

Role & responsibilities

Domain & Technical Leadership

• Own the end-to-end Network & Security tower strategy, architecture governance, and operational performance.
• Provide technical leadership across:
• Palo Alto Firewalls
• Arista Switching Infrastructure
• Enterprise Wireless Networks
• Agni NAC
• WAN, LAN and Internet Connectivity
• VPN and Remote Access Technologies
• SD-WAN and Branch Connectivity
• Load Balancers and Network Security Controls
• Act as the highest-level escalation point for critical incidents and major outages.
• Define and maintain enterprise standards, policies, and operational procedures.
• Lead infrastructure lifecycle management, technology refresh, and modernization initiatives.

Global Network Operations Management

• Manage availability, capacity, and performance of a global network estate covering:
• 29 locations across multiple countries
• 2,000+ routers, firewalls and switches
• 3,000+ wireless access points
• Ensure highly available, resilient, and secure network operations.
• Drive proactive monitoring, event correlation, and operational observability.
• Establish fault avoidance and predictive maintenance practices.
• Implement network optimization initiatives to improve end-user experience.
• Govern ISP, telecom, and OEM relationships.

Service Delivery & Operational Excellence

• Own service delivery performance for the Network & Security tower.
• Ensure achievement of all:
• SLAs
• OLAs
• Customer Satisfaction Metrics
• Contractual Commitments
• Drive ITIL-based Incident, Problem, Change and Major Incident Management processes.
• Lead operational reviews and service governance meetings.
• Develop and execute service improvement plans.
• Drive operational maturity through automation and standardization.

Reliability Engineering & Continuous Improvement

• Establish a culture focused on reducing operational risk and improving service reliability.
• Drive measurable improvements in:
• Incident Reduction
• Major Incident Prevention
• Mean Time to Restore (MTTR)
• Mean Time Between Failures (MTBF)
• Availability Metrics
• First-Time Resolution Rates
• Conduct trend analysis and root cause reviews for recurring issues.
• Lead implementation of self-healing and automated remediation solutions.
• Improve monitoring coverage and observability capabilities.

Security Governance & Compliance

• Ensure network and security infrastructure complies with:
• ISO 27001
• SOC
• PCI-DSS
• Data Privacy Requirements
• Client Security Standards
• Regulatory and Audit Obligations
• Support internal, external, customer, and regulatory audits.
• Partner with Cyber Security teams to strengthen security posture.
• Ensure timely remediation of vulnerabilities and audit findings.
• Govern firewall policies, network segmentation, access controls, and NAC standards.

Risk Management & Business Continuity

• Own risk identification and mitigation across network and security services.
• Ensure network resiliency, disaster recovery readiness, and business continuity compliance.
• Conduct regular resilience testing and failover exercises.
• Maintain and review operational risk registers.

Vendor & Stakeholder Management

• Serve as the primary interface for client leadership on all Network & Security matters.
• Manage relationships with:
• OEM Partners
• Telecom Providers
• Managed Service Providers
• Security Vendors
• Lead executive communications during major incidents.
• Present operational performance, risks, and improvement opportunities to senior leadership.

People Leadership

• Lead and manage a team of approximately 70 network and security professionals.
• Build a strong leadership bench comprising managers, leads, architects, and SMEs.
• Drive workforce planning, succession management, and career development.
• Establish technical certification and skill-development programs.
• Foster a culture of accountability, collaboration, innovation, and continuous learning.
• Manage performance, employee engagement, retention, and talent development initiatives.

Success Metrics

The Domain Leader will be measured on:

• Network Availability and Uptime
• SLA and KPI Achievement
• Major Incident Reduction
• MTTR Improvement
• MTBF Improvement
• Security Compliance Scores
• Audit Findings Closure
• Change Success Rate
• Customer Satisfaction Scores
• Automation Adoption
• Cost Optimization Outcomes
• Team Engagement and Attrition Metrics