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 .