Technical Security Engineer

Job Description Technical Security Engineer

Team: Global Delivery Cyber Technology

Designation: Technical Security Engineer

Job Role: Firewall and Network Technical Support

Experience: 5-7 years hands-on experience in network and firewall support

Work Mode: On-Site ( 8x5 )

Shifts: Flexible hours with on-call support when required

Role

Provide on-site support and administration for enterprise network and firewall security infrastructure at client premises. Responsible for maintaining availability, performance, and security of LAN/WAN connectivity and perimeter defenses through monitoring, troubleshooting, configuration management, and incident response. Supports ongoing optimization to ensure a stable and secure network environment aligned with operational needs.

Key Responsibilities

Network & Firewall Security Operations

Administer, maintain, and optimize enterprise firewalls and network security infrastructure

Perform preventive and corrective maintenance to ensure reliability and uptime

Monitor network health, capacity, availability, and security events

Manage firewall rules, security policies, NAT, VPNs, segmentation, and access controls

Maintain LAN/WAN connectivity, routing, switching, and perimeter defenses

Execute firmware upgrades, patching, and system hardening

Configuration, Change & Risk Management

Maintain secure configuration baselines and standards

Implement approved changes following change management procedures

Support resilience, redundancy, and failover capabilities

Ensure configurations align with security policies

Documentation & Reporting

Prepare periodic technical and service reports

Maintain records of configurations, changes, incidents, and maintenance

Produce network health and performance summaries

Security Advisory & Continuous Improvement

Provide technical guidance on firewall and network security improvements

Recommend enhancements based on operational requirements

Support implementation of upgrades and optimization initiatives

Stay updated on relevant security threats and technologies

Compliance & Operational Duties

Adhere to organizational policies, procedures, standards, and SLAs

Work independently on-site while maintaining stakeholder communication

Perform additional duties within project scope as required

Experience Requirements

5-7 years of hands-on experience in enterprise network and firewall security support

Experience administering firewalls and secure network environments

Exposure to client-facing or on-site support roles

Familiarity with monitoring, incident management, and change control processes

Mandatory & Preferred Requirements

Solid understanding of LAN/WAN technologies, routing, and network security fundamentals

Relevant networking or cybersecurity certifications preferred

Fortinet (NSE 7) and Palo Alto firewall administration (PCNSA/PCNSE) certification strongly preferred

Experience with VPNs, segmentation, access control, and security best practices

Familiarity with network monitoring and security tools

Strong troubleshooting and analytical skills

Good communication and reporting abilities

Ability to work independently in a client environment

Core Skills & Competencies (L3/L4 Fortinet & Palo Alto Focus)

Hands-on management of enterprise firewalls in production environments

Configuration and administration of Fortinet FortiGate and Palo Alto Networks firewalls

Familiarity with Fortigate product suite, FortiWeb and Palo Alto Firewall ( PA-5220 )

Firewall policy management, NAT, VPN (IPsec/SSL), and security zoning

LAN/WAN connectivity, routing, switching, and network segmentation

Security incident troubleshooting and remediation

System hardening, firmware upgrades, and patch management

Performance monitoring and high-availability support

Change management and technical documentation

Integration with centralized management and monitoring platforms

Stakeholder communication and technical advisory support

Understanding of SLAs and operational processes

Educational Qualifications

Bachelor's degree or equivalent in computer science, Information Technology, Network Engineering, or related field