Senior Network Security Engineer

iSystems Ltd · , sindh, pakistan, Pakistan

Systems Limited is hiring for a Senior Network Security Engineer. The individual will be responsible for the administration, monitoring, optimization, and support of the Bank's IT security infrastructure and services. The role ensures the availability and effectiveness of security controls, manages security operations, supports business security requirements, and drives compliance with security policies and regulatory standards.

Key Responsibilities

• Administer, maintain, and optimize enterprise security infrastructure and services.
• Ensure maximum uptime and performance of security controls while meeting ITSM SLAs.
• Proactively monitor firewalls, IPS, WAF, and other critical security systems to identify threats and ensure service availability.
• Manage security incidents, perform root cause analysis, and implement corrective actions.
• Execute security projects, technology deployments, upgrades, and infrastructure enhancements.
• Support secure network, platform, and device migrations.
• Develop and maintain technical documentation, operational procedures, and security standards.
• Ensure compliance with organizational security policies, audit requirements, and regulatory standards.
• Support change management processes and security service requests.
• Collaborate with internal stakeholders to enable secure business operations.

Technologies & Platforms

• Check Point Firewalls
• Palo Alto Firewalls
• Cisco IPS
• AlgoSec Firewall Assurance Suite
• IBM Guardium DAM
• Forcepoint Web & Email Security
• FireEye NX / EX
• Zscaler Proxy
• Azure Cloud Security
• Tripwire FIM
• Arbor & Radware DDoS Protection
• F5 WAF, LTM & Load Balancers
• Cisco Networking Solutions
• Imprivata SSO & Multi-Factor Authentication
• Microsoft EOP Email Security

Required Skills & Experience

• 10+ years of experience in Information Security Operations and Network Security.
• Strong expertise in firewall administration, threat prevention, web security, and access control technologies.
• Hands-on experience with security monitoring, incident response, and problem management.
• Experience in implementing and managing enterprise security solutions across on-premises and cloud environments.
• Knowledge of Business Continuity, Disaster Recovery, and Security Governance practices.
• Familiarity with audit, risk management, and regulatory compliance requirements.
• Strong troubleshooting, analytical, and technical documentation skills.
• Experience managing security implementation and infrastructure projects.