Senior Network Security Engineer: Threat Prevention & Response

iSystems Ltd; Sindh; On-site; PKR 4,200,000 - 7,200,000; Full time

Job summary

Systems Limited is seeking a Senior Network Security Engineer to administer, monitor, and optimize the bank's security infrastructure and services. You will ensure security controls are effective, manage security operations, and drive regulatory compliance across on-premises and cloud environments.

The role requires 10+ years in information security, hands-on firewall and threat prevention expertise, strong incident response skills, and the ability to work with cross-functional teams to enable

Qualifications

• 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.

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.

Skills

Firewall administration

Threat prevention

Web security

Access control technologies

Security monitoring

Incident response

Problem management

Cloud security

Business continuity

Disaster recovery

Security governance

Audit & compliance

Technical documentation

Tools

Check Point Firewalls

Palo Alto Firewalls

Cisco IPS

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 & MFA

Microsoft EOP Email Security

Job description

Systems Limited is seeking a Senior Network Security Engineer to administer, monitor, and optimize the bank's security infrastructure and services. You will ensure security controls are effective, manage security operations, and drive regulatory compliance across on-premises and cloud environments.

The role requires 10+ years in information security, hands-on firewall and threat prevention expertise, strong incident response skills, and the ability to work with cross-functional teams to enable