Manager/Sr Manager Network Security

Key Responsibilities

1. Network Security Architecture & Strategy

• Design and maintain secure network architectures across LAN, WAN, VPN, SD-WAN, and cloud environments.
• Define and enforce network segmentation, firewall policies, and secure remote access strategies.
• Evaluate and recommend new security tools, solutions, or upgrades to mitigate emerging threats.

2. Firewall & Perimeter Security Management

• Manage and configure enterprise firewalls (e.g., Palo Alto, Fortinet, Cisco ASA, Check Point).
• Oversee intrusion detection/prevention systems (IDS/IPS) and DDoS protection systems.
• Maintain Web Application Firewalls (WAFs), load balancers, and proxy servers.

3. Monitoring, Incident Response & Threat Management

• Lead real-time monitoring of network traffic using SIEM tools (e.g., Splunk, QRadar, Sentinel).
• Manage incident response for network-based threats including malware outbreaks, data breaches, and DoS attacks.
• Coordinate root cause analysis and remediation efforts for security incidents.

4. Compliance & Policy Enforcement

• Ensure compliance with relevant standards: ISO 27001, NIST, PCI-DSS, HIPAA, GDPR, etc.
• Conduct periodic network security assessments, audits, and penetration tests.
• Develop, update, and enforce security policies, procedures, and best practices.

5. Team Management & Stakeholder Communication

• Lead and mentor a team of network and security engineers.
• Liaise with IT, DevOps, compliance, and business units to align security controls with business needs.
• Create reports and dashboards for senior leadership, highlighting risks, incidents, and mitigation actions.

6. Cloud & Hybrid Environment Security

• Secure hybrid cloud environments (AWS, Azure, GCP) including VPCs, security groups, transit gateways, etc.
• Monitor interconnectivity between on-premise and cloud infrastructure using encrypted channels and access controls.
• Implement zero-trust models and SASE frameworks where applicable.

Qualifications

Essential:

• Bachelor's Degree in Computer Science, IT, Cybersecurity, or related field
• 812+ years of experience in IT/network security with at least 35 years in a leadership role

Desirable:

• Certifications: CISSP, CISM, CCNP Security, Palo Alto PCNSE, Fortinet NSE, AWS/Azure Security
• Experience in SOC/NOC environments
• Project management exposure (Agile, ITIL)

Technical Skills Required

• Advanced knowledge of firewalls, routers, switches, and intrusion detection systems
• Hands-on with SIEM, NAC, VPN, endpoint security, and MFA solutions
• Familiarity with scripting or automation (Python, PowerShell, Ansible) is a plus
• Deep understanding of TCP/IP, DNS, SSL, TLS, BGP, SNMP, etc.
• Exposure to Zero Trust, SASE, and cloud-native security tools