Network Security Manager

The
Network Security Manager
is responsible for the day-to-day management, operational stability, and continuous improvement of the organization's network security infrastructure. This role involves leading a team of network security engineers, managing the deployment and maintenance of security tools, and responding to security incidents. The ideal candidate will possess a strong technical background in network security, proven leadership skills, and the ability to effectively manage security projects and operations in a fast-paced environment.

Key Responsibilities

1. Team Leadership & Operations Management:

• Lead, mentor, and manage a team of network security engineers, overseeing their daily tasks, performance, and professional development.
• Manage the operational lifecycle of network security systems, including firewalls, Intrusion Prevention Systems (IPS), VPNs, web filters, and other network security appliances.
• Develop and maintain operational procedures, runbooks, and documentation for the network security team.
• Oversee the 24/7 monitoring of network security alerts and manage the team's on-call rotation for incident response.

2. Technical Implementation & Infrastructure Management:

• Oversee the configuration, deployment, and maintenance of the network security stack, ensuring high availability and optimal performance.
• Lead network security projects, such as technology refreshes, new site deployments, and the implementation of new security controls like Zero Trust Network Access (ZTNA).
• Perform regular reviews and audits of firewall rules, access control lists, and network segmentation to ensure compliance with security policies.
• Collaborate with the IT infrastructure team to ensure security is embedded in all network architecture and designs.

3. Incident Response & Threat Management:

• Act as the primary escalation point for network security incidents.
• Lead the technical response to network-based threats, including investigation, containment, eradication, and recovery.
• Analyze network traffic and security logs to identify suspicious activity and potential threats.
• Work with the broader cybersecurity team to conduct post-incident analysis and implement corrective actions.

4. Policy & Compliance:

• Ensure that all network security infrastructure and configurations comply with internal policies, standards, and regulatory requirements (e.g., ISO 27001, PCI DSS).
• Generate regular reports on the health of network security systems, incident trends, and the team's operational metrics for senior management.
• Assist in internal and external audits by providing evidence of network security controls and processes.

Preferred Qualifications

• Professional certifications such as
  CISSP
  ,
  CISM
  ,
  PCNSE
  ,
  CCNP Security
  , or
  GIAC
  certifications (e.g., GSEC, GCIA).
• Experience with cloud networking and security in
  AWS
  ,
  Azure
  , or
  GCP
  .
• Familiarity with scripting languages (e.g., Python, PowerShell) for automation.
• Experience in a 24/7 Security Operations Center (SOC) environment.

Required Qualifications & Experience

• Experience:
  A minimum of
  years
  of experience in IT, with at least
  4-6 years
  in a supervisory or management role focused on network security.
• Education:
  Bachelor's degree in Information Technology, Computer Science, or a related field.
• Technical Expertise:
• Strong, hands-on experience with enterprise-grade firewalls (e.g., Fortinet, Checkpoint, Cisco).
• In-depth knowledge of networking protocols (TCP/IP, BGP, OSPF) and network architecture.
• Proficiency with security technologies such as IDS/IPS, VPN, NAC, web proxies, and load balancers.
• Experience with network monitoring and SIEM tools (e.g., Crowdstrike).
• Leadership:
  Demonstrated experience leading and developing a technical team.
• Problem-Solving:
  Strong analytical and problem-solving skills, with the ability to perform effectively under pressure.