Senior Administrator, IT Security
2 weeks ago
The senior administrator is ultimately responsible for managing the use of wide area networks (WANs), local area networks (LANs), and organization-specific networks. The senior administrator also takes a high-level overview of information technology needs while managing teams that maintain computer networks, monitor network availability, and collect data to enhance security and reliability.
Key Responsibilities Include:
1. Network Design and Implementation:
- Design, deploy, and manage Cisco-based network solutions, including routers, switches, wireless controllers, and firewalls.
- Implement Palo Alto Networks firewalls, ensuring proper configuration of security policies, VPNs, and threat prevention features.
- Develop and maintain network architecture diagrams, documentation, and configurations.
2. Network Security:
- Configure and manage network security devices, with a focus on Palo Alto Networks' (SASE) Global Protect Cortex (XDR).
- Implement and manage intrusion detection and prevention systems (IDS/IPS), VPNs, and other security measures.
- Monitor and analyze network traffic to detect and respond to security incidents.
- Ensure compliance with security standards and policies, including regular audits and vulnerability assessments.
3. Network Management and Monitoring:
- Oversee the daily operations of the network infrastructure, ensuring optimal performance and availability.
- Utilize network monitoring tools to proactively identify and resolve issues before they impact business operations.
- Manage and troubleshoot network connectivity issues, escalating as needed to resolve complex problems.
- Perform regular network maintenance tasks, including firmware updates, patch management, and hardware upgrades.
4. Capacity Planning and Performance Optimization:
- Conduct regular performance assessments to identify areas for improvement and optimize network resources.
- Plan and execute network expansion projects to accommodate organizational growth and changing business needs.
- Collaborate with vendors and service providers to ensure the network meets current and future requirements.
Required Qualifications/ Skills:
- Associate Degree or equivalent experience with certifications in the related field.
- 3 years of relevant work experience
- Security+
- Network+
- CCNA CCNP
- PaloAlto Networks
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