Senior Network Administrator

Job Overview:

As a Senior Network Administrator, you will be responsible for the design, implementation, maintenance, and security of an organization's network infrastructure. You will play a crucial role in ensuring the stability, performance, and availability of the network to support business operations. This position typically requires a high level of expertise and experience in network administration.

Key Responsibilities:

1. Network Design and Implementation: Design, configure, and implement network infrastructure, including routers, switches, firewalls, and wireless systems, to meet the organization's requirements.

2. Network Maintenance: Perform routine maintenance, updates, and upgrades to ensure network reliability and performance. Troubleshoot and resolve network issues promptly.

3. Security: Implement and maintain network security measures, including firewalls, intrusion detection systems, and access controls, to protect the organization's data and resources.

4. Monitoring and Optimization: Continuously monitor network performance and optimize network resources to ensure efficient data transmission and minimal downtime.

5. Network Documentation: Maintain accurate documentation of network configurations, policies, and procedures. Create diagrams and network maps for reference.

6. Capacity Planning: Assess current network capacity and plan for future growth, making recommendations for hardware and software upgrades as needed.

7. Vendor Management: Interact with network equipment vendors and service providers to procure hardware, software, and services and ensure vendor support agreements are upheld.

8. Network Policies and Procedures: Develop and enforce network policies, procedures, and best practices to ensure compliance and security.

9. Team Collaboration: Collaborate with IT teams, including system administrators, security analysts, and helpdesk staff, to resolve cross-functional issues and ensure a seamless IT environment.

10. Disaster Recovery: Develop and maintain network backup and disaster recovery plans to minimize data loss and downtime in case of network failures.

11. Training and Mentoring: Provide guidance and mentorship to junior Network Administrators and support staff, sharing your expertise and best practices.

Qualifications:

- Bachelor's degree in Information Technology, Computer Science, or a related field (or equivalent experience).
- Five years of experience in network administration, with a proven track record of managing complex network environments.
- Industry certifications such as Cisco Certified Network Professional (CCNP), CompTIA Network+, or Certified Information Systems Security Professional (CISSP) may be preferred or required.
- Proficiency in network protocols, routing, switching, VPNs, and network security.
- Strong analytical and problem-solving skills.
- Excellent communication and teamwork skills.
- Familiarity with network monitoring and management tools.
- Knowledge of cloud networking and virtualization technologies is a plus