Network Administrator

Work Setup and Location: On-Site, Arayat st., Mandaluyong, Metro Manila

Work Schedule: Morning or Mid-Shift, Monday-Friday (8-hour shift only)

Experience Level: 3-5 years

No. of employees required: 6

About the Role:

We are seeking an experienced Network Administrator to join our IT infrastructure team. As a Network Administrator, you will be responsible for managing and optimizing our network systems and infrastructure. You will play a key role in ensuring the stability, security, and performance of our network, including local area networks (LAN), wide area networks (WAN), and cloud networking. You will collaborate with cross-functional teams to deploy, manage, and troubleshoot networking hardware, software, and services to support our business operations.

Key Responsibilities:Network Infrastructure Management

• Install, configure, and maintain network equipment, including routers, switches, firewalls, and wireless access points.
• Manage and maintain network connectivity, ensuring high availability and performance of the LAN/WAN.
• Monitor and optimize network performance, troubleshooting and resolving issues related to network outages, latency, and connectivity.
• Implement and maintain network protocols (e.g., TCP/IP, DNS, DHCP, VPN, VLAN).
• Configure and manage network segmentation, routing, and network address translation (NAT).

Network Security Management

• Implement and maintain network security measures to protect against unauthorized access, threats, and vulnerabilities.
• Configure and manage firewalls, VPNs, intrusion detection systems (IDS), and intrusion prevention systems (IPS).
• Monitor network traffic for potential security breaches and take corrective actions.
• Conduct regular security audits and implement security patches and updates for network systems.
• Manage user access controls, ensuring that network resources are secure and only authorized personnel have access.

Network Troubleshooting and Support

• Diagnose and resolve network-related issues, including connectivity problems, slow performance, and configuration issues.
• Respond to network incidents and outages, ensuring timely resolution and minimal impact to business operations.
• Provide technical support to internal teams, helping with network-related issues and queries.
• Perform root cause analysis for network problems and work to prevent recurrence.

Network Configuration and Monitoring

• Configure and manage network monitoring tools (e.g., SolarWinds, PRTG, Nagios) to track network performance and health.
• Monitor and analyze network traffic, bandwidth usage, and performance metrics to ensure efficient resource utilization.
• Maintain network diagrams and documentation of network architecture, configurations, and standards.
• Regularly test network components and services to ensure optimal performance.

Network Upgrades and Maintenance

• Plan and implement network upgrades, including hardware, software, and firmware updates.
• Schedule regular maintenance windows to apply patches, perform updates, and ensure system integrity.
• Collaborate with vendors and service providers to source, install, and upgrade network hardware and software as required.
• Maintain an up-to-date inventory of network hardware and software.

Backup and Disaster Recovery

• Develop and implement network backup strategies, ensuring the recovery of network configurations and critical data in case of failure.
• Participate in disaster recovery planning and execution for network infrastructure.
• Test backup and recovery procedures to ensure the availability and integrity of network data.

Documentation and Reporting

• Maintain accurate documentation of network systems, configurations, and changes.
• Document troubleshooting steps, incidents, and resolutions for future reference.
• Provide reports on network performance, security incidents, and system uptime.
• Create and update network policies and procedures, ensuring compliance with best practices and internal standards.

Collaboration and Support

• Collaborate with other IT teams (e.g., systems administrators, security teams, and cloud infrastructure teams) to ensure seamless integration of network systems.
• Provide training and guidance to junior team members and internal staff on network best practices and troubleshooting techniques.
• Assist with the deployment of network-related projects and initiatives, ensuring their successful implementation.

Continuous Improvement

• Stay up-to-date with the latest networking technologies, industry trends, and best practices.
• Evaluate and recommend new network technologies and solutions that could enhance performance or reduce costs.
• Participate in continuous improvement initiatives to enhance network efficiency, security, and reliability.

• Education: Bachelor’s degree in Computer Science, Information Technology, Networking, or a related field.
• Experience:
• 3-5 years of experience in network administration or a similar role.
• Hands-on experience with networking hardware, including routers, switches, firewalls, and load balancers.
• Proven experience with network protocols and technologies such as TCP/IP, DNS, DHCP, VLAN, VPN, MPLS, and IPSEC.
• Strong knowledge of network security practices and tools (e.g., firewalls, IDS/IPS, VPNs).
• Familiarity with cloud networking and hybrid cloud environments (e.g., AWS, Azure, Google Cloud).
• Technical Skills:
• Proficiency with network monitoring tools (e.g., SolarWinds, PRTG, Nagios).
• Experience with network configuration management and scripting tools (e.g., Ansible, Python).
• Knowledge of IP routing and switching protocols (e.g., OSPF, BGP, RIP).
• Experience with network security tools (e.g., firewalls, VPNs, IDS/IPS systems).
• Familiarity with SD-WAN and network virtualization technologies.
• Understanding of wireless networking standards (e.g., Wi-Fi, 802.11).
• Experience with network design, topology, and troubleshooting.
• Ability to work with network vendors and service providers.
• Soft Skills:
• Strong problem-solving and analytical skills.
• Excellent communication skills, both written and verbal.
• Ability to prioritize tasks and manage multiple projects simultaneously.
• Strong attention to detail, especially in network configuration and documentation.
• Ability to work in a fast-paced, dynamic environment.
• Good organizational and time-management skills.
• Certifications (preferred):
• Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP).
• CompTIA Network+ or Security+.
• Certified Information Systems Security Professional (CISSP) or Certified Information Security Manager (CISM).
• Juniper Networks Certified Internet Specialist (JNCIS) or similar network certifications.
• ITIL Foundation or similar IT management certifications