[Company Name] focuses on driving powerful innovations in the HR Tech industry. We rely on secure network infrastructure to power our operations. Seamless communication, data flow, and system functionality are at the core of our business.
That’s where the Network Administrator comes in.
The ideal Network Administrator will be a professional to govern a reliable network for our business that optimizes system performance, supports business scalability, and follows cybersecurity best practices. All in all, they contribute to the organization being efficient and resilient.
About the role
The Network Administrator ensures that all networks are running smoothly and efficiently internally and for our customers, vendors, and other external entities. They will troubleshoot issues, perform regular maintenance, induce backups, execute security measures, provide tech support, and work with the IT department for setup and configuration.
The Network Administrator will be liable for the company’s network infrastructure and held accountable for breaches and any security issues along with the IT team.
Job brief
As a Network Administrator in [Company Name], you shall manage the security, performance, and reliability of our network infrastructure. You will configure and maintain routers, switches, firewalls, and VPNs for low latency and high availability. Your role includes proactive monitoring, troubleshooting connectivity issues, and implementing failover strategies to minimize downtime.
You will oversee both on-premise and cloud-based networks, optimizing bandwidth, configuring QoS, and managing network segmentation. Expertise in TCP/IP, DNS, and DHCP will be essential for maintaining seamless operations. You will also document network architecture, automate routine tasks, and provide technical support.
Roles and responsibilities
The Network Administrator at [Company Name] will have the following duties:
- Monitor network performance, availability, and security to ensure optimal functionality.
- Troubleshoot and resolve network connectivity issues across LAN, WAN, and wireless networks.
- Respond to and manage incoming support tickets, escalating issues as necessary.
- Manage firewall configurations, security profiles, IPsec VPNs, and intrusion prevention measures.
- Configure, maintain and troubleshoot routers, switches, and firewalls (Cisco, SonicWall, Juniper SRX, Palo Alto).
- Provide technical support to internal teams and external clients via email, chat, and phone in a 24/7 environment.
- Ensure compliance with SLAs by addressing incidents and outages promptly.
- Conduct network audits and apply necessary patches, updates, and firmware upgrades.
- Maintain and optimize network monitoring tools to proactively detect and address performance bottlenecks.
- Implement and refine security measures, including access controls and endpoint protection.
- Analyze and troubleshoot network logs to detect potential threats and performance issues.
- Configure and manage wireless networks, particularly with Aruba Wireless products.
- Document network changes, update network diagrams (HLD/LLD), and maintain accurate system records.
- Design, implement, and scale network infrastructure to support business growth and operational needs.
- Assist in evaluating and integrating new networking technologies, protocols, and hardware.
- Research and recommend network improvements, including upgrades to LAN, WAN, MPLS, and cloud networks.
- Train employees on network best practices, security policies, and safe data handling procedures.
- Participate in vendor negotiations and manage contracts related to networking services.
- Support video conferencing systems and provide training for staff on usage and security.
- Assist with disaster recovery planning, including data backup and network failover strategies.
Key requirements
As a candidate for the Network Administrator role, you must fulfill the following skill and qualification requirements:
- Bachelor’s degree in IT, Computer Science, or a related field (Master’s degree preferred).
- Minimum CCNP certification or equivalent knowledge in networking.
- Any graduation or B.E. degree with relevant technical experience.
- 5+ years of hands-on technical experience in network administration, troubleshooting, switching, and routing.
- Strong understanding of computer network infrastructure, LAN, and WAN administration.
- Experience with network security, firewall management, and VPN implementations.
- Proven ability to implement, administer, and troubleshoot network infrastructure devices such as routers, switches, and firewalls.
- In-depth knowledge of network infrastructure protocols (TCP/IP, DNS, DHCP, BGP, MPLS, VLANs, and QoS).
- Experience with network monitoring tools and performance optimization.
- Ability to analyze network issues, visualize solutions, and resolve problems efficiently.
- Hands-on experience with common industry frameworks and troubleshooting methodologies.
- Ability to create network diagrams and documentation for design and planning.
- Ability to work with all levels of IT staff and external vendors.
- Effective problem-solving skills, adaptability, and a strong safety record in network operations.
Good-to-have skills & experience
- Experience with BGP, software-defined networking (SDN) using Cisco ACI, and NSX.
- Hands-on experience with Checkpoint/Cisco Firepower firewalls and F5 load balancers.
- Experience with software automation for network configuration and management.
- Strong background in large-scale network management and enterprise-level troubleshooting.
- Any other relevant certifications around network administration, like Cisco Certified Network Associate (CCNA), Microsoft Certified: Azure Administrator Associate, and CompTIA Security+.
A Network Administrator is an IT professional responsible for managing and maintaining an organization’s computer networks. They ensure that all network systems, including local area networks (LANs), wide area networks (WANs), and cloud-based connections, run smoothly and securely. Their primary role is to keep data flowing efficiently between users, applications, and external systems.
A Network Administrator sets up, configures, and troubleshoots network hardware such as routers, switches, and firewalls. They monitor network performance, fix connectivity issues, and implement security measures to prevent cyber threats. Additionally, they support employees by resolving network-related problems.
A network administrator is responsible for maintaining network reliability and security. Their daily tasks include monitoring network traffic, managing firewalls, setting up VPNs, and troubleshooting connection issues. They also update network hardware, apply security patches, and ensure compliance with IT policies.
Network administrators need a strong understanding of networking concepts like TCP/IP, DNS, DHCP, and VPNs. They should have experience with routers, switches, firewalls, and cloud networking. Security knowledge, such as firewall management and threat prevention, is essential. Problem-solving skills, the ability to work under pressure, and good communication skills are also important.
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