Network Administrator at CapitalSage Technology Limited

About the job

• A skilled and proactive Network Administrator to design, implement, maintain, and support our growing network infrastructure across multiple business locations. The ideal candidate will have strong experience in enterprise networking, security, and troubleshooting, and will play a critical role in ensuring high availability, performance, and security of all network systems. 

Key Responsibilities

Network Administration 

• Experience with routing protocols such as OSPF, BGP, and EIGRP 
• Hands-on experience with firewalls and security appliances (e.g., Sophos, Cisco, Fortinet) 
• Relevant certifications such as CCNA, CCNP, or equivalent preferred 
• Design, deploy, and manage LAN, WAN, and wireless network infrastructure across all company locations 
• Configure and maintain network devices including routers, switches, firewalls, and VPNs 
• Monitor network performance and ensure system availability and reliability 
• Implement network security measures including firewalls, intrusion detection/prevention systems, and access controls 
• Troubleshoot complex network issues and provide timely resolution 
• Plan and execute network upgrades, expansions, and optimizations 
• Manage ISP links, redundancy (failover/load balancing), and bandwidth utilization 
• Maintain network documentation, diagrams, and configuration backups 
• Knowledge of cloud networking and ability to collaborate with IT teams to support cloud (Azure, AWS, GCP) and hybrid network environments 
• Ensure compliance with security policies, standards, and best practices 
• Provide technical support and guidance to junior IT staff 

General IT Operations 

• Document IT procedures, network diagrams, and system configurations 
• Coordinate with vendors and service providers for infrastructure support 
• Assist in IT project implementations and technology upgrades 
• Ensure compliance with IT policies, security standards, and best practices 

Requirements

• Minimum 5 years of hands-on experience 
• Certifications (Preferred)
• CompTIA A+, Network+, Security+; Microsoft Certified Solutions Associate (MCSA); Cisco CCNA; or equivalent industry certifications 

Soft Skills 

• Strong analytical and problem-solving abilities 
• Excellent communication skills for technical and non-technical stakeholders 
• Ability to work independently and manage multiple priorities 
• Commitment to security best practices and compliance standards 
• Continuous learning mindset to keep pace with Microsoft ecosystem updates