Senior IT Network Administrator

Job Description

Job Title: Senior IT Network Administrator

Location/Country: Lusaka, Zambia

Job Grade: IHM6

Department/Unit:  IT services and Infrastructure Management

Reporting: IT Services and Infrastructure Manager

Date posted: 4/10/2023

Due Date: 9/10/2023


As a Senior IT Network Administrator, you will be responsible for designing, implementing, managing, and maintaining the organization’s computer networks. The role plays a critical role in shaping the organization’s network strategy and ensuring that the network infrastructure is secure, efficient, and reliable

Major Duties and Responsibilities

  • Network Setup and Configuration: Design, set up, and configure computer networks, ensuring optimal connectivity and performance.
  • Maintenance and Troubleshooting: Continuously maintain network hardware and software, promptly resolving any technical issues or disruptions.
  • Security Implementation: Implement and manage security measures like firewalls, encryption, and intrusion detection systems to safeguard against cyber threats.
  • User Support and Training: Provide technical support to end-users, assisting with network connections and ensuring they are equipped to use network resources effectively.
  • Performance Optimization: Monitor network performance, identifying and addressing
    any bottlenecks or areas for improvement to maintain optimal operations.
  • Backup and Recovery Management: Establish and manage data backup and recovery procedures to safeguard critical information in case of network failures or data loss.
  • Documentation and Updates: Maintain comprehensive network documentation, including configurations and inventory, and manage software updates and security patches.
  • Collaboration and Compliance: Work closely with other IT professionals, ensuring network compliance with industry-specific regulations and standards.
  • Leadership and Continuous Improvement: Provide leadership and guidance to the cybersecurity team, reporting to senior management, and continuously enhance security processes, technologies, and practices in response to evolving threats.
  • Capacity Planning and Vendor Management: Forecast network capacity needs and plan for network expansion as the organization grows and collaborates with network hardware and software vendors for procurement, support, and maintenance.
  • Perform any other associated duties as delegated from time to time by the supervisor.

Academic & Educational Qualification

  • Bachelor’s degree in computer science, Information Technology, or a related field.
  • A master’s degree or bachelor’s with relevant certifications such as Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP), CompTIA Network+, Certified Information Systems Security Professional (CISSP), or Certified Information Systems Auditor (CISA) is a plus.
  • Membership with relevant professional bodies such as ICTAZ etc.
  • Membership with relevant professional bodies such as ICTAZ, ISACA, etc.

Knowledge and Experience

  • Proven Network Administration Experience: A minimum of 5 years of hands-on experience in various network administration roles.
  • Virtualization: Experience with network virtualization technologies like VMware NSX or Cisco ACI.
  • Cloud Networking: Knowledge of cloud networking solutions and services, especially if the organization uses cloud platforms like AWS, Azure, or Google Cloud.
  • Network Infrastructure: In-depth knowledge of network architectures, protocols, and technologies, including LANs, WANs, VPNs, and SD-WAN.
  • Effective Communication Skills: Strong technical writing skills with the ability to communicate complex networking concepts effectively, including reporting to senior management and regulatory bodies.

Skills and Competencies

  • Network Security: Proficiency in implementing and maintaining network security measures, including firewalls, intrusion detection systems (IDS), intrusion prevention systems (IPS), and access control lists (ACLs).
  • Routing and Switching: Strong understanding of routing protocols (e.g., BGP, OSPF) and switching technologies (e.g., VLANs, STP).
  • Network Monitoring: Familiarity with network monitoring and management tools (e.g., Nagios, SolarWinds, PRTG) to ensure network performance and availability.
  • Scripting and Automation: Proficiency in scripting languages (e.g., Python, Bash) and automation tools (e.g., Ansible, Puppet) to streamline network management tasks.
  • Troubleshooting: Strong problem-solving skills and the ability to diagnose and resolve network issues quickly.

Apply Now

Applicants are required to send a cover letter and CV with three references and full addresses and contact information to

Please note that you do not need to apply if you don’t meet the minimum requirements. Only candidates selected for an interview will be contacted. If you have not heard from us within 3 weeks after the closing date, kindly assume that your application was not successful.

Closing Date: October 9, 2023

IHM Southern Africa is committed to fostering a diverse and inclusive work environment. We are an equal-opportunity employer and make all employment decisions based on merit, qualifications, and abilities, without regard to race, color, religion, gender, national origin, age, disability, or any other protected status. We celebrate the unique contributions of each individual and believe that diversity and inclusion are essential to our success as an organization.