IT Network And Security Administrator – Mombasa at Bamburi Cement Ltd

ABOUT YOU

Highly skilled network and security professional with a solid foundation in LAN/WAN architectures, perimeter defense, endpoint protection, and infrastructure management. You take pride in your attention to detail, problem-solving capabilities, and ability to respond swiftly to security alerts and network issues. You’re comfortable working independently while also collaborating across departments and with service providers to ensure infrastructure resilience, cybersecurity compliance, and business continuity

YOUR RESPONSIBILITIES

• Ensure compliance with Health & Safety rules. This is an integral part of all job duties as is the company’s overarching value and is implemented in accordance with Group H&S guidelines
• Monitor availability, performance, and security metrics of LAN, SD-WAN, perimeter firewalls, VPNs, and endpoint protection systems, ensuring a 97% uptime target.
• Enforce KPIs for service providers based on SLAs related to reliability, response time, and infrastructure security.
• Lead incident response and root cause analysis for all network and security-related incidents, ensuring documentation and corrective actions are completed.
• Collaborate with external providers during cadence meetings to review service performance, outages, and improvements.
• Ensure high availability and redundancy for all critical infrastructure components, including clear, tested Business Continuity Plans (BCPs).
• Provide Level 2 and 3 technical support for network infrastructure, including firewalls (Meraki), endpoint protection (SentinelOne), Cisco ISE, and Webproxy (Netskope).
• Orchestrate change management activities through proper documentation and risk assessment within ITSM tools.
• Participate in architectural design and implementation of secure networks, ensuring compliance with industry standards and internal policies.
• Review firewall and proxy logs daily to identify threats and recommend mitigation measures.
• Develop dashboards and reports to track network performance, incident trends, and the organization’s overall cybersecurity posture.
• Document network topologies, standard configurations, and process runbooks for all sites.
• Mentor junior network/security administrators and interns, providing guidance and technical oversight.
• Respond to SIEM alerts promptly and apply fixes in coordination with the change advisory board (CAB)
• Evaluate requests for exemptions to web access rules, reviewing risk and business justification before approval.

YOUR QUALIFICATIONS, EXPERIENCE & SKILLS

Level of education

• Degree in Information Technology, Computer Science, or a related discipline.
• Certifications in Cisco Networking (CCNA/CCNP), Cybersecurity, or Unified Communications are highly desirable. Degree in Information Technology, Computer Science, or a related discipline.

Technical Competencies

• Minimum 5 years’ experience in IT infrastructure, network security administration, and systems support.
• Proven knowledge and hands-on experience in:
  • LAN/WAN, SD-WAN, Meraki firewalls, and VPN technologies.
  • Endpoint security tools (e.g., SentinelOne), SIEM systems, and proxy services (e.g., Netskope).
  • Cisco ISE for identity-based access control and AAA services.
  • Windows Server, Linux, VMware, WSUS, and Oracle RDBMS.
• Familiarity with infrastructure automation, backup, and provisioning tools.
• Working knowledge of ITIL, ITSM, and Agile frameworks.
• Basic programming or scripting experience is an added advantage.

Management & Soft Skills

• Strong analytical and troubleshooting abilities for complex network and security issues.
• Excellent communication, documentation, and stakeholder engagement skills.
• Proven experience managing vendors, projects, and enforcing security policies.
• Detail-oriented, proactive, and able to work effectively under pressure.
• Leadership skills with a focus on mentoring and team collaboration. Strong analytical and troubleshooting skills.