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  • Posted: Jan 18, 2024
    Deadline: Not specified
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  • For 15 years we have been building and managing telecommunications towers that are the essential backbone of mobile telecommunications in Africa - the leapfrog technology driving economic development, prosperity and self-sufficiency across the continent. Right now, IHS is leading a new telecoms service sector driven by the growth of middle class business an...
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    Manager, IT Networks

    Job Description

    IT Network Administration

    • Deploy LAN/WAN internet and any related infrastructure related services, device equipment’s and projects.
    • Management of all IT equipment’s in data centres and technical rooms
    • Backups for all equipment’s and other Network services
    • Ensuring all Service Requests are resolved and completed timely from Service Desk as per Operational Guidelines
    • Management of the Network Voice Infrastructure IHS Wide
    • Effective Monitoring up to 99.99% uptime Availability.
    • Ensure the health and security of the network
    • Ensure compliance of IP and VLAN distribution
    • Security system such as Firewalling, VPN configurations and management
    • Ensure Compliance with IT Security Policies and Baselines
    • Network standardized designs for the IHS Wide Network
    • Infrastructure strategy and transformation initiatives

    IT Security Support

    • Definition and implementation of proper and adequate levels of IT security across the organization, as per Operating Guidelines
    • Enforcement and maintenance of the Information Security Policy according to Networks Security Operational Guidelines
    • Implement security related projects to assure a zero-security risk environment
    • Elaboration of fall back and emergency procedures, as per Operating Guidelines
    • Adhered Governance, Risks and compliance procedures

    Network and Security Monitoring

    • Network equipment performance analysis to pro-actively prevent service interruptions
    • Production of internal Network and Security performance dashboards and reports
    • Security research and risk analysis to pro-actively ‘kill threats’
    • Issuing security alerts when required and implementing necessary shutdowns, rollbacks and workarounds
    • Initiate Problem and Change management, and Post-implementation reports
    • Network Security implementation
    • Infrastructure security prevention. Deny reachability access to unauthorized users
    • Escalation of serious security threats or breeches to Infrastructure Management and Service Quality Assurance

    Cloud Network

    • Network Architecture
    • Security - Azure Firewalling
    • Software Defined Networks
    • Secured Access Service Edge
    • Zero Trust Security
    • Express route services
    • BIG-IP
    • Azure, Huawei, AWS Cloud platforms etc.

    Qualifications

    Functional

    • ITIL Savvy
    • Network services integration and management
    • Network Strategy and Design
    • Network Security expertise
    • Administrative experience (Routing, switching, collaboration and security)
    • Solution provider and new initiatives
    • Project Management

    Behavioral

    • Effective communication skills.
    • Leadership development
    • People management and coaching
    • Accountability
    • Teamwork
    • Analytical thinking
    • Planning and optimizing
    • Solution and result-driven.

    Requirement

    • 10 Years minimum experience in Network Operations/Infrastructure Administration
    • 3 – 4 years minimum leadership experience
    • Bachelor’s Degree/ Diploma or higher in Computer Science/ Computer Engineering / Information Technology
    • ITIL certification
    • CISCO-certified Network, Collaboration, Security, Data Center or other equivalent networking qualification preferably
    • Network security qualification is recommended.
    • Microsoft Cloud certification is recommended.
    • LAN and WAN administration for Products not limited to Cisco, Sophos, Fortinet; Aruba, HPE, F5, Cloud Networks – Azure, AWS etcetera.
    • At least 3 – 4 years leadership experience

    go to method of application »

    Senior Specialist, Risk & Security Monitoring

    Job Description

    • Ensure intelligent reporting and fine-tuning of file integrity monitor, Network Access Control (NAC), firewall and Security Operations Centre (SOC) rules.  
    • Create scenario-based risk intelligent rules. 
    • Ensure that sufficient trails are maintained, retained and retrievable for forensic analysis and investigation. 
    • Implement logging policies across different layers of systems and across enterprise platforms. 
    • Create intelligent alerting based on risk scenarios. 
    • Implement and manage log retention policy across multiple platform and systems. 
    • Review logs/ alerts (closed-opened) and reports of all in-place security and infrastructural devices. 
    • Direct scheduling and ad-hoc security and compliance reporting. 
    • Monitor team members for alerts tracking.   
    • Network with other internal organizations to ensure coordination of compliance efforts. 
    • Participate in the creation of enterprise security policies, standards, and baselines. 
    • Provide support for the monitoring team as well as security incident and events management solution logging requirements and integration. 
    • Keep abreast of new/revised or improved security solutions, processes and development of new threats and attack vectors. 
    • Keep abreast of SOC regulatory standards. 
    • Participate in the deployment of tested security patches and updates. 
    • Conduct security tool selection, pilot and implementation. 
    • Maintain SOC awareness program. 
    • Communicate SOC action plans and security bulletins. 
    • Identify, investigate and resolve security breaches detected by installed security solutions. 
    • Make suggestions to implement projects that increase security and ensure the highest quality of service 
    • Perform other functions as assigned by the Senior Manager, IT Security Operations.

    Qualifications

    Functional: 

    • IT Operations 
    • Incident Management 
    • Security Assessments 
    • Security Monitoring & Reporting 
    • Vulnerability Lifecycle Management 
    • Continuity & Disaster Recovery 
    • Business Communication 
    • Security Solutions Deployment  

    Behavioral: 

    • Collaboration & Teamwork 
    • Be Bold 
    • Customer Focus 
    • Innovation 
    • Integrity 

    Qualification

    • Bachelor’s and/or Advanced degree in Computer Science or any related disciplines. 
    • +7 years’ relevant experience in IS, with at least 4 years in security monitoring and solutions deployment. 
    • Hands-on experience in security systems, including firewalls, intrusion detection systems, anti-virus software, authentication systems, log management, content filtering, etc. 
    • Demonstrable experience with network security and networking technologies as well with systems, security, and network monitoring tools. 
    • Demonstrable familiarity with web-related technologies (web applications, web services, service-oriented architectures), and network/ web-related protocols. 
    • Thorough understanding of the latest security principles, techniques, and protocols 
    • Problem solving skills and ability to work under pressure. 

    go to method of application »

    Specialist, Technical Security

    Job Description

    • Ensure all required security equipment (e.g. CCTV systems, access control, ID card printers, turnstiles, intrusion detection, guard tour system, etc) is in good working condition. 
    • Support and monitor all technical equipment to meet the function’s current and future requirements. 
    • Maintain a good working knowledge of current security infrastructure and advise/ propose on new ones. 
    • Maintain good working relationships with service providers and vendors to ensure that services are delivered in line with contractual obligations/ standards. 
    • Maintain a comprehensive inventory of security assets. 
    • Provide support in scheduling security upgrades and backups of security hardware and software systems. 
    • Supervise scheduled preventive maintenance of systems. 
    • Liaise with vendors on periodical maintenance of security equipment across headquarters and regional offices. 
    • Serve as interface between the Security team and other key internal stakeholders, e.g. IT and Facility Management. 
    • Perform periodic checks on security equipment across regional officers. 
    • Conduct reviews and investigations using existing technical devices. 
    • Perform other tasks and duties as assigned by the Senior Specialist, Technical & Response. 

    Qualifications

    • Bachelor’s degree. 
    • +7 years’ relevant experience with demonstrable knowledge and application of security devices and performance. 

    Method of Application

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