JOB DESCRIPTION

Reporting to the Team Lead Infrastructure Operations & Security Remediations, the position holder will be responsible for Systems Administration, security patch and vulnerability management of Safaricom Windows/Linux/UNIX based servers. Other tasks to include AD, DNS, DHCP, ADFS, Microsoft Entra ID and Exchange systems administration; servers, storage and SAN support; systems integration, backups, system monitoring, performance tuning, troubleshooting, skills transfer and customer management.  Configuration management and documentation. 

RESPONSIBILITIES

Incidents and problem resolution

• Working in an agile environment and utilizing relevant tools such as Jira & Confluence.


• Private and Public Cloud Compliance management and implementation for servers based on Windows, Linux and UNIX Operating Systems.


• AD, DNS, DHCP, ADFS, Microsoft Entra ID, Exchange, Email Archiving and Windows Servers Administration.


• Patch and vulnerability management and implementation for servers based on Windows, Linux and UNIX Operating Systems.


• Administering, configuring and troubleshooting servers based on UNIX/Linux and Virtualization. This includes response, problem resolution and escalation of server issues.

Service Excellence

• Analysis of server/storage hardware and operating system software. This includes implementation of tactical service improvements, upgrades and system patching.

Systems Maintenance and SLA Support

• Liaise with users, hardware and software vendors and internal systems owners to fine tune systems hardware and software for all systems.

Backup and Recovery

• Operations of backup tools and testing of disk and data recovery.


• Provide solutions on all business systems. Prompt restoration of lost data for the business.


• Backup, hardware and software assurance.

Projects Implementation and Reporting

• Technical support for assigned company initiatives and projects. Participation in feasibility studies and testing for new IT infrastructure components.


• Maintenance of systems documentation and procedures.

QUALIFICATIONS

• University Degree in Computer Science or Related Field. 


• 5+ years’ experience in infrastructure support and/or planning in an environment with mixed VMware and Redhat virtualization.


• 5+ Years’ Experience as Systems administrator, Network administrator or analyst in a multifaceted business environment with integrated/mixed Windows, UNIX/Linux server environment. High Level System Administration – understanding OS Performance, highly complex systems providing service for the corporate user community and the GSM. 


• Excellent knowledge on Active Directory, DNS, ADFS, Microsoft Entra ID, Exchange, Email Archiving and Windows Server Administration.


• Experience in patch and vulnerability management


• Knowledge of vulnerability scoring systems (CVSS, CVE) and the different standards/frameworks for cyber security e.g. NIST, CIS, owasp


• Knowledge in threat modeling and different ways of remediating/eliminating vulnerabilities.


• Basic principles of information security (CIA triad, AAA, DiD)


• System Administration Techniques – understanding OS Performance, Microsoft and UNIX/Linux enterprise hardware and storage.


• Security Administration Techniques - Ways of identifying vulnerabilities in a system (dynamic scans, static scans and penetration testing), 


• Attention to details and analytical thinking


• Strong oral, written, interpersonal communication and leadership skills

Certification in any of the following Systems and Network or related trainings is an added advantage

• Scripting 


• Cloud Technology Associate


• Cloud Administrator 


• Cloud Developer


• Cloud Security & Governance 


• Cloud Service Manager 


• Certified in Cloud Infrastructure and Services Associate (EMCCIS)


• Cloud Architect, 


• Virtualized Infrastructure Specialist 


• Network certification e.g. CCNA, CCNP 


• UNIX/Linux certification e.g. VCP