Network Security And Server Administrator

  •  UpperLink Limited
  •  Lagos, Nigeria
  •  Undisclosed

Job Description

About UpperLink Limited

Upperlink is a technology firm with capacity for delivering cutting-edge quality solutions for industry verticals. We build Enterprise solutions delivered through various channels like mobile (USSD, STK, Mobile App, SMS, IVR), web and unconventional methods.


  • Create written reports, detailing assessment findings and recommendations
  • Conduct vulnerability assessments on a wide variety of technologies and implementations utilizing both automated tools and manual techniques
  • Ensure Secure Network Uptime


Network Security:

  • Application penetration tests (web and thick client)
  • VPN setup and configuration
  • Firewall setup and configuration
  • Effectively communicate successes and obstacles with fellow team members and team lead(s)
  • Develop subject matter expertise in topics to include: network, database, wireless and application security assessments, and adversarial network operations
  • Research and analyze known hacker methodology, system exploits, and vulnerabilities to support methodology development and execution
  • Utilize common vulnerability assessment and penetration testing tools

Server Administration:

  • Virtualize and Consolidate Standalone Servers
  • Ensure availability and performance compliance to SLAs (Service Level Agreements) and OLAs (Operational Level Agreements)
  • Develop server build images and processes including automatic deployment technologies
  • Install Server based applications
  • Install and configure new hardware and software
  • Monitor server logs and health alarms
  • Monthly preventive maintenance on workstations, servers, routers, switches, firewall, applications
  • Perform maintenance tasks such as patch levels, firmware upgrades and backups
  • Oversee physical security, console access and out of band management access
  • Monitor, investigate and report breaches in performance
  • Monitor capacity - disk, RAM and processor
  • Identify, troubleshoot and resolve hardware and software problems
  • Work cooperatively with applications teams to install applications or upgrade existing applications


  • 2 or more years of experience in the IT industry (System Administration or Network Security)
  • Demonstrable technical experience with Web Application Penetration Testing
  • Demonstrable technical experience with assessment and exploitation tools including Metasploit Pro and Burp Suite Pro
  • Experience/understanding of networking - port numbers, services, protocols, TCP - IP stack, OSI - Model
  • Experience/understanding of OWASP
  • Working knowledge of Web Services
  • Preparation of monthly maintenance report and recommendations.
  • Access control reviews
  • N+ or CCNA Certification (Added Advantage)

  • networking
  • ccna
  • web services
  • owasp
  • system administration
  • network security
  • security
  • server administrator
  • N+

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