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IT System Administrator – Lagos

Sigma Consulting Group · Lagos

New
Onsite Mid 250,000 - 350,000 NGN/month 🇬🇧 English
Windows operating systems Routers Switches Firewalls VPN Server management Microsoft 365 Cloud platforms Backup solutions Cybersecurity

Job description

About the role

We are looking for a proactive IT System Administrator to manage and maintain our organization’s IT infrastructure, ensuring reliable performance and data security. The role involves day‑to‑day support for hardware, software, and network services across the company.

Key responsibilities

  • Install, configure and maintain computers, servers, networks and software applications.
  • Monitor performance of IT infrastructure and resolve any issues promptly.
  • Manage user accounts, access permissions, email settings and security configurations.
  • Provide technical support for hardware, software and network problems.
  • Perform routine system updates, backups and apply security patches.
  • Oversee antivirus, firewalls and cybersecurity protocols to protect company data.
  • Set up and maintain printers, scanners, routers, switches and other IT equipment.
  • Maintain IT asset inventory and documentation.
  • Support cloud‑based systems, file‑sharing platforms and remote‑access tools.
  • Coordinate with external vendors for maintenance and support.
  • Recommend infrastructure upgrades and ensure business continuity.

Required profile

  • Bachelor's degree or HND in Computer Science, IT, Computer Engineering or related field.
  • 2–4 years proven experience as an IT System Administrator or similar role.
  • Relevant certifications such as CompTIA, CCNA, Microsoft are a plus.
  • Strong analytical, problem‑solving and communication skills.

Required skills

  • Windows operating systems
  • Network administration (routers, switches, firewalls, VPN)
  • Server management
  • Microsoft 365 and cloud platforms
  • Backup and disaster‑recovery solutions
  • Cybersecurity principles and data‑protection practices
  • Hardware, software and network troubleshooting

Questions fréquentes

Le salaire proposé pour ce poste est de 250-350k NGN par mois. Le détail figure dans l'annonce.
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Published 2 days ago

Expires 1 month from now

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Sigma Consulting Group

Lagos