System Administrator at International Energy Services Limited (IESL)

Posted on Wed 08th Jul, 2026 - www.hotnigerianjobs.com --- (0 comments)

International Energy Services Limited (IESL), established in 1990, is a specialist, multidisciplinary, energy services company that provides integrated, client-focused and cost-effective services in the oil and gas industry.

We are recruiting to fill the position below:

Job Title: System Administrator

Location: Lagos
Job Type: Full Time

Summary

  • As part of IESL commitment to maintaining a reliable and secure technology environment, IESL is seeking to recruit a highly motivated and competent Systems Administration to support the organization's information technology infrastructure and end users.

Main Responsibilities

  • Provide second-level technical support to users across the organization on hardware, software, network, and systems-related issues.
  • Manage and administer network servers, operating systems, virtualization platforms, and technology tools.
  • Implement and maintain security controls, including user access management, firewalls, endpoint protection, and security monitoring solutions.
  • Conduct routine vulnerability assessments and support cybersecurity initiatives.
  • Support Active Directory, Microsoft 365, and other identity management systems.
  • Maintain and test backup and disaster recovery procedures to ensure business continuity.
  • Participate in IT projects, upgrades, migrations, and infrastructure improvement initiatives.
  • Promote user awareness regarding information security best practices.
  • Participate in IT projects such as network upgrades, system implementations, cloud migrations, and technology rollouts.
  • Evaluate emerging technologies and recommend innovative solutions that improve operational efficiency and security.
  • Ensure all IT activities are performed in accordance with company policies, procedures, and applicable regulatory requirements.

Educational Qualifications & Skills

  • Bachelor's Degree or HND in Information Technology, Computer Science, or related field.
  • Minimum of 5 years' relevant experience in Systems Administration, Network Administration, IT Infrastructure Support, or a related role.
  • Proven experience managing enterprise networks, servers, cloud environments, and data center operations.
  • Experience supporting ERP systems and enterprise business applications.
  • Hands-on experience with backup, recovery, and IT security solutions.
  • Microsoft Certified Solutions Expert (MCSE)
  • Microsoft Windows Server Administration
  • Fundamentals CompTIA Network+ (N+)
  • Microsoft 365 Certified: Administrator Expert
  • Cisco Certified Network Associate (CCNA) ITIL Foundation Certification.

Application Closing Date
Not Specified.

How to Apply
Interested and qualified candidates should send their CV to: recruitment@ieslglobal.com using the Job Title as the subject of the email.