121 IT Administrator jobs in Nigeria

The role involves designing, implementing, and maintaining secure, scalable, and reliable enterprise-grade networks to support organizational growth. Requires 3+ years of experience managing network infrastructure and ensuring high availability of IT services.

Key Responsibilities

Design and optimize LAN, WAN, WLAN, VPN infrastructures.

Configure, manage, and troubleshoot network devices (routers, switches, firewalls, wireless).

Implement network security (firewall rules, IDS/IPS, segmentation).

Monitor and analyze network performance to ensure 99.9%+ uptime.

Perform capacity planning and disaster recovery simulations.

Maintain network documentation and policies.

Provide Tier 2/3 support and mentor junior engineers.

Stay updated on emerging technologies and threats.

Skills & Qualifications

3+ years in network engineering or administration in enterprise environments.

Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP, MPLS.

Experience with Cisco, Sophos, Fortinet, Juniper devices.

Expertise in VPNs (IPsec, SSL) and network security tools.

Familiar with network monitoring tools (SolarWinds, Wireshark, PRTG, etc.).

Cloud networking knowledge (AWS, Azure) is a plus.

Excellent troubleshooting and problem-solving skills.

Preferred Certifications

CCNA – Required or in progress.

CompTIA Network+ – Strong foundational credential.

CCNP – Highly desirable.

Soft Skills

Strong communication and collaboration abilities.

Analytical and critical thinking for complex issue resolution.

Calm under pressure during outages and incidents.

Highly organized and process-driven with good documentation skills.

• Effective time management and prioritization.

Administer and maintain the entire plant's network infrastructure, including routing,

switching, firewalls, and wireless systems.

Plan and execute IT infrastructure projects from initiation to completion, ensuring

timelines, quality,

Today

A

Lagos Full Time

Banking, Finance & Insurance Confidential

• Minimum Qualification :
• Experience Level : Mid level
• Experience Length : 3 years

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• Company:
• Location: Nigeria
• State:
• Job type: Full-Time
  Job category:

Abbey Mortgage Bank Plc is the premier, largest and most profitable, non-aligned Primary Mortgage Bank in Nigeria. Abbey is one of the seven national Primary Mortgage Banks (PMB) licensed by the Central Bank of Nigeria and Federal Mortgage Bank of Nigeria (FMBN). The recent recapitalization exercise saw the downsize from 105 mortgage banks to only 34 now surviving. We not only emerged successfully capitalized but one of the few that also met our National obligation as well as amongst the public liability companies.

We Are Recruiting To Fill The Position Below

Job Title: System Administrator

Location: Lagos

Job type: Full-time

Job Description

• We are seeking a skilled System Administrator to join our IT team and ensure the stability, security, and optimal performance of our IT infrastructure.
• The ideal candidate will be responsible for managing and supporting on-premises and cloud-based systems, performing routine maintenance, and troubleshooting issues to ensure seamless operations across the organization.
  This role requires hands-on expertise in server administration, network management, and automation, with a focus on reliability and efficiency.

Key Responsibilities

• Install, configure, and maintain on-premises and cloud-based servers and systems (e.g., Nutanix, Windows/Linux servers, AWS, Azure).
• Monitor system performance and ensure high availability and reliability of all IT resources.
• Implement security best practices, including user access control, patch management, and data backup strategies.
• Perform routine maintenance, updates, and upgrades to systems and applications.
• Troubleshoot hardware, software, and network issues promptly to minimize downtime.
• Maintain and manage Active Directory, DNS, DHCP, and other core infrastructure services.
• Develop and maintain documentation for systems, processes, and configurations.
• Collaborate with other IT teams to support business applications and technology initiatives.
• Automate routine administrative tasks using tools like PowerShell, Bash, or Ansible.
  Participate in disaster recovery planning and testing.

Qualifications

• Bachelor's Degree in Computer Science, Information Technology, or a related field (or equivalent experience).
• 3+ years of experience in a system administrator or related IT support role.
• Hands-on experience with Windows and Linux server administration.
• Familiarity with virtualization platforms (e.g., Nutanix, VMware}
• Knowledge of cloud services (AWS, Azure) and hybrid environments.
• Proficiency in Active Directory, Group Policy, DNS, DHCP, and file/print services.
• Scripting skills (PowerShell, Bash, or Python) for automation and task optimization.
• Strong understanding of networking fundamentals (TCP/IP, VPNs, firewalls).
• Experience with backup solutions and disaster recovery practices.
• Excellent problem-solving and communication skills.
  Relevant certifications (e.g., Microsoft Certified: Windows Server, CompTIA Server+, AWS Certified SysOps Administrator) are a plus.

Application Closing Date

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Company Description

KOKO is a leading international, diversified media and tech company with businesses on three continents. We focus on providing innovative solutions and services that meet the needs of our clients across the globe. Our commitment to excellence has earned us a reputation as a trusted and reliable partner.

Role Description

This is a full-time, on-site role for a System Administrator located in Lagos State, Nigeria.

• We are seeking a skilled System Administrator to join our IT team and ensure the stability, security, and optimal performance of our IT infrastructure.
• The ideal candidate will be responsible for managing and supporting on-premises and cloud-based systems, performing routine maintenance, and troubleshooting issues to ensure seamless operations across the organisation.
• This role requires hands-on expertise in server administration, network management, and automation, with a focus on reliability and efficiency.

Key Responsibilities

• Install, configure, and maintain on-premises and cloud-based servers and systems (e.g., Windows/Linux servers, AWS, Azure).
• Monitor system performance and ensure high availability and reliability of all IT resources.
• Implement security best practices, including user access control, patch management, and data backup strategies.
• Perform routine maintenance, updates, and upgrades to systems and applications.
• Troubleshoot hardware, software, and network issues promptly to minimise downtime.
• Maintain and manage Active Directory, DNS, DHCP, and other core infrastructure services.
• Develop and maintain documentation for systems, processes, and configurations.
• Collaborate with other IT teams to support business applications and technology initiatives.
• Participate in IT system recovery planning and testing.

Qualifications

• Bachelor's Degree in Computer Science, IT or a related field (or equivalent experience).
• 3+ years of experience in a system administrator or related IT support role.
• Hands-on experience with Windows and Linux server administration.
• Extensive experience of cloud services (AWS, Azure) and hybrid environments.
• Proficiency in Active Directory, DNS, DHCP, and file/print services.
• Scripting skills (PowerShell, Bash, or Python) for automation and task optimisation.
• Working experience of networking fundamentals (TCP/IP, VPNs, firewalls).
• Experience with backup solutions and recovery practices.
• Excellent problem-solving and communication skills.
• Relevant certifications (e.g., Microsoft Certified: Windows Server, CompTIA Server+, AWS Certified SysOps Administrator).
• Experience with Troubleshooting and providing Technical Support
• Knowledge of Information Technology best practices
• Excellent problem-solving abilities

Renumeration

is competitive.

Qualified candidates should please send their applications with their CV attached to Not later than noon of 21 October 2025.

Job Description

We are seeking a skilled
System Administrator
to join our IT team and ensure the stability, security, and optimal performance of our IT infrastructure. The ideal candidate will be responsible for managing and supporting on-premises and cloud-based systems, performing routine maintenance, and troubleshooting issues to ensure seamless operations across the organization.

This role requires hands-on expertise in server administration, network management, and automation, with a focus on reliability and efficiency.

Key Responsibilities

• Install, configure, and maintain on-premises and cloud-based servers and systems (e.g., Nutanix, Windows/Linux servers, AWS, Azure).
• Monitor system performance and ensure high availability and reliability of all IT resources.
• Implement security best practices, including user access control, patch management, and data backup strategies.
• Perform routine maintenance, updates, and upgrades to systems and applications.
• Troubleshoot hardware, software, and network issues promptly to minimize downtime.
• Maintain and manage Active Directory, DNS, DHCP, and other core infrastructure services.
• Develop and maintain documentation for systems, processes, and configurations.
• Collaborate with other IT teams to support business applications and technology initiatives.
• Automate routine administrative tasks using tools like PowerShell, Bash, or Ansible.
• Participate in disaster recovery planning and testing.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
• 3+ years of experience in a system administrator or related IT support role.
• Hands-on experience with Windows and Linux server administration.
• Familiarity with virtualization platforms (e.g., Nutanix, VMware}
• Knowledge of cloud services (AWS, Azure) and hybrid environments.
• Proficiency in Active Directory, Group Policy, DNS, DHCP, and file/print services.
• Scripting skills (PowerShell, Bash, or Python) for automation and task optimization.
• Strong understanding of networking fundamentals (TCP/IP, VPNs, firewalls).
• Experience with backup solutions and disaster recovery practices.
• Excellent problem-solving and communication skills.
• Relevant certifications (e.g., Microsoft Certified: Windows Server, CompTIA Server+, AWS Certified SysOps Administrator) are a plus.

A Learning institution is hiring

POSITION: System Administrator

LOCATION: Central Area Abuja

OUR IDEAL CANDIDATE

• Microsoft Certified: Windows Server / Azure Administrator
• CompTIA Server+, CompTIA Security+
• Red Hat Certified System Administrator (RHCSA)
• VMware Certified Professional (VCP)
• ITIL Foundation
• Proficiency in Windows Server and/or Linux administration.
• Experience with Active Directory, Group Policy, DNS, DHCP, and Exchange/Office 365
• Knowledge of networking (LAN/WAN, firewalls, VPNs, TCP/IP).
• Familiarity with virtualization technologies (VMware, Hyper-V, etc.).
• Understanding of backup, storage, and disaster recovery solutions.
• Basic scripting knowledge (PowerShell, Bash, Python).
• Experience with cloud platforms (Azure, AWS, or Google Cloud).Experience:
• 2–4 years of experience in system administration, IT infrastructure, or related roles
• Hands-on experience with server hardware and software management.
• Exposure to IT security and compliance practices
• Shortlisted candidates will be contacted within 72 hours for a phone interview

Job Types: Full-time, Part-time

Pay: ₦400, ₦800,000.00 per month

Application Question(s):

• How soon can you resume if you get a new job today?

A.) Immediately (1 week)

B.) 2 weeks (in order to give notice at current job)

C.) 1 Month (in order to give notice at current place of work)

D.) 2 months or more

• Thank you for applying for this position

.If you are shortlisted, you will be contacted within the next 72 hours for a telephone interview

• Do live around Garki or Central Area? If no, what part of Abuja do you reside?
• Which of these IT positions are you applying for?

A.) Database Manager/Administrator

B.) System Administrator

C.) Software Developer

D.) None of the above. Interested in any other role

• Which of these areas do you have experience in?

A.) Windows Server and/or Linux administration.

B.) Active Directory, Group Policy, DNS, DHCP, and Exchange/Office 365.

C.) Networking (LAN/WAN, firewalls, VPNs, TCP/IP).

D.) Virtualization technologies (VMware, Hyper-V, etc.).

E.) Understanding of backup, storage, and disaster recovery solutions.

F.) Basic scripting knowledge (PowerShell, Bash, Python).

G.) Experience with cloud platforms (Azure, AWS, or Google Cloud).

H.) All of the above

i.) None. But interested in any other position

• Which of these certifications do you have?

A.) Microsoft Certified: Windows Server / Azure Administrator

B.) CompTIA Server+, CompTIA Security+

C.) Red Hat Certified System Administrator (RHCSA)

D.) VMware Certified Professional (VCP)

E.) ITIL Foundation

F.) All of the above

G.) None of the above but willing to register

• How would you rate your remote/hybrid working skills?

A.) Excellent/Expert remote/Hybrid working skills

B.) Basic/Intermediate remote/Hybrid working skills

C.) Beginner Remote/Hybrid working skills

D.) All of the above

E.) No remote working skills but a fast learner

• Which of these data base management areas do you have experience?

A.) Windows Server and/or Linux administration.

B.) Active Directory, Group Policy, DNS, DHCP, and Exchange/Office 365

C.) Knowledge of networking (LAN/WAN, firewalls, VPNs, TCP/IP).

D.) Familiarity with virtualization technologies (VMware, Hyper-V, etc.).

E.) Understanding of backup, storage, and disaster recovery solutions.

F.) Basic scripting knowledge (PowerShell, Bash, Python).

G.) Experience with cloud platforms (Azure, AWS, or Google Cloud).

H.) All of the above

i.) None of the above, but with potential

• Which of these qualifications and certifications do you have?

A.) SSCE/OND/Undergraduate System administrator

B.) Degree in Computer Science, Information Technology, or related field.

C.) Microsoft Certified: Windows Server / Azure Administrator

D.) CompTIA Server+, CompTIA Security+

E.) Red Hat Certified System Administrator (RHCSA)

F.) VMware Certified Professional (VCP)

G.) ITIL Foundation

• What is the highest qualification you have?

A.) Under graduate (IT professional)

B.) A degree/HND in computer science or IT related course)

C.) A Degree/HND in other courses

D.) A Post-Graduate/master's degree in Computer/IT related course

E.) IT Certification: Microsoft Certification, ITIL Foundation etc

• How many years of System Administration experience do you have?

A.) Less than 2 years System Administration experience

B.) Between 3 to 5 years System Administration experience

C.) Between 5 to 7 years System Administration experience

D.) More than 8 years' experience in System Administration

E.) No System Administration experience but a fast learner

Today

Port Harcourt & Rivers State Full Time

Education NGN 75, ,000 Plus Commission

Easy Apply

The ideal candidate should have a strong passion for music, with the ability to play at least one musical instrument or possess substantial knowledge of music. In addition, the candidate will serve as an Administrative Officer for Mikary Institute (Mikary Music Academy), supporting both the academic and creative aspects of the

• Minimum Qualification : High School (S.S.C.E)
• Experience Level : Entry level
• Experience Length : 1 year
• Working Hours : Full Time

Responsibilities:

• Oversee day-to-day administrative operations of the academy.
• Serve as the primary point of contact for students, parents, and visitors.
• Manage registration processes, class schedules, and attendance records.
• Support faculty and instructors with academic coordination.
• Assist in organizing events, performances, and institute programs.
• Maintain proper documentation, filing systems, and office supplies.
• Handle inquiries, phone calls, and correspondence professionally.
• Ensure smooth communication across different departments of the institute.
  Provide creative support where required, leveraging musical knowledge.

Requirements:

• Passion for music with the ability to play at least one musical instrument or strong knowledge of music.
• Previous administrative or office management experience is an advantage.
• Excellent organizational, communication, and interpersonal skills.
• Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint) or Google Workspace.
• Ability to multitask, prioritize, and work independently with minimal supervision.
• Strong attention to detail and problem-solving skills.
• A positive, professional, and approachable demeanor.

Job Title: Administrator

Job Type: Full Time

Job Location: Nsukka, Enugu State

Work Structure: Onsite

Company Brief:

Arone is a Nigerian technology manufacturing company that designs and builds intelligent drones for law enforcement and emergency response, an AI-powered CCTV monitoring platform for urban surveillance, and compact power backup systems that provide affordable and reliable electricity for homes and businesses.

Founded in 2018, Arone designs and manufactures its products at its Nigeria headquarters in Nsukka, Enugu State, and provides nationwide and global service and support.

If you are passionate about solving problems that improve society, come join ARONE.

Job Summary:

We are seeking a proactive and highly organized Administrator to support the day-to-day operations of our growing company. The ideal candidate will be detail-oriented, resourceful, and capable of managing administrative processes, documentation, logistics, and communication across departments. You will play a critical role in ensuring that Arone's teams remain efficient and focused on delivering innovative products and services.

Work Suitability Requirement:

• Applicants must be located in Enugu State or willing to relocate.
• Completed NYSC / Not planning to attend NYSC in the next 2 years.
• Bachelor's degree in Business Administration, Management, Social Sciences, or related field.
• At least 1 year of experience in an administrative, operations, or office management role.

Technical Suitability Requirement:

• Manage office operations, schedules, and communications to ensure smooth workflow.
• Maintain accurate records, files, and documentation, both physical and digital.
• Support HR with recruitment coordination, onboarding, and staff welfare activities.
• Coordinate logistics for meetings, events, travel, and supplies procurement.
• Assist in preparing company reports, correspondence, and presentations.
• Serve as the first point of contact for visitors, partners, and vendors.
• Support compliance by tracking contracts, permits, and company policies.
• Collaborate with teams to ensure deadlines and deliverables are met.

Primary Requirements:

• Strong organizational and time-management skills.
• Excellent communication skills (written and verbal).
• Proficiency with productivity tools (Microsoft Office Suite, Google Workspace, etc.).
• Ability to multitask and handle sensitive information with confidentiality.
• Problem-solving mindset and attention to detail.
• Secondary Requirements :
• Experience in a technology or startup environment.
• Basic bookkeeping or finance support skills.
• Ability to coordinate across multiple teams and departments.

Job Type: Full-time

Location:

• Enugu (Required)

Job Summary

The Administrator will play a critical role in ensuring the smooth daily operations of the company. This role involves managing office administration, coordinating travel documentation processes, supporting staff and management, and ensuring clients receive timely and professional service.

Key Responsibilities

• Oversee day-to-day administrative operations to ensure efficiency and compliance with company policies.
• Maintain accurate records of bookings, invoices, receipts, and client files.
• Support the travel consultants with documentation, ticketing, and follow-up on client requests.
• Manage office supplies, equipment, and logistics.
• Prepare and distribute correspondence, reports, and travel itineraries.
• Handle inbound calls, emails, and walk-in inquiries in a professional manner.
• Assist in coordinating staff schedules, meetings, and company events.
• Monitor and update company databases, ensuring accuracy of client and vendor information.
• Liaise with vendors, airlines, embassies, and corporate partners to ensure smooth operations.
• Provide administrative support to HR, Finance, and Operations as required.

Qualifications & Experience

• Bachelor's degree or HND in Business Administration, Management, Tourism, or related field.
• Minimum of 2–3 years' experience in administrative or office management roles (experience in the travel/tourism/hospitality industry is an added advantage).
• Strong knowledge of MS Office Suite (Word, Excel, PowerPoint, Outlook).
• Excellent organizational and multitasking skills.
• Strong communication skills (oral and written).
• Ability to work under pressure and meet deadlines.
• Customer service-oriented with problem-solving skills.

Key Competencies

• High level of integrity, professionalism, and confidentiality.
• Attention to detail and accuracy in documentation.
• Proactive and resourceful in handling administrative challenges.
• Strong interpersonal skills for working with clients, vendors, and colleagues.
• Ability to adapt in a fast-paced and dynamic environment.

Job Type: Full-time

Pay: ₦200, ₦200,100.00 per month