IT Network Engineer


  2026-05-20
  Remote, Nigeria
  3–5
  Information Technology

Ascentech Services Limited is a full-fledged Human Resource Solution Provider incorporated in 2013 with its Head Office in Lagos, Nigeria. We are committed to forging long-term partnerships with our clients by creating and delivering robust and flexible services that address the changing needs of their business.

We are recruiting to fill the position below:

Job Title: IT Network Engineer

Location: Lagos
Employment Type: Full-time
Department: Information Technology / IT Infrastructure
Reports To: IT Manager / Head of Infrastructure

About the Role

  • The ideal candidate should possess strong troubleshooting abilities, enterprise infrastructure experience, and a solid understanding of networking, virtualization, security, and cloud technologies.
  • The successful candidate will be responsible for designing, implementing, securing, and maintaining the organization’s IT infrastructure to ensure high availability, optimal performance, and business continuity across all systems and networks.
  • You will collaborate with internal teams and external vendors to support day-to-day IT operations while driving infrastructure improvements aligned with organizational objectives.
  • We are seeking a skilled and proactive IT Engineer with 3–5 years of hands-on experience in network administration and systems management.

Key Responsibilities
Network Administration:

  • Monitor network performance and troubleshoot connectivity or latency issues to minimize downtime.
  • Implement and enforce network security policies, ACLs, VLAN segmentation, and access controls.
  • Conduct routine network audits, firmware upgrades, capacity planning, and infrastructure documentation updates.
  • Manage enterprise networking devices including routers, switches, wireless controllers, and load balancers (Cisco, Juniper, Fortinet, or equivalent).
  • Design, configure, and maintain LAN/WAN infrastructure, VPNs, firewalls, switches, and routing environments.
  • Ensure secure and reliable remote connectivity for hybrid or distributed work environments.

Systems Administration:

  • Manage virtualization platforms such as VMware vSphere, Hyper-V, or Proxmox.
  • Oversee backup, recovery, and disaster recovery processes to ensure data integrity and business continuity.
  • Install, configure, and maintain Windows Server and Linux-based operating systems.
  • Administer Active Directory, Group Policy, DNS, DHCP, file/print services, and user access management.
  • Support server migrations, upgrades, and infrastructure expansion projects.
  • Perform system patching, monitoring, optimization, and performance tuning.

IT Operations & Technical Support:

  • Manage IT assets, hardware inventory, software licensing, and lifecycle tracking.
  • Provide Tier 2/3 support for escalated infrastructure incidents and technical service requests.
  • Coordinate with vendors and service providers regarding procurement, maintenance, SLAs, and renewals.
  • Participate in IT project implementation, change management activities, and periodic on-call support rotations.
  • Support end-user productivity and ensure timely resolution of infrastructure-related issues.
  • Develop and maintain technical documentation, network diagrams, SOPs, and operational runbooks.

Security & Compliance:

  • Maintain secure access controls, authentication policies, and data protection measures.
  • Ensure compliance with internal security standards and relevant frameworks such as ISO 27001, NDPR, or GDPR.
  • Conduct vulnerability assessments and remediate identified infrastructure risks.
  • Support incident response activities including root cause analysis and post-incident reporting.
  • Implement and manage endpoint protection, SIEM platforms, IDS/IPS solutions, and security monitoring tools.

Qualifications & Requirements
Education:

  • Bachelor’s degree in Computer Science, Information Technology, Electrical Engineering, or a related discipline.
  • Relevant professional certifications combined with strong practical experience may be considered in place of formal education.

Experience:

  • Proven experience managing enterprise-level servers, networks, and virtualization environments.
  • Experience supporting multi-site or 100+ user environments is an added advantage.
  • 3–5 years’ experience in IT infrastructure, systems administration, or network engineering roles.

Technical Skills:
Networking:

  • Strong understanding of TCP/IP, VLANs, BGP, OSPF, MPLS, SD-WAN, QoS, and VPN technologies (IPSec/SSL).

Systems Administration:

  • Active Directory & Group Policy
  • PowerShell and Bash scripting
  • Linux administration (Ubuntu/RHEL)
  • Windows Server 2016/2019/2022

Virtualization:

  • VMware ESXi/vCenter
  • Other enterprise hypervisor platforms
  • Microsoft Hyper-V

Cloud Technologies (Desirable):

  • AWS, Microsoft Azure, or Google Cloud Platform
  • Hybrid cloud networking and infrastructure integration

Monitoring & Security Tools:

  • PRTG, SolarWinds, Nagios, Zabbix, or equivalent monitoring solutions
  • SIEM and endpoint security platforms

Storage & Backup:

  • Backup solutions such as Veeam or Backup Exec
  • RAID configuration
  • SAN/NAS administration

Preferred Certifications:

  • Certifications in progress will also be considered.
  • Cisco CCNA or CCNP
  • VMware VCP-DCV
  • CompTIA Network+ or Security+
  • ITIL Foundation Certification
  • Microsoft Azure Administrator Associate, MCSA, or MCSE

Core Competencies:

  • High attention to detail and documentation standards
  • Ability to manage multiple priorities in fast-paced environments
  • Excellent communication and stakeholder management abilities
  • Strong analytical and troubleshooting skills
  • Strong teamwork and collaboration skills
  • Proactive mindset with commitment to continuous learning and improvement.

What We Offer

  • Structured career development and growth opportunities
  • Collaborative and innovation-driven work environment.
  • Exposure to enterprise-grade technologies and infrastructure projects
  • Competitive salary and performance-based incentives
  • Health insurance and pension benefits
  • Paid leave and employee wellness support
  • Professional training and certification support

How to Apply
Interested and qualified candidates should send in their CVs to: [email protected] using "IT NETWORK ENGINEER" using the job title as the suubject of the mail.

Application Deadline: 27th May, 2026.


Click link to Apply





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