Senior Systems Administrator (Managed Enterprise) / Senior IT Support Engineer at Jireh Technologies Ltd

Job Overview

Location
Lagos, Lagos
Job Type
Full Time
Date Posted
10 days ago

Additional Details

Job ID
158657
Job Views
26

Job Description






Role Summary




  • Provide full-stack managed services support for enterprise IT infrastructure, including servers, hybrid cloud, storage, databases, backups, security, and enterprise software platforms. This role requires managing a complex multi-vendor environment (HPE, Dell, Lenovo, Microsoft, Oracle, VMware) and delivering high-availability support through both on-site operations and escalation coordination with remote and base office support.



Key Skills & Competencies




  • Multi-vendor server hardware maintenance (HPE, Dell, Lenovo), VMware ESXi cluster management, BladeSystem configurations, and enterprise SAN/NAS provisioning.

  • Expertise in Windows Server (2016+), Active Directory, Red Hat Enterprise Linux, Oracle Linux, and UNIX platforms.

  • Proficiency in Microsoft Azure administration, M365 suite, hybrid AD identity synchronization, and cloud networking (VPN/ExpressRoute).

  • Operational knowledge of Oracle Database (11g+) and MS SQL Server (2016+), including tablespace management, schema structures, and basic tuning.

  • Experience with HP Data Protector, enterprise media management, ISO 27001 frameworks, vulnerability mitigation, and OS hardening.

  • Applied knowledge of ITIL Incident, Change, and Problem Management frameworks, along with root cause analysis (RCA) and performance tuning.



Core Responsibilities:




  • Administer ~100 Windows Server (2016+) Active Directory environments, RHEL/UNIX systems, and core network roles (DHCP, DNS, Hyper-V, GPO).

  • Maintain data center computer hardware (HPE, Dell, Lenovo, VMware ESXi) and 150TB+ SAN/NAS storage arrays (HPE Alletra/3PAR, NetApp, EMC).

  • Manage backup operations using HP Data Protector (v6+) and drive capacity planning.

  • Support Microsoft Azure resources and M365 services (Exchange Online, Teams, SharePoint, hybrid Azure AD sync).

  • Maintain Oracle (11g+) and MS SQL Server (2016+) databases and core enterprise applications (Forcepoint, Equitrac).

  • Execute patch management, software upgrades, OS hardening, and maintain ISO 27001 security compliance.

  • Deliver 24/7 proactive monitoring, incident management, and change control using an ITIL-aligned service desk.



Qualifications & Skills




  • Education: B.Sc/B.Engr./B.Tech/HND in Computer Science/Engineering, Software Engineering, Electrical and Electronics Engineering.

  • Experience: 5+ years supporting 24/7 enterprise data centers and hybrid environments.

  • Certifications: Microsoft (Azure/M365 Admin), VMware/OEM Hardware Certifications, Cisco (CCNA/CCNP) and ITIL Certification.



Similar Jobs

Full Time
Full Time
Full Time

Cookies

This website uses cookies to ensure you get the best experience on our website. Cookie Policy

Accept