UNIX/LINUX Management-SME

Job Description

• Install, configure, and administer UNIX/Linux servers (e.g., RHEL, Oracle Linux, Solaris/AIX as

applicable) for project environments.

• Provision and standardize server builds including OS installation, baseline configuration, and

environment hardening.

• Manage user/group administration, sudo policies, PAM controls, and implement least privilege

access.

• Configure and maintain storage and filesystems (LVM, multipath, NFS), including mount strategy,

performance and resilience.

• Set up and validate network configuration (IP, routing, DNS, NTP, firewall rules), ensuring

connectivity to application and database tiers.

• Implement system security controls: patching cadence, CIS-like hardening, SSH policies, audit

logging, endpoint protection integration.

• Automate repetitive admin tasks using shell scripting and tools such as Ansible (or similar

automation framework).

• Configure and manage services and daemon lifecycle (systemd/init), log rotation, and basic

observability integration.

• Perform performance monitoring and tuning (CPU, RAM, disk IO, network), and assist in root

cause analysis of incidents.

• Support middleware/application installation prerequisites (packages, kernel params, ulimits, file

descriptors, shared libraries).

• Coordinate with storage/network/security teams for firewall approvals, VLANs, load balancers,

certificates, and access pathways.

• Ensure adherence to change management: raise RFCs, implement approved changes, and

document build and configuration decisions.

• Participate in implementation milestones: readiness checks, deployment support, cutover

execution, and hypercare.

• Prepare and maintain technical documentation: build guides, hardening evidence, support

runbooks, and handover packs.

Typical deliverables

• Standard server build template, hardening evidence, patching report, access matrix,

configuration baseline, cutover checklist, support runbook.

Requirement

• Minimum of 5 years post-NYSC professional experience
• Experience in OLVM Cluster Development
• Hands-on experience with setup and deployment of OLVM clusters
• Experience working on OLVM Cluster Development projects (VGC)

Job type: Full-time