Linux Systems Administrator

Company: Vennote Technologies

Location: Lagos

Type: Full-Time / Hybrid

Role Overview

Vennote Technologies is seeking a highly skilled Linux Systems Administrator to join our infrastructure team. You will be responsible for the end-to-end management of our Unix and Linux environments, ensuring high availability, security, and performance. This role requires a technical expert who can handle everything from routine user management to complex cluster troubleshooting and hardware refreshes.

Key Responsibilities

1. System Administration & Configuration

• Multi-Platform Support: Administer, install, and configure Red Hat Linux, Solaris, and Oracle Linux environments.
• Virtualization: Manage and optimize server performance using modern virtualization technologies.
• Lifecycle Management: Lead Technology Refresh projects within the Unix/Linux domain to ensure infrastructure remains modern and supported.
• Maintenance: Perform OS management, including patch updates, kernel fine-tuning, and access control.

2. Operations & Monitoring

• Account Management: Handle the full lifecycle of user accounts (creation, deletion, and modification) and manage group policies.
• Performance Monitoring: Proactively monitor server concurrent logins, processor utilization, network traffic, and disk space for the Portal environment.
• Data Protection: Execute regular backup activities strictly adhering to company policies and disaster recovery procedures.

3. Troubleshooting & Support

• Clustering: Apply strong knowledge of clustering technologies to maintain high availability and resolve complex failover issues.
• Vendor Management: Collaborate with principal vendors to conduct Root Cause Analysis (RCA) and implement permanent fixes for critical issues.
• Remote Assistance: Provide expert remote support for OS installation and configuration as needed.

4. Security & Compliance

• Hardening: Partner with the security team to apply patches, implement security policies, and perform system hardening.
• Investigations: Assist in security investigations and audit compliance activities.

Technical Requirements

• Scripting: Proficiency in Bash, Python, or Perl for task automation and system monitoring.

Preferred Skills

• Strong analytical and problem-solving mindset.
• Ability to work under pressure and manage high-priority incidents.
• Excellent communication skills for vendor coordination and team collaboration.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, or a related technical field.
• Minimum 4–6 years of hands-on experience in a Unix/Linux Systems Administrator role.
• Certification in Red Hat: RHCSA or RHCE is essential for the RHEL component.
• Oracle/Solaris and VMware certifications is a plus
• Governance: ITIL v4 Foundation certification (highly valued for alignment with Vennote’s service delivery frameworks).

Why Vennote Technologies?

At Vennote, we value technical excellence and a proactive mindset. You will work with a high-octane team where your architectural decisions directly impact our global operations.

Qualified candidates should send their CVs to dave.nwokedi@vennote.com with "Linux Systems Administrator” as subject.

Only Qualified Candidates will be contacted.