Unix System Administrator – Rancher Specialist (Hybrid)
AI summary
Vennote Technologies Limited is hiring a Unix System Administrator – Rancher Specialist on a hybrid basis in Nigeria. The role focuses on managing enterprise Unix/Linux environments, deploying and scaling Kubernetes clusters with SUSE Rancher, and ensuring high availability, security, and performance across multi-platform infrastructure. Candidates should have deep container orchestration, RHEL/Solaris/Oracle Linux, and automation experience.
- Hybrid role based in Nigeria with enterprise infrastructure focus
- Core work on SUSE Rancher multi-cluster Kubernetes management
- Requires RHEL, Solaris, and Oracle Linux administration skills
- Emphasis on security hardening, patching, and compliance
- Involves vendor coordination with Red Hat, Oracle, and SUSE
AI job guide
Use this guide to check salary signals, requirements, documents, application steps and safety before you apply.
AI salary guide
Not enough public dataNot enough public salary data is available for this exact role. Before applying, prepare to ask about gross pay, benefits, contract length, probation period, transport and any allowances.
Can you qualify for this role?
- UnclearRelated work experienceThe text mentions experience, but the exact level should be confirmed at source.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in security, internship, entregadorThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in Not specifiedThe vacancy is associated with this location.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- Role specificAcademic or professional certificates
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Unix System Administrator – Rancher Specialist (Hybrid) evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Vennote Technologies Limited and the role in Not specified.
- Add concrete examples related to security, internship, entregador, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from Jobzilla Nigeria; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
- Prepare a polite question about pay, benefits and contract terms for later interview stages.
Source and safety check
- Jobzilla Nigeria
- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
Never pay for interviews, shortlisting, medical checks, uniforms, or job placement. Confirm every application at the original source before sharing personal documents. Report suspicious listing.
Interview preparation
- What experience makes you a strong fit for this Unix System Administrator – Rancher Specialist (Hybrid) role in security, internship?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Not specified under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Vennote Technologies Limited before the interview.
Ask what the first priorities will be in the role and how success will be measured.
Similar jobs to consider
Use AI to apply better
After confirming the original source, use Career Assistant to check role fit, tailor your CV and prepare a cover letter or employer message.
Original source description
The ideal candidate bridges the gap between traditional enterprise Linux administration and modern cloud-native container infrastructure, ensuring high availability, robust security, and seamless application delivery across multi-platform environments. In this role, you will be responsible for the end-to-end management of our Unix/Linux environments, with a specific focus on container orchestration and cluster management using SUSE Rancher. Vennote Technologies is seeking a highly skilled Unix System Administrator – Rancher Specialist to join our enterprise infrastructure team. Key Responsibilities| Container Orchestration & Rancher Management: Operations & Scaling: Optimize Rancher for multi-cluster management, ensuring streamlined provisioning, upgrading, and day-2 operations of downstream Kubernetes clusters. Cluster Management: Deploy, configure, and manage enterprise Kubernetes clusters across production and non-production environments using SUSE Rancher. Troubleshooting: Diagnose and resolve complex container orchestration issues, ingress routing problems, persistent volume allocations, and node-level failures within the Rancher ecosystem. System Administration & Configuration: Maintenance: Perform OS-level management, including patch updates, kernel fine-tuning, and robust access control. Lifecycle Management: Lead Technology Refresh projects within the Unix/Linux and container domain to ensure infrastructure remains modern, supported, and scalable. Virtualization: Manage and optimize bare-metal and virtualized server performance using modern enterprise virtualization technologies to support containerized workloads. Multi-Platform Support: Administer, install, and configure Red Hat Enterprise Linux (RHEL), Solaris, and Oracle Linux environments. Operations & Monitoring: Account & Access Management: Handle the full lifecycle of user accounts, manage group policies, and implement Role-Based Access Control (RBAC) within both Linux OS and Rancher environments. Data Protection: Execute regular backup and restore activities (including Velero for Kubernetes/Rancher and traditional OS backups) adhering strictly to corporate disaster recovery procedures. Performance Monitoring: Proactively monitor server concurrent logins, processor utilization, network traffic, disk space, and Kubernetes cluster health/metrics. Troubleshooting & Vendor Management: Vendor Coordination: Collaborate with principal vendors (such as Red Hat, Oracle, and SUSE) to conduct Root Cause Analysis (RCA) and implement permanent fixes for critical infrastructure incidents. High Availability & Clustering: Apply strong knowledge of traditional clustering technologies and Kubernetes high-availability architectures to maintain uptime and resolve complex failover issues. Remote Assistance: Provide expert remote technical support for OS installation, configuration, and container platform deployment as needed. Security & Compliance: Investigations: Assist in security investigations, log analysis, and audit compliance activities. Infrastructure Hardening: Partner with the security team to apply patches, implement security policies, and perform strict system hardening. Container Security: Implement container security best practices, including image scanning, secure network policies in Rancher, and OS-level hardening. Technical Requirements: Containerization: Deep hands-on experience: with SUSE Rancher, Docker, and Kubernetes (K8s) architecture. Scripting & Automation: Proficiency in Bash, Python, or Perl for task automation, system monitoring, and infrastructure provisioning. Operating Systems: Expert-level knowledge of RHEL, Solaris, and Oracle Linux. Security & Hardening: Strong knowledge of SELinux, IPTables/Firewalld, and implementing CIS (Center for Internet Security) benchmarks for OS and Kubernetes hardening. Patch Management: Experience: using automated patching tools like Red Hat Satellite, Oracle Enterprise Manager, or Rancher-managed upgrade workflows. Qualifications Education: Bachelor’s Degree in Computer Science, Information Technology, Computer Engineering, or a related technical field. Governance: ITIL v4 Foundation certification (highly valued for alignment with Vennote’s service delivery frameworks). Experience: Minimum 4–6 years of hands-on experience: in a Unix/Linux Systems Administrator role, with at least 2 years actively managing Kubernetes/Rancher environments. Other Certifications: Oracle/Solaris, VMware, or AWS/Azure cloud certifications are a distinct plus. Container Certifications: Certified Kubernetes Administrator (CKA) or Rancher-specific certifications are highly desired. Linux Certifications: Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) is essential. Preferred Skills: Excellent communication and documentation skills for seamless vendor coordination and cross-functional team collaboration. Strong analytical, diagnostic, and problem-solving mindset for complex cloud-native architectures. Ability to work effectively under pressure and manage high-priority infrastructure incidents. 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 and container strategies directly impact our enterprise-scale operations and digital transformation initiatives. How to Apply Interested and qualified candidates should send their CV to: udeaku.ubu@vennote.com using “Unix System Administrator - Rancher Specialist” as subject of the email. Note : Only shortlisted candidates who meet the specified requirements: will be contacted. Application Deadline: 30th November, 2026. View all Jobs in Nigeria