Linux Openshift

Recruiter:

A 1L Realization (Pty) Ltd

Job Ref:

JHB000956/Tshid

Date posted:

Thursday, June 11, 2026

Location:

Johannesburg, South Africa

SUMMARY:
Our client in the Telecommunications & Networking sector is looking for a Linux OpenShift contract for 6 to 12 months.

POSITION INFO:

Requirement Specification

Maintain stable, secure, and high-performing Linux platforms that support [apps/services].
Deliver automation and engineering improvements, including Infrastructure as Code (IaC), CI/CD, and scripting, to reduce manual effort and minimise incidents.
Strengthen the compliance posture through effective patching, hardening, and logging aligned with [standards].
Provide development and operational support for Linux-based services, platforms, and supporting tools.

Linux Engineering

Build, configure, and administer Linux servers across development, test, OpenShift and production environments.
Manage the full operating system lifecycle, including provisioning, patching, upgrades, kernel tuning, and repository management.
Administer storage and file systems, including LVM, multipath, RAID, NFS/SMB, mounts, and quotas.
Manage identity and access controls, including LDAP/AD integration, sudo policies, PAM, and SSH hardening.
Configure and troubleshoot networking components such as bonding, VLANs, routing, and firewall rules using iptables or nftables.
Provide L3 Linux administration with OpenShift monitoring capability aligned operational and audit requirements.
Linux Administration (RHEL): build, patch, upgrade, troubleshoot
OpenShift Monitoring agent setup, alert tuning, incident integration
Migrate environments from VMWare to OpenShift

Security and Compliance

Apply CIS/STIG hardening baselines where appropriate.
Manage vulnerability remediation, EDR integration, auditing, and log forwarding through tools such as syslog, journal, or rsyslog.
Support certificate management, key rotation, and the secure handling of secrets through Vault or equivalent key management solutions.

Operations and Reliability

Maintain monitoring and alerting capabilities using tools.
Provide L2/L3 incident and problem support, including triage, root-cause analysis, and corrective actions.
Support DR and BCP readiness through backup integration, restore testing, and maintenance of operational runbooks.

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