Senior Unix/Linux Systems Administrator

Senior Unix/Linux System Administrator

Seasoned Unix/Linux System Administrator with over 8 years of experience administering and maintaining Oracle Solaris, Red Hat Enterprise Linux (RHEL), and Oracle Linux infrastructures across hybrid environments, including on-premises and cloud platforms (AWS, Azure). Proven ability to design, implement, and manage robust server environments, including OVM for SPARC and OLVM for x86, supporting critical enterprise applications. Passionate about automation, infrastructure as code (IaC), and streamlining operations using tools like Ansible and SaltStack. Adept at working under pressure, meeting project deadlines, and contributing to a high-performance team culture.

Key Responsibilities:

• Administered and maintained Linux infrastructure (RHEL & Oracle Linux) across on-prem and cloud environments.
• Managed Oracle Solaris systems and implemented upgrades, patches, and security controls.
• Oversaw OVM for SPARC and OLVM for x86 virtualization environments for optimal resource utilization.
• Deployed and maintained solutions on AWS, Azure, and other public cloud platforms.
• Automated system tasks and processes using Ansible, Bash, and Python, ensuring consistency and efficiency.
• Planned and implemented new system solutions in collaboration with cross-functional business units.
• Collaborated on projects with defined timelines, ensuring system integration and performance optimization.
• Developed and enforced system and security policies aligned with organizational goals.
• Maintained accurate system documentation and regularly updated internal knowledge bases.

Skills & Competencies:

• Advanced knowledge of Linux (RHEL, Oracle Linux) and Oracle Solaris (Solaris 11)
• Virtualization platforms: OVM for SPARC, OLVM for x86, VMware, KVM
• Cloud platforms: AWS, Azure, with exposure to hybrid cloud architectures
• Configuration management and automation: Ansible, SaltStack, Shell Scripting
• Development exposure: Bash, Python, with basic scripting for automation
• Strong understanding of TCP/IP, DNS, LDAP, firewall rules, and NFS/SMB
• Business continuity, disaster recovery planning, and backup strategies
• Strong troubleshooting, incident management, and root cause analysis skills
• Excellent documentation and communication abilities
• Highly adaptable, analytical thinker, and proactive problem-solver

Education & Certifications:

• Grade 12 (Matric)
• Red Hat Certified Engineer (RHCE) (or equivalent)
• Oracle Solaris Certification
• Additional certifications in cloud computing or DevOps tools (advantageous)

Job Type:

• Contract

Workplace Type:

• Hybrid

Location:

• Johannesburg, Gauteng

Experience Level:

• Senior

If you believe that you have what it takes, please contact Kivara Rajgopal on [email protected] or 010 800 0848