105 Linux jobs in South Africa

About us:

1-grid.com is a fast-growing web hosting company in Cape Town with an established customer base, recently acquired by recognized leaders in the Internet services industry. We have the vision and resources to be the market leader in SA in the next 5 years; this vision is supported by an entrepreneurial culture that encourages innovation, collaboration, and top performance.

Job purpose:

The Linux Systems Administrator position fits into the 1-grid technical team who is responsible for automating, securing and maintaining reliable systems and network infrastructure. An emphasis is placed on systems automation, stability and efficiency. 1-grid’s systems and infrastructure include our office and Datacenter environments which house our internal, hosting infrastructure, network and support systems critical for the day to day operation of 1-grid.

Duties and Responsibilities:

Linux System Administration:

• Configure, maintain, and troubleshoot Linux servers (Red Hat, CentOS, Ubuntu) to ensure optimal performance and security.
• Perform regular system updates, patch management, and security hardening.
• Monitor system resource utilization and optimize configurations for efficiency.

Virtualization and Cloud Management:

• Manage and maintain virtualization platforms, including KVM and OpenNebula.
• Provision and manage virtual machines (VMs) and containers as needed.
• Implement high-availability and disaster recovery solutions for virtualized environments.

Scripting and Automation:

• Develop and maintain scripts in Bash and Python to automate routine tasks and streamline system management.
• Create and manage Ansible playbooks for configuration management and deployment.

• Security and Compliance:

• Implement security best practices and monitor system vulnerabilities.
• Perform security audits and apply patches and updates as necessary.
• Ensure compliance with industry standards and regulations.

• Infrastructure Monitoring and Troubleshooting:

• Set up monitoring tools to proactively identify and address system issues.
• Investigate and resolve complex technical problems in a timely manner.

• Collaboration and Documentation:

• Work collaboratively with cross-functional teams to support project requirements.
• Maintain detailed documentation of system configurations, procedures, and troubleshooting steps.

• Capacity Planning and Scaling:

• Assess system performance and capacity requirements, making recommendations for upgrades and scaling as needed.
• Participate in planning and executing infrastructure expansion projects.

Qualifications and Experience:

• Hardware/Networking fundamentals preferably in a datacentre environment (A+/ N+) or similar diploma
• Knowledge of virtualization (Hyper-V/KVM) environments
• Customer support experience
• Basic scripting (Bash, Python) and experience working on the command line
• Valid driver’s license and reliable vehicle

Benefits:

Our benefits are second to none - we look after our people!

1. We look after your well-being and encourage a healthy lifestyle:

We pay 100% of your medical aid (Discovery & Vitality) - so no deduction unless you want to add a beneficiary.

2. We think of your future:

Retirement Annuity - up to 5% co-contribution.

Looking for a Talented Linux Systems Administrator with an active Linux certificate and license. As a Linux Administrator, you will be required to ensure the reliable, efficient, and secure operation of an organisation's computer systems and networks.

Qualifications:

• Matric
• Degree or Relevant
• Must have Red Hat certification or Linux Professional Institute (Non-negotiable)

• Minimum 2 years Linux Experience
• Must have a car and license
• Problem-solving skills

• As a Linux Systems Administrator, you must be proficient in a wide range of technical and soft skills.
• Great communication skills are critical.
• The ability to work under pressure is imperative.

Apply now!

Direct message the job poster from Network Contracting Solutions -a division of ADvTECH Resourcing

New opportunity: 12 Month Contract for highly skilled Linux Architect - Fully remote role for client based in USA.

We are seeking a highly skilled Linux Architect with 10+ years of experience to design, implement, and optimize enterprise Linux environments. The ideal candidate will have deep expertise in Linux-based infrastructures, automation, security, and cloud integration, ensuring high availability, scalability, and performance of mission-critical systems.

Key Responsibilities:

• Design and implement scalable, secure, and high-performance Linux architectures.
• Define best practices and standards for Linux infrastructure, ensuring compliance with industry standards.
• Lead migration and modernization initiatives, including on-premises to cloud transformations.
• Evaluate and recommend Linux distributions (RHEL, CentOS, Ubuntu, Debian, SUSE) and associated technologies.
• System Administration & Performance Optimization :
• Oversee Linux system configuration, performance tuning, and troubleshooting.
• Implement automation frameworks using Ansible, Terraform, or Puppet for efficient system provisioning and configuration management.
• Manage kernel tuning, patching, and upgrades to maintain system stability and security.
• Ensure high availability (HA) and disaster recovery (DR) strategies are in place.
• Security & Compliance:
• Implement and maintain security best practices, including SELinux, firewalls, and access controls.
• Conduct vulnerability assessments and implement remediation strategies.
• Ensure compliance with security standards such as ISO 27001, NIST, and CIS benchmarks.
• Work closely with security teams to implement SIEM, logging, and monitoring solutions.
• Cloud & Virtualization :
• Architect and manage Linux workloads on cloud platforms (AWS, Azure, GCP).
• Optimize Linux systems for containerization (Docker, Kubernetes, OpenShift) and virtualization (VMware, KVM, Xen).
• Lead the adoption of Infrastructure as Code (IaC) and cloud automation strategies.
• DevOps & Automation:
• Collaborate with DevOps teams to enhance CI/CD pipelines using Git, Jenkins, and Kubernetes.
• Develop scripts using Bash, Python, or Perl to automate system tasks.
• Integrate Linux systems with configuration management tools (Ansible, Chef, Puppet).
• Implement proactive monitoring and alerting using Prometheus, Grafana, Nagios, or Zabbix.
• Ensure root cause analysis and effective resolution of system issues.
• Lead capacity planning and system scalability assessments.
• Technical Leadership & Documenation :
• Provide mentorship and technical guidance to junior engineers and system administrators.
• Develop and maintain technical documentation, architecture diagrams, and SOPs.
• Collaborate with stakeholders, developers, and security teams to align Linux infrastructure with business objectives.

Required Skills & Qualifications :

Education & Certifications :

• Bachelors or Masters degree in Computer Science, IT, or a related field.
• Red Hat Certified Architect (RHCA) or Red Hat Certified Engineer (RHCE).
• AWS Certified Solutions Architect, Azure Solutions Architect, or Google Cloud Professional Architect (preferred).
• CISSP, CKA (Certified Kubernetes Administrator), or Terraform Associate (a plus).

Technical Skills:

• Expert-level knowledge of Linux operating systems (RHEL, CentOS, Ubuntu, SUSE, Debian).
• Proficiency in scripting (Bash, Python, Perl, or Go).
• Experience with configuration management tools (Ansible, Terraform, Puppet, Chef).
• Strong understanding of cloud technologies (AWS, Azure, GCP).
• Expertise in containerization and orchestration (Docker, Kubernetes, OpenShift).
• Knowledge of virtualization technologies (VMware, KVM, Xen).
• Hands-on experience with networking concepts, load balancing, and firewall configurations.
• Experience with monitoring and logging tools (Prometheus, Grafana, ELK Stack, Splunk).
• Understanding of security frameworks, IAM policies, and Linux hardening best practices.

Soft Skills:

• Strong analytical and problem-solving abilities.
• Excellent communication and documentation skills.
• Ability to lead teams and collaborate across departments.
• Experience in managing multiple projects and working in agile environments.

Contact me at the detail listed below to apply.

Thank you,

Theresa Steenkamp

Key Account Manager - Network Contracting Solutions

tsteenkamp at networkcontracting c.o.z.a.

• Seniority level Mid-Senior level

• Employment type Contract

• Job function Information Technology
• Industries Technology, Information and Media

Referrals increase your chances of interviewing at Network Contracting Solutions -a division of ADvTECH Resourcing by 2x

Cape Town, Western Cape, South Africa 1 month ago

Midrand, Gauteng, South Africa 2 weeks ago

Cape Town, Western Cape, South Africa 1 week ago

Cape Town, Western Cape, South Africa 6 months ago

Cape Town, Western Cape, South Africa 18 hours ago

Cape Town, Western Cape, South Africa 2 days ago

Johannesburg, Gauteng, South Africa $50.00-$0.00 1 day ago

City of Johannesburg, Gauteng, South Africa 1 month ago

Cape Town, Western Cape, South Africa 1 month ago

Cape Town, Western Cape, South Africa 800.00- 1,300.00 2 weeks ago

City of Cape Town, Western Cape, South Africa 3 days ago

Cape Town, Western Cape, South Africa 1 week ago

Cape Town, Western Cape, South Africa 10 months ago

Cape Town, Western Cape, South Africa 18 hours ago

Johannesburg, Gauteng, South Africa 200.00- 200.00 1 day ago

Cape Town, Western Cape, South Africa 200.00- 200.00 1 day ago

Johannesburg, Gauteng, South Africa 1 month ago

Cape Town, Western Cape, South Africa 1 month ago

Johannesburg, Gauteng, South Africa 1 week ago

Midrand, Gauteng, South Africa 2 weeks ago

Cape Town, Western Cape, South Africa 2 weeks ago

Johannesburg Metropolitan Area 24 minutes ago

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About the Team

We are Quadcode, a fintech company excelling in financial brokerage activities and delivering advanced financial products to our global clientele. Our flagship product, an internal trading platform, is offered as a Software-as-a-Service (SaaS) solution to other financial brokers.

We are a dynamic and innovative team responsible for building and supporting a cutting-edge private cloud infrastructure based on OpenStack and Kubernetes. Our infrastructure supports the stable operation of our trading platform, utilizing various Linux systems and services such as DNS, Gitlab, Artifactory, and Vault.

• Manage and support Kubernetes and PaaS platforms.
• Oversee various services and associated infrastructure components, including DNS, Gitlab, Artifactory, Vault, etc.
• Perform day-to-day operational tasks such as upgrades, CVE patching, backup and restore, security scans, and monitoring.
• Resolve incidents, provide support coverage, categorize issues, conduct post-mortems, and perform root cause analysis.
• Ensure environments are stable and adhere to availability SLAs.
• Work towards reducing operational effort.
• Engage in constant upskilling to stay updated with industry best practices.

• Minimum of 5 years of experience as a Linux system administrator, DevOps Engineer, or Site Reliability Engineer.
• Extensive experience in designing, building, configuring, and troubleshooting Linux servers across various environments (bare metal, container, cloud).
• Familiarity with process control and logging.
• Proficiency with automation tools such as Ansible, Salt, or Chef.
• Good understanding of Docker and ideally Kubernetes.
• Experience with monitoring and log aggregation tools like Grafana, ELK, or Graylog.
• Hands-on experience in deploying and maintaining systems on cloud solutions such as AWS, GCP, Azure, or OpenStack.
• Proficient in scripting languages like Bash or Python.
• Familiarity with configuring various servers and databases, including Apache Tomcat, Nginx, MySQL DB, PostgreSQL, Kafka, RabbitMQ, etc.
• Ideally, some exposure to DevOps tools like Gitlab CI/CD, Jenkins, or GitHub Actions.

• Remote work model.
• Competitive remuneration.
• Training and development.
• Corporate life: master classes, lectures, and incredible parties (now online).
• Friendly, enjoyable, and positive environment.

Currently, over 700 employees and service providers are stationed across our seven global offices located in the UK, Gibraltar, the UAE, the Bahamas, Australia, and the headquarters in Cyprus. By broadening its international presence, Quadcode not only offers a remote or hybrid work model but also presents a myriad of intriguing tasks and challenges for professionals like developers, market research analysts, and PR marketing specialists, among others.

Join us today, and let’s shape the future of fintech together!

Note: All applications will be treated with strict confidence. We thank all applicants for their interest; however, only those candidates selected for interviews will be contacted.

By submitting your application, you confirm acknowledge and accept that your personal data is collected, processed, and maintained in accordance with this privacy policy and this privacy policy .

Are you a Linux-loving, terminal-taming, sudo-slinging machine with a soft spot for uptime and an obsession with clean logs?

Good. Because South Africa’s OG crypto exchange, is hunting for a Linux Administrator who eats kernel panics for breakfast and can shell script their way out of a digital apocalypse.

Requirements:

• Bachelor's degree / certification in a related field
• Advantageous: RedHat (RHCSA)/ CompTIA linux+ certification.
• Advantageous: ITIL training/ certifications
• Advantageous: SaaS and cloud environment training/ certifications
• 3-5 years: Hands-on system administration
• 2+ years: Linux operating systems - configure, install and maintain

Reference number for this position is GZ60035 which is a permanent position based in West Rand offering a cost to company salary of R600k per annum negotiable on experience and ability. Contact Garth on target or call him on to discuss this and other opportunities.

Are you ready for a change of scenery? The e-Merge IT recruitment is a specialist niche recruitment agency. We offer our candidates options so that we can successfully place the right developers with the right companies in the right roles. Check out the e-Merge website for more great positions.

Do you have a friend who is a developer or technology specialist? We pay cash for successful referrals!

Overview

Systems Engineer - Linux

We are seeking a highly capable Systems Engineer to join our Infrastructure Services – Linux Administration team to support and enhance on-premises and cloud platforms and related core infrastructure services. This role is critical to ensuring secure, scalable, and efficient cloud and on-premises operations. The ideal candidate will bring Azure and / or Amazon Web Services ("AWS") expertise, a background in Linux server administration, strong troubleshooting skills, and the ability to thrive in a dynamic, fast-paced environment.

• Manage and maintain Linux-based systems in Oracle Linux in on-premises, Azure, and AWS environments.
• Perform system updates, patching, and configuration management using tools such as Ansible or shell scripting.
• Monitor system performance, troubleshoot issues, and ensure high availability of Linux services.
• Configure and manage services such as Secure Shell, NGINX / Apache, cron jobs, and system logging.
• Support the integration of Linux systems with Active Directory- and Azure-based identity services.
• Implement and support security best practices for Linux system hardening and vulnerability remediation.
• Participate in automation and orchestration of Linux workloads using infrastructure automation tools.
• Other duties as assigned

• Bachelor's degree in Business, Information Systems, a related discipline, or the equivalent work experience.
• At least 5 years in system engineering, with at least 3 working in a cloud platform.
• At least 5 years of professional IT experience.
• Strong troubleshooting skills across cloud and on-premises technologies.
• Able to adapt to rapidly evolving technologies and apply them to business needs.
• Experience facilitating change management in enterprise environments.
• Excellent written and verbal communication skills, with an ability to present ideas clearly and effectively.
• Strong collaboration skills across functional teams and organizational levels.
• Highly organized with the ability to prioritize and manage multiple tasks in a fast-paced setting.
• Azure and / or AWS certifications preferred.
• While performing the role you will need to lift up to 25 pounds.
• Approximately 5% travel may be required to support the position’s responsibilities.

American Tower is a global digital infrastructure company serving customers through tower sites and other real estate solutions that support connectivity and opportunity, focused on achieving our vision of Building a More Connected World. Our success is rooted in the potential of our people and the power of local teams at our offices and sites across 25 countries.

We are one of the largest global Real Estate Investment Trusts (REITs) and a publicly traded (NYSE : AMT), Fortune 500 Company headquartered in Boston, Massachusetts. The next decade will be an exciting time as we evolve our infrastructure to meet tomorrow’s needs and position our people to elevate their impact, their potential, and our shared success. Come grow your career with us!

For more information about how American Tower is building a more connected world, visit americantower.com.

American Tower is proud to be an equal opportunity employer and will not discriminate against an applicant or employee based on age, sex, sexual orientation, gender identity, race, color, creed, religion, national origin or ancestry, citizenship, marital status, familial status, disability, military or veteran status, genetic information, pregnancy, reproductive decisions, or any other characteristic protected under applicable law.