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Devops Engineer

Hire ResolveJohannesburg, ZA

16 days ago

Job description

Job title : Devops Engineer

Job Location : Gauteng, Johannesburg

Deadline : November 03, 2025

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Job Description

A leading Telecom company is looking for a DevOps Engineer to join their team in Johannesburg, GP. The DevOps Engineer will design, implement, and manage on-premises and hybrid cloud infrastructure, focusing on automation, scalability, and security. This requires expertise in CI / CD, infrastructure automation, and networking to streamline processes using tools like Docker, Kubernetes, Ansible, and Terraform.

The role specifically supports data-intensive platforms such as Apache NiFi, Kafka, Spark, Trino, and MinIO, ensuring telecom-regulatory compliance and multi-tenant high availability. Additionally, the engineer will provide technical leadership, mentor junior team members, and drive DevOps best practices.

Responsibilities :

Design, build, and maintain on-premises and hybrid cloud infrastructure, ensuring scalability, fault tolerance, and high availability to support business-critical and regulatory applications.

Automate provisioning and configuration management using Ansible, Terraform, or Puppet, reducing manual effort and ensuring consistency.

Support air-gapped deployments and complex networking requirements in regulator or operator data centres.

Develop and enhance CI / CD pipelines (Jenkins, GitLab CI / CD, ArgoCD) to support frequent, reliable releases.

Implement automated deployment strategies (blue-green, canary releases) to minimize downtime.

Integrate security and compliance checks directly into the CI / CD process.

Support ingestion and processing stacks based on Apache NiFi, Kafka, Spark, Trino, and MinIO / Hudi.

Ensure pipelines are optimized for high throughput telecom / financial data.

Collaborate with data engineers on schema evolution, versioning, and large-scale ETL / ELT jobs.

Configure and manage HAProxy, firewalls (UFW / iptables), VPNs, and secure ingress services (SFTPGo, Keycloak for IAM).

Implement HA / DR strategies with strict uptime SLAs (99.9%+).

Apply security best practices (encryption, access control, logging, compliance with GDPR / local laws, ISO 27001).

Manage monitoring and observability tools (Prometheus, Grafana, ELK / EFK, Fluentd / Fluentbit, Alertmanager) for full visibility of infrastructure and pipelines.

Lead incident response, perform RCA, and proactively resolve bottlenecks.

Define and track SLAs for ingestion latency, uptime, and recovery time.

Work with cross-functional teams (developers, data engineers, regulators) to align infrastructure with project goals.

Mentor junior engineers, share best practices, and lead DevOps initiatives.

Produce comprehensive documentation and knowledge transfer packages for regulator IT teams during handover.

Requirements :

Bachelor's degree in computer science, Computer Engineering, or a related field.

7+ years DevOps experience in on-premises and hybrid environments with strong Linux (RedHat, Ubuntu, Debian) administration.

Expertise with Infrastructure as Code (Terraform, Ansible, Puppet).

Strong experience with CI / CD platforms (Jenkins, GitLab CI / CD, ArgoCD).

Hands-on expertise with containers and orchestration (Docker, Kubernetes, OpenShift).

Experience with virtualization (KVM, OpenStack) and bare-metal deployments.

Strong scripting / programming (Python, Bash; Go or Ruby a plus).

Strong background in networking, firewalls, load balancers, Keycloak IAM.

Experience with monitoring / logging (Prometheus, Grafana, ELK / EFK, Fluentd).

Deep understanding of security automation, encryption, compliance (GDPR, ISO 27001, telecom-grade data residency rules).

Ability to thrive in multi-tenant, regulator-facing, and SLA-driven environments.

Strong collaboration and communication skills, including remote cross-border teamwork.

Experience mentoring teams and leading DevOps initiatives.

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