Infrastructure Engineer (Senior)

ATS Client; Pretoria; On-site; ZAR 900,000 - 1,500,000; Full time

Job summary

ATS Client in Pretoria is seeking a Senior Infrastructure Engineer with a backend focus to join a high-performing product team. You will design, build, deploy, and operate backend services using Java and Quarkus, with exposure to cloud-native DevOps while contributing to frontend work when required.

You will implement automated tests, provide Tier-3 production support, and help ensure scalable, reliable, and compliant digital solutions across the stack.

Qualifications

• 5+ years experience in a mid-to-senior technical role.
• 7+ years total professional IT experience.
• Experience with DevOps in cloud-native environments.
• Strong Java backend and Quarkus experience.

Responsibilities

• Participate in analysis, design, development, testing, and deployment within an Agile/DevOps model.
• Design, build, deploy, and operate backend services using Java and modern frameworks.
• Contribute to frontend development where required, working with Angular-based applications.
• Implement automated unit and integration tests to ensure quality and reliability.
• Support production systems as part of a Tier‑3 DevOps operational support role.
• Troubleshoot and resolve complex incidents to ensure high availability of critical systems.
• Plan and execute upgrades to applications, tools, and platforms.
• Create and maintain system documentation, SOPs, and technical artifacts.
• Build cloud-native solutions to support scalability, resilience, and business agility.

Skills

DevOps

Backend Dev

Java

Quarkus

API Design

Kafka

PostgreSQL

SQL

JUnit

Docker

Git

GitHub Actions

Maven

Education

Relevant IT Degree

5+ years senior experience

7+ years total IT experience

Tools

Angular

AWS

Azure

Kubernetes

TypeScript

Figma

Job description

Job Description We are looking for a Senior Infrastructure Engineer / Backend-focused DevOps professional to join a high-performing product team delivering compliant, scalable, and highly available digital solutions. The role focuses on building, operating, and improving backend systems within an agile, cloud-native DevOps environment, with exposure to full-stack development.

Key Responsibilities

• Participate in system analysis, solution design, development, testing, and deployment within an Agile/DevOps model
• Design, build, deploy, and operate backend services using Java and modern frameworks
• Contribute to frontend development where required, working with Angular-based applications
• Implement automated unit and integration tests to ensure quality and reliability
• Support production systems as part of a Tier‑3 DevOps operational support role
• Troubleshoot and resolve complex incidents to ensure high availability of critical systems
• Plan and execute upgrades to applications, tools, and platforms
• Create and maintain system documentation, standard operating procedures, and technical artifacts
• Build cloud-native solutions to support scalability, resilience, and business agility

Requirements

Essential Skills & Experience

• DevOps & Operations: Production support, incident resolution, system reliability
• Backend Development:
  • Java
  • Quarkus framework
  • API design and integration
  • Messaging frameworks (JMS, Kafka)
• Databases: PostgreSQL, strong SQL skills
• Testing: JUnit or similar unit testing frameworks
• Containers: Docker (building and running container images)
• Version Control: Git (GitHub Enterprise)
• CI/CD: Build and deployment pipelines using GitHub Actions
• Build Tools: Maven

Advantageous Skills

• Cloud platforms: AWS or Azure
• Frontend technologies: Angular, HTML, CSS, JavaScript, TypeScript
• Familiarity with frontend frameworks and libraries (e.g., Angular ecosystem, jQuery)
• UX awareness and experience working with Figma

Qualifications

• Relevant IT Degree or equivalent experience
• 5+ years experience in a mid‑to‑senior technical role
• 7+ years total professional IT experience