Site Reliability Engineer (SRE)

Impronics Technologies; Johannesburg; On-site; ZAR 900,000 - 1,300,000; Full time

Job summary

Impronics Technologies in Johannesburg seeks a seasoned Site Reliability Engineer (SRE) with a solid background in payments and high-availability architectures. You will design, build, and maintain scalable payment platforms, ensure uptime and performance through monitoring and incident response, and collaborate with software and DevOps teams to optimize CI/CD pipelines.

The role requires deep experience with Linux, cloud platforms, and security practices to keep mission-critical financial

Qualifications

• 8+ years in infrastructure engineering or SRE roles, with 3+ years in payments/fintech.
• Strong knowledge of payment protocols (UPI, RTGS, NEFT, SWIFT) and transaction processing.
• Proficient in Linux systems administration and cloud platforms (AWS, GCP, Azure).
• Experience with monitoring/logging tools such as Prometheus, Grafana, ELK, Splunk.
• Automation scripting in Python, Shell, or Go for operational tasks.
• Incident management, SLAs, and troubleshooting in high-pressure environments.
• Familiarity with PCI-DSS and ISO 27001 security/compliance practices.

Responsibilities

• Design, build, and maintain scalable, resilient, and secure infrastructure for high-volume payment platforms.
• Ensure system uptime, reliability, and performance through monitoring, alerting, and incident response strategies.
• Collaborate with software engineering and DevOps teams to implement CI/CD pipelines and improve deployment efficiency.
• Proactively identify and mitigate system bottlenecks, failures, and potential points of failure.
• Manage disaster recovery strategies, failover planning, and performance testing for critical payment services.
• Work with development teams to ensure services are designed for reliability, scalability, and observability from the ground up.
• Participate in root cause analysis and post-incident reviews to prevent future outages.

Skills

SRE experience

Payments domain

Linux admin

Cloud platforms

Kubernetes

Scripting (Python, Shell, Go)

Incident management

Security/compliance (PCI-DSS/ISO27001)

Tools

Prometheus

Grafana

ELK Stack

Splunk

Kafka

Redis

JMeter

LoadRunner

Mockito

WireMock

Microcks

Job description

We are seeking a seasoned Site Reliability Engineer (SRE) with a solid background in payment systems and high-availability architectures. The ideal candidate will have hands‑on experience managing large‑scale, distributed systems in production, with a deep understanding of reliability, scalability, and performance tuning in the financial services or payments industry.

Key Responsibilities:

• Design, build, and maintain scalable, resilient, and secure infrastructure for high-volume payment platforms.
• Ensure system uptime, reliability, and performance through effective monitoring, alerting, and incident response strategies.
• Collaborate with software engineering and DevOps teams to implement CI/CD pipelines and improve deployment efficiency.
• Proactively identify and mitigate system bottlenecks, failures, and potential points of failure.
• Manage disaster recovery strategies, failover planning, and performance testing for critical payment services.
• Work with development teams to ensure services are designed for reliability, scalability, and observability from the ground up.
• Participate in root cause analysis and post‑incident reviews to prevent future outages.

Required Skills & Experience:

• 8+ years of overall experience in infrastructure engineering or SRE roles, with at least 3+ years in the payments/fintech domain.
• Strong understanding of payment protocols (UPI, IMPS, RTGS, NEFT, SWIFT, etc.) and transaction processing systems.
• Proven expertise in Linux systems administration, cloud platforms (AWS, GCP, or Azure), and container orchestration (Kubernetes).
• Solid experience with monitoring/logging tools like Prometheus, Grafana, ELK Stack, Splunk, etc.
• Proficiency in one or more scripting languages (Python, Shell, Go, etc.) for automation.
• Experience with incident management, SLAs, and system troubleshooting in high‑pressure environments.
• Familiarity with security and compliance practices in the financial sector (e.g., PCI‑DSS, ISO 27001).

Preferred Qualifications:

• Previous experience supporting mission‑critical applications in banking or financial services.
• Exposure to Kafka, Redis, or other real‑time streaming and caching technologies.
• Experience with Site Reliability Engineering principles and implementing SLOs/SLIs.
• Understanding of the Error Budget (EL) concept and how it ties into availability and release decisions.
• Experience on any performance testing tool like K6, JMeter, LoadRunner.
• Familiarity with mocking tools like Mockito, WireMock, Microcks.