Senior Site Reliability Engineer

SUMMARY:

We’re seeking a Site Reliability Engineer with experience in hybrid AWS environments, ideally within regulated or high-compliance settings. You’ll be responsible for improving system reliability, reducing failure domains, and implementing best practices across infrastructure automation, CI/CD, observability, and platform engineering, w...

POSITION INFO:

We’re seeking a Site Reliability Engineer with experience in hybrid AWS environments, ideally within regulated or high-compliance settings. You’ll be responsible for improving system reliability, reducing failure domains, and implementing best practices across infrastructure automation, CI/CD, observability, and platform engineering, while enabling teams to deliver stable, scalable solutions.

 

Responsibilities

• Contributes actively to technical domains such as Site reliability, cloud best practices and DevOps.
• Actively identifies and reduces failure domains, designs and builds resilient systems, and strives to reduce adverse effects of an outage.
• Strong contributor to the objectives of the cross functional team (Architects, Engineers, Business Analysts, Scrum Master, Security, etc.)
• Builds software to minimize effort and business impact during maintenance and failures.
• Synthesize business and technical requirements to deliver business value.
• Mentor engineers on the team to improve technology and apply best practices.
• Encourages and enhances inter-team execution and collaboration.

What you'll do:

• Contribute to site reliability, cloud engineering, and DevOps practices, improving platform stability and scalability.
• Work hands-on within a hybrid AWS environment, ideally in PCI-DSS / financial services settings.
• Design and build resilient systems, reducing failure domains and minimising downtime.
• Implement and manage CI/CD pipelines to support efficient and reliable delivery.
• Automate AWS workloads, including infrastructure provisioning and configuration deployments.
• Enhance observability across environments (monitoring, logging, alerting).
• Troubleshoot and optimise low-latency, Java-based applications within an SRE context.
• Apply SRE principles to improve reliability, performance, and incident response.
• Align solutions with the AWS Well-Architected Framework.
• Collaborate with cross-functional teams to deliver reliable, business-aligned solutions.
• Build automation to reduce manual effort and improve maintainability.
• Translate business and technical requirements into scalable solutions.
• Mentor team members and promote best practices and knowledge sharing.
• Drive collaboration and delivery excellence across teams.

 

Your expertise:

• Must have at least 7+ years hands-on experience in a DevOps / SRE role.
• Hands on work experience in a hybrid (AWS) cloud environment preferably in the financial sector with PCI-DSS compliant systems.
• Implementing CI/CD pipeline automation across functional areas
• AWS workload automation (provisioning infrastructure and custom software configuration rollout)
• Implementing Observability for hybrid and cloud-based environments
• Strong understanding of networking principles and protocols
• Troubleshooting low latency Java based applications in a SRE (Site Reliability Engineering) context
• Proven experience with Site Reliability Engineering principles and practices
• Understanding of the AWS Well-Architected Framework and practices

 

 

 

Technology and Tooling:

Essential:

• AWS Services: EC2, RDS (Postgres Oracle EE), EBS, EKS, ECS, Load Balancing, Secrets Manager, KMS, Service Catalog
• AWS CDK
• Observability tooling: AWS CloudWatch, Splunk / AppDynamics, ELK
• CI/CD platforms (e.g., Harness, Azure DevOps, GitLab or equivalent)
• Operating Systems: Linux and Windows Server

Preferred:

• Python scripting
• AWS CloudFormation
• Ansible
• Bash scripting

Optional:

• Zabbix monitoring
• Keycloak
• ActiveMQ
• WebLogic 14c
• Nginx

Certifications: (Beneficial)

• AWS Certified SysOps Administrator (CloudOps Engineer)
• AWS Certified Solutions Architect – Associate

 

 

Other information applicable to the opportunity:

• Contract position
• Location: Johannesburg

Why work for us?

Want to work for an organization that solves complex real-world problems with innovative software solutions? At iOCO, we believe anything is possible with modern technology, software, and development expertise. We are continuously pushing the boundaries of innovative solutions across multiple industries using an array of technologies. 

You will be part of a consultancy, working with some of the most knowledgeable minds in the industry on interesting solutions across different business domains. 

Our culture of continuous learning will ensure that you will have all the opportunities, tools, and support to hone and grow your craft. 

By joining IOCO you will have an open invitation to developer inspiring forums. A place where you will be able to connect and learn from and with your peers by sharing ideas, experiences, practices, and solutions. 

iOCO is an equal opportunity employer with an obligation to achieve its own unique EE objectives in the context of Employment Equity targets. Therefore, our employment strategy gives primary preference to previously disadvantaged individuals or groups.