Senior Site Reliability Engineer

Company Description
What started in 2007 with
a pizza and a plan
has grown into a fast-moving SaaS company empowering manufacturers, distributors, and wholesalers to thrive in complex B2B commerce.

Our mission is simple: help businesses build stronger relationships through seamless digital commerce.

At Sana Commerce, you'll join a team that's bold, growth-oriented, and customer-obsessed, where every engineer has real ownership and impact.

About The Role
We're looking for a Senior Site Reliability Engineer (SRE) to enhance the reliability, performance, and scalability of our global e-commerce platform.

You'll play a critical role in building resilient systems, automating infrastructure, and driving observability across Azure and Kubernetes environments.

This is a hands-on engineering role where you'll blend reliability strategy with real-world execution, keeping today's systems healthy while shaping the ones we'll depend on tomorrow.

Job Description
What you'll do

• Lead incident response and postmortems, drive investigations, document learnings, and implement permanent fixes to prevent recurrence.
• Manage and optimize Azure Kubernetes environments, own cluster configurations, performance, cost control, and security best practices.
• Build observability systems, develop dashboards, alerts, and metrics using Dynatrace, Honeycomb, ElasticSearch, Grafana/Kibana, and Azure Monitor (KQL).
• Automate for resilience, write reliable scripts in PowerShell, Bash, Python, or C#, embedding logging, rollback, and version control.
• Implement Infrastructure-as-Code, design and maintain Terraform, Bicep, or ARM templates to standardize and automate deployments.
• Optimize system performance, identify bottlenecks through deep monitoring, dump analysis, and right-sizing of cloud resources.
• Collaborate across engineering teams, integrate reliability principles into CI/CD pipelines and the broader SDLC.
• Participate in on-call rotations, lead during critical incidents, ensuring lasting fixes and operational excellence.

Qualifications
What you'll bring

• 5+ years in SRE, DevOps, or Cloud Infrastructure roles with experience in large-scale, distributed systems.
• Strong Azure and Kubernetes expertise (production-level).
• Proven ability in observability engineering using Dynatrace, Honeycomb, Elastic, Grafana/Kibana, or Azure Monitor.
• Skilled in PowerShell, Bash, Python, or C#, with an automation-first mindset.
• Proficient in Infrastructure-as-Code (Terraform, Bicep, ARM).
• Solid grasp of TCP/IP, networking fundamentals, and performance tuning.
• Strong communicator able to translate complex technical findings into clear, actionable insights.

• Certifications preferred:

• Microsoft Certified: Azure Administrator Associate

• Certified Kubernetes Administrator (CKA)

Why you'll love working here

• Impact from day one – Join a scale-up where your ideas shape how global businesses operate online.
• Continuous learning – Access a structured onboarding rated 9.1/10 by previous hires, mentorship, and feedback culture.
• Hybrid flexibility – Work from our Cape Town office 3 days per week and from home 2 days.
• Career growth – Expand your technical and leadership scope in a company built for long-term success.

Our values
At Sana Commerce, our values drive everything we do:

• Champions of Our League – We deliver lasting success, balancing quick wins and long-term value.
• Supercharge Our Customers – We help our customers lead and succeed.
• Determined to Grow – We embrace feedback and challenges to raise the bar.
• Bold Together – We take risks, collaborate deeply, and support each other.

Ready to build reliability that scales?
Apply now and help shape the foundation of our next-generation SaaS platform.