At Onoff, we're entering our next phase of growth. Our products continue to expand across markets, our customer base is growing, and the infrastructure behind it all needs to scale with confidence.
We're looking for a Lead DevOps Engineer to help shape and evolve the platform that powers all Onoff products. This is a hands-on leadership role where you'll combine technical expertise with team leadership, helping us build reliable, scalable, and cost-efficient systems for the future.
You'll spend most of your time solving technical challenges, while also mentoring a talented DevOps team and helping drive infrastructure strategy across the company.
Why Join Onoff?This is an opportunity to have a direct impact on the reliability, scalability, and performance of products used by customers around the world.
What We Offer💡 Ownership & Impact – Play a key role in shaping the infrastructure behind all Onoff products
🌍 Global Scale – Build systems that support growing products and international expansion
🤝 Strong Collaboration – Work closely with engineering, product, and leadership teams
🌎 Flexibility – Work in a way that supports both productivity and work-life balance
💰 Competitive Compensation – We invest in people who raise the bar
🏖 Extra Time Off – Because sustainable performance matters
🩺 Private Health Plan – We've got your back
✈️ Travel Budget – Inspiration shouldn’t be limited to your desk OR 🌿 Wellbeing Budget via Stebby – Because feeling good matters too.
📚 Continuous Learning – Stay curious, stay evolving
🎉 Culture That Feels Real – Smart people, good vibes, and yes, we celebrate wins properly
💡 Lead & Mentor – Guide and develop a team of DevOps engineers while staying hands-on with technical challenges.
☁️ Build for Scale – Design, operate, and evolve AWS and Kubernetes infrastructure that supports Onoff's global growth.
🚀 Drive Automation – Improve Infrastructure as Code, CI/CD pipelines, and operational workflows to increase efficiency and reliability.
📊 Ensure Reliability – Own monitoring, observability, incident management, and continuous improvements to platform performance.
🔒 Optimise & Protect – Balance cloud costs, security, disaster recovery, and business continuity to keep our platform resilient.
🤝 Collaborate & Influence – Partner with engineering, product, and leadership teams to align infrastructure with business goals.
🛠 What You Bring✔ Proven experience leading DevOps, Platform, or Infrastructure teams in SaaS, telecom, or large-scale technology environments
✔ Strong expertise in AWS, Kubernetes, CI/CD, and Infrastructure as Code
✔ Experience with observability, monitoring, and incident management tools (Grafana, Prometheus, etc.)
✔ A hands-on leadership mindset: you enjoy mentoring others while staying close to the technology
✔ Strong technical judgement: you balance reliability, scalability, security, and cost
✔ A continuous improvement mentality: you automate, optimise, and challenge the status quo
✔ Startup energy: you move fast, take ownership, and thrive in a growing environment
If you're excited by the challenge of building and scaling infrastructure that supports products used globally, we'd love to hear from you.
Send us your CV 📩 and let's talk.
Skills Required
- Proven experience leading DevOps, Platform, or Infrastructure teams in SaaS, telecom, or large-scale technology environments
- Strong expertise in AWS
- Strong expertise in Kubernetes
- Strong expertise in CI/CD
- Strong expertise in Infrastructure as Code
- Experience with observability, monitoring, and incident management tools (e.g., Grafana, Prometheus)
- Hands-on leadership mindset with team mentoring experience
- Demonstrated technical judgement balancing reliability, scalability, security, and cost
- Continuous improvement mentality and automation focus
- Startup energy: ownership, fast execution, adaptability in a growing environment
What We Do
Onoff is a French telecommunications company that provides cloud-based mobile telephony through smartphone and web applications. Its services let individuals and businesses use multiple mobile numbers without additional SIM cards or phones, while Onoff Business enables employers to assign and manage numbers, calls, SMS, contacts, voicemail, reporting, and integrations for teams. The company combines mobile-app and cloud technologies to make communications more flexible, economical, and environmentally friendly.






