At Northern.tech, our mission is to Secure the World's Connected Devices. With a global team based in Oslo, Norway, and California, USA, we are dedicated to creating a safer, connected world. We value teamwork, continuous learning, optimism, and helping others succeed in a meaningful and enjoyable work environment.

About the role

We are seeking a highly motivated and experienced Senior Site Reliability Engineer to join our team. You will play a critical role in ensuring the security, reliability and performance of our core services, contributing to a culture of automation, observability, and continuous improvement. You'll be a key contributor to our platform engineering efforts, enabling our engineering teams to build and deploy high-quality applications with confidence. Note: this role is located in Costa Rica only.

The main responsibilities in this role include:

• Security Integration: Integrate security best practices into all aspects of the SRE lifecycle, from design and deployment to monitoring and incident response. Participate in security reviews and threat modeling exercises. Be part of the Northern.tech security team.
• Design & Automation: Design, build, and maintain highly automated infrastructure and deployment pipelines using Infrastructure-as-Code (IaC).  Focus on self-healing systems and proactive problem prevention.
• Incident Management: Lead incident response efforts, conduct post-incident reviews (blameless postmortems), and drive improvements to prevent future occurrences. 
• On-call: Participate in an on-call rotation to respond to and resolve production incidents; a mandatory background check will be conducted to ensure a safe and secure environment.
• Observability & Performance: Implement and maintain comprehensive observability solutions (metrics, logs, traces) to identify and resolve performance bottlenecks and reliability issues. Develop and refine alerting and incident response processes.
• Collaboration: Partner closely with engineering, security, and product teams to ensure alignment on reliability goals and best practices.
• Cost Optimization: Identify and implement strategies to optimize cloud resource utilization and reduce operational costs.
• Support: Provide first-line support to the internal users and second/third-line support to the external users of our supported services.
• Access Management: Manage user access and access policies for services.

About you

You are a proactive individual who does what it takes to ensure the team's success. You care deeply about the quality of the team's work and the efficiency with which that quality can be delivered.

Required skills and experience

• Experience: 5+ years of experience in Site Reliability Engineering or a related field.
• Kubernetes mastery: Deep expertise in architecting, deploying, and managing Kubernetes clusters at scale. Experience with managed Kubernetes services (e.g., AKS, EKS, GKE).
• Infrastructure as Code (IaC): Proficiency with IaC tools (Terraform strongly preferred, CloudFormation acceptable).
• Cloud proficiency: Extensive experience with at least one major cloud provider (AWS preferred, Azure or GCP acceptable).
• Observability stack: Hands-on experience with observability tools (Prometheus, Grafana, ELK/Elasticsearch, New Relic).
• Scripting & programming: Proficiency in at least one scripting language (Bash, Python) and desired experience with Go.
• CI/CD pipelines: Experience designing and implementing CI/CD pipelines (GitLab CI, GitHub Actions).
• NoSQL databases: Experience deploying and managing NoSQL databases.

Desired skills and experience

• Contributions to open-source projects.
• Knowledge of security frameworks and compliance standards (e.g., SOC 2, GDPR, SLSA).
• MongoDB experience.
• Coding experience beyond simple scripts.
• Experience with platform engineering principles and practices.

About us

Northern.tech is an international and innovative team based in Oslo, Norway and California, USA who have set out on a mission to “Secure the World’s Connected Devices.”

We have a strong belief in our company culture, and think that every day at work should be enjoyable and meaningful.

We’re looking for team players. We’re looking for people who love to learn. We’re looking for optimists. We’re looking for those who bring out the best in others. We’re looking for people who can grow. We’re looking for people who are different.

We offer:

• Fair pay & benefits
• Flexible working hours & vacation time
• Generous parental and family leave

and more benefits. Read about careers at Northern.tech.