Senior DevOps Engineer

About the Position

WeAreBrain is looking for a Senior DevOps Engineer to take ownership of AWS cloud infrastructure or in theory can set up any similar EU-based cloud providers, Kubernetes environments, CI/CD automation, observability, security, and cost optimization across multiple client and internal projects.

This role is ideal for someone who enjoys solving complex infrastructure challenges, improving engineering processes, and working closely with development teams and clients to build reliable, secure, and scalable platforms.

Responsibilities

Cloud Infrastructure Ownership

• Design, implement, and maintain cloud infrastructure on AWS + EU-based (Scaleway).
• Work with services such as EKS, EC2, Lambda, RDS, ElastiCache/Valkey, S3, CloudFront, Route53, ECR, VPC, IAM, Cognito, Firehose, and related AWS services.
• Support infrastructure for both modern cloud-native applications and legacy systems.
• Lead infrastructure migration and modernization initiatives.

Kubernetes and Platform Engineering

• Build, manage, and improve Kubernetes/EKS environments.
• Maintain Helm charts, deployment templates, and environment configuration.
• Improve scalability, reliability, and deployment consistency across environments.
• Help define reusable infrastructure patterns for multiple projects and clients.

CI/CD and Automation

• Build and maintain CI/CD pipelines using tools such as GitHub Actions.
• Automate infrastructure provisioning, application deployments, environment setup, and operational tasks.
• Improve release reliability, rollback processes, and deployment visibility.
• Promote Infrastructure as Code practices using tools such as Terraform.

Observability and Reliability

• Implement and improve observability using Grafana, Loki, Tempo, Mimir, OpenTelemetry/Grafana Alloy, and/or similar tools.
• Support migration from tools such as NewRelic to a modern LGTM-based observability stack.
• Define dashboards, alerts, SLOs, and monitoring standards.
• Help engineering teams understand logs, metrics, traces, and performance bottlenecks.

Security and Access Management

• Improve cloud and infrastructure security posture.
• Work with IAM, IAM Identity Center/SSO, SCPs, Permission Boundaries, Cognito, secrets management, and access control.
• Support secure networking, VPN/private access models, and environment isolation.
• Help ensure infrastructure follows client security requirements and internal best practices.

Cost Optimization

• Analyze and optimize cloud costs across projects.
• Identify inefficient resources, over-provisioning, unused services, and better architecture alternatives.
• Support cost visibility and reporting for project teams and management.
• Balance reliability, performance, and cost-efficiency.

Collaboration and Ownership

• Work directly with developers, tech leads, project managers, and clients.
• Participate in architecture discussions and technical decision-making.
• Provide guidance to engineering teams on DevOps best practices.
• Take ownership of complex technical problems from investigation to resolution.
• Document infrastructure, processes, runbooks, and operational decisions.

Requirements

• Strong hands-on experience with AWS cloud infrastructure.
• Production experience with Kubernetes.
• Experience with Terraform or similar Infrastructure as Code tools.
• Strong understanding of CI/CD pipelines and deployment automation.
• Experience with monitoring, logging, tracing, and alerting systems.
• Good knowledge of Linux, networking, DNS, TLS/SSL, load balancing, and cloud security.
• Experience managing production systems with real reliability and availability requirements.
• Ability to troubleshoot complex infrastructure and application issues.
• Good communication skills and ability to explain technical topics clearly to both technical and non-technical stakeholders.

Nice to Have

• Experience with Grafana LGTM stack: Loki, Grafana, Tempo, Mimir, Alloy.
• Experience with OpenTelemetry instrumentation and distributed tracing.
• Experience with NewRelic migration.
• Experience with IAM Identity Center, SCPs, Permission Boundaries, and enterprise AWS account governance.
• Experience with serverless architecture, especially AWS Lambda.
• Experience with media, streaming, CDN, SSAI, or high-traffic platforms.
• Experience with multi-tenant platforms and isolated customer environments.
• Experience with FluxCD, ArgoCD, Helm, or GitOps practices.
• Experience supporting development teams in an outsourcing or agency environment.

We Offer

• Opportunity to work on challenging and impactful projects.
• Collaborative and dynamic work environment.
• Chance to grow and learn from experienced professionals.
• Flexible working hours and remote work options.

About the Company

WeAreBrain is a leading technology company specializing in cloud infrastructure, DevOps, and software development. We work with a diverse range of clients across various industries, providing innovative solutions to complex technical challenges.

Apply now to join our team and help us build the future of cloud infrastructure!