Senior DevSecOps Engineer - Cloud Security & SRE Lead

Commit; Województwo mazowieckie; On-site; PLN 260,000 - 380,000; Full time

Job summary

Commit is seeking a Senior DevSecOps Engineer to own our AWS infrastructure and Kubernetes platform, embedding security at every delivery stage and ensuring reliability as we scale.

You will harden cloud and cluster security, implement IaC with Terraform, build secure CI/CD pipelines, and lead incident response and vulnerability management.

Based in Poland, you will collaborate with Python, data and AI teams, maintaining cost efficiency and robust security across production workloads.

Qualifications

• 5+ years in DevOps / SRE / platform engineering.
• 3+ years running AWS and Kubernetes in production.
• Cloud security experience (IAM, KMS, network security).
• Kubernetes security (RBAC, policies, pod security).
• Terraform / IaC.
• SAST and container scanning.
• Observability and incident response (Prometheus, Grafana, ELK).
• Docker and containerization.
• Python and Bash scripting.
• Based in Poland; fluent English.

Responsibilities

• Design, secure and operate AWS infrastructure (EKS/ECS, Lambda, S3, RDS, VPC, IAM).
• Own cloud security: least-privilege IAM, encryption at rest and in transit, secrets management.
• Harden production Kubernetes: RBAC, network policies, pod security standards.
• Manage infrastructure as code with Terraform, including policy-as-code.
• Build CI/CD pipelines with integrated security: SAST, scanning and signing.
• Own monitoring, logging and alerting; lead incident response and post-mortems.
• Run vulnerability management and patching; remediate audit findings.
• Support data and AI workloads securely; keep cloud costs in check.

Skills

DevOps / SRE experience

Cloud security

Kubernetes in production

Terraform / IaC

CI/CD security tooling

Python / Bash scripting

Linux fundamentals

English proficiency

Tools

Terraform

Prometheus

Grafana

ELK/CloudWatch

GuardDuty

Security Hub

ArgoCD

Kubernetes

Job description

Commit is seeking a Senior DevSecOps Engineer to own our AWS infrastructure and Kubernetes platform, embedding security at every delivery stage and ensuring reliability as we scale.

You will harden cloud and cluster security, implement IaC with Terraform, build secure CI/CD pipelines, and lead incident response and vulnerability management.

Based in Poland, you will collaborate with Python, data and AI teams, maintaining cost efficiency and robust security across production workloads.