Siemens Tres Cantos, Community of Madrid, Spain
Role Overview
We are seeking a highly skilled and security‑oriented CloudOps Engineer to join our Platform Operations team. The adecuado candidate will be responsible for maintaining, securing, and optimizing our Cloud infrastructure, CI/CD pipelines, and Terraform/OpenTofu‑based deployments. You will work closely with developers, QA, and security teams to ensure robust, scalable, and compliant cloud environments.
Key Responsibilities and Related Tasks
- Cloud Infrastructure: Manage and secure AWS services: EC2, ECS (tasks), Lambda, RDS, EFS, S3, ECR, VPC, IAM, CloudTrail, SQS, GuardDuty, CloudFront, Route 53, Shield, Direct Connect, NAT Gateway, Load Balancers, API Gateway. Implement and monitor VPC Flow Logs, firewall rules, subnet segmentation, and ring fencing.
- Perform IAM reviews; manage roles and permissions. Configure auto‑scaling, backups, logging, monitoring, failover, DNS configuration, secrets management, and encryption (in transit and at rest).
- IaC (Terraform/OpenTofu) and GitLab. Security and compliance adherence. Implement and update approved protection measures for cloud solutions. Develop and maintain Terraform/OpenTofu modules and pipelines. Apply security and compliance checks (Checkov, Kaniko, etc.). Implement hardening measures and maintain infrastructure diagrams and other documentation.
- CI/CD & Automation (IaC): Manage and troubleshoot pipelines in GitLab, review and approve merge requests, fix bugs and broken pipelines, support developers by provisioning/modifying required components, support on Software Development Lifecycle. Security & Vulnerability Management: manage Cloud Security Tool findings and remediation. Handle SSL certificates management and CloudWatch alerting.
- Collaboration & Support: Provide mentoring on AWS. Handle requests via ticketing tools. Offer OS‑level support and second‑line services. Maintain proactive documentation and contribute to team knowledge base.
Skills & Field Experience
- Fluent in English (spoken and written).
- Strong field experience with AWS services and Terraform/OpenTofu.
- Proficiency in CI/CD tools (GitLab | GitHub, etc.).
- Solid understanding of cloud security, networking, and vulnerability management.
- Familiarity with programming languages and QA testing workflows.
- Experience with monitoring, logging, and incident response in cloud environments.
- Team‑oriented and results‑driven mindset.
- Self‑study and auto‑upskilling.
- +5 years in a similar position.
- Experience in audits and normative adherence.
- Cloud optimizations and reviews (FinOps, performance).
- Docker/Containers field experience.
- Linux/Debian.
- Datadog, WIZ.
- Jira.
Certifications and Related
- Cloud certifications a plus (AWS, Azure).
- SRE, ITIL, AGILE.
- Terraform/OpenTofu (IaC).
Other Technologies
- Programming languages: Python.
What do we offer?
- An environment where everyone can bring their whole self to work and feel a sense of belonging.
- A workplace that values curiosity and guarantees continuous learning, with development opportunities for both personal and professional growth.
- Share matching programs to become a shareholder of Siemens AG.
- A wide range of flexible benefits for you and your family to enjoy. Learn more
At Siemens, we value the diversity of our teams, promote equal opportunities, and foster an inclusive work environment. We welcome talent without distinction, respecting and supporting all forms of diversity. Our Equality Plan, in accordance with current legislation, ensures fair and transparent treatment, and reinforces our commitment to building an increasingly equitable and diverse workplace.
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