Senior DevSecOps Engineer

Location: [Warsaw] 

We Are:
RTB House is a global company that provides state-of-the-art marketing technologies for top brands and agencies worldwide. Its proprietary ad-buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to generate outstanding results and reach their goals at every stage of the funnel. .

You Will:

• Have a pivotal influence on our technology landscape by contributing to the design, implementation, and maintenance of our secure cloud infrastructure, CI/CD pipelines, and deployment automation. By integrating and implementing best-in-class security standards and practices throughout the software development lifecycle, you will proactively identify, address, and prevent vulnerabilities before they impact our systems. You will partner with cross-functional teams to establish and enforce DevSecOps standards, ensuring that security is integrated into every stage of product development and delivery. Through a combination of cutting-edge technology, secure architecture design, and robust automation, your expertise will help us deliver high-quality, reliable, and compliant solutions that drive innovation and strengthen our defensive capabilities.

Desired Experience: 

• Demonstrated ability to take ownership of secure and compliant systems, troubleshoot critical security issues, and implement scalable, security-focused solutions. Experience in mentoring peers, sharing DevSecOps best practices, and driving key projects through hands-on technical contributions with an emphasis on security.
• Proven ability to streamline daily operations by developing automation scripts, refining CI/CD pipelines, and reinforcing cloud infrastructure security to enhance system reliability, performance, and compliance.
• Strong communication skills to engage with engineering teams and stakeholders across the organization. Ability to work across disciplines to align infrastructure, deployment strategies, and security requirements, ensuring seamless integration, operational excellence, and risk mitigation.
• Skilled at addressing complex and unclear technical challenges with a security-first mindset. Capable of analyzing issues, defining objectives and compliance standards, and crafting efficient, secure solutions to meet project goals.
• Commitment to delivering impactful results by prioritizing simple, effective, and secure solutions that enhance system performance. Proficient at identifying when to scale up to advanced tools and security methodologies while maintaining a focus on overall efficiency and compliance in design.
• Fluency in English

Tech Stack

• Google Cloud Platform & On-Prem solutions
• Kubernetes, GCP serverless services
• Argo CD & Argo Workflows
• PostgreSQL, Google Cloud SQL
• GitHub
• Terraform, Terragrunt
• GitHub Actions
• Jenkins

Must have

• 5+ years of experience as a DevSecOps Engineer or in a closely related role
• Significant experience with at least one cloud platform (GCP, AWS, or Azure), with a preference for GCP
• Proficiency in Kubernetes and Helm for container orchestration and management.
• Hands-on experience with CI/CD tools such as GitHub Actions
• Expertise in infrastructure-as-code (IaC) tools like Terraform
• Strong knowledge of Docker for containerization
• Demonstrated experience with shift-left security practices, including self-healing infrastructure and continuous security testing (SAST, DAST, dependency scans).
• Familiarity with a range of security tools (e.g., vulnerability scanners, secrets management platforms, container security solutions)
• Knowledge of encryption methods, access control (IAM), and compliance frameworks
• Experience in container image scanning, threat modeling, and incident response workflows
• A strong commitment to DevSecOps best practices and high-security standards in designed solutions

Good to have

• Experience with GitOps practices and tools (e.g., ArgoCD)
• Familiarity with job scheduling and workflow tools (e.g., Argo Workflows)
• Familiarity with monitoring and error-tracking tools like Sentry
• Knowledge of database systems such as PostgreSQL and Redis
• Understanding of event streaming platforms (e.g., Apache Kafka, GCP Pub/Sub)
• Familiarity with Python programming for security tooling, automation, or scripting tasks
• Exposure to SIEM solutions, zero trust architecture, or advanced threat detection tools

We Offer: 

• Competitive Compensation: We offer an attractive salary package with significant growth opportunities
• Cutting-edge Technology: Engage with the latest technologies on large-scale, dynamic projects
• Wellbeing: extremely flexible working conditions - you work when it is convenient for you and devote as much time as you can; you can work fully remotely
• Purpose-Driven Work: being at the heart of the system, your growing knowledge and competencies will be used in practical applications directly connected to business results

Apply now! 

You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV, and we'll review it.