DevOps Engineer

Location: Porto, Porto, pt

Company Description

About us

At Jscrambler, our customers are at the heart of everything we do. As leaders in Client-Side Protection and Compliance, we have pioneered the integration of advanced JavaScript obfuscation with third-party tag protection into a unified platform. Our cutting-edge solutions defend against cyber threats, data breaches, and IP theft, empowering businesses to innovate securely while ensuring compliance with critical standards like PCI DSS v4.0.

Trusted by Fortune 500 companies and industry leaders across retail, finance, media, and aviation, Jscrambler protects online interactions at scale, enabling businesses to adopt a future-proof approach to security.

But what truly sets us apart is our culture. At Jscrambler, we thrive on innovation, transforming complex challenges into impactful solutions. Collaboration is at the core of how we work – we support and learn from one another, knowing that the best results come from teamwork. We are proud to uphold the highest standards of ethics and professionalism, always respecting our clients, colleagues, and the company.

When you join Jscrambler, you’re not just joining a company – you’re joining a team that values creativity, knowledge sharing, and meaningful impact. We don’t just adapt to the future of cybersecurity – we shape it. Together, let’s innovate and secure the digital world.

Job Description

Role

As a DevOps Engineer, you will contribute to maintain and optimize our scalable, secure, and automated infrastructure across cloud and hybrid environments, including bare metal platforms. You will play a key role in building highly reliable systems, enabling fast and safe software delivery through advanced CI/CD pipelines and infrastructure automation, while ensuring cost efficiency, security, and operational excellence.

You’ll also work with containerized environments, support security and compliance best practices across the DevOps lifecycle, and implement robust monitoring and alerting systems. Your responsibilities  will include responding to incidents, improving performance, driving continuous improvement initiatives, and staying at the forefront of emerging technologies.

This is a collaborative role where your technical expertise will be key to drive the adoption of modern DevOps tools. You will actively contribute to the execution of the DevOps roadmap, ensuring our infrastructure evolves to meet the needs of our product.

Key Responsibilities

• Design, implement, and maintain scalable, secure, and automated infrastructure across local, hosted, cloud, and bare metal environments using Infrastructure as Code (IaC).
• Assist in the provisioning, operation, and troubleshooting of bare metal servers, including hardware diagnostics, OS-level debugging, performance tuning, and incident resolution in production environments.
• Maintain and optimize CI/CD pipelines to ensure efficient, reliable, and repeatable software delivery processes.
• Manage and support containerized application environments using Docker and Kubernetes, adhering to best practices for orchestration, deployment, and lifecycle management.
• Deploy, configure, and maintain high-throughput streaming architectures, ensuring their stability and performance.
• Execute security and compliance across the DevOps lifecycle, including secure pipeline configurations, secrets management, and infrastructure hardening.
• Implement and maintain robust monitoring, logging, and alerting systems to ensure system reliability, performance, and rapid incident response.
• Actively contribute to project planning and sprint execution, ensuring alignment between infrastructure goals and broader product delivery timelines.
• Stay up to date with emerging DevOps tools and practices, and promote their adoption across the team to maintain technical excellence and operational efficiency.

Qualifications

Experience and Qualifications

• Infrastructure as Code & Provisioning: Proficiency in tools like Ansible and Terraform for automated server and service provisioning.
• Bare Metal Infrastructure: Experience with bare metal environments, including server provisioning, hardware troubleshooting, OS-level debugging and network diagnostics.
• Containerization & Orchestration: Proficiency with Linux containers (e.g., Docker) and container orchestration platforms such as Kubernetes (our core orchestration layer).
• Networking & Security: Strong understanding of network and firewall management (e.g., iptables), as well as WAFs (preferably Cloudflare WAF) and Zero Trust access solutions (e.g., Teleport Cloud).
• CI/CD & GitOps: Solid experience with CI/CD pipelines using tools such as GitLab CI and ArgoCD for GitOps workflows.
• Monitoring & Logging: Hands-on experience with the Elastic Stack (ELK), FluentBit, and Wazuh for log collection, correlation, and threat detection.
• Observability: Solid knowledge of the Prometheus ecosystem for metrics collection and alerting.
• Databases: Experience with managing and monitoring clustered database setups, including: MongoDB clusters; ClickHouse clusters; PostgreSQL clusters.
•  Operating Systems & Scripting: Strong experience with Linux systems administration and shell scripting (Bash), experience with Python is considered a plus.
• A Degree in Software Engineering, Computer Science, Information Technology, Information Systems, or related field.
• 3–5 years of professional experience in a DevOps, SRE, or Systems Engineering role.

Additional Information

Our Commitment to You

• Immerse yourself in a dynamic space that challenges you to grow personally and professionally.
• Enjoy flexible work policies designed to help you seamlessly integrate your life with your career at Jscrambler.
• Play a vital role in our mission to enhance web security, becoming part of a startup that’s redefining the landscape of cybersecurity.
• Seize the chance to directly impact our business expansion and innovative solutions.
• Benefit from ongoing training and development opportunities to help you reach your full potential.