Senior System Administrator
First seen by Alion on Oct 19, 2026.
We’re looking for a skilled System Administrator to take ownership of several of our internal and customer facing services. Our environments are operated within a DevOps-driven, Infrastructure as Code (IaC) culture, and deployed on Kubernetes clusters.
Your responsibilities
Architecture & Design: Audit existing systems, collaborate on system architecture, and help guide technology selection for microservices.
Performance Optimization: Monitor, troubleshoot, and optimize services and systems across multiple datacenters.
Backup & Recovery: Implement robust disaster recovery strategies within Kubernetes environments.
Security: Enforce access control, encryption, and vulnerability management in containerized infrastructure.
Monitoring: Configure monitoring systems for proactive issue identification.
Kubernetes Management: Deploy and maintain database stacks using Infrastructure as Code.
Incident Response: Lead incident response efforts and establish Disaster Recovery Plans.
Your Skills and Experiences
Over 4 years of experience as a System Administrator or Operations Engineer with a strong track record in performance tuning and optimization.
Good communication, troubleshooting and documentation skills.
Advanced knowledge and usage of containerization technologies, using Docker and Kubernetes to run and manage database workloads efficiently.
Proficient in Infrastructure as Code, leveraging tools like Terraform, Ansible and Helm.
Skilled in modern application and system monitoring solutions.
Hands-on experience managing services handling large-scale datasets (terabyte+).
Expertise in both SQL and NoSQL databases.
Experienced in high-availability architectures, on-premise infrastructure and networking.
What we Offer
A collaborative environment where your contributions make a real-world impact.
Work with cutting-edge big data tech that’s shaping a safer tomorrow.
Competitive salary and benefits.
Flexible work arrangements to keep your work-life balance on point.
After a successful onboarding period, you'll have the flexibility to work in a hybrid model in our Braga office or remotely from anywhere in Portugal.
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If this role aligns with your skills and passions, we would be thrilled to receive your application. We look forward to the opportunity to connect with you!
To ensure a smooth application process, please submit your CV in English