Job Description
About the Role
We are looking for a DevOps & Infrastructure Engineer to manage and secure our in-house infrastructure, automate deployments, and optimise our CI/CD pipeline. You will be responsible for server management, security enforcement, networking, and infrastructure automation.
Responsibilities
Server & Infrastructure Management
- Manage and maintain Linux-based servers (Ubuntu, Debian, CentOS).
- Deploy and monitor on-premises servers, networking, and power systems.
- Implement high availability (HA) and failover strategies for critical services.
- Optimize server performance, storage, and backups.
- Maintain and scale a hybrid cloud setup (AWS, on-prem, and private cloud infrastructure).
CI/CD & Code Deployment Automation
- Build and maintain CI/CD pipelines using GitHub Actions, GitLab CI/CD, or Jenkins.
- Automate software deployments for web applications and internal tools.
- Maintain self-hosted CI/CD infrastructure (runners, deployment servers).
- Optimize rollbacks, blue-green deployments, and zero-downtime strategies
Security & Compliance
- Set up firewalls, access controls, and server hardening.
- Enforce SSH key-based authentication & disable root login.
- Implement intrusion detection (Snort, Suricata) & fail2ban for SSH security.
- Monitor system logs for suspicious activity and conduct regular security audits.
- Manage encrypted storage, VPN access (WireGuard/Tailscale), and private Git hosting.
- Authentication management w/ ensuring 2FA & other security improvement opportunities
Networking & Office IT Security
- Configure VLANs to separate office traffic from DevOps infrastructure.
- Server setup basics required & will have consulting advice
- Set up Wi-Fi segmentation (secure internal network vs. general office Wi-Fi).
- Implement real-time power monitoring (Smart PDUs, Energy Meter at the breaker panel).
Monitoring, Backups & Disaster Recovery
- Set up monitoring for servers and the network.
- Implement automated alerts (Slack, email) for CPU spikes, outages, and security threats.
- Maintain regular backups (AWS S3, on-prem NAS, offsite redundancy).
- Plan and test disaster recovery scenarios to minimise downtime.
What You’ll Need (Requirements)
- 1+ years of experience in DevOps, Infrastructure, or System Administration.
- Strong experience with Linux (Ubuntu, Debian, CentOS) server management.
- Experience with CI/CD tools (GitHub Actions, GitLab CI, Jenkins, or similar).
- Knowledge of networking (firewalls, VLANs, VPNs, BGP, routing).
- Familiarity with security best practices (SSH hardening, IDS/IPS, access control).
- Experience managing Docker, Kubernetes, or containerized environments.
- Comfortable managing physical hardware (rack-mounted servers, PDUs, UPS systems).
- Understanding of database administration (PostgreSQL, MySQL, or MongoDB).
- Experience with monitoring/logging tools (Grafana, Prometheus, ELK stack).
- Speak perfect English
Nice to Have (Preferred Skills)
- Experience working with Hybrid Cloud (AWS, Proxmox, OpenStack, etc.).
- Hands-on experience with hardware setup & data center operations.
- Knowledge of DDoS protection, reverse proxies (Cloudflare, HAProxy, Traefik).
- Experience with energy monitoring & infrastructure scaling.
What We Offer
- A chance to build and manage an on-prem infrastructure from scratch.
- The opportunity to own security, networking, and server automation.
- A hands-on role in scaling our infrastructure and hybrid cloud setup.
- Work with a team that values security, automation, and fast deployments.
- Competitive salary and the chance to grow with the company.
- Location: On-site (Setúbal, Portugal)
- Full-time
Salary 35-45k per year
Relocation Package Available