Empresa:

GreatLab

Descrição da Função

DevOps Engineer Job Description (Servers, Security, CI/CD, In-House Infrastructure)

Location: On-site (Setúbal, Portugal)

Employment Type: Full-time

Salary: €32-€45k

About the Role

We are looking for a DevOps Engineer to manage and secure our in-house infrastructure, automate deployments, and optimize our CI/CD pipeline. You will be responsible for server management, security enforcement, networking, and infrastructure automation.

Chance to work Hybrid

Responsibilities

1? Server & Infrastructure Manageme

• ntManage and maintain Linux-based servers (Ubuntu, Debian, CentO
• S)Deploy and monitor on-premises servers, networking, and power system
• s.Implement high availability (HA) and failover strategies for critical servi
• ceOptimize server performance, storage, and backu
• psMaintain and scale a hybrid cloud setup (AWS, on-prem, and private cloud infrastructure).

2? 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.

3? Security & ComplianceSet 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.

4? Networking & Office IT

• SecurityConfigure VLANs to separate office traffic from DevOps infrastructure.
• Server setup basics required & will have consulting adviceSet up Wi-Fi segmentation (secure internal network vs. general office Wi-Fi).
• Implement real-time power monitoring (Smart PDUs,Energy Meter at the breakerpanel).

5? Monitoring, Backups & Disaster

• RecoverySet up monitoring for servers and network.
• Implement automated alerts (Slack, email) for CPU spikes, outages, and security threats.
• Maintain regularbackups (AWS S3, on-prem NAS, offsite redundancy).
• Plan and test disaster recovery scenarios to minimize 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, orsimilar).

Knowledge of networking (firewalls, VLANs, VPNs, BGP,routing).

Familiarity with security best practices (SSH hardening, IDS/IPS, accesscontrol).

Experience managing Docker, Kubernetes, or containerized environments.

Comfortable managing physical hardware (rack-mounted servers, PDUs, UPSsystems).

Understanding of database administration (PostgreSQL, MySQL, orMongoDB).

Experience with monitoring/logging tools (Grafana, Prometheus, ELK stack).

Nice to Have (Preferred Skills)

Experience working with Hybrid Cloud (AWS, Proxmox, OpenStck, etc.).

Hands-on experience with hardware setup & data center operations.

Familiarity with IaC tools (Terraform, Ansible, SaltStack).

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.

Check us out her:

Observações

Setúbal (Portugal)