Systems Engineer | SOC

FUJITSU LIMITED（JAPAN）; Lisboa; Híbrido; EUR 40 000 - 65 000; Tempo integral

Resumo da oferta

FUJITSU LIMITED（JAPAN） is seeking a Systems Engineer in Lisbon. You will maintain and secure Linux systems in high-availability environments, monitoring infrastructure, managing core services, and supporting automation in a fast-paced SOC.

The successful candidate will have strong Linux administration skills, NOC/SOC experience, and proficiency in networking fundamentals. This role offers a hybrid work model with regular on-site presence at client offices.

Qualificações

• Strong experience in Linux administration in enterprise environments.
• Experience in NOC/SOC or 24x7 operations.
• Hands-on experience with networking fundamentals, including TCP/IP, DNS, DHCP.

Responsabilidades

• Administer and maintain Linux systems in high-availability environments.
• Monitor systems regarding availability, performance, capacity, and security.
• Troubleshoot complex issues across OS, network, storage, and applications.
• Manage core services like SSH, Nginx, and Apache.

Conhecimentos

Linux administration

Networking fundamentals

Scripting/automation skills

Check Point firewalls

Palo Alto firewalls

Virtualization platforms

Ferramentas

Bash

Python

Ansible

Zabbix

Prometheus

Grafana

Descrição da oferta de emprego

Job Location: Lisbon

Location Flexibility: Primary Location Only

Req Id: 8127

Posting Start Date: 6/18/26

About The Role

As a Systems Engineer within the Security Operations Center (SOC), you will maintain and secure Linux-based systems in high-availability environments while ensuring stability and performance. You will monitor and troubleshoot infrastructure, manage core services and network components, and support automation and virtualization - working in a fast-paced SOC environment with real impact on critical systems.

Key Responsibilities

• Administer and maintain Linux systems (RHEL, Ubuntu, Debian, CentOS) in high-availability environments
• Monitor systems (availability, performance, capacity, security) in a SOC/NOC context
• Troubleshoot complex issues across OS, network, storage, and applications
• Manage core services (SSH, systemd, Nginx, Apache, Tomcat, DNS, DHCP, NFS, etc.)
• Configure and maintain:
  • Network devices (switches)
  • Firewalls: Check Point and Palo Alto
• Implement security best practices (hardening, patching, access control, firewalls)
• Manage storage (LVM, RAID, iSCSI, filesystems) and backup lifecycle (execution, validation, recovery)
• Automate tasks using Bash, Python, Ansible or similar tools
• Support virtualized environments (VMware, Proxmox)
• Produce technical documentation (runbooks, procedures, diagrams)
• Propose improvements in security, performance, and scalability

What We Are Looking For

• Strong experience in Linux administration (enterprise environments)
• Experience in NOC/SOC or 24x7 operations
• Hands-on experience with:
  • Networking fundamentals (TCP/IP, DNS, DHCP)
  • Check Point and Palo Alto firewalls
  • Virtualization platforms
• Scripting/automation skills (Bash, Python, Ansible)

Bonus If You Have

• Linux certifications (RHCSA, RHCE, LPIC)
• Experience with monitoring tools (Zabbix, Prometheus, Grafana)
• Knowledge of Zero Trust security models
• Exposure to cloud or container platforms

Work Model

• Hybrid model
• Regular on-site presence at client offices in Lisbon
• Possible on-call / operational support rotation