Site Reliability Engineer/ Infrastructure Engineer

Site Reliability Engineer / Infrastructure Engineer Critical Manufacturing

Critical Manufacturing is dedicated to empowering high-performance operations to make Industry 4.0 a reality with the most innovative, comprehensive, and modular MES software. We have a global presence, with headquarters and the main technical center in Porto (Maia), Portugal, where we develop a state-of-the-art solution for Semiconductor, Electronics, Medical Devices, and Industrial Equipment.

Recognized as a Leader by Gartner, we are part of ASMPT, the world's largest supplier of best-in-class equipment, and a technological process partner for the electronics and semiconductor industries.

Responsibilities

Administer and maintain physical and virtual infrastructure, including Windows/Linux servers, storage systems, and virtualization platforms (Proxmox, Hyper-V, oVirt)

Operate, monitor, and support hybrid cloud environments, including containerization clusters (on-premises) and infrastructure in Azure and AWS

Design and deliver capacity services, manage service requests and escalated incidents through the Service Desk

Perform user access management, rights enforcement, and directory services operations using Active Directory and Azure Active Directory

Apply system and security updates, conduct routine patching, and implement configuration changes in alignment with security and compliance requirements (e.G., ISO 27001, GDPR)

Support system performance monitoring, capacity management, backup operations, and disaster recovery readiness

Contribute to automation initiatives using scripting languages (e.G., PowerShell, Bash) and infrastructure-as-code tools when applicable

Maintain accurate and up-to-date documentation of systems, processes, configurations, and operational procedures

Collaborate with internal teams to support deployments, infrastructure projects, and continuous improvement initiatives

Qualifications

Bachelor's degree in computer science, Information Technology, or a related field;

equivalent practical experience will also be considered

Minimum of 3-5 years of experience in system administration, infrastructure operations, or a comparable role

Proven experience with Windows Server and Linux system administration

Proficiency in directory services and cloud platforms: Active Directory, Azure, and Microsoft 365

Familiarity with virtualization environments, basic networking (DNS, DHCP, VPNs, firewalls) and storage networking

Strong analytical and troubleshooting skills, with the ability to work independently and collaboratively

Excellent English skills – spoken and written

Nice to Have

Hands-on experience with OpenShift, container platforms (Docker/Kubernetes), and hybrid cloud management

Knowledge of Infrastructure as Code tools (e.G., Terraform, Ansible)

Exposure to monitoring and observability platforms (e.G., Zabbix, Prometheus, Grafana)

Experience in environments aligned with ITIL, DevOps, or Agile methodologies

Diversity, Equity and Inclusion At Critical Manufacturing

At Critical Manufacturing, we welcome and encourage applications from individuals of all backgrounds, regardless of disabilities, diverse abilities, identities, or experiences. Our commitment is to create an inclusive environment where everyone has equal opportunities to succeed and thrive.

If you need accommodation during the recruitment process, please let us know - we're happy to support you.

Details

Seniority level: Mid-Senior level

Employment type: Full-time

Job function: Engineering and Information Technology

Industries: Software Development

Site Reliability Engineer/ Infrastructure Engineer • Porto, Portuguese Republic, PT

#J-18808-Ljbffr