IT Server Administrator (m/f/d)

Siemens AG; Amadora; Hybrid; EUR 55,000 - 90,000; Full time

Benefits offered by this job

Hybrid model

Health insurance

Learning platforms

Mentoring and development

Job summary

Siemens AG in Portugal is seeking a highly skilled Windows Server, Azure Administrator, and SQL Server DBA to join the IT Operations team. You will administer Windows Server infrastructure, manage Microsoft Azure environments, and oversee SQL Server platforms—primarily on Azure cloud-hosted systems.

You will ensure availability, performance, security, and integrity of database and terminal servers, automate tasks, and support hybrid engineering applications.

Qualifications

• Strong experience in Windows Server administration.
• Hands on experience with Microsoft Azure, including IaaS and Azure Virtual Desktop.
• Proven experience administering Microsoft SQL Server in production environments.
• Practical experience supporting business critical SQL databases for enterprise applications (Engineering/ERP/PLM systems is a plus).
• Advanced PowerShell scripting skills.
• Experience with monitoring solutions (Zabbix, or similar).
• Fluent in English (written and spoken).

Responsibilities

• Install, configure, maintain, and troubleshoot Windows Server operating systems (e.g. Windows Server 2019/2022).
• Administer and manage Microsoft Azure resources, including VNets, NSGs, Load Balancers, Storage Accounts, and AVD environments.
• Monitor Azure consumption and optimize costs.
• Develop and maintain PowerShell scripts to automate tasks.
• Configure and maintain SQL Server backups, HA/DR, and performance tuning.
• Coordinate with vendor teams on performance issues and incidents.

Skills

Windows Server

Microsoft Azure

SQL Server

PowerShell

Zabbix monitoring

ITIL

English proficiency

Tools

Zabbix

Azure Virtual Desktop

SQL Server Management Studio

Job description

At Siemens, we build technology solutions to shape the world we live in. We transform industries and societies by combining the real and digital worlds. With over 300.000 of the world’s most forward-thinking minds and the power of a presence in more than 190 countries, we make a truly global impact.

About Portugal Tech Hub

We take on challenges to make life easier, safer, and more sustainable for us and generations to come. We bring value to the business digitalization transition, from Portugal to the world, in areas such as Artificial Intelligence, Analytics & Business Intelligence, Application Lifecycle Management, Cybersecurity, IT Infrastructure Management, IT Project & Service Management, IT Strategy, User Experience, and many more.

With a decade of history and around 1.600 experts, the Portugal Tech Hub is the home of the new technologists – Dream Builders, Impact Creators & Future Makers.

Are you ready to be part of the change? Come join us!

Your mission will be…

We are seeking a highly skilled and motivated Windows Server, Azure Administrator, and SQL Server DBA to join our IT Operations team. In this role, you will be responsible for the administration, maintenance, and optimization of our Windows Server infrastructure, Microsoft Azure environment, and SQL Server platforms mostly on Azure cloud-hosted systems.

You will play a key role in ensuring the availability, performance, security, and integrity of Database servers and terminal servers (AVDs), while also managing Azure resources, automating routine tasks, and supporting business critical engineering applications.

If you have a passion for hybrid infrastructure, automation, and database reliability in performance sensitive environments, we encourage you to apply.

Key Responsibilities

• Windows Server Administration
• Install, configure, maintain, and troubleshoot Windows Server operating systems (e.g. Windows Server 2019/2022).
• Manage Group Policy Objects (GPOs) and core Windows Server roles and features.
• Perform routine system health checks, patching, and security updates.
• Ensure high availability and disaster recovery for critical on‑premises server systems.
• Manage server hardening, permissions, and service accounts used by application and database services.
• Administer and manage Microsoft Azure resources, including:
• Virtual Networks (VNets), NSGs, Load Balancers
• Storage Accounts
• Manage and optimize Azure Virtual Desktop (AVD) environments, including host pools, application groups, and user profile solutions.
• Implement and maintain Azure security best practices, including IAM, RBAC, and network security.
• Monitor Azure consumption and recommend cost optimization measures.
• Support hybrid scenarios integrating on-premises SQL Server and Azure hosted workloads.
• SQL Server Administration
• Install, configure, upgrade, and patch SQL Server (2019/2022) in accordance with vendor and internal standards.
• Database creation and configuration
• Version upgrades aligned with Eplan application releases
• Monitor and tune SQL Server performance:
• Analyze wait statistics, execution plans, and index usage
• Optimize queries and maintenance plans for Eplan workloads
• Configure memory, MAXDOP, TempDB, and I/O settings appropriate for Eplan usage
• Design and maintain backup and recovery strategies:
• Full, differential, and transaction log backups
• Regular restore testing and disaster recovery validation
• Implement and maintain High Availability and Disaster Recovery (HA/DR) solutions where required:
• Always On Availability Groups (as applicable)
• Manage SQL Server security:
• Logins, users, roles, and permissions according to least privilege principles
• Service accounts and credential management
• Auditing and compliance controls
• Coordinate with application and vendor support teams (AUCOTEC) on:
• Engineering Base performance issues
• Database-related incidents
• Compatibility and upgrade planning
• Automation & Scripting
• Develop, implement, and maintain PowerShell scripts to automate administrative tasks across:
• Windows Server
• SQL Server administration and health checks
• Utilize Azure Automation, runbooks, and Desired State Configuration (DSC) where applicable.
• Automate routine SQL Server validation tasks (disk space, job status, backup verification).
• Monitoring & Alerting
• Configure, maintain, and respond to alerts from enterprise monitoring systems, with a focus on Zabbix.
• Monitor:
• SQL Server availability, performance, and job execution
• Create and maintain dashboards and reports providing insights into infrastructure and database health.
• Proactively identify and remediate potential issues before they impact Engineering Base availability.
• Troubleshooting & Support
• Act as an escalation point for complex infrastructure and database incidents.
• Troubleshoot:
• Engineering Base connectivity and database errors
• Storage latency and resource contention
• Support planned maintenance, upgrades, and incident resolution with minimal service disruption.
• Documentation & Best Practices
• Maintain clear and UpToDate documentation for:
• Server builds and configurations
• SQL Server standards and procedures
• Engineering Base database architecture and recovery processes
• Ensure adherence to IT standards, security policies, and compliance requirements.
• Contribute to continuous improvement of operational processes.

We are looking for someone with…

• Core Experience
• Strong experience in Windows Server administration.
• Hands on experience with Microsoft Azure, including IaaS and Azure Virtual Desktop.
• Proven experience administering Microsoft SQL Server in production environments.
• Practical experience supporting business critical SQL databases for enterprise applications (Engineering/ERP/PLM systems is a plus).
• Technical Skills
• Deep understanding of Windows Server OS, roles, and services.
• Strong knowledge of SQL Server architecture, performance tuning, and backup/recovery.
• Solid understanding of networking concepts (TCP/IP, DNS, firewalls).
• Advanced PowerShell scripting skills.
• Experience with monitoring solutions (Zabbix, or similar).
• Familiarity with ITIL processes and controlled production environments.
• Analytical & Soft Skills
• Strong analytical and troubleshooting skills with attention to detail.
• Ability to manage multiple priorities in performance sensitive environments.
• Clear communication skills for collaboration with infrastructure, application, and vendor teams.
• Ability to work independently and take ownership of critical systems.
• Fluent in English (written and spoken).

What We Offer

• Belong & Innovate: Work in diverse teams where every idea matters and innovation grows through collaboration and trust.
• Flexibility that Works: Hybrid model, flexible hours, and a home office budget — because balance fuels performance.
• Health & Well-being: Comprehensive health insurance, mental health support, and active sports communities to keep you feeling your best.
• Grow Without Limits: Access world-class learning platforms, mentoring, and continuous development opportunities.
• Purpose & Perks: Contribute to sustainability and volunteer initiatives, enjoy partner discounts, and take advantage of our convenient shuttle service.

Please attach your CV in English to your application.

Siemens is deeply committed to fostering a diverse and inclusive environment. We are proud to be an equal opportunity employer and strongly encourage applications from a wide array of talented individuals!