Systems Administrator

Overview
SYSTEMS ADMINISTRATOR (HYBRID LISBON)
– Portuguese company hires for hybrid positionLocation: Lisbon, PortugalWork Model: HybridLanguage Requirements: English – Professional Proficiency (Mandatory), French – Basic knowledge (Preferred)Seniority: Senior (5+ years)Sector: BankingRate: Between €*** RV / €*** CTIInstructions: Please send your CV in English and include all skills and experience that match the requirements of the opportunity.Responsibilities
Provide Level 3 support for enterprise Windows infrastructure.Administer and maintain Windows Server environments.Support and manage Ansible Tower infrastructure.Ensure the stability and security of Centrify and Trellix platforms.Perform infrastructure patching and lifecycle maintenance.Produce detailed patching and operational reports.Support Active Directory services and authentication infrastructure.Monitor and maintain Centrify integration with Linux environments.Troubleshoot complex infrastructure incidents across multiple European locations.Collaborate with regional IT teams on infrastructure improvements.Contribute to infrastructure automation initiatives using PowerShell, Ansible, and Python.Participate in infrastructure projects and continuous improvement activities.Ensure compliance with security and operational best practices.Required Technical Skills
Strong knowledge of Windows Infrastructure and Windows Server Administration.Solid understanding of Infrastructure Architecture, including Networking, DNS, DHCP, Security.Experience with Active Directory environments and WSUS.Experience administering Ansible and Ansible Tower.Knowledge of Centrify and Trellix security solutions.Scripting experience with PowerShell, Ansible, and Python.Experience with BMC Discovery Asset Management and Power BI knowledge.Experience performing infrastructure patching and maintenance.Experience supporting enterprise production environments.Nice to Have
Red Hat Certified Specialist in Microsoft Windows Automation with Ansible certification.Experience managing hybrid Windows and Linux infrastructures.Enterprise security and identity management experience.Experience working in multinational organizations.Knowledge of infrastructure monitoring and reporting tools.Project & Operational Experience
Experience working within structured project methodologies.Familiarity with project planning, deliverables, reporting, and risk management.Experience participating in infrastructure transformation initiatives.Ability to manage multiple priorities simultaneously.Soft Skills
Excellent communication skills.Ability to explain complex technical concepts to different audiences.Strong analytical and troubleshooting abilities.Dynamic and resilient under pressure.Highly organized and detail-oriented.Proactive mindset.Strong collaboration skills within international teams.Adaptable to changing business priorities.Continuous learning mindset.What You'll Find
An international enterprise infrastructure environment.Opportunities to work with modern infrastructure automation technologies.Exposure to large-scale Windows and hybrid infrastructures.Collaboration with international IT teams across Europe.Challenging Level 3 support responsibilities.Career growth through infrastructure modernization and automation projects.A collaborative environment focused on operational excellence and continuous improvement.Ideal Candidate Profile
You are a senior infrastructure professional who enjoys maintaining and improving enterprise Windows environments while leveraging automation to increase efficiency.
You have extensive experience supporting critical production systems, solving complex infrastructure issues, and collaborating with international technical teams.
You are proactive, technically curious, and passionate about automation, security, and infrastructure reliability.
You combine strong technical expertise with excellent communication skills and enjoy working in dynamic, fast-paced environments.Before You Apply
Do I have solid experience administering enterprise Windows infrastructures?
Have I worked with Active Directory, DNS, DHCP, and Windows Server environments?
Am I experienced with Ansible, Ansible Tower, or infrastructure automation?
Do I have scripting experience with PowerShell, Python, or Ansible?
Have I provided Level 3 technical support in enterprise production environments?
Do I have experience with infrastructure patching and lifecycle management?
Am I comfortable troubleshooting complex infrastructure incidents?
Can I communicate effectively in English within international teams?
Do I have basic French knowledge?
Am I currently based in Portugal and available to work in a hybrid model?
Keywords for Your CV
Senior Systems Administrator, Windows Administrator, Windows Server, Windows Infrastructure, Active Directory, AD, DNS, DHCP, Infrastructure Architecture, Windows