Infrastructure Engineer – Windows

Hybrid / Praha - Libeň /
Hybrid
Lokace: Praha, Libeň
Jazyk: ČJ + AJ B2

Level: senior 
Forma spolupráce: IČO
Nástup: asap
Alokace: full-time, HO 2x
Délka spolupráce: dlouhodobá

    Provide expert Windows-based server and endpoint support, ensuring stable, secure, and high-performing infrastructure while performing basic SQL Server DBA tasks, Citrix administration (beneficial), certificate management, and day-to-day ITIL-driven incident, reuqest and change management.

Core Responsibilities:

    Windows OS Support
    • Install, configure, support and maintain Windows Server (2019/2022) in virtual environment (VMware).
    • Apply patches, updates, and security hardening in line with BNP Paribas policies.
    • Troubleshoot OS-level issues (crashes, performance bottlenecks, boot failures, etc.).
    • Advanced PowerShell scripting for automation, configuration management, and remediation
    • Strong grasp of Active Directory, Group Policy, DNS, DHCP, and related services
     
    SQL Server (Basic DBA)
    • Perform routine database backups, restores, and integrity checks on demand.
    • Monitor SQL Server performance, identify and resolve basic issues (blocking, slow queries, log growth).
    • Apply patches and security updates; assist with basic tuning and capacity planning.
     
    Daily Operations & Monitoring
    • Monitor system events, alerts, and logs (Dynatrace, Nagios, etc.) for anomalies. 
    • Manage the ServiceNow ticket queue: prioritize, assign, and resolve incidents/requests.
    • Escalate critical issues to specialized teams (cybersecurity, networking, storage, etc.).
     
    Certificate Management 
    • Renew, deploy, and revoke SSL/TLS certificates for internal/external systems using Certis (or equivalent).
    • Monitor certificate expiration and collaborate with application teams to avoid service impact.
     
    Citrix Systems Support (Beneficial) 
    • Administer Citrix Virtual Apps and Desktops (CVAD) environments. 
    • Resolve user session issues (logon failures, latency, profile corruption).
    • Maintain Citrix infrastructure: Delivery Controllers, StoreFront, Gateways, Licensing, and related components. 
     
    Incident & Change Management (ITIL)
    • Follow ITIL processes for incident resolution, problem management, and change implementation.
    • Document root causes, solutions, and post-incident reviews in the central knowledgebase.
    • Ensure SLA compliance for response and resolution times.
     
    Knowledge Sharing & Collaboration
    • Document configurations, procedures, and run-books; contribute to the central knowledge base.
    • Mentor junior engineers and share best practices across the infrastructure team. 

Required Qualifications:

    • 3+ years hands-on experience administering Windows Server and client OS in a medium-to-large enterprise.
    • Fluent English spoken and written (min. level B2)
    • Strong grasp of Active Directory, Group Policy, DNS, DHCP, and related services.
    • Advanced PowerShell scripting proficiency
    • Experience with virtualization (VMware) and storage (SAN/NAS). 
    • Basic SQL Server DBA skills: backups/restores, integrity checks, performance monitoring.
    • Familiarity with patch-management tools and monitoring solutions (Dynatrace, Nagios, etc.).
    • Understanding of networking fundamentals (TCP/IP, VLANs, routing, firewalls).
    • ITIL Foundation awareness (incident, request, change, problem management). 

Preferred Qualifications:

    • Experience with Axway Transfer CFT administration
    • Experience with Citrix Virtual Apps and Desktops (CVAD) administration.
    • Scripting experience in Python or Bash for cross-platform automation.
    • Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience). 

Soft Skills:

    • Analytical mindset with strong problem-solving abilities.
    • Excellent communication – able to explain technical concepts to both technical and non-technical stakeholders.
    • Team-oriented, proactive, and comfortable in a fast-paced, change-driven environment. 
    • Commitment to continuous learning and knowledge sharing.
    • Meet agreed deadlines