16.06.2026 aktualisiert
CP
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Senior Citrix and Windows Engineer | L3 Support | Citrix, SCCM, PowerShell
Freienbach, Schweiz
Freienbach +50 km
BSc Applied Biology, Liverpool John Moores UniversityÜber mich
Most people specialise in one thing. I got distracted. Over 30 years I've worked across infrastructure, cloud, security, architecture and transformation, helping organisations solve complex technology problems while translating geek into human. I'm also a Bass Player and Sound Engineer
Skills
Microsoft AntivirusMicrosoft Application VirtualizationMicrosoft AzureWindows EmbeddedVmware ESX ServerIaasInfrastrukturPythonCitrix XenappSystem Center Configuration ManagerCitrix SystemsWindows-DomäneOpenShiftWindows PowershellService Control Management
Citrix Infrastructure and VDI Engineering
Expertise in Citrix infrastructure, VDI engineering, and Citrix PVS. Delivery of major performance improvements across Citrix VDI estates by implementing exclusion frameworks, releasing constrained resources and improving session stability in large-scale enterprise environments.
PowerShell Automation and Remediation
Development of automated PowerShell remediation frameworks to reduce downtime and recurring support effort. Building of PowerShell-based monitoring and remediation scripts, as well as organisation-wide PowerShell training programmes to upskill internal teams.
SCCM and Windows Enterprise Management
Strong background in SCCM and Windows enterprise management, including Windows 10 and 11 deployment and support. Experience managing large-scale enterprise endpoint environments across 1500+ users and 4000+ endpoints.
L3 Support and Troubleshooting
Provision of tier-3 escalation support and deep troubleshooting across complex enterprise environments, including memory dumps, crash analysis, and deep tracing to stabilise legacy platforms.
Endpoint Stability and Performance Optimisation
Optimisation of endpoint stability and performance across large-scale enterprise environments, including endpoint security, operational resilience, and platform standardisation initiatives.
Privileged Access and Zero-Trust Security
Design and implementation of secure Privileged Access Workstation (PAW) environments, Azure Application Proxy, and isolated recovery environments aligned with zero-trust principles for financial institutions.
Identity and Access Management
Contribution to enterprise-scale transformation initiatives across identity, privileged access, and operational resilience, including ADFS and SSO configuration modernisation to simplify secure access control.
Cloud and Hybrid Infrastructure
Support of strategic modernisation and security transformation initiatives spanning cloud adoption, cloud-native security approaches, and hybrid infrastructure within highly regulated enterprise environments.
ITIL-based Operational Support
Delivery of ITIL-based operational support across enterprise platforms, combining hands-on technical capability with strong troubleshooting, operational support, and stakeholder engagement skills.
Expertise in Citrix infrastructure, VDI engineering, and Citrix PVS. Delivery of major performance improvements across Citrix VDI estates by implementing exclusion frameworks, releasing constrained resources and improving session stability in large-scale enterprise environments.
PowerShell Automation and Remediation
Development of automated PowerShell remediation frameworks to reduce downtime and recurring support effort. Building of PowerShell-based monitoring and remediation scripts, as well as organisation-wide PowerShell training programmes to upskill internal teams.
SCCM and Windows Enterprise Management
Strong background in SCCM and Windows enterprise management, including Windows 10 and 11 deployment and support. Experience managing large-scale enterprise endpoint environments across 1500+ users and 4000+ endpoints.
L3 Support and Troubleshooting
Provision of tier-3 escalation support and deep troubleshooting across complex enterprise environments, including memory dumps, crash analysis, and deep tracing to stabilise legacy platforms.
Endpoint Stability and Performance Optimisation
Optimisation of endpoint stability and performance across large-scale enterprise environments, including endpoint security, operational resilience, and platform standardisation initiatives.
Privileged Access and Zero-Trust Security
Design and implementation of secure Privileged Access Workstation (PAW) environments, Azure Application Proxy, and isolated recovery environments aligned with zero-trust principles for financial institutions.
Identity and Access Management
Contribution to enterprise-scale transformation initiatives across identity, privileged access, and operational resilience, including ADFS and SSO configuration modernisation to simplify secure access control.
Cloud and Hybrid Infrastructure
Support of strategic modernisation and security transformation initiatives spanning cloud adoption, cloud-native security approaches, and hybrid infrastructure within highly regulated enterprise environments.
ITIL-based Operational Support
Delivery of ITIL-based operational support across enterprise platforms, combining hands-on technical capability with strong troubleshooting, operational support, and stakeholder engagement skills.
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2012
Sprachen
DeutschgutEnglischMuttersprache
Projekthistorie
Supported strategic modernisation and security transformation initiatives within a highly regulated international banking environment, contributing to enterprise endpoint architecture, cloud-native security approaches, and operational resilience programmes. Delivered major performance improvements across Citrix VDI estate by implementing exclusion frameworks that released over 50% of constrained Citrix resources while improving session stability. Worked across cross-functional teams to improve platform security, performance, and operational stability.
Supported large-scale enterprise endpoint and virtual desktop environments across 1500+ users and 4000+ endpoints. Led and contributed to multiple enterprise-scale transformation initiatives across identity, privileged access, endpoint security, and operational resilience. Designed and implemented secure platform architectures including Azure Application Proxy, Privileged Access Workstations (PAW), and isolated recovery environments aligned with zero-trust principles. Collaborated with technical and business stakeholders to define secure operating models and support strategic infrastructure modernisation.
Led strategic upgrades of custom software and web apps, focusing on automation and standardisation. Built PowerShell-based monitoring and remediation scripts, improving service transparency and uptime. Delivered an organisation-wide PowerShell training programme to upskill internal teams. Modernised ADFS and SSO configurations to simplify secure access control.