18.10.2026 aktualisiert

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Senior IT Consultant | Enterprise Monitoring & Automation

Giesen, Deutschland
Weltweit
Software Developer (Siemens Nixdorf Training Centre, Kiel, 1993-1995)
Giesen, Deutschland
Weltweit
Software Developer (Siemens Nixdorf Training Centre, Kiel, 1993-1995)

Profilanlagen

Grigoris_Karakatsoulis_CV.pdf

Skills

Atlassian JiraTest AutomationCfengineConfiguration ManagementSysteme zur Verwaltung von DatenströmenEnterprise Information ManagementExecution Management SystemsExpertensystemeGitHubSystemüberwachungHP Systems Insight ManagerIBM Service Management FrameworkIcingaEnterprise Messaging-SystemeSystem Center Configuration ManagerNagiosBüroautomationAktivitätsmonitorProfessional Services AutomationBroadcomRemote-ManagementSoftware Configuration ManagementIntegration (Software)TwilioMonitoring-ErgebnisseEnterprise Application SoftwareGrafanaProzess-MonitorDeployment AutomationFigmaAutomation AnywhereApi-Management
Systems Management & Monitoring
Expertise in IBM Tivoli, Broadcom / CA Technologies suite, Microsoft SCOM, Icinga 2, Dynatrace, Nagios, Nagios plugin architecture, Elastic Stack and IBM NetView for enterprise-scale monitoring environments covering several thousand servers worldwide.

Monitoring Architecture & Engineering
Deep knowledge in enterprise monitoring architecture, distributed platforms, central administration, service and configuration item (CI) modelling, dependency-aware CI-based solutions, large-scale migrations and CA SOI integrations.

Automation & Integration
Proficiency in CFEngine, Bash, KornShell (ksh), shell scripting, workflow automation, systems integration and development of Nagios-compatible and open-architecture monitoring check plugins.

Cloud Platforms & Communications
Experience with Google Cloud, gcloud CLI, Google Workspace and Twilio for cloud-based and communication-integrated solutions.

Development, Collaboration & Design Tools
Practical use of Base44, OpenAI Codex, GitHub, Jira, Figma and Canva for development, project collaboration and digital design tasks.

IT Service Management (ITSM)
Broad experience with enterprise change, problem, incident and service request management, service desk and ticketing platforms.

Operating Systems
Solid background in Unix, Linux, Solaris, SCO Unix, SUSE Linux, Windows, macOS and Novell NetWare environments.

Databases & Storage
Hands-on experience with MariaDB and IBM Tivoli Storage Manager (TSM) for database and storage management.

Consulting & Delivery
Third-level support, troubleshooting, analysis, redesign, migration, optimisation and AI-enabled business solutions across diverse enterprise environments.

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2001

Sprachen

DeutschverhandlungssicherEnglischverhandlungssicherGriechischMuttersprache

Projekthistorie

Digital Solutions Architect & Developer

Unique Nous Clinic, Australia
Planned, architected and built the end-to-end digital environment for an Australian telehealth clinic. Designed the web presence, service presentation, online booking, intranet and administrative applications. Developed an AI-powered front desk and integrated workflows using Base44, OpenAI Codex, Google Cloud, Google Workspace and Twilio. Provides ongoing technical support and administration, optimises Zanda Health workflows, and maintains automated invoice capture, classification and filing.

Owner & Independent IT Consultant

EDV-Systemberatung, Germany
Architecture, engineering, development and consulting services for enterprise systems monitoring, automation, infrastructure and digital operations.

Systems Monitoring Architect & IT Consultant

Volkswagen, Wolfsburg, Hannover and Braunschweig
Member of the global systems and network monitoring design and engineering teams for an environment covering several thousand servers worldwide. Contributed to three major monitoring migrations (IBM Tivoli to CA Technologies, Icinga 2, SCOM and Dynatrace). Developed Volkswagen-specific monitoring solutions, CA SOI services and Nagios-compatible check plugins. Provided third-level support and planned and supported multiple PoCs for new technologies and target architectures.

Enterprise Monitoring Consultant

HSBC Trinkaus & Burkhardt
Resolved a global monitoring and alerting issue affecting critical financial services through third-level troubleshooting and root-cause analysis; implemented the solution and supported related PoCs.

IT Project Consultant - Planning & Design

Finanz-IT, Hannover
Designed and supported nationwide IBM Tivoli Suite and MBC environments spanning several thousand endpoints and hundreds of servers. Delivered third-level support and planned and supported multiple PoCs across inventory, monitoring, software distribution, Business Service Management (BSM) and Tivoli Firewall Security Toolbox (TFST), including secure communication across network and firewall boundaries.

Salaried IT Project Consultant

Systematics AG, Hamburg
Delivered systems management assignments using IBM Tivoli and NetView 6K. Selected clients included Finanz-IT Hannover, Bayer AG, ARAG Insurance and Nestle.

Salaried IT Project Consultant

ECS GmbH, Hamburg
Supported SCO Unix, SUSE Linux, Novell and IBM TSM environments, including satellite server administration. Selected clients: Deutsche Presse-Agentur (dpa), Axel Springer Verlag, Siemens in Egypt and insurance-sector organisations.

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