Curriculum Vitae

Senior IT Systems Engineer

Cresta AI

Feb 2026 – Present Berlin, Germany (Remote) AI Tech

• Architected and deployed Kandji MDM infrastructure for macOS fleet management, implementing zero-touch provisioning workflows and automated compliance enforcement across 500+ endpoints
• Engineered enterprise identity and access management solutions using Okta and Azure AD, implementing SAML/OAuth2 SSO integrations, conditional access policies, and MFA enforcement for 800+ users
• Developed Python and Bash automation frameworks to orchestrate employee lifecycle workflows, reducing manual provisioning time by 60% and eliminating configuration drift
• Designed and implemented cross-platform integrations between HRIS (Personio), ITSM (Jira), communication (Slack), and asset management (Snipe-IT) systems using REST APIs and AWS Lambda
• Led technical escalation efforts for critical incidents, serving as bridge between Tier 1 Support, Platform Engineering, and Enterprise Security teams with 99.5% incident resolution SLA
• Established infrastructure-as-code practices using Terraform and GitHub Actions, implementing CI/CD pipelines for automated deployment of MDM configurations and SaaS integrations
• Built advanced Slack automation workflows using AWS Lambda and Python to manage offboarding notifications, hardware return tracking, and automated Jira ticket creation, improving asset recovery rate by 40%
• Redesigned Jira Service Management portal with intelligent ticket routing, automated Confluence knowledge base integration, and custom form logic, reducing mean time to resolution by 20%
• Owned technical lifecycle management for 20+ enterprise SaaS applications, from security evaluation and vendor negotiation through implementation, automation, and documentation
• Mentored junior systems engineers through structured knowledge transfer, comprehensive Confluence documentation, and hands-on technical deep-dives on automation and infrastructure patterns

Senior IT Systems Engineer

Trade Republic Bank GmbH

Oct 2022 – Jan 2026 Berlin, Germany FinTech

• Recognized as top-performing Senior IT Systems Engineer in company-wide performance review, acknowledged for technical expertise, automation innovation, and cross-functional collaboration
• Served as primary technical escalation point for IT Support organization, resolving complex P1/P2 incidents and coordinating resolution across Engineering, Security, and Infrastructure teams
• Owned complete technical lifecycle for 20+ enterprise SaaS applications including Slack, Personio, Snipe-IT, and Zoom, managing vendor relationships, security reviews, integration architecture, and compliance requirements
• Engineered automated offboarding system using AWS Lambda, Python, and Slack API to orchestrate device return workflows, Jira ticket generation, and compliance reporting, improving hardware recovery compliance from 55% to 95%
• Architected comprehensive JAMF Pro MDM infrastructure supporting 1,200+ macOS devices, implementing automated enrollment, configuration profiles, self-healing policies, and integration with asset management and compliance systems
• Developed dynamic access control system using FastAPI and Kisi physical access APIs to provision temporary office permissions, automated badge printing workflows, and real-time access revocation during offboarding
• Redesigned Jira Service Management portal from team-managed to company-managed architecture, implementing intelligent ticket categorization, automated Confluence article suggestions, and conditional form logic that reduced resolution time by 20%
• Established infrastructure-as-code standards using Terraform and GitHub Actions CI/CD pipelines to automate deployment of SaaS configurations, MDM policies, and identity provider integrations across development and production environments
• Led on-call rotation responsibilities, managing real-time incident response, root cause analysis, and service continuity for global workforce across EMEA and APAC time zones
• Developed comprehensive technical documentation and knowledge transfer programs, mentoring junior engineers through Confluence wikis, hands-on training sessions, and Slack-based knowledge sharing initiatives

Jira / Confluence IT Systems Engineer

RWE Battery Solutions GmbH

Apr 2022 – Oct 2022 Essen/Dresden, Germany Renewable Energy

• Managed enterprise Atlassian ecosystem (Jira Software, Jira Service Management, Confluence) supporting 300+ users across engineering, operations, and project management teams
• Redesigned cross-functional workflow architectures and approval processes to enforce governance, improve audit trail visibility, and streamline collaboration between distributed teams in Essen and Dresden
• Developed standardized Jira project templates, custom automation rules, and reusable workflow schemes for recurring processes including change management, task approvals, and documentation review cycles
• Implemented version-controlled documentation framework using Git integration with Confluence, establishing GitOps principles for configuration management and knowledge base governance
• Engineered custom Jira automation using JQL, webhooks, and Groovy scripting to eliminate manual tasks, enforce SLA compliance, and trigger notifications across integrated systems
• Collaborated with ServiceNow ITSM team to design unified workflow alignment between Jira and enterprise ticketing systems, ensuring consistent incident and change management processes
• Architected knowledge base structure in Confluence with hierarchical page organization, template standardization, and automated documentation workflows to capture technical configurations and system documentation
• Conducted technical training sessions for engineering and operations teams on Jira best practices, advanced JQL queries, automation capabilities, and Confluence documentation standards
• Provided subject matter expertise during Atlassian platform migrations and version upgrades, ensuring zero-downtime transitions and preservation of customizations
• Officially commended by RWE HR and technical leadership for exceptional knowledge of Atlassian products, demonstrated technical ownership, and significant improvements to team productivity

Systems IT Engineer

Dr. Smile – DZK Deutsche Zahnklinik GmbH

Feb 2021 – Apr 2022 Berlin, Germany HealthTech

• Provided comprehensive audiovisual and IT infrastructure support across 15+ distributed dental clinic locations, managing network connectivity, Zoom Rooms conferencing systems, and specialized medical peripherals
• Implemented Microsoft 365 automation workflows using PowerShell and Python to streamline user provisioning, mailbox configuration, and Teams collaboration setup, reducing onboarding time by 35%
• Deployed and managed unified endpoint management solutions using JAMF Pro for macOS devices and Microsoft Intune for Windows endpoints, implementing automated policy enforcement and self-service capabilities
• Engineered automated maintenance and monitoring system for dental intraoral scanners using Python and REST APIs, ensuring 24/7 uptime across all clinic locations and proactive issue detection
• Developed custom onboarding scripts using Bash and Python to automate device imaging, application installation, and configuration deployment, reducing setup time from 4 hours to 45 minutes per device
• Created comprehensive technical documentation including troubleshooting guides, standard operating procedures, and runbooks for common issues, improving first-call resolution rate by 25%
• Conducted hands-on training programs for junior IT technicians on remote support tools, device imaging procedures, asset tracking workflows, and customer service best practices
• Managed vendor relationships and SLA compliance for infrastructure, audiovisual equipment, and specialized dental IoT hardware, coordinating maintenance windows and emergency support escalations
• Implemented centralized asset tracking system using Snipe-IT to maintain inventory visibility across all clinic locations, streamlining hardware lifecycle management and audit compliance
• Provided escalation support for critical infrastructure incidents, coordinating cross-functional resolution efforts between networking, facilities, and clinical operations teams

Systems IT Operations Engineer

Cisco Systems

Sep 2013 – Jul 2016 Abeokuta, Nigeria Network Infrastructure

• Provided Tier 1 and Tier 2 technical support for 300+ end users, resolving hardware failures, software application issues, and network connectivity problems with 95% first-contact resolution rate
• Diagnosed and remediated desktop and laptop hardware issues including memory failures, disk replacements, and component upgrades, maintaining comprehensive repair documentation
• Administered Windows Active Directory user accounts, group policies, and permissions, ensuring proper access control and security compliance across the organization
• Deployed and configured Cisco networking equipment including switches, routers, and access points, supporting campus network infrastructure and troubleshooting connectivity issues
• Developed Python automation scripts to streamline repetitive ITSM workflows including user provisioning, password resets, and ticket categorization, reducing manual processing time by 30%
• Created Windows PowerShell and batch scripts to automate system maintenance tasks including software updates, disk cleanup, and security patch deployment across workstation fleet
• Managed IT service desk ticketing system, ensuring proper incident categorization, priority assignment, SLA compliance, and comprehensive documentation of resolution steps
• Performed regular system maintenance including backup verification, antivirus updates, and performance optimization to ensure optimal endpoint health and security posture
• Collaborated with network engineering team to troubleshoot complex connectivity issues, analyze network traffic patterns, and implement quality of service configurations
• Documented technical procedures, created knowledge base articles, and conducted end-user training sessions on common applications, security best practices, and self-service support tools

Coursework: IT Infrastructure, DevOps, Data Engineering

German Language – DSH 2 (C1 Level), Technical Sciences