Lukas Sassl
Sr Support Escalation Engineer - Embedded Escalation Engineer (EEE) - Exchange Server & Hybrid
Cologne, North Rhine-Westphalia, Germany
Summary
🤩
Rockstar🎓
Top SchoolLukas Sassl is a senior Support Escalation Engineer at Microsoft specializing in Exchange Server and hybrid Microsoft 365 environments, with seven years of hands-on experience across support, cloud architecture, and migration projects. He combines deep troubleshooting and escalation management skills with a perfectionist, customer-focused mindset, having worked on large-scale enterprise deployments and served as a Dedicated Support Engineer for customers with 400k+ seats. Lukas contributes to Microsoft's open-source Exchange support tooling, adding security-focused vulnerability checks for multiple CVEs, reflecting his blend of operational rigor and security awareness. Previously he has driven supportability and cloud solution efforts at Microsoft and honed automation and hosting architecture skills earlier in his career, making him adept at turning complex incidents into durable product and process improvements.
7 years of coding experience
9 years of employment as a software developer
Fachhochschulreife, Fachhochschulreife at August-Horch Schule BBS Andernach
German, English
Github Skills (13)
powershell10
audit10
vulnerability-assessment10
auditing10
audit-logging10
code-auditing10
scripting10
exchange-server10
audit-trail10
debug9
active-directory9
debugging9
xml-parsing7
Programming languages (3)
Github contributions (5)
microsoft/CSS-Exchange
Nov 2018 - Jan 2023
Exchange Server support tools and scripts
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:612 reviews, 444 commits, 282 PRs in 4 years 3 months
Contributions summary:Lukas's commits focused on enhancing the Exchange Server support tools and scripts, specifically by adding vulnerability checks. They implemented functionality to detect vulnerabilities, starting with CVE-2018-8581 and later expanding to include CVE-2019-0686, CVE-2019-0724, CVE-2019-1084, CVE-2019-1136, CVE-2019-1137, and CVE-2020-0688, among others. This included adding new functions to identify and report on potential system vulnerabilities and integrating these checks into the larger codebase.
exchangeexchange-serversupport-toolsmicrosoft
lusassl-msft/HealthChecker
Nov 2019 - Apr 2021
Exchange Server Performance Health Checker Script
Contributions:2 PRs, 80 pushes, 141 branches in 1 year 4 months
exchangecheckerhealthhealth-checkerperformance
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.