>_ kamaradski.com

$ whoami

Willem
Visscher

Portrait of Willem Visscher

Director of Technical Operations | TechOps, DevOps, FinOps, Service Delivery, and Team Leadership

Dutch technical operations leader based in Germany with a background spanning hands-on engineering, operational design, outsourcing, financial services, cloud infrastructure, internal tooling, and people management.

  • 21+years technical hands-on
  • 16+years people management
  • 13+years outsourcing business
  • 13+years financial services

01 // whoami

Professional profile

Summary

I have spent my career operating at the point where technology, service reliability, people leadership, and business delivery meet. My background ranges from classic system administration and infrastructure to operational tooling, monitoring, process design, incident management, and organizational scaling.

I am strongest in environments where things need to be built, stabilized, redesigned, or scaled with a pragmatic engineering mindset and direct operational ownership.

Since 2026, I have also been operating my own Kleingewerbe under the name Willem Visscher - IT Services.

Personal details

Name
Willem Visscher
Nickname
Kamaradski
Nationality
Dutch
Residence
Germany

Personal keywords

Ideasconcept creatorfree-thinkerhard-working dedicatedsharingcreativefun precisefamilydo-ertogether do rightlearningpersistentoutgoing musiccarshands-onmechanics gardenautodidacticmetal detectingreading gaming

Recognition

  • IBM Employee of the Month, April 2008

Languages

Language Read Write Spoken
DutchNativeNativeNative
EnglishFluentFluentFluent
GermanFluentProficientFluent
BulgarianInsufficientInsufficientConversational

02 // experience

Career timeline

Feb 2022 - Present

Xolvis GmbH, Germany

Director of Technical Operations

SaaS and payments solutions in the automotive industry

Responsible for complete technical operations outside development: DevOps, TechOps, IT Service Desk, and Business Operations. Built and redesigned departments, structures, tooling, and operational foundations to support future hyper-scalability.

Oct 2013 - Jan 2022

PPRO Financial Ltd, Germany

Head of (Technical) Operations

Digital financial services, payment service provider

Owned technical operations, SLA and KPI tracking, internal tool development, monitoring, on-call and incident management, change management, partner operations, 3rd-level support, and FinOps. Also led the tooling and monitoring engineering team as principal engineer during the final period.

Aug 2012 - Sep 2013

ProSiebenSat.1 Media AG, Germany

Digital Content Manager for Maxdome.de

Digital content delivery, B2C

Managed digital content delivery, transcoding, DRM-based streaming workflows, metadata, content uploads, and troubleshooting of content delivery tooling and CMS processes.

Jul 2011 - Mar 2012

William Hill Online Casino, Bulgaria

VIP Manager

Global service desk, B2C

Identified and managed high-value customers in the Dutch and Belgian market through gameplay and spending analysis, with direct account management responsibility.

Oct 2009 - Oct 2011

Sutherland Global Services EOOD, Bulgaria

Team Manager / Team Manager Collections

Technical support, customer care, finance and accounting outsourcing

Led delivery, client communication, recruitment, process design, training, escalations, WFM scheduling, reporting, quality systems, and startup transitions for teams supporting brands including Jamba, McAfee, and Dell.

Oct 2007 - Oct 2009

IBM, Scotland

Global Technical Mentor Lead

Technical support centre, B2B and B2C

Negotiated KPIs, analyzed performance and training needs, created knowledge materials, maintained technical QA, ran train-the-trainer programs, and managed the test lab across three geographies.

2007

KPN Contact B.V., the Netherlands

CSR 2nd line and Crisis Control Team Agent

Technical support centre ISP, B2C

Handled VOIP support, second-line troubleshooting, and crisis-team work for nationwide product implementation issues and service solution development.

2005 - 2007

Borkes Computers and Office Centre, the Netherlands

Technical Service and Solution Engineer

Computer solutions and retail, B2B and B2C

Designed and maintained SMB network and server solutions, repaired and installed systems, and led field operations while translating business needs into practical hardware and software solutions.

2003 - 2005

Combatel B.V., the Netherlands

General Branch Manager

Computer store, B2B and B2C

Held end-to-end responsibility for branch operations, technical repair, stock, purchasing, sales, hiring, and daily people management.

03 // skills

Technical and operational skill set

Operating systems

mac windows linux ubuntu xubuntu debian slackware Server2003 Server2008

Virtualization and servers

proxmox docker docker swarm/compose lxc ecs virtualbox nginx apache postfix dovecot sieve

Networking and infrastructure

pfsense opnsense SES VPC subnetting VLAN VPN openVPN WireGuard

Programming

python bash powershell basic assembler php html lua lsl

Tooling and platforms

trac phabricator xwiki wiki.js jira confluence sphinx git gitlab big query OTRS DocuShare Sharepoint

Monitoring and delivery

elasticsearch prometheus loki grafana influxDB ci/cd check_mk nagios icinga munin

Business operations

techops finops devops process documentation process management process visualization six-sigma lean KPI/SLA/SLI management

Hardware

basic component level electronic repair

Courses

Internal Sutherland Global Services training
  • LEAD initiative
  • Six Sigma - Yellow belt
  • Execution excellence - Bronze belt
Internal IBM / Xerox education
  • Xerox technical mentor training
  • Advanced networking
  • Subnetting
  • Supernetting
  • Introduction to Macintosh
  • Working on a commercial account
  • Call monitoring feedback
  • Coaching
  • Performance management
  • Root cause analysis
  • Action planning
  • Windows NT 4.0 basic training
  • Introducing Windows XP
  • Installing Windows XP
  • Windows XP fundamentals
  • Backup and security settings in Microsoft XP
  • Up and running with Microsoft Windows
Internal KPN education
  • KPN VOIP and advanced telephony training
  • KPN call centre VOIP technical training
  • KPN call centre communication training

Education

When What Where
2000Asbestos safety trainingHoogeveen, Netherlands
2000Basic safety on the work floor VCA-1Hoogeveen, Netherlands
1996ARBOUW safety courseAssen, Netherlands
1996 - 1998ROC Construction vocational collegeRuinen, Netherlands
1992 - 1996LTS Construction techniquesAssen, Netherlands

04 // extracurricular

Reading, community work, and self-study projects

Reading study list

Networking
  • Oskar Andreasson - Iptables Tutorial 1.1.19 (2003)
  • Charles M. Kozierok - The TCP/IP Guide (2005)
  • Ralph Becker - IP Address Subnetting Tutorial (2007)
  • Manuel Kasper and Chris Buechler - M0n0wall Handbook (2008)
Cloud architect, engineering, and IaC
  • Yevgeniy Brikman - Terraform: Up and Running (2019)
  • Gojko Adzic - Specification by Example (2011)
  • Irakli Nadareishvili, Ronnie Mitra, Matt McLarty and Mike Amundsen - Microservice Architecture (2016)
Developer
  • Mark Summerfield - Programming in Python 3 (2010)
  • Michael Dawson - Python Programming for the Absolute Beginner (2010)
  • Caleb Doxsey - Introducing Go (2016)
Classic system administration
  • Duane Wessels - Web Caching (2001)
  • International Technology Solutions Inc - Windows Integration with Samba (2001)
  • Jay Ts, Robert Eckstein and David Collier-Brown - Using Samba (2003)
  • Christopher Hertel - Implementing CIFS (2003)
  • Duane Wessels - Squid The Definitive Guide (2004)
  • Christopher Smith - Linux NFS-HOWTO Revision 4.0 (2006)
Operating systems, business, and other
  • Slackware Linux Essentials (The Slackbook)
  • FreeNAS 8.0.1 Users Guide
  • Seth Godin - Purple Cow
  • Seth Godin - The Big Moo
  • Kate Fox - Watching the English
  • E. L. James - Shades of Grey I, II, III
  • Jean M. Auel - The Clan of the Cave Bear I-VI

Online community management

At Ahoyworld I served as a core staff member in a gaming community with more than 1000 members, contributing across administration, server operations, project tooling, automation, and game add-on development.

  • Core-staff member with leadership responsibilities
  • Server administration and maintenance
  • Project management and administration tool implementation
  • Gameserver automation development, mostly in PowerShell
  • Game add-on development for Arma 3

Archive reference: Ahoyworld snapshot

Completed self-study projects

Jira ticketing system

Designed and set up a Jira workflow for a 1000+ member community, including employee and member groups, multiple project types, access structures, and workflow design for coding, moderation, and project tracking use cases.

Squid caching proxy

Built a lightweight home-network proxy and cache server on recycled hardware using Slackware and Squid, running continuously for roughly 1.5 years with filtering and acceleration benefits.

FreeBSD router

Built a FreeBSD-based gateway and routing setup focused on network control, learning, and long-running operational use in a home environment.

Personal FTP repository and mirror platform

Built and operated a Linux-based multi-drive repository server for personal and community distribution workflows, serving both admin users and a large online community over a period of years.

05 // team principles

Management and operating principles

These principles are ideas and operating habits developed through years of people management. The titles matter as much as the descriptions: they are meant to shape team culture, execution quality, and the way people think about ownership, systems, and responsibility.

Want to put these on a TV or office screen? Open the fullscreen presentation version and run through the principles one by one.

Open Fullscreen Principles Presentation
01. Assume nothing, question everything

Things change, people change, and technology changes. What made sense before may no longer be the right answer now.

02. Never be unreachable

Communication is operational infrastructure. Awareness and responsiveness prevent work from getting lost.

03. Make it so

Planning matters, but execution is what creates progress. Ideas only become useful once something is actually built or changed.

04. Think, then do, then think again

Act deliberately, then review outcomes and learn from what the result tells you.

05. Sometimes you're wrong

Being wrong is normal when information is incomplete. What matters is adjusting quickly once reality becomes clearer.

06. You don't waste good

Reuse and improve what already exists when it still has value, whether that is code, ideas, documentation, or systems.

07. Always work as a team

Teams move faster and more reliably when people support each other instead of optimizing only for themselves.

08. Never take anything for granted

Design processes and systems so that they can survive tool changes, staff changes, and broken dependencies.

09. Explicit is better than implicit

Clarity in communication, code, documentation, and planning saves time immediately and later.

10. Don't believe what you're told. Double-check

One source rarely has the full picture. Verify before acting.

11. The devil is in the details

Small errors create large operational impact. Review carefully and validate what you ship.

12. Always think 3 steps ahead

Design for the future so the next stage of growth or change does not require rebuilding everything.

13. When the job is done, stop polishing

Finish properly, confirm the outcome, then move on. Endless polishing can wear away the very thing that made the work good in the first place.

14. Bend the line, don't break it

Rules should guide safe execution, but they should also be challenged when reality changes.

15. Every answer should raise 2 new questions

Useful answers usually expose more depth. Curiosity is part of reliable operations.

16. Never mess with TechOps coffee

Half fun, half truth: teams need their tools, focus, and working conditions protected.

17. Keep it simple, stupid

Prefer low-complexity solutions unless more complexity is truly necessary.

18. Always watch the watchers

Monitoring systems themselves need scrutiny. Human oversight still matters.

19. Every question is a valid question

If something is unclear, ask. Missing clarity often exposes missing documentation, weak communication, or hidden risk.

20. If something feels off, verify the incentives

Serve the technology and the business, not internal politics. If something smells wrong, return to neutral ground, check the facts, and verify what is really driving the situation.

21. Your ticket, your lead, your responsibility

Ownership means seeing work through from start to finish, even when tasks are delegated.

22. Systems and situations behave for reasons

In technology and in business, things usually happen for causes you do not yet see. Look for the underlying reason instead of dismissing events as coincidence.

23. First things first: start with the biggest problem

Work on the highest-impact issue first. Once it is solved, the next problem becomes the biggest one, and repeated often enough, big problems become small ones.

24. He who doesn't make mistakes is not doing any work

Mistakes are part of execution. The standard is to catch, fix, and learn from them.

25. Avoidable mistakes are easily avoided

Build fail-safes and disciplined process habits to prevent repeatable errors.

26. Pull before you push

Understand other people's needs before pushing your own view or plan onto them.

27. Chances are that the wheel has already been invented

Research existing solutions first and learn from them before building from zero.

28. Clean up the mess that you make

Fixing the immediate issue is not enough; you also own the resulting cleanup.

29. Never blindly trust a running system

A system running today is not proof that it is sound. Ask whether it is built properly, backed up, reproducible, and resilient to change before trusting it.

30. Keep digging till you hit bottom

Root-cause depth matters. Partial understanding is risky in operations.

31. The world outside your box is large

Innovative thinking matters. Good ideas often come from outside the expected frame.

32. Where's my money?

Always consider the business and money-flow impact of technical changes, especially in finance-related systems.

33. Emotion is not evidence

Strong feelings matter, but decisions should be made on facts, context, and clear judgment. When emotions and feelings are involved, take a breather, let it cool for a bit, then return to the facts with a clear mind.

34. Do it today as tomorrow never comes

If the work matters, move it forward now instead of storing it in an imagined future.

35. Keep calm and read the logs

Calm troubleshooting and evidence-based action outperform panic.

36. TechOps is the last resort: own the problem until it lands

If people come to TechOps, they often have nowhere else to go. Do not turn them away with a simple no; work toward a shared understanding, a workable path, or a clear next owner.

06 // contact

Online presence