Of the Field

SREday Cologne 2025

S

REday Cologne is a conference focused on Site Reliability Engineering (SRE), DevOps, and Cloud technologies. The event features a single-track schedule packed with talks and workshops from industry experts on topics such as AI for incident management, platform engineering, cloud infrastructure, chaos engineering, and automation. Attendees can expect to lear…

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44Voices
3Underwriters
0Exhibitors
34On the bill · sessions
38Companies · in total
§I

The Voices

Programmed at SREday, in alphabetical order.
Adriana Villela
Principal Developer Advocate · Dynatrace
Agnieszka Welian
Pegasystems
Alina Astapovich
Electrolux Group
Amila Mahaarachchi
Head of Engineering · WSO2
Andrada Raducanu
ING Hubs Romania
Andy Kuszyk
Staff Engineer · Typeform
Anusha Gundala
Senior Site Reliability Engineer · Sky
Birol Yildiz
Co-founder and CEO · ilert
Bohdan Pohorilets
Freelance SRE
Charles Weir
Mentor, technical lead, manager, author or consultant · Lancaster University
Christian Melendez
Principal Specialist Solutions Architect, EMEA Lead Compute · AWS
Deniz Yalcin
Head of Customer Data · ING Germany
Dewan Ahmed
Principal Developer Advocate · Harness
Dmitrii Iniutin
Founding engineer · Seamflow
Dr. Michael Hüttermann
huettermann.net
Ehsan Khodadadi
Senior Site Reliability Engineer · ING
Goran Minov
Senior Technical Account Manager · Okta
Heather Thacker
Developer Advocate · Gatling
Israel Blancas
Software Engineer · Coralogix
Jagadeesh Devaraj
Engineering Lead for SRE and Engineering Excellence · ING
Jake Page
DevOps engineer turned DevRel · MetalBear
Juan Pablo Vidal Araya
Ilustre Municipalidad de Santo Domingo

— and 22 more, by name unsung —

§II

Underwritten By

The houses behind the program. Tiers as disclosed.
Harness
Hockeystick
ilert
§III

The Programme

Selected from 34 sessions on the bill.
  • 09:00

    Keynote: Decoupled Observability - an architecture for scalable detection and investigation

    Teams are being asked to retain more data, investigate problems and incidents further back in time, and respond faster — all while controlling costs. The challenge isn't a lack of …

    Track 1
  • 09:30

    Keynote: Secure by Default: Building Confidence in AI-Driven Delivery

    The fastest way to break trust in DevSecOps is to automate insecurity at scale. As AI takes a central role in our pipelines, it is time to rethink what "secure by default" really m…

    Track 1
  • 10:00

    Keynote: The Immune System for Software: Lessons from Biology

    Most reliability work today is still centred on reactive troubleshooting: diagnosing a multitude of alerts, pulling large groups into incidents, and engineers scrambling to underst…

    Track 1
  • 10:30

    Keynote: Do Metrics Matter?

    When I get paged, I open the metrics dashboard. That hasn’t changed. Metrics are still the fastest way to get a rough sense of whether a system is unhealthy, especially when you’re…

    Track 1
  • 11:00

    Keynote: When Incidents Fix Themselves: AI SRE in action

    The next evolution of incident response isn’t faster alerts, it’s autonomous resolution. Join ilert CEO Birol Yildiz as he shows how AI SRE agents now diagnose and remediate outage…

    Track 1
  • 12:30

    Reliability starts at the source: Why Customer Data is your most underrated SRE dependency

    Reliability is often framed as an infrastructure problem, but at Banking, it begins with data. Customer data is a core SRE dependency that drives data quality, fraud prevention, kn…

    Track 1
  • 12:30

    SRE Management is a Hard Job. That’s Why You Should Do It Like an Engineer.

    Management feels messy, but it’s just another complex system, full of incidents, dependencies, and feedback loops. In this talk, you’ll learn how to apply engineering principles to…

    Track 2
  • 12:30

    Zero Infrastructure, Zero Phishing: Building a Serverless Security Framework on GCP

    This is an intermediate talk suitable for backend developers and cloud architects. It includes a code walkthrough of the Cloud Run Functions and a data analysis segment comparing t…

    Track 3
  • 13:00

    Catch Me If You Can: Hunting Misconfigurations Before They Break Prod

    Outages don’t start in production—they start with a misconfiguration no one noticed. Join Jagadeesh Devaraj (JD) at SREday as he reveals how teams can detect misconfigs, drift, an…

    Track 3
Intermission
Part the Second · For the Buyer

What does it mean when 38 companies show up — and 2 bet on three roles at once?

38 companies. two are betting more than once.

The numbers below are derived from the speakers, sponsors, and exhibitors on this page — cross-referenced into one ledger. They are the only thing here that 10times.com cannot tell you.

01Fig. 01 — Composition of the House
2All threespeak · spons · exh
1Sponsoringsponsor only
0Exhibitingexhibitor only
35Companies Speakingspeaker only

The Triple-Threat

Harness·ilert

02Fig. 02 — The Voices, by Seniority

27% of the speakers carry senior titles — C-suite, Founder, VP, or Director-level.

  • C-suite511%
  • Founder / Owner25%
  • Director / Head of511%
  • Manager / Lead716%
  • Engineer · IC1023%
  • Advisor / Investor12%
  • Other roles1432%

Of 44 on the bill · classified by free-text title

03Fig. 03 — The Heaviest in the Room
  1. 01HarnessSp1V
  2. 02ilertSp1V
  3. 03Coralogix3V
  4. 04HockeystickSp
  5. 05ING3V
  6. 06Accenture1V
  7. 07AuthZed1V
  8. 08AWS1V
  9. 09ClickHouse1V
  10. 10Dynatrace1V
  11. 11Electrolux Group1V
  12. 12Ewake.ai1V
  13. 13Freelance SRE1V
  14. 14Funambol1V
04Fig. 04 — By Tier
unspecified3
100% of 3