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Kalyon Holding Tech Stack

Large Turkish conglomerate with security operations maturity across construction, energy, and infrastructure

Construction Üsküdar, İstanbul 10,001+ employees Founded 1944 Privately Held

Kalyon Holding is a 10,000+ person Turkish conglomerate spanning construction, energy, real estate, and infrastructure—anchored by flagship projects like Istanbul Airport and major offshore platforms. Their security stack reveals operational maturity: Palo Alto Networks, Splunk, QRadar, and Cortex XSOAR form the core, with active SOAR playbook development and detection logic refinement underway. Current hiring is security-heavy (5 open roles) with focus on senior and lead positions, signaling investment in security operations center maturity rather than expansion.

Tech Stack 24 technologies

Core StackPalo Alto Networks Power BI Splunk Python Imperva FortiWeb F5 ASM F5 BIG-IP LTM Citrix ADC Microsoft Office Excel VBA Cortex XSOAR FortiSOAR Splunk SOAR QRadar PowerShell EDR XDR Firewall Proxy IAM SOAR MITRE ATT&CK

What Kalyon Holding Is Building

Challenges

  • Reducing false positives
  • Reducing mttr duration
  • Improving alert fidelity
  • Refining runbooks

Active Projects

  • Soar playbook development
  • Detection logic optimization
  • Soar integration with security tools
  • Runbook refinement
  • Alert tuning

Hiring Activity

Decelerating10 roles · 3 in 30d

Department

Security
5
Finance
2
Engineering
1
Executive
1
HR
1
Ops
1

Seniority

Senior
4
Mid
3
Intern
1
Lead
1
Manager
1
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About Kalyon Holding

Kalyon Holding operates as a privately held conglomerate founded in 1974, with headquarters in Istanbul. The company spans construction (major infrastructure including airports and pipelines), energy (offshore drilling, solar manufacturing), real estate, and industrial sectors across Turkey and internationally. With nearly 35,000 employees and over 81 years of collective operational experience, the holding manages complex, long-cycle projects alongside educational institutions (Hasan Kalyoncu University, Erdem College) and cultural initiatives. The company's current hiring footprint includes roles in the United Kingdom and Turkey, concentrated in security operations and finance functions.

HeadquartersÜsküdar, İstanbul
Company Size10,001+ employees
Founded1944
Hiring MarketsUnited Kingdom, Turkey

Frequently Asked Questions

What security tools does Kalyon Holding use?

Kalyon's security stack includes Palo Alto Networks, Splunk, QRadar, Cortex XSOAR (SOAR), Imperva, FortiWeb, and F5 BIG-IP, supported by EDR/XDR, IAM, and proxy infrastructure for detection and response.

What is Kalyon Holding working on?

Current projects center on security operations: SOAR playbook development, detection logic optimization, alert tuning, and runbook refinement—targeting false positive reduction and MTTR improvements.

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