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Hi, I am Julien Escoffier (@nvkoSys)

Julien Escoffier (@nvkoSys)

Founder (CTO/Pentester) at Koftec

I am a passionate SysAdmin and Infrastructure Manager with more than 20years of working experience helping companies to secure and improve their infrastructures while beeing able to reduce their costs. Additonally, I’m a Pentester(OSCP) and spending most of my free time homelabing and training on HackTheBox.

SysAdmin
Pentesting
IT Manager
SoC Deployment
Scripting (Python/Bash)
Monitoring

Skills

Experiences

1
Koftec

Aug 2022 - Present

Paris area

Providing IT services for Infrastructures from conception to production, and Penetration testing services {white,grey,black}box

Founder/CTO

Aug 2022 - Present

Responsibilities:
  • Design and deployment of redundant infrastructures (vCenter/Proxmox)
  • Design and deployment of Disaster Continuity/Recovery Plans (DCP/DRP)
  • Monitoring solution deployment (Prometheus/Grafana/Zabbix/Icinga2)
  • Pentest audits
  • Customers support in costs reduction by defining and executing migrations
  • Recruitment and training of new technical employees
  • Forensics analyzis
MoodMedia

Sep 2012 - Present

Paris area

International in-store provider of music, digital signage, hold music, on-hold messaging, scent, integrated audio/video.

IT Manager

May 2020 - Present

Responsibilities:
  • Improving systems and Group global security
  • Deploying a vulnerability assessment system, dedicated monitoring system, event logs centralization
  • Global backup/offload solution deployment
  • Managing local Datacenter and all attached servers/services
System & Network Engineer

Sep 2012 - May 2020

Responsibilities:
  • Physical datacenter servers virtualization (70+)
  • Proprietary to Open Source Software multiples migration (Monitoring, configuration mgmt, shares, …)
  • Linux & Network administration (Tomcat,IPtables,MySQL,Oracle,Nagios,VMware,…)
  • Processes automation (Ansible/Python/Bash)
2
3
Setra Conseil (Axians)

May 2011 - Jun 2012

Paris & Nice

Intern counting Company (ICC) is responsible for counting worldwide intern Engineers.

Linux/Oracle Consultant

May 2011 - Jun 2012

Responsibilities:
  • Linux + Oracle deployment automation for customers & internal infrastructures
  • Industrialization/Automation of Operating Systems, monitoring tools
Softway Medical

Mar 2009 - May 2011

Paris & Aix-en-Provence

Intern counting Company (ICC) is responsible for counting worldwide intern Engineers.

Linux Consultant

Mar 2009 - May 2011

Responsibilities:
  • Full project management for medium to huge FR Hospitals (specs, config, deployment).
  • Conception of infrastructure highly available (Hardware/Electric design/Network/OS).
  • Linux trainer for technical teams.
4
5
Olfeo

Mar 2008 - Mar 2009

Paris

Intern counting Company (ICC) is responsible for counting worldwide intern Engineers.

L2 support Linux technician

Mar 2008 - Mar 2009

Responsibilities:
  • Team Management (4 people).
  • Customer & Internal technical support.
  • Linux monitoring automation, diagnostic tools & deployment.

Projects

LazySysAdmin
Developer May 2023 - Present

Bunch of Bash and Python scripts for SysAdmin tasks.

SysAdmin Bash Python
Star
Powa-Comparator
Developer Jun 2018 - Present

Compare vehicules horses power.

Python Cars
Star
Full Open Source SIEM
Owner Dec 2023 - Present

…

Security
Details