Securing critical infrastructure with a pragmatic, operations-first mindset.
"Ingénieur systèmes spécialisé en environnement Windows avec 5 ans d’expérience, fort de 11 ans en contexte aéroportuaire critique. Expertise en administration systèmes, automatisation et maintien en conditions opérationnelles, avec une montée en compétences continue en cybersécurité."
A profile built around reliability, security and operational continuity.
I work in environments where downtime has immediate operational impact. My value lies in combining solid Windows infrastructure expertise with hands-on security work, clear coordination, and a strong ability to turn complex requirements into maintainable solutions.
Why Japan
Professional experience
My experience combines infrastructure administration, security operations and operational support in a 24/7 environment.
Systems & Cybersecurity Engineer
- Led the replacement of the legacy antivirus platform with a modern EDR approach for critical systems.
- Designed and implemented incident response processes and coordination models across IT teams.
- Worked with an external SOC and participated in security audits, pentest follow-up and remediation of urgent and critical vulnerabilities.
- Administered Windows enterprise services including SCCM, Intune, Active Directory, DNS, GPO and Microsoft 365 / OneDrive deployment.
- Provided network and security support across Check Point firewalls, Cisco switching, VLAN segmentation and operational troubleshooting.
- Supported mission-critical airport systems including operations center, baggage systems and emergency systems.
- Managed IT hardware lifecycle and procurement with an annual budget above 500k CHF for ~1200 endpoints and ~2000 thin clients.
- Created PowerShell automation to improve efficiency and trained engineers, technicians, helpdesk agents and apprentices.
IT Technician
- Provided technical support for enterprise IT infrastructure, hardware setup, diagnostics and software maintenance.
- Supported network operations and first-level operational security tasks.
- Contributed to the migration from Windows 7 to Windows 10 for a large workstation fleet.
IT Apprentice
- Provided on-site IT support.
- Handled remote phone support (Level 1 and 2).
- Built strong foundations in IT best practices.
Technical skills organized by domain.
Systems administration
Windows: SCCM, Microsoft Intune, Active Directory, DNS, GPO, software deployment, compliance monitoring, Microsoft 365 and OneDrive deployment. Linux: RHEL, Kali, Satellite, Rundeck, Ansible.
Cybersecurity
EDR evaluation and deployment (Microsoft Defender for Endpoint, Check Point Harmony, Palo Alto Cortex), incident response, external SOC coordination, vulnerability remediation, pentest follow-up, audit support, phishing awareness and Nexthink.
Networking & infrastructure
Check Point firewall administration, Cisco switching, VLAN segmentation, network troubleshooting, support for critical infrastructure and occasional DBA assistance when needed.
Automation & leadership
Advanced PowerShell scripting, task automation, container basics (Docker, Podman), onboarding and mentoring for engineers, technicians, helpdesk agents and apprentices.
Selected projects and areas of ownership.
This section helps recruiters understand the type of work I can own in practice.
EDR evaluation & rollout
Assessed multiple endpoint security solutions and supported the transition from legacy antivirus to a modern EDR model adapted to critical infrastructure constraints.
Incident response framework
Defined incident handling processes, responsibilities and communication flows to improve response readiness across the IT organization.
Endpoint lifecycle & compliance
Managed workstation lifecycle and deployment governance for a large fleet, combining SCCM, Intune, compliance monitoring and hardware procurement planning.
Education and continuous upskilling.
Federal Diploma of Higher Education in Systems and Network Computing
Bachelor’s equivalent · Switzerland · June 2021
Blue Team Level 1 (BTL1)
Certification obtained in October 2024
Communication suited to international environments.
Open to roles in Japan in systems, infrastructure or cybersecurity.
Alexis Gardet
Systems and Cybersecurity Engineer with experience in critical infrastructure, endpoint security, audit follow-up, incident response, automation and operational support. Available for international opportunities and relocation to Japan.