You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Xavier MercyXM

Xavier Mercy

IT Manager | Cybersecurity & IT Governance

€700/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Xavier

IT Manager with 15+ years of international experience in the Oil & Gas sector.

EXPERTISE
• IT Infrastructure: Windows Server, Active Directory, Microsoft 365, VMware
• Cybersecurity & Governance: ISO 27001, NIS2, GDPR, Risk Management
• IT Project Management: Scoping, Steering, International Team Coordination
• IT Finance: Budget Management, Business Cases, ROI

FIELD EXPERIENCE
• International Projects: Angola, South Korea, China
• Constrained Environments: Offshore FPSO, Remote Sites, Satellite
• Multicultural Teams (20+ nationalities)

CERTIFICATIONS
• PMP (Project Management Professional) — 2026
• CISSP (Cybersecurity) — In Progress
• Master's in Finance CNAM — In Progress

MISSION TYPES
✓ Cybersecurity Audit & Consulting
✓ IT Governance / GRC
✓ IT Project Management
✓ Digital Transformation
✓ Security Awareness Training

Available remotely or hybrid.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • TotalEnergies
    IT Business Partner – Oil & Gas Projects
    January 2008 - January 2025 (17 years)
    South Korea
    • Complete IT Governance: strategy, roadmap, architecture decisions
    • Multi-year budget management (up to €1M/year)
    • Functional management of distributed IT teams (2-4 people)
    • Multi-site coordination: Suriname, Angola, UK, China, Korea, Offshore FPSO
    • Definition and monitoring of IT KPIs, project steering committee reporting
    • Cybersecurity compliance: audits, awareness, system hardening
    • Deployment of infrastructures and business applications (PI, ICAPS, Prodom, SmartPlant)
    • Management of international supplier contracts and service agreements
    • SharePoint administration and governance, project document management
    Data Governance Governance Cybersecurity Project Management
  • BRITEO, MeilleursSejours, Home Invest 64, Wizdome
    Entrepreneur – Real Estate & Short-Term Rentals
    January 2014 - January 2025 (11 years)
    France
    • Creation and management of dedicated short-term rental structures
    • Business development, team management, investment consulting
    • Operations optimization and process automation

Recommendations

Be the first to recommend Xavier

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Project Management Professional (PMI)
    PMP
    2026
    Project Management Professional (PMI)
  • Certified Information Systems Security Professional (ISC²)
    CISSP
    2026
    Certified Information Systems Security Professional (ISC²)

Certifications

  • PMP
    PMI
    2026

Skill set

Categories