cover image
GESER BEST

GESER BEST

www.geser-best.com

1 Job

106 Employees

About the Company

Chez GESER-BEST, nous mettons à disposition les compétences de nos experts qualifiés pour renforcer vos équipes selon les besoins de vos projets. Notre assistance technique vous permet de bénéficier de savoir-faire complémentaires tout en garantissant flexibilité et réactivité. Nous plaçons l’humain au cœur de notre approche pour offrir des solutions fiables et durables.

Listed Jobs

Company background Company brand
Company Name
GESER BEST
Job Title
Responsable Infrastructure & Infogérance IT (/X) F/H
Job Description
**Job title** IT Infrastructure & Managed Services Manager **Role Summary** Lead the management, evolution, and quality assurance of complex IT infrastructure and outsourced services. Coordinate technical, contractual, and security aspects across multiple stakeholders to maintain high availability and compliance. **Expectations** - Proven track record in IT infrastructure and managed‑services management. - Strong contractual and vendor‑management skills. - Expertise in systems, networking, security, virtualization, and cloud environments. - Ability to drive cross‑functional projects and handle high‑impact incidents. - Good English (≥ B1). **Key Responsibilities** - Oversee managed‑service contracts: define roles, monitor consumption, enforce SLAs, and document decisions. - Monitor and report service quality metrics; analyze gaps; lead continuous‑improvement initiatives. - Drive IT evolution projects (network, servers, storage, virtualization, backups, application platforms). - Produce architecture dossiers, impact analyses, migration plans, and risk management. - Manage service & maintenance contracts, negotiate terms, and optimize costs. - Ensure cybersecurity compliance: follow policies, monitor incidents, coordinate patches, MFA, access controls. - Maintain and audit software licence inventory; recommend optimisations and future needs. - Lead major incident response: coordinate stakeholders, manage communication, and resolve crises. **Required Skills** - Systems: Windows Server, Linux, Active Directory, Azure AD, Office 365 - Virtualisation & containers: VMware, Kubernetes, Docker, Rancher - Networking & security: Cisco, Fortinet (Firewalls, VPNs) - Project & contract management, SLA analysis - Incident & crisis management - Vendor and stakeholder communication - Documentation: architecture, impact assessments, migration plans - English proficiency (written and spoken) **Required Education & Certifications** - Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience). - Relevant certifications desirable: ITIL Foundation, Microsoft Certified: Azure Administrator, VMware Certified Professional, Cisco CCNA/CCNP, or equivalent security credentials.
Mulhouse, France
On site
12-01-2026