CareerPlan

Administrateur(trice) systèmes senior

USAFull-time$70k–$75k2026-10-24 → 2026-11-14

Core

Senior IT systems administrator leading infrastructure migration, modernization, and optimization projects for MSP clients.

Role type

Senior IT systems administrator (infrastructure & security)

Builds

Microsoft infrastructure, virtualized environments, backup & disaster recovery solutions

Domain

IT Services / Managed Services Provider (MSP)

Required skills

Windows Server administration, Active Directory management, Microsoft 365 administration, virtualized infrastructure management, network administration, cybersecurity principles, penetration testing, backup and disaster recovery solutions, technical project management, complex problem diagnosis and resolution

Preferred skills

MSP environment experience, vPenTest tool experience, Datto solution experience

Technologies

Active Directory, Microsoft 365, Windows, Office 365, vPenTest, Datto

Responsibilities

Lead infrastructure migration, implementation, and modernization projects; Design and deploy technology solutions tailored to client needs; Administer and optimize Microsoft environments, servers, and virtualized infrastructures; Perform and analyze intrusion tests using vPenTest to identify vulnerabilities and recommend fixes; Administer and optimize Datto backup and disaster recovery solutions; Participate in restoration and business continuity strategies; Diagnose and resolve complex technical issues and support advanced incidents; Collaborate with the technical team as a subject matter expert.