Senior IT Infrastructure and Systems Engineer - Network

About the role

Join Flat Rock’s fast‑growing Corporate IT team as a Senior IT Infrastructure and Systems Engineer. You will design, build and manage the backbone of the company’s global technology environment, ensuring resilient, efficient and secure operations across data centres, cloud platforms and collaboration tools.

Key responsibilities

• Design, build and support enterprise networks, servers, storage, telephony and related systems.
• Engineer secure, fault‑tolerant and scalable solutions for on‑premise, co‑location and cloud environments.
• Provide technical leadership, mentorship and architectural guidance to IT and business teams.
• Act as the escalation point for complex technical issues.
• Lead infrastructure and application projects, including system migrations and global roll‑outs.
• Drive migration of legacy systems to cloud‑first solutions (AWS, Azure).
• Partner with vendors and managed service providers to ensure seamless service delivery.
• Contribute to enterprise‑wide infrastructure strategy and support international expansion.
• Define and implement disaster‑recovery and business‑continuity solutions.

Required profile

• Self‑sufficient, motivated professional thriving in a fast‑paced, high‑growth environment.
• Customer‑first mindset with strong communication skills.
• Willingness to work after‑hours on projects and support 24x7 global operations.
• Experience in regulated environments (e.g., SOX) and ability to mentor junior team members.
• Bonus: background in healthcare, life sciences, pharma or biotech.

Required skills

• 8+ years of hands‑on engineering with enterprise networks, servers and storage.
• VMware expertise (ESXi, vSphere, vCenter).
• Firewalls, switches and wireless infrastructure (physical and virtual).
• Microsoft Server OS and Active Directory.
• Cloud platforms: AWS and Azure.
• Disaster‑recovery and business‑continuity implementation.
• Microsoft 365 suite (Teams, SharePoint, OneDrive, Exchange Online).
• Scripting/automation for infrastructure management.
• Patch management, monitoring tools and ITIL framework knowledge.
• Linux fundamentals (plus).
• Relevant certifications: Cisco CCNA/CCNP, Microsoft O365, Windows Server, networking certifications.