Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, is a world leader in interconnect solutions for Communications, Mobile, RF, Optics, and Commercial electronics markets. Amphenol Corporation is one of the world’s largest designers and manufacturers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial and high-speed specialty cable. ACS has an expansive global presence in research and development, manufacturing, and sales. We design and manufacture a wide range of innovative connectors as well as cable assemblies for diverse applications including server, storage, data center, mobile, RF, networking, industrial, business equipment, and automotive. We design, manufacture, and market electrical, electronic, and fiber optic connectors, coaxial and flat-ribbon cable, and interconnect systems. The primary end markets for our products include communications and information processing, aerospace, military electronics, automotive, and other industrial applications. The Senior System Administrator will lead the design, modernization, security, and compliance of our IT infrastructure across on-premises and cloud environments, with a primary focus on Microsoft Azure. The ideal candidate brings 5 to 8 years of hands on experience, deep expertise in Azure, Windows Server, Microsoft Entra ID, and Microsoft 365, and a proven track record of leading teams, delivering modernization projects, and maintaining a strong security and compliance posture. Assign and prioritize work, set performance goals, conduct reviews, and build team capability through coaching, knowledge sharing, and training. Design, document, and own the end-to-end architecture for on-premises, hybrid, and cloud infrastructure, including servers,



storage, identity, networking, and backup, ensuring scalability, high availability, and cost-efficiency. Architect and manage the Azure environment, including landing zones, subscription and resource governance, Azure VMs, Virtual Networks, Azure Backup and Site Recovery, Azure Files, Azure Monitor, Azure DNS, Key Vault, and Azure Policy. IT Modernization: Build and execute the infrastructure modernization roadmap: migrate legacy workloads to Azure, upgrade or retire end-of-life systems, adopt PaaS/SaaS where appropriate, and introduce automation and Infrastructure as Code (PowerShell, Bicep/ARM, or Terraform). Identity & Endpoint Management: Oversee Active Directory, Microsoft Entra ID, Group Policy, and hybrid identity. M365 Administration: Govern Microsoft 365 services including Exchange Online, Intune, Teams, SharePoint Online, and OneDrive. Ensure secure, reliable, and well-governed operation of the Microsoft 365 environment. Security Operations: Define and enforce the infrastructure security baseline, including system hardening, patch and vulnerability management, Microsoft Defender, SIEM monitoring (e.g., Microsoft Sentinel), least-privilege access, and Zero Trust principles. Lead response and root-cause analysis for security incidents and major outages. Compliance & Governance: Ensure systems comply with corporate IT policies, audit requirements (e.g., SOX IT General Controls),



and frameworks such as ISO 27001, NIST CSF, and CIS Benchmarks, as well as customer or defense-related requirements where applicable. Maintain access reviews and change control, prepare audit evidence, and track remediation to closure. Define RTO/RPO targets and conduct regular restore and DR tests. Virtualization & Data Centre: Manage Hyper-V and/or VMware virtualization, storage, and on-premises server infrastructure, including capacity planning and hardware lifecycle refresh. Monitoring & Service Management: Use NinjaRMM, Azure Monitor, and ticketing systems to monitor system health and performance, define service levels, and ensure timely resolution of escalated incidents and problems. Project & Vendor Management: Lead infrastructure projects such as upgrades, migrations, and recent implementations from planning through delivery. Manage vendors, service providers, and licensing, and contribute to IT budget planning. Maintain architecture diagrams, standard operating procedures, runbooks, and configuration standards, and ensure team documentation is current and audit-ready. Partner with IT leadership, business units, and global Amphenol IT teams to align infrastructure with business needs and corporate standards. Bachelor’s degree in Computer Science, Information Technology, or a closely related field.

Experience:
8 to 10 years of progressive experience in system administration and IT infrastructure, including at least 3 years in a senior, lead, or architect role and demonstrated experience designing and managing production Azure environments. Leadership: Proven experience leading, mentoring, or supervising a team of System Administrators, managing priorities across multiple projects, and

📌 Senior Systems Administrator | Secret Clearance | Remote (Canada)
🏢 Amphenol
📍 Canada