via Gem
$120K - 150K a year
Manage and optimize enterprise IT infrastructure including email, identity, endpoints, and network systems, ensuring reliability, security, and modernization.
Extensive hands-on experience with Microsoft 365, Azure, networking, endpoint management, and automation, with at least 5 years in a senior engineering role.
Senior Systems Engineer, Information Technology Job Summary: We are hiring a Senior Systems Engineer to own the reliability, modernization, and performance of our modern workplace infrastructure. You will be the technical owner of our Microsoft 365/Entra ID environment, endpoint management (~650 devices), Meraki network stack, and core SaaS foundations. This is a senior hands-on role for an engineer who builds scalable, automated systems and acts as a subject matter expert for the organization. Core Responsibilities: · Email & M365 Ownership: Architect and administer Exchange Online, including mail flow rules, routing, DNS records (SPF/DKIM/DMARC), and Mimecast policy management. Manage Entra ID identity lifecycle, access policies (Conditional Access), and collaboration settings for ~1,000 users. · Modern Endpoint Management: Manage the full lifecycle of ~650 endpoints (Windows/macOS) using Intune/Autopilot. Define imaging standards, update rings, and compliance policies. · Physical Infrastructure: Oversee MDF/IDF rack management, including racking/stacking equipment, cable management, UPS maintenance, and coordinating low-voltage cabling projects for office builds or expansions. · Tier 3 Escalation Support: Serve as the final point of escalation for complex desktop, network, and identity support issues that cannot be resolved by Helpdesk or MSP. · Backup & Recovery: Manage and monitor enterprise backup systems (e.g., Veeam for M365/Azure), ensuring data integrity and successful recovery capabilities for critical business data. · Network Operations: Maintain and monitor our Cisco Meraki stack (MX, MS, CW) across 4 regional offices, ensuring uptime and secure connectivity. · SaaS Administration: Serve as the technical administrator for key business platforms, managing integrations, SSO configuration, and user provisioning. · Azure Infrastructure: Support and administer our growing Azure footprint, including SQL services, App Services, and Blob Storage. Collaborate with the team on cloud architecture and resource management. · Automation & Efficiency: Build automation workflows using Power Automate and light PowerShell scripting to replace manual tasks and improve system reliability. How You Will Operate: · Primary Decision Maker: You are the owner of your domain. You will make day-to-day technical decisions on configuration and architecture within agreed guardrails, escalating only for material risk or budget. · Proactive Builder: You identify performance bottlenecks or modernization opportunities and drive them from concept to implementation. · Subject Matter Expert: You are the go-to technical authority for infrastructure. You recommend the "what, when, and how” of system changes and are accountable for the results. Technical Requirements: · 5+ years deep hands-on engineering experience in a Microsoft 365 / Cloud-first environment. · Identity & Directory Services: Expert-level Entra ID (Azure AD) and Active Directory skills: SSO/SAML, SCIM, Conditional Access, Group Policy, and identity lifecycle management. · Email Management: Expert-level knowledge of Exchange Online, mail routing, DNS management (SPF/DKIM/DMARC), and secure email gateway configuration (Mimecast/Proofpoint). · Endpoints: Proven experience architecting Intune for modern management (Autopilot, Configuration Profiles, Compliance Policies). · Physical Infrastructure: Experience with server room/IDF management, racking and stacking hardware, UPS configuration, and overseeing structured cabling/low-voltage vendors. · Azure: Hands-on experience with Azure services, including SQL Database, App Services, Blob Storage, and virtual infrastructure. · Networking: Hands-on experience configuring and troubleshooting Cisco Meraki networks (Firewalls, Switches, Wireless). · Automation: Comfortable building Power Automate workflows and writing light PowerShell scripts for M365 administration and process automation. · Collaboration: Deep knowledge of SharePoint Online / Teams architecture, permissions, and external sharing controls. · AI for Operations: Experience using AI tools (ChatGPT, Claude, Copilot) with effective prompt engineering to improve operational workflows, research, and troubleshooting.
This job posting was last updated on 1/24/2026