Staff ML Infrastructure Engineer building and scaling robust Compute platforms for Simulation and data workflows at GM. Collaborating with engineers to drive efficiency and reliability in AI infrastructure.
About the role
- Lead Infrastructure Engineer overseeing cloud-first enterprise IT infrastructure at Medical Guardian. Responsible for design, maintenance, and performance of Azure cloud infrastructure and security response.
Responsibilities
- Own and manage Azure-based infrastructure including compute, networking, DNS, VPNs, virtual appliances, private endpoints, and storage accounts.
- Administer and optimize Microsoft 365 services including Exchange Online, SharePoint Online, OneDrive, Teams, and Entra ID (Azure AD).
- Implement and support Intune Endpoint Manager, Conditional Access, and other identity governance and device compliance tools.
- Act as Tier 3 escalation for infrastructure and network issues, both during and outside business hours—including security events requiring immediate response.
- Support and monitor Proofpoint Email Security, working closely with the Security & Compliance team to investigate threats and mitigate phishing attempts.
- Perform log analysis across platforms such as Azure Monitor, Sentinel, Defender, and Proofpoint to assist in incident triage and root cause investigations.
- Manage on-site network infrastructure, including switch and firewall configuration (Cisco), VLANs, wireless, and site connectivity.
- Troubleshoot complex network issues at the packet level using tools like Wireshark and perform physical diagnostics and hardware replacements as needed.
- Assist in the administration of Linux-based VMs (RHEL) and cloud workloads in Azure and AWS environments.
- Lead infrastructure automation and scripting efforts using PowerShell Bicep and Bash to improve operational efficiency and reduce manual overhead.
- Contribute to post-incident reviews and work with security teams on continuous improvement of system hardening and defense-in-depth.
- Partner with Help Desk, Security, and Engineering teams to deliver reliable, secure IT services and infrastructure.
- Maintain documentation of infrastructure configuration, network diagrams, and operational runbooks.
- Participate in on-call rotation for high-impact or after-hours infrastructure and security events.
Requirements
- Bachelor’s degree in Computer Science, Information Technology, or related field
- Minimum of 8+ years in IT infrastructure roles, with 3+ years in a senior or lead position
- Deep expertise with Microsoft Azure (IaaS/PaaS networking, compute, NSG, Private DNS, VPN Gateway, etc.)
- Strong working knowledge of Microsoft 365 (Exchange, SharePoint, Teams, OneDrive, Entra ID)
- Skilled in managing Conditional Access, SSO integrations, Intune/Endpoint Manager
- Experience with PowerShell scripting for automation and policy enforcement
- Proficient with TCP/IP, DNS, DHCP, VLANs, and firewall configurations
- Hands-on experience with Cisco Meraki network gear
- Experience with Proofpoint, Netskope, or other email/security platforms is a plus
- Admin-level knowledge of Linux servers (basic patching, log review, networking)
- Ability to write and troubleshoot Bash and PowerShell scripts
- Familiarity with Git and Infrastructure-as-Code concepts is a plus
Benefits
- Health Care Plan (Medical, Dental & Vision)
- Paid Time Off (Vacation, Sick Time Off & Holidays)
- Company Paid Short Term Disability and Life Insurance
- Retirement Plan (401k) with Company Match
Job title
Job type
Experience level
Salary
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Degree requirement
Tech skills
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