Senior IT & Security Manager — Cloud & Identity

Lyte AI Inc.; Sunnyvale (CA); On-site; USD 150,000 - 230,000; Full time

Benefits offered by this job

Salary & equity

Medical coverage

Flexible time off

Inclusive environment

Job summary

Lyte AI Inc. is seeking a senior hands-on IT & Information Security Manager to own and continuously improve our internal IT environment in Sunnyvale, CA.

You will combine strategic thinking with deep technical execution, driving security, reliability, and cost-efficiency across cloud, endpoints, networking, and identity management. Responsibilities include leading security operations, managing Microsoft 365/Entra ID/Intune, configuring firewalls, and partnering with Engineering to enable secure

Qualifications

• 12+ years of progressive, hands-on IT infrastructure, systems administration, and IT operations experience.
• Strong hands-on experience with Microsoft 365, Entra ID, Intune, identity management, MFA, Conditional Access, and RBAC.
• Strong networking experience, including firewalls such as Palo Alto, Fortinet, Juniper, or Cisco, routing and switching, VPN/remote access, and network segmentation.
• Experience managing macOS and Windows environments, including endpoint provisioning, device management (Intune, Jamf), and endpoint security.
• Strong understanding of cloud and hybrid infrastructure across AWS, Azure, and/or GCP.
• Demonstrated experience improving infrastructure efficiency and managing or optimizing cloud, SaaS, and IT costs.
• Strong Information Security experience, including security controls, vulnerability management, access management, incident response, and risk management.
• Ability to troubleshoot complex technical issues independently and drive projects from problem identification through implementation.
• Working knowledge of scripting and automation using Bash, PowerShell, Python, or similar technologies.
• Strong judgment, documentation, communication, and vendor-management skills.

Responsibilities

• Support the company’s IT infrastructure, operations, and information security environment end-to-end.
• Define and maintain a secure, scalable, and cost-effective IT architecture across cloud, SaaS, endpoints, networking, and internal systems.
• Manage and optimize cloud and infrastructure spend, including licensing, SaaS applications, compute, storage, and other technology costs.
• Manage Microsoft 365, Entra ID, and Intune, including identity management, SSO/MFA, Conditional Access, RBAC, Exchange, SharePoint, and Teams.
• Administer and troubleshoot Linux systems and environments, including patching, hardening, access controls, monitoring, and availability.
• Support and maintain network equipment and firewalls, including configuration, monitoring, segmentation, VPN/remote access, and troubleshooting across office and site locations.
• Support endpoint management and security across macOS, Windows, and Linux, including MDM via Microsoft Intune and Jamf, device encryption, patching, EDR, vulnerability management, and local administrator controls.
• Lead Information Security operations, including security architecture, policies and standards, risk management, vendor security reviews, awareness programs, vulnerability remediation, and incident response readiness.
• Partner closely with Engineering and technical teams on cloud and hybrid infrastructure, secure access, backups, networking, storage, and business continuity.
• Securely evaluate and enable AI tools and AI infrastructure, including access controls, data protection, approved-tool governance, and technical enablement.
• Manage IT vendors, technology contracts, licensing, renewals, and service-provider performance.
• Automate repetitive IT and security workflows using Bash, PowerShell, Python, or similar tools.
• Identify infrastructure, security, reliability, and cost risks proactively and drive them through resolution.

Skills

Microsoft 365

Entra ID

Intune

Identity management

MFA

RBAC

Networking

Firewalls

Cloud infrastructure

Endpoint management

Scripting & automation

Tools

Palo Alto

Fortinet

Juniper

Cisco

Job description

Lyte AI Inc. is seeking a senior hands-on IT & Information Security Manager to own and continuously improve our internal IT environment in Sunnyvale, CA.

You will combine strategic thinking with deep technical execution, driving security, reliability, and cost-efficiency across cloud, endpoints, networking, and identity management. Responsibilities include leading security operations, managing Microsoft 365/Entra ID/Intune, configuring firewalls, and partnering with Engineering to enable secure