Senior IT & InfoSec Leader - Cloud, Security & Ops

Lyte; Sunnyvale (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Competitive salary

Equity

Comprehensive healthcare

Job summary

Lyte is seeking a senior IT & Information Security Manager to lead and scale our internal IT environment. You will own security, cloud infrastructure, and cost management, driving architecture decisions and hands-on execution across Linux, Windows, macOS, and enterprise services.

You will partner with engineering, security, and operations teams to implement robust controls, automation, and a secure hybrid infrastructure.

Qualifications

• 12+ years of progressive 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 Linux systems administration experience.
• Strong networking experience including firewalls, routing, VPN/remote access, and segmentation.
• Experience managing macOS and Windows environments, including endpoint provisioning and security.
• Strong understanding of cloud/hybrid infrastructure across AWS, Azure, and/or GCP.
• Experience improving infrastructure efficiency and managing cloud, SaaS, and IT costs.
• Strong Information Security experience including controls, vulnerability management, access management, incident response, and risk management.
• Strong scripting and automation knowledge (Bash, PowerShell, Python).
• Excellent judgment, documentation, communication, and vendor-management skills.

Responsibilities

• Support IT infrastructure, operations, and information security end-to-end.
• Define secure, scalable, cost-effective IT architecture across cloud, SaaS, endpoints, networking, and internal systems.
• Manage and optimize cloud and infrastructure spend, licensing, SaaS, compute, and storage.
• Manage Microsoft 365, Entra ID, and Intune including SSO/MFA, access controls, RBAC, Exchange, SharePoint, and Teams.
• Administer and troubleshoot Linux environments including patching, hardening, and monitoring.
• Maintain network equipment and firewalls, including configuration, monitoring, VPN, and segmentation.
• Support endpoint management and security across macOS, Windows, Linux (Intune, Jamf).
• Lead Information Security operations including policies, risk management, and incident readiness.
• Collaborate with Engineering on cloud/hybrid infra, backups, networking, and business continuity.
• Evaluate and enable AI tools with governance, data protection, and access controls.
• Manage IT vendors, contracts, licensing, and service performance.
• Automate IT and security workflows using Bash, PowerShell, Python, or similar.

Skills

IT leadership

Cloud cost

Scripting

Networking

Security governance

Vendor mgmt

Problem solving

Tools

Microsoft 365

Intune

Jamf

Palo Alto

AWS

PowerShell

Job description

Lyte is seeking a senior IT & Information Security Manager to lead and scale our internal IT environment. You will own security, cloud infrastructure, and cost management, driving architecture decisions and hands-on execution across Linux, Windows, macOS, and enterprise services.

You will partner with engineering, security, and operations teams to implement robust controls, automation, and a secure hybrid infrastructure.