8,135 Results for

Senior IT Jobs in Saratoga, CA

Jobs

Audit Manager Visa

Foster City, CA

$129,200–$206,700 / year

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. Serve as a key contact with client management, explaining the audit process and scope, keeping management apprised of audit progress and issues, and effectively delivering audit results to all levels of management.

30+ days ago

Senior IT Desktop Support Technician BillionToOne Inc

Menlo Park, CA

$84,066–$105,083 / year

Our revolutionary QCT molecular counting technology enhances disease detection resolution by over a thousandfold using cell-free DNA,a breakthrough that has already transformed the lives of over half a million patients worldwide. At BillionToOne, we''ve built a category-defining, publicly traded company on Nasdaq where transparency fuels trust, collaboration drives breakthroughs, and every contribution moves the needle on our mission to make life-changing diagnostics accessible to all.

30+ days ago

Senior IT Systems Administrator I Harness Inc

Mountain View, CA

$80,000–$110,000 / year

Over the past year, Harness powered over 185M deployments, 82M builds, 18T flag evaluations, 8M security scans, 9.1B optimized tests, 3T protected API calls, and helped manage $2.8B in cloud spend - enabling customers like United Airlines, Morningstar, and Choice Hotels to accelerate releases by up to 75%, reduce cloud costs by up to 60%, and achieve 10x DevOps efficiency. Powered by Harness AI and the Software Delivery Knowledge Graph, the Harness Platform applies deep context and intelligent automation across the software delivery lifecycle with governance and policy-driven controls embedded throughout the platform.

30+ days ago

Senior IT Manager Antora Energy

San Jose, CA

$175,000–$210,000 / year

This person will combine strategic leadership with hands-on execution - leading IT planning and governance while directly improving systems, security, and operational reliability across corporate, factory, and project-site environments. Strong knowledge of network architecture and security, identity and access management (SSO, authentication systems), endpoint security and device management, and infrastructure monitoring and vulnerability management.

30+ days ago

Sr. IT/Security Engineer I.T. Solutions, Inc.

Palo Alto, CA

$50 / hour
Quick Apply

Reporting to the Associate Director, IT, you will take prioritized initiatives from the business and IT & Security roadmap(s) and deliver them end-to-end: planning, coordinating stakeholders and vendors, implementing, validating, documenting, and handing off to steady-state operations. Run multiple concurrent IT and security projects end-to-end: define scope and success criteria with the Associate Director, build the plan, track dependencies and risks, and drive to completion on schedule.

2 days ago

Sr. IT Administrator Illumio

Sunnyvale, CA

Configure and maintain Microsoft Defender for Office 365 email protection and security policies, including anti-phishing, anti-spam, malware protection, Safe Links, Safe Attachments, and related threat protection capabilities. This role requires extensive hands-on experience managing Windows and macOS environments and will serve as a subject matter expert for endpoint management, Microsoft administration, identity and access management, IT automation, and enterprise applications.

23 days ago

Senior IT Systems Administrator I Harness Inc.

Mountain View, CA

$115,000–$130,000 / year

30+ days ago

Senior IT Systems Engineer Lyte

Sunnyvale, California

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. Key areas of ownership include information security, cloud and infrastructure management, IT operations, networking and firewalls, identity and endpoint management, and infrastructure cost optimization.

30+ days ago

Senior IT Desktop Support Technician BillionToOne

Menlo Park, CA

$85,327–$106,659 / year

Our revolutionary QCT molecular counting technology enhances disease detection resolution by over a thousandfold using cell-free DNA,a breakthrough that has already transformed the lives of over half a million patients worldwide. At BillionToOne, we've built a category-defining, publicly traded company on Nasdaq where transparency fuels trust, collaboration drives breakthroughs, and every contribution moves the needle on our mission to make life-changing diagnostics accessible to all.

2 days ago

Senior IT Operations Manager - Pleasanton, CA Calyxo Inc

Pleasanton, CA

$180,000–$195,000 / year

You will own our enterprise network and endpoint infrastructure - including switching, firewall, and wireless environments - and will be the operational lead for our core security tooling stack (endpoint detection and response, security awareness training, and endpoint/cloud security). Hands-on, specific experience configuring, administering, and troubleshooting enterprise-grade switching, firewall, and wireless network equipment (e.g., Cisco, Cisco Meraki, Palo Alto Networks, Fortinet, Juniper, Aruba, or similar) is required.

30+ days ago

Senior IT Support Mytra

Brisbane

Our team is currently focused on formalizing IT support and governance across a growing company and application landscape, and we need a proactive, service-minded specialist to help us deliver a fast, reliable end-user experience while becoming the company's trusted knowledge expert across our core business applications. Have proven experience with macOS and Windows endpoint support, SaaS administration, and identity/MDM platforms (Rippling, Jamf, Intune, or Kandji), with 5+ years in IT support and at least 2 in a senior, lead, or escalation-point role.

30+ days ago

Senior IT Infrastructure Specialist, Networking and Systems Mytra

Brisbane

Our team is currently focused on building resilient, secure, and scalable networking, systems, and physical security infrastructure to support a fast-growing office, lab, and manufacturing environment, and we need a hands-on, technically deep specialist to help us design, harden, and operate the backbone that everything else at Mytra runs on. Have proven experience designing and operating enterprise networks (switching, routing, VLANs, firewalls, wireless, and VPN), with 7+ years in IT infrastructure and at least 3 in a senior or lead capacity.

22 days ago

Senior IT Manager Akuna Capital for MIT students

San Jose, CA

$175,000–$210,000 / year

This person will combine strategic leadership with hands-on execution — leading IT planning and governance while directly improving systems, security, and operational reliability across corporate, factory, and project-site environments. Strong knowledge of network architecture and security, identity and access management (SSO, authentication systems), endpoint security and device management, and infrastructure monitoring and vulnerability management.

2 days ago

Senior IT Manager Antora Energy Inc

San Jose, CA

$175,000–$210,000 / year

30+ days ago

Senior IT Systems Administrator Interviewstreet Inc

Santa Clara, CA

$135,000–$148,000 / year

The Global IT team delivers secure, reliable and user-friendly workplace technology for employees across regions, managing employee support, endpoints, identity and access, business applications, IT assets and workplace technology while partnering with Security, People, Finance and external service providers. As a Senior IT Systems Administrator, you will provide hands-on IT support for the Bay Area office and support employees across the AMER and EMEA regions - administering the macOS endpoint environment, identity and access platform, and core SaaS applications.

30+ days ago

Senior IT Specialist, Executive Technology MongoDB

Palo Alto, CA

$100,000–$180,000 / year

Maintain deep knowledge of executive rooms (Zoom Rooms, Teams rooms, QSYS / DSPs, control systems, cameras, microphones); partner with AV Engineering for backstage live support and to remediate recurring room issues. The way of working behind this role is built on a simple framework: routine diagnostics, health checks, and reporting are handled through automation and intelligent tooling wherever possible, freeing your time for the judgment calls, relationship-building, and in-person moments that actually require a human.

21 days ago

Sr. IT Infrastructure Engineer Compass Consulting

South San Francisco, CA

Quick Apply

In this role, you will leverage your expertise to maintain and support existing on-premises infrastructure while leading initiatives to migrate and optimize our systems on Google Cloud Platform (GCP). Deep knowledge of Windows Server, Linux environments, and enterprise infrastructure services such as Active Directory, DNS, DHCP, and hybrid identity management.

30+ days ago

Senior IT/Security Engineer US Data Management LLC

Palo Alto, CA

Run multiple concurrent IT and security projects end-to-end: define scope and success criteria with the Associate Director, build the plan, track dependencies and risks, and drive to completion on schedule. Resource will take prioritized initiatives from the IT & Security roadmap(s) and deliver them end-to-end: planning, coordinating stakeholders and vendors, implementing, validating, documenting, and handing off to steady-state operations.

22 days ago

Senior IT Systems & Support Engineer Halcyon Financial Technology

Palo Alto, California

$100,000–$130,000 / year

Security & Compliance : CrowdStrike Falcon, CrowdStrike Guardian, Microsoft Defender for Cloud Apps, Mimecast, Microsoft Purview, Automation & AI : Microsoft Copilot, OpenAI ChatGPT, Anthropic Claude, Google Gemini, PowerShell, Python, Microsoft Graph, Power Automate, REST APIs. Cloud Networking Support the network behind a distributed, cloud-first workforce: DNS, DHCP, VPN, Wi-Fi, firewalls, and secure remote access.

12 days ago

Senior IT Systems Analyst, G&A Vaxcyte

San Carlos, California

$164,000–$191,000 / year

Reports to: Associate Director, IT Enterprise Systems Location: San Carlos, CA Work Arrangement (may be adjusted based on business needs, job responsibilities, or changes to company policy): Hybrid (minimum of 3 days per week onsite). The analyst ensures platform reliability, data integrity, and seamless operations while delivering strategic enhancements and managing system releases in alignment with organizational priorities.

30+ days ago

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Senior IT Jobs in Saratoga, CA

Audit Manager Visa

Senior IT Desktop Support Technician BillionToOne Inc

Senior IT Systems Administrator I Harness Inc

Senior IT Manager Antora Energy

Sr. IT/Security Engineer I.T. Solutions, Inc.

Sr. IT Administrator Illumio

Senior IT Systems Administrator I Harness Inc.

Senior IT Systems Engineer Lyte

Senior IT Desktop Support Technician BillionToOne

Senior IT Operations Manager - Pleasanton, CA Calyxo Inc

Senior IT Support Mytra

Senior IT Infrastructure Specialist, Networking and Systems Mytra

Senior IT Manager Akuna Capital for MIT students

Senior IT Manager Antora Energy Inc

Senior IT Systems Administrator Interviewstreet Inc

Senior IT Specialist, Executive Technology MongoDB

Sr. IT Infrastructure Engineer Compass Consulting

Senior IT/Security Engineer US Data Management LLC

Senior IT Systems & Support Engineer Halcyon Financial Technology

Senior IT Systems Analyst, G&A Vaxcyte

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