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77 infrastructure administrator jobs at 59 companies in San Mateo, CA

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AWS Infrastructure Administrator
San Francisco, California, United States
$140k-$150k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOE10+ years experience designing and managing AWS data infrastructure; proficiency with S3, Glue, EMR, Redshift, Athena, Lambda, Kinesis, RDS, Python and SQL; IaC (Terraform/CloudFormation); Spark, Kafka, Airflow; monitoring and security.
S3, Glue, EMR, Redshift, Athena, Lambda, Kinesis, RDS, Python, SQL, Scala, Terraform, CloudFormation, Apache Spark, Kafka, Apache Airflow, AWS Step Functions, CloudWatch, Datadog, Prometheus, Grafana
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3w
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IT Infrastructure Administrator
San Jose, California, United States
$115k-$130k/yr HybridFull Time
Frank Rimerman
Frank Rimerman: Provides accounting, tax, and advisory services to innovative businesses.
3+ YOE3+ years supporting enterprise Windows Server, Microsoft 365/Entra ID, VMware, backup solutions, networking (Cisco/Meraki), PowerShell automation, and LogicMonitor; bachelor\u0002s degree or equivalent experience; relevant industry certifications preferred.
Microsoft Active Directory, Group Policy, DNS, DFS, File Services, Microsoft 365, Exchange Online, Entra ID (Azure AD), OAuth, VMware vSphere, VxRail, Cohesity, AvePoint, Zerto, PKI, Mimecast, SPF, DKIM, DMARC, Microsoft Defender for Office 365, Abnormal Security, Cato SASE, LogicMonitor, PowerShell, Meraki, Cisco Umbrella/OpenDNS
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Infrastructure Engineer
San Jose, California, United States
$110k-$160k/yr OnsiteFull Time
Monolithic Power Systems
Monolithic Power SystemsNasdaq: MPWR: Provides energy-efficient integrated power semiconductor solutions for electronics.
Experience in DevOps/Infrastructure engineering supporting 24/7 production; Linux/Windows administration; Python, Bash, Ansible scripting; OpenStack/VMware and storage experience; strong problem-solving and communication.
Python, Bash, Ansible, Linux, Windows, API, OpenStack, VMware, Nimble, Pure, NetApp, Docker, Kubernetes, AWS, Azure, GCP, Prometheus, ELK stack
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3w
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IT Infrastructure Engineer
Petaluma or Denver
$120k-$145k/yr HybridFull Time
Spheros Environmental
Spheros Environmental: Environmental consulting firm providing integrated science-based sustainability solutions.
8+ YOE8+ years in IT support/systems administration in Microsoft 365 environments; expertise with endpoint security, networking, Azure/on‑prem infrastructure, documentation, and incident response.
Entra, Intune, Veeam, VMware vCenter, Windows Server, Azure Files, Cloudflare One, Unifi, Cisco, SentinelOne, KnowBe4 Defend, Deep Seas, Microsoft 365, Microsoft Defender for Endpoint, Cloudflare WARP, AWS EC2, Jira
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2mo
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Core Infrastructure System Administrator (System Administrator 2) - Fremont, CA
Fremont, California, United States
$100k-$150k/yr HybridFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
2+ YOEEducation/experience combination required (Bachelor's +2 yrs, Associate +6 yrs, or HS +8 yrs). Requires system administrator experience, 2+ years programming/administrating Physical Access Control Systems, team leadership experience, Windows patching/Active Directory knowledge, basic VLANs/routing, Security+ / CASP / CISSP certification, and MS Off...
Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint, Windows, Linux, Microsoft Active Directory, VLANS, Physical Access Control Systems
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Core Infrastructure System Administrator (System Administrator 3)- Fremont, CA
Fremont, California, United States
$115k-$158k/yr OnsiteFull Time
M.C. Dean
M.C. Dean: Designs and builds cyber-physical systems for mission-critical facilities.
5+ YOESystem administration experience, Windows/Linux server management, AD and patching, 2+ years PACS programming, Security+/CASP/CISSP, networking/VLANs knowledge, team leadership experience, flexible schedule, up to 25% travel.
Windows, Linux, Active Directory, Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint, VLANs, Physical Access Control Systems
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HPC Systems Administrator (Hardware & Infrastructure Operations)
Stanford, California, United States
$150k-$172k/yr OnsiteFull Time
Stanford University
Stanford University: A private research university providing higher education and research.
3+ YOEManage and maintain large-scale HPC hardware and infrastructure, perform diagnostics and root-cause analysis, collaborate with data center teams, automate provisioning and monitoring; bachelor's degree plus experience required.
Linux, Slurm, Lustre, InfiniBand, DCIM, NVIDIA H200, x86
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5d
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Systems Administrator
Dublin, California, United States
$110k/yr OnsiteFull Time
DeSilva Gates Construction
DeSilva Gates Construction: Infrastructure and heavy civil engineering construction services provider.
3+ YOERequires 3+ years in systems or network administration or IT infrastructure, with experience supporting distributed locations, enterprise networks, cybersecurity, access management, vendors, and technical users.
Microsoft 365, VMware, Zerto, Cisco Meraki, UniFi, ChatGPT, LAN/WAN, Wi-Fi, VPN, DNS, DHCP, MFA, RMM, VoIP, Autodesk, Autodesk Forma, PlanGrid, Bluebeam, Planera, HCSS
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1w
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Solr Administrator
Sunnyvale, California, United States
$91k-$127k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Bachelor's degree or equivalent experience; expertise supporting Apache Solr, AWS infrastructure, monitoring, logging, automation, cluster administration, incident response, and 24x7 on-call operations.
Apache Solr, AWS, Java, Hubble, Splunk, Prometheus, Grafana
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Infrastructure Engineer (Data Center Operations)
Sunnyvale, California, United States
OnsiteFull Time
Cerebras Systems
Cerebras SystemsNasdaq: CBRS: Manufactures specialized computer chips designed for AI.
3+ YOE3+ years in data center or infrastructure engineering; strong Linux administration, x86 hardware, enterprise networking, BIOS/firmware and remote management; scripting with Bash or Python; on-site work and ability to lift/move servers.
ip, dmesg, netstat, ping, Bash, Python, IPMI, iDRAC, iLO, PXE, NFS, RAID, Ansible, BIOS
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Systems Administrator
Fremont or Seattle
$105k-$125k/yr OnsiteFull Time
Cytek Biosciences
Cytek BiosciencesNASDAQ: CTKB: Manufacturer of spectral flow cytometry instruments and biological reagents.
10+ YOE10+ years in systems/network administration managing Windows/Linux servers, virtualization (VMware/Hyper-V), cloud (Azure/AWS), networking, AD/Group Policy, VPN, backup/DR, and multi-site infrastructure.
VMware, Hyper-V, Azure, AWS, Cisco AnyConnect, DNS, DHCP, DUO, Active Directory, Group Policy, NetSuite, Salesforce, Propel, Docker, PowerShell, Bash, Python, TCP/IP
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2d
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Lead Infrastructure Engineer (Encryption Security-Hashicorp Vault)
Chandler or West Des Moines or San Francisco or Columbus or Charlotte or Iselin or Irving or Minneapolis or United States
$119k-$224k/yr HybridFull Time
Wells Fargo
Wells FargoNYSE: WFC: Global provider of banking, investment, and mortgage financial services.
5+ YOERequires 5+ years of infrastructure engineering experience, 3+ years with HashiCorp Vault, Linux administration, Vault lifecycle management, automation, enterprise security, and strong written and oral communication.
HashiCorp Vault, Linux, Red Hat, Ansible, Terraform, Kubernetes, Splunk, Grafana, GitHub, CI/CD, LDAP, AppRole, JWT/OIDC, TLS, HSM, Vault Agent, Vault Proxy, PKI, Azure, GCP
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1mo
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Senior Microsoft Cloud Infrastructure Engineer
San Francisco, California, United States
$160k-$195k/yr OnsiteFull Time
Crusoe
Crusoe: Provides energy-efficient cloud infrastructure powered by stranded and renewable energy.
8+ YOE8+ years infrastructure experience with 5+ years on Azure/M365; deep Microsoft 365 and Entra ID administration, Azure infrastructure and Azure Arc, IaC (Terraform/Bicep/ARM), Windows Server, PowerShell/Azure CLI, and data center hardware work.
Microsoft 365, Microsoft Exchange Online, Microsoft SharePoint Online, Microsoft Teams, Microsoft OneDrive, Entra ID (Azure AD), Azure, Azure Arc, Terraform, Bicep, ARM, PowerShell, Azure CLI, Hyper-V, VMware vSphere, Active Directory, DNS, DHCP, Group Policy, ExpressRoute, VPN, Microsoft Sentinel, SIEM/SOAR
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1d
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Infrastructure Engineer - IS Systems Specialist III (Open & Promotional)
San Mateo County, California, United States
$139k-$174k/yr OnsiteFull Time
County of San Mateo
County of San Mateo: Provides public administration and healthcare services for San Mateo County residents.
4+ YOERequires 4 years of IT infrastructure or server administration experience, or equivalent education and experience, with expertise in Windows Server, Active Directory, virtualization, hybrid cloud, automation, monitoring, backup, and disaster recovery.
Windows Server, Active Directory, DNS, Okta, OAuth, MFA, Microsoft Entra ID, Azure AD Connect, VMware vCenter, VMware ESXi, Nutanix, Hyper-V, Microsoft Configuration Manager, SCCM, Ansible, PowerShell, Linux, Azure
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2mo
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Senior System Administrator (MSO)
Livermore, California, United States
$111k-$150k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years IT/network administration experience; TS/SCI (or DoE Q) clearance; DoD 8570-compliant certifications; experience with SolarWinds, Splunk, Wireshark; knowledge of critical physical infrastructure.
SolarWinds, Splunk, Wireshark, BMC Remedy, Linux, Windows, SNMP
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Senior IT Infrastructure & Security Engineer
Sunnyvale, California, United States
$175k-$225k/yr OnsiteFull Time
Scout AI
Scout AI: Building the robotic foundation model for multi-domain defense.
7+ YOE7+ years network and infrastructure engineering; experience with CMMC/NIST SP 800-171, cloud (AWS/Azure), IaC, Linux/Windows administration, Python/Bash scripting, identity/access management, and compliance.
CMMC, NIST SP 800-171, AWS, Azure, Python, Bash, Linux, Windows
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1w
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GPU Infrastructure Engineer
Mountain View, California, United States
$175k-$260k/yr HybridFull Time
Rune
Rune: Builds modular data centers that monetize wasted renewable energy.
Requires RoCEv2/RDMA, NCCL, GPU diagnostics, Linux administration, fleet automation, networking, driver and firmware compatibility, and customer-facing production escalation experience.
RDMA, RoCEv2, ECN, DCQCN, PFC, DCBX, Mellanox ConnectX, NCCL, perftest, nccl-tests, NVLink, NVSwitch, NVIDIA DCGM, nvidia-smi, Xid, Linux, SSH, fail2ban, sshd, Ansible, InfiniBand, OpenSM, UFM, Slurm, Kubernetes, Run:AI, SR-IOV
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2mo
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Senior System Administrator (MSO)
Livermore, California, United States
$111k-$150k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOE8+ years IT/network administration experience, TS/SCI or DoE Q clearance required, DoD 8570 compliant certifications, experience with SolarWinds/Splunk/Wireshark, HVAC/infrastructure familiarity, US citizenship.
SolarWinds, Wireshark, Splunk, BMC Remedy, Linux, Windows, SNMP
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23h
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System Administrator
Emeryville, California, United States
$115k-$130k/yr RemoteFull Time
E2 Consulting Engineers
E2 Consulting Engineers: Provides professional engineering, infrastructure, and environmental consulting services.
5+ YOEBachelor's degree or equivalent experience; 5–8 years designing and supporting complex Microsoft 365, infrastructure, endpoint, identity, or cloud solutions, with strong documentation and communication skills.
Microsoft 365, Entra ID, Exchange Online, Microsoft SharePoint, OneDrive, Microsoft Teams, Intune, Defender, Microsoft Azure
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1w
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System Administrator
Oakland or West Sacramento or California
FieldFull Time
SEIU Local 2015
SEIU Local 2015: Represents California long-term care workers through advocacy and bargaining.
4+ YOERequires 4–7 years administering enterprise systems, servers, networks, and infrastructure, including Windows Server, Active Directory, Exchange, network security, telecommunications, backups, and disaster recovery.
Microsoft Windows Server, Active Directory, Exchange, Voice over Internet Protocol (VoIP), Microsoft SQL Server
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