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28 infrastructure administrator jobs at 24 companies in Petaluma, 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 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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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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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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Network & Security Administrator
South San Francisco or Watsonville or Aptos
$125k-$140k/yr OnsiteFull Time
Ohalo Genetics
Ohalo Genetics: Developing novel plant breeding systems and improved crop varieties.
5+ YOERequires 5+ years in network administration or IT infrastructure, UniFi networking, WAN, wireless and wired networks, core protocols, MDM/UEM, Google Workspace, documentation, troubleshooting, and security fundamentals.
Ubiquiti UniFi, UniFi Network, UniFi Access, UniFi Protect, Hexnode UEM, Google Workspace, KnowBe4, Notion, Jira, Slack, Python, Bash, Zapier, TCP/IP, DHCP, DNS, VLAN, VPN, SOC 2
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Infrastructure Engineering Advisor- Hybrid
Walnut Creek, California, United States
$110k-$176k/yr HybridFull Time
The Cigna Group
The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.
3+ YOEBachelor's in CS/CE or related and 3+ years Kafka systems administration; experience with Kafka cluster build, HA/DR, security (SSL,SASL/LDAP,Kafka ACLs), Kafka Connect, schema registry, upgrades, performance tuning, AWS/Azure provisioning, automation with Ansible/Terraform/shell scripting.
Kafka, Zookeeper, Kafka Connect, Schema Registry, Kafka ACLs, SSL, SASL/LDAP, AWS, Azure, EC2, EBS, Okta, Ansible, Terraform, shell scripting
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Manager, Workplace Projects & Infrastructure
Berkeley, California, United States
$105k-$135k/yr OnsiteFull Time
The Voleon Group
The Voleon Group: Quantitative investment management firm using machine learning strategies.
4+ YOE4+ years workplace project management or facilities experience; proven ability to manage complex office buildouts, renovations, relocations, lease administration, budgets, vendors, and stakeholders; strong communication and organizational skills.
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Legal Program Manager, Compute & Infrastructure
San Francisco or Seattle
$285k-$340k/yr HybridFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
Experience managing high-volume infrastructure/vendor contracting, CLM administration, process and workflow design, data-driven reporting, and using AI/LLM tooling; strong communication and cross-functional collaboration; bachelor’s degree or equivalent.
Contract lifecycle management (CLM), Ironclad, LLM
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Senior Specialist, Cyber Administration
San Leandro, California, United States
$105k-$194k/yr OnsiteFull Time
Fisica
Fisica: Designs and manufactures defense antennas and electromagnetic systems.
6+ YOEActive U.S. Secret security clearance, U.S. citizenship, 6+ years enterprise infrastructure experience, Windows/VMware/Active Directory/Fortinet/Aruba experience, cybersecurity and RMF familiarity, strong troubleshooting and communication skills.
Microsoft Azure Government, Microsoft 365 GCC High, Windows Server, VMware, Fortinet, Aruba, Veeam, Nutanix, eMASS
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1w
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Document Control Specialist
Atlanta or Fresno or Los Angeles or New York City or Sacramento or San Francisco or Seattle
$90k-$120k/yr OnsiteFull Time
Luster National
Luster National: Manages large-scale infrastructure and capital improvement projects.
5+ YOEBachelor’s degree or equivalent experience, 5+ years of document control on large complex heavy-civil infrastructure projects, and proficiency with document control, version control, and Microsoft Office systems.
Microsoft SharePoint, e-Builder, Procore, Aconex, Asite, Microsoft Outlook, Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Power BI, Oracle Cloud Analytics
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5d
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Sr. DNS Engineer
Indianapolis or Burlington or Bellevue or McLean or San Francisco or New York City
$149k-$224k/yr HybridFull Time
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
5+ YOERequires 5+ years in cloud architecture, Linux administration, Python, public cloud platforms, networking, containers, infrastructure automation, CI/CD, monitoring, and large-scale infrastructure operations.
Linux, Python, GCP, AWS, Microsoft Azure, Kubernetes, Docker, Splunk, Puppet, Spinnaker, Terraform, Git, Jenkins, Travis CI, Chef, Salt, Ansible, Grafana, AWS Route 53
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Senior Manager, Technical Support Engineering - Cloud
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$198k-$264k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
5+ YOE5+ Mgmt5+ years leading infrastructure or data center support, Linux administration, hardware diagnostics, GPU infrastructure familiarity, incident/escalation management, ticket systems experience, and metrics-driven ops.
Linux, Jira, Zendesk, NVIDIA A100/H100s
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Information Technology Specialist I
Richmond or Contra Costa County or Sacramento
$7k-$11k/mo OnsiteFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Systems administration role requiring IT service knowledge, technical troubleshooting, server and hardware knowledge, scripting, virtualization, infrastructure maintenance, and independent problem-solving.
Active Directory, Wide Area Network (WAN), National DNA Index System (NDIS), Electronic mail, Internet, PowerShell
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3w
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Information Technology Analyst IV (Sr. Network Engineer)
Fairfield, California, United States
$130k-$158k/yr HybridFull Time
Solano County
Solano County: Providing essential public services and governance to local residents.
5+ YOEBachelor's degree required; 5+ years progressive IT experience; experience in software development, infrastructure, network and systems administration; project leadership and security experience.
NeoGOV
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DevOps Engineer III
San Ramon, California, United States
$104k-$153k/yr RemoteFull Time
Robert Half
Robert HalfNYSE: RHI: Provides specialized staffing and global business consulting services.
5+ YOEBachelor's or equivalent,5+ years supporting enterprise infrastructure/cloud/DevOps,Windows and Linux administration,VMware,PeopleSoft/MuleSoft/MOVEit experience,automation and IaC expertise.
PeopleSoft, MuleSoft, MOVEit, AWS, Windows, Linux, VMware
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IT Support Technician II (Onsite)
San Francisco, California, United States
$33-$35/hr OnsiteFull Time
Meals on Wheels San Francisco
Meals on Wheels San Francisco: Provides nutritious meals and support services to homebound seniors.
5+ YOE5+ years system administration experience, M365/Intune/EntraID/cloud infrastructure experience, strong troubleshooting, MSP and Salesforce experience preferred, college degree in CS preferred.
MS Teams, Sharepoint, Salesforce, Vonage, Microsoft Office 365, Active Directory, M365, Intune, EntraID
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Project Manager
San Ramon or Stockton or Chico or Fresno or Sacramento
$91k-$120k/yr HybridFull Time
ENTRUST Solutions Group
ENTRUST Solutions Group: Provides engineering and consulting services for utility and energy infrastructure.
1+ YOEMinimum 1 year project administration/management experience; experience with utility/infrastructure or construction projects; ability to manage scope, schedule, cost and lead cross-functional teams.
SAP, Primavera Unifier, ProjectWise, Tableau, PowerBI
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3w
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Senior Engineer: Tier 3 - (On-site)
Philadelphia or Las Vegas or Irvine or Denver or Indianapolis or Grand Rapids or Lexington or Los Angeles or Louisville or Texas or San Francisco
$125k-$150k/yr FieldFull Time
Trace3
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
6+ YOEBachelor's or equivalent, 6+ years IT infrastructure experience, strong networking and systems administration skills, data center and low-voltage cabling knowledge, ability to travel frequently, valid driver’s license.
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Staff Systems Engineer, Data Streaming
Emeryville, California, United States
$180k-$233k/yr HybridFull Time
Pixar Animation Studios
Pixar Animation Studios: Produces computer-animated feature films and animation software.
12+ YOE12+ years Linux systems experience, Kafka administration, scripting (Python or shell), infrastructure-as-code (Ansible/Puppet/Terraform), troubleshooting, and leading large projects; Perforce and cloud experience preferred.
Kafka, Perforce P4, Python, Shell, Ansible, Puppet, Terraform, Elasticsearch, Splunk, Oracle DB, Linux
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IT Operations Manager
San Francisco, California, United States
$125k-$135k/yr OnsiteFull Time
AuPairCare
AuPairCare: Matches families with international au pairs for live-in childcare.
10+ YOE2+ MgmtBachelor's degree or equivalent IT experience; 10+ years of IT experience including 2+ years managing IT teams. Requires Google Workspace and Microsoft 365 administration, infrastructure, security, vendor, and budget management.
Google Workspace, Gmail, Google Drive, Google Calendar, Google Groups, Microsoft 365, Microsoft Exchange, Microsoft SharePoint, Microsoft Teams, Microsoft OneDrive, Microsoft Active Directory, OpenVPN, AWS, Cisco Meraki, Windows, Linux, VM, VPC, Proofpoint, Webroot, Microsoft Intune, JumpCloud, Huntress, Talkdesk, Zoho Desk, GCP
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