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41 infrastructure administrator jobs at 31 companies in Vacaville, CA

1mo
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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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3d
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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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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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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 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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6d
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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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4d
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System/ Network Administrator
Sacramento, California, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
5+ YOEBachelor's degree in a related technology field and 5 years of experience, including 2 years in public safety, government, or critical infrastructure. Requires US citizenship, CCNA, network administration, ITSM, and on-call availability.
Cisco IOS, Cisco IOS-XE, OSPF, BGP, EIGRP, STP, VLANs, Cisco ASA/FTD, Palo Alto, Fortinet, TCP/IP, DNS, DHCP, QoS, ServiceNow, Remedy, Windows Server, Linux, SolarWinds, PRTG, Nagios, IPAM, VPN, IDS/IPS, Cisco Viptela, VMware VeloCloud
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5d
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System/ Network Administrator
Sacramento, California, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
5+ YOEBachelor’s degree and 5 years of network and systems administration experience, including 2 years in public safety, government, or critical infrastructure. Requires CCNA, U.S. citizenship, Cisco networking, ITSM, Windows Server, Linux, and on-call availability.
SolarWinds, PRTG, Nagios, Microsoft Windows Server, Linux, ServiceNow, Remedy, Cisco IOS, Cisco IOS-XE, Cisco ASA, Cisco FTD, Palo Alto, Fortinet, Cisco Viptela, VMware VeloCloud, OSPF, BGP, EIGRP, STP, VLANs, IPAM, SD-WAN, VPN, IDS/IPS, DNS, DHCP, QoS
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1w
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Senior Network Administrator
Tustin or Sacramento
$42-$64/hr HybridFull Time
SchoolsFirst Federal Credit Union
SchoolsFirst Federal Credit Union: Provides financial banking and lending services to members.
3+ YOEHigh school diploma or GED, bachelor's degree or equivalent experience, and 3–5 years of network infrastructure experience. CCNA Routing and Switching required; on-call, travel, and network expertise required.
Cisco, SD-WAN, ITSM, Python, Ansible, Live Action, Thousand Eyes, SolarWinds, Aruba, SNMP, TCP/IP, VLAN, NAT, QoS, DHCP, DNS, IPsec, EIGRP, OSPF, BGP, HSRP, MPLS
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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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1w
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IT System Administrator
Sacramento County, California, United States
$7k-$11k/mo OnsiteFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Provide specialized support for CAD, MDC, and desktop infrastructure; troubleshoot enterprise Active Directory and Windows Server environments; administer Group Policy, DNS, DHCP; perform technical documentation and subject-matter-expert duties; pass background investigation.
Computer Aided Dispatch (CAD), Mobile Digital Computer (MDC), Microsoft Active Directory, Windows Server, Group Policy, DNS, DHCP, Hyper-V, VMware, PowerShell, SQL, CLETS, CJIS
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1mo
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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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Senior System Administrator (Endpoint & SaaS)
Folsom, California, United States
$115k-$130k/yr HybridFull Time
Inductive Automation
Inductive Automation: Developer of the Ignition industrial automation and SCADA platform.
4+ YOE4+ years IT experience managing and supporting infrastructure; strong knowledge of Linux, Windows, MacOS; experience with Intune, JAMF, Ansible, virtualization/containers, Terraform; security, storage, and DR knowledge; able to work on-site as needed.
Linux, Microsoft Windows, MacOS, Microsoft Intune, JAMF, Ansible, VMware, Proxmox, Kubernetes, Docker, Terraform
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2w
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Cleared IT System Administrator / Computer Infrastructure Engineer - Special Programs Operations, Onsite
Livermore, California, United States
$89k-$172k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
2+ YOEActive DOE Q clearance (ability to obtain DOE SCI), CompTIA Security+ (or equivalent), 2+ years relevant experience or equivalent education, experience with CentOS/Oracle Linux/Windows Server, VMWare, scripting, Ansible, and 24/7 operational support.
CentOS 8, Oracle Linux 8+, Windows Server 2019, Windows 10, Linux, Windows, VMWare, Ansible, Splunk, Solarwinds
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2w
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Cleared IT System Administrator / Computer Infrastructure Engineer - Special Programs Operations, Onsite
Livermore, California, United States
$89k-$172k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
2+ YOEActive DOE Q-level clearance, 2+ years related experience or equivalent, experience with CentOS/Oracle Linux/Windows, ability to work 24/7/365 and be on-call, willingness to obtain CompTIA Security+.
CentOS 8, Oracle Linux 8+, Windows Server 2019, Windows 10, VMWare, Ansible, Splunk, Solarwinds
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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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4d
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Research Computing Lead (SYS ADM 4 TX)
Davis, California, United States
$108k-$213k/yr HybridFull Time
University of California, Santa Cruz
University of California, Santa Cruz: Public research university offering undergraduate and graduate academic programs.
Advanced systems administration experience, automation and scripting skills, infrastructure security knowledge, cross-team technical leadership, stakeholder consulting, research computing architecture expertise, and technical documentation ability.
Puppet, Ansible, BigFix, shell scripting, Python, Git, Slurm, Apptainer, Singularity, AWS, Microsoft Azure, GCP, MATLAB, R, CUDA, NFS, NAS, SAN, ZFS, TrueNAS, ITIL, UC IS-3, CIS Controls, NIST, ISO
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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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