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Irvine • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Irvine • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Irvine • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Irvine • 50 milesRemote · Hybrid · Onsite · Field · All Environments

85 unix administrator jobs at 52 companies in Irvine, CA

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System Administrator

Los Angeles, California, United States

$60-$70/hr HybridContract

Cosm

Cosm: Immersive entertainment, media, and technology operating shared-reality venues for sports, entertainment, art, and education.

5+ YOE5+ years infrastructure/system administration experience (media/VFX preferred). Expert Windows/Mac/Linux administration, system imaging, scripting (PowerShell/Bash/Python), render farm and storage management, AWS and monitoring tools.

Windows, Mac, Linux, WDS, WSUS, SCCM, ECM, PDQ Deploy, PowerShell, Bash, Python, HP Anyware, Parsec, Splashtop, Jump Desktop, Nuke, Resolve, Cinema 4D, Houdini, Thinkbox Deadline, AWS Deadline Cloud, RenderMan, LogicMonitor, Grafana, S3, EC2, VPC, Intune, Apple Business, JAMF Pro, Cisco Prime, Arista CloudVision, Aruba Central, Ruckus SmartZone

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Systems Administrator

Los Angeles, California, United States

$85k-$120k/yr OnsiteFull Time

Antares Nuclear

Antares Nuclear: Factory-produced, deployable fission microreactors to provide strategic energy for mission-critical systems across Earth, space, and underseas.

2+ YOE2+ years IT support/systems administration experience; Microsoft 365/Entra ID/Intune knowledge; endpoint, networking, and cloud (Azure/AWS) familiarity; PowerShell and troubleshooting skills; compliance/audit documentation experience.

Microsoft 365, Microsoft Entra ID, Microsoft Intune, Microsoft Defender, Microsoft Exchange, Microsoft Teams, Microsoft SharePoint, Windows, macOS, Linux, PowerShell, Microsoft Azure, AWS, GCC High, Ubiquiti, UniFi, Zoom, PSA, RMM, VPN, LAN, WAN, WiFi, TCP/IP, DNS, DHCP, VLAN, NAC

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DreamWorks Technology - Systems Administrator, Operations

Glendale, California, United States

$70k-$85k/yr OnsiteFull Time

DreamWorks Animation

DreamWorks Animation: American family-entertainment animation studio creating feature films, television series, and shorts for global audiences.

3+ YOE3+ years supporting UNIX/Linux and/or Windows in enterprise environments; undergraduate degree or equivalent; experience with AD, networking, scripting (Bash, Python, PowerShell, Perl); strong troubleshooting and customer service skills.

SSH, rsync, Active Directory, Group Policies, File Sharing, Print Services, Bash, Python, Microsoft PowerShell, Perl, Gmail, Google Suite, Jira, Linux, OSX, Windows

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IT Systems Administrator

Seal Beach, California, United States

$86k-$150k/yr OnsiteFull Time

AstroForge

AstroForge: Private U.S. asteroid-mining extracting platinum-group metals and critical minerals for Earth.

3+ YOE3+ years in IT systems administration with cross-platform support (macOS, Windows, Linux); network administration; IAM; cloud and SaaS management; ITAR/CMMC awareness.

macOS, Windows, Linux, routing, switching, VPNs, firewalls, wireless, Active Directory, Azure AD, Okta, AWS, GCP, Azure, Google Workspace, Microsoft 365, Slack, Zoom, GitHub, Bash, PowerShell, Python, Jamf, Intune, NIST CSF, CIS Controls, CompTIA Security+, Network+

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Cloud System Administrator

Los Angeles, California, United States

HybridFull Time

Salt Productions

Salt Productions: Salt Productions is a private experiential production agency creating in-person brand experiences and events for clients worldwide.

1+ YOEIT systems administration experience, cloud infrastructure support, networking fundamentals, shell and Python scripting, professional Mac, Windows, or Linux administration, and Google Cloud Platform familiarity.

Google Cloud Platform (GCP), Compute Engine, IAM, Cloud Storage, VPC, Cloud Monitoring, Ansible, Terraform, Grafana, Python, Mac, Windows, Linux, TCP/IP, DNS, VPN, firewalls, routing, SaaS

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Senior System Administrator

Playa Vista, California, United States

$97k-$154k/yr OnsiteFull Time

Inversion Space

Inversion Space: Privately held aerospace building autonomous reentry vehicles for defense, logistics, and rapid cargo delivery from orbit.

5+ YOERequires 5+ years’ comparable experience, secure or defense environment experience, cloud, virtualization, networking, Windows/Linux administration, troubleshooting, and ability to obtain a U.S. government Secret/Top Secret clearance.

AWS, Microsoft Azure, Google Cloud Platform (GCP), Windows, Linux, Red Hat Enterprise Linux (RHEL), Docker, Kubernetes, PowerShell, Bash, Ansible, Terraform, AWS DevOps, AWS Solutions Architect, Google Professional Cloud Architect, Azure DevOps, Azure Solutions Architect

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Senior Systems Administrator

Long Beach, California, United States

$103k-$155k/yr OnsiteFull Time

Relativity Space

Relativity Space: Aerospace developing 3D-printed rockets and launch services.

6+ YOE6+ years Linux and Windows systems administration experience; expertise in Linux, Active Directory, DNS, DHCP, enterprise backup solutions; scripting/automation and cloud (Azure/GCP) experience; strong troubleshooting and documentation skills.

Linux, Windows, Azure, GCP, Active Directory, DNS, DHCP, Veeam, Commvault, Rubrik, Ansible, Puppet, Terraform, Bash, Python, PowerShell

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Principal Systems Administrator

El Segundo, California, United States

$96k-$182k/yr OnsiteFull Time

RTX

RTXNYSE: RTX: Aerospace and defense providing advanced technology solutions.

5+ YOEUniversity degree or equivalent experience plus 5 years of relevant experience, or advanced degree plus 3 years. Requires U.S. citizenship, Secret clearance, Windows administration expertise, and DoD certification within 6 months.

Microsoft Windows, Microsoft Windows Server, DNS, DHCP, Active Directory, Microsoft WSUS, VMware, Red Hat Enterprise Linux, Linux, RAID, SCAP, STIGs

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System Administrator II

Colorado Springs or Irvine or Denver or Indianapolis or Grand Rapids or Lexington or Los Angeles or Louisville or Texas or San Francisco or United States

$105k-$115k/yr OnsiteFull Time

Trace3

Trace3: Private IT consulting provider serving enterprise and commercial organizations with AI, cloud, data, and cybersecurity services.

3+ YOEBachelor's degree or equivalent experience; 3–5 years of system administration experience; Windows/Linux, enterprise infrastructure, cybersecurity, cloud, automation, and compliance experience; Secret clearance eligibility; DoD 8570 IAT Level II certification.

Windows, Linux, Active Directory, DNS, DHCP, Group Policy, VMware vSphere, ESXi, Hyper-V, Azure, AWS, GCC High, PowerShell, Bash, Python, Ansible, SCCM/MECM, Chef, Puppet, STIG, SCC, IAVA, NIST 800-53, FedRAMP, CMMC, RMF

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Senior Systems Administrator

Costa Mesa, California, United States

$146k-$194k/yr OnsiteFull Time

Anduril Industries

Anduril Industries: Defense technology developing AI-powered autonomous military systems.

8+ YOE8+ years designing and implementing classified IT systems; experience with air-gapped systems, physical hardware, virtualization (VMware/Podman), Windows and Linux administration, DISA STIG hardening, NIST 800-53/RMF familiarity, automation, DoD 8570/8140 baseline certification, and active U.S. Top Secret clearance.

Lattice OS, Microsoft Windows, Microsoft Windows Server, Linux, VMware, Podman, Ansible, DISA STIGs, NIST 800-53, Risk Management Framework (RMF)

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System Administrator - Level 4

Pasadena, California, United States

$107k-$160k/yr OnsiteFull Time

Sophia Space

Sophia Space: Private orbital computing building AI systems and in-space data centers for defense, government, and commercial customers.

5+ YOE5+ years systems administration experience supporting mixed macOS/Windows/Linux environments; strong identity/access, MDM, networking, troubleshooting, documentation, and automation skills (Python/Bash/PowerShell).

Apple Business Manager, Google Workspace, Microsoft Entra ID, Intune, Python, Bash, PowerShell, MDM, SSO, SAML, SCIM, MFA, RBAC, VPNs, VLANs, Wi-Fi, Linux, NIST 800-171, CMMC

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System Administrator

Glendale, California, United States

$103k-$130k/yr OnsiteFull Time

Front Porch Communities and Services

Front Porch Communities and Services: Nonprofit organization dedicated to human-centered senior living.

2+ YOEMaintain and secure servers, networks, backups and monitoring; provide onsite and remote Tier I/II support, on-call coverage, and perform maintenance and disaster recovery tasks.

VMware, Windows Server, Linux, HPE, Pure, Veeam, Veeam Backup and Replication, Backup Exec, VMware Horizon, Citrix, Citrix NetScaler, Azure Windows Virtual Desktop, Active Directory, Exchange, Exchange Online, Group Policy, DNS, DFS, DHCP, SQL, PKI, SharePoint, SCCM, Azure, Skype for Business, Teams, ADFS, M365, Nagios, ManageEngine, Microsoft monitoring solutions, Cisco AnyConnect, iLO, TeamViewer, Remote Desktop, VNC, SSH, telnet, FTP, SDWAN

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Information Systems Administrator

Hawthorne, California, United States

OnsiteFull Time

Quantum Space

Quantum Space: Private U.S. space-defense building maneuverable spacecraft for national-security, civil, and commercial operators.

4+ YOE4+ years in system administration/DevOps/cloud/network support; experience with Linux/macOS/Windows, scripting (BASH/Shell/YAML), IaC (Terraform/Ansible/Puppet), Azure/AWS, IdP/SAML, cybersecurity (CompTIA Security+), and ability to obtain/maintain security clearance.

Linux, macOS, Windows, BASH, Shell, YAML, Terraform, Ansible, Puppet, Microsoft Azure, Amazon Web Services, IdP, SAML

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Systems Administrator 3/4 - Secret

Redondo Beach, California, United States

$104k-$194k/yr OnsiteFull Time

Northrop Grumman

Northrop GrummanNYSE: NOC: Global aerospace and defense technology.

3+ YOESecurity+ certification, current U.S. Government Secret clearance, Windows domain administration experience, and 3–12 years of experience depending on education and level.

Windows, Active Directory, Group Policy, ServiceNow, JIRA, DNS, DHCP, LDAP, Cisco, Cohesity, Veritas, SAN, HBSS, SolarWinds, Splunk, Linux, Solaris, OSX, UNIX

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Systems Administrator 3/4 - Secret

Redondo Beach, California, United States

$104k-$194k/yr OnsiteFull Time

Northrop Grumman

Northrop GrummanNYSE: NOC: Global aerospace and defense technology.

3+ YOERequires Secret clearance, Security+ certification, Windows domain administration experience, and 3–12 years of experience depending on level; ability to obtain Top Secret clearance and Special Program access.

Windows, Active Directory, Group Policy, ServiceNow, JIRA, DNS, DHCP, LDAP, Cisco, Cohesity, Veritas, SAN, HBSS, SolarWinds, Splunk, Linux, Solaris, OSX, UNIX

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District Network Systems Administrator

Mission Viejo, California, United States

$9k-$13k/mo OnsiteFull Time

South Orange County Community College District

South Orange County Community College District: Public California community college district serving South Orange County students through Saddleback, Irvine Valley, and workforce programs.

4+ YOEAdminister and maintain district LAN/WAN, design network solutions, troubleshoot network issues, prepare technical specifications, and collaborate with campus network administrators.

Windows, Linux, network management software, web server software, anti-virus servers

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IT Systems Administrator II

Garden Grove, California, United States

OnsiteFull Time

Evans Manufacturing

Evans Manufacturing: Evans Manufacturing is a promotional-products manufacturer making plastic and fabric branded goods for business customers.

2+ YOERequires 2+ years in Windows systems or network administration and two or more relevant certifications, such as CompTIA A+, CompTIA Network+, MCSA, or CCNA. Bachelor's degree or equivalent experience desired.

Active Directory, Entra ID, Hyper-V, VMware, Microsoft 365, Zoom Phone, Contact Center, Google Workspace, Windows Server, OS X, Linux, UniFi Access Points, UniFi Cameras, Checkpoint Harmony Endpoint Protection, Checkpoint Harmony Email & Collaboration, Ubiquiti UniFi, Exchange Online, Windows 365, Windows Sandbox

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Senior IT System Administrator

Long Beach, California, United States

$107k-$152k/yr OnsiteFull Time

Vast

Vast: Developing commercial space stations for permanent human presence.

4+ YOE4+ years enterprise IT systems administration; expertise with Windows Server, Active Directory, Group Policy, endpoint management (JAMF/Intune/SCCM), patch management, scripting (PowerShell/Python/Bash), virtualization, and networking fundamentals.

Windows Server, Active Directory Domain Services, Group Policy, Configuration Manager (SCCM), JAMF, Linux, VMware, Hyper-V, PowerShell, Python, Bash, WSUS, Ivanti, Automox, NIST 800-53, CIS benchmarks, CMMC

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Cloud Systems Administrator III

Fullerton, California, United States

$7k-$10k/mo OnsiteFull Time

California State University, Fullerton

California State University, Fullerton: Public research university in Southern California serving undergraduate, graduate and doctoral students through 110 degree programs.

4+ YOEBachelor's equivalent and four years of relevant experience or equivalent substitution. Requires advanced systems administration, cloud, operating systems, server, scripting, virtualization, project management, analytical, communication, and stakeholder skills.

Amazon Web Services (AWS), AWS Organizations, CloudFormation, AWS Cloud Development Kit (CDK), AWS Command Line Interface (CLI), AWS Systems Manager, CloudWatch, CloudTrail, Config, GuardDuty, IAM Access Analyzer, AWS Backup, AWS Budgets, Cost Explorer, Terraform, Git, Linux, Windows Server, containers, serverless

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Senior SAP Basis Administrator

Irvine, California, United States

$115k-$172k/yr OnsiteFull Time

ITT Inc.

ITT Inc.New York Stock Exchange: ITT: Public U.S. industrial manufacturer of engineered components and technology solutions for transportation, industrial, and energy markets.

3+ YOE3+ years SAP Basis experience (3-5 preferred), 1 year SAP Security, bachelor’s degree preferred, US citizenship required, hands-on S/4HANA and HANA administration, cloud (AWS/Azure) and Linux/Windows experience, strong incident & DR skills.

SAP Basis, S/4HANA, RISE with SAP, SAP HANA 2.0, HANA System Replication (HSR), SAP GUI, TMS, SAP BTP, Cloud Connector, SuccessFactors, Ariba, SAP ECC 6.0, SAP 4.0B/AS 400, BW on HANA, PI/PO, Fiori, CRM, EWM, LVM, Solution Manager, BOBJ BI, BODS, GRC, Content Server, Java, Oracle, MS SQL, SQL, SUSE, RHEL, Linux, Windows Server Cluster, Hyper-Visor, AWS, Azure, VPN, VPC, VNET

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