HiringCafe
Join our community

35 linux administrator jobs at 29 companies in Highland, CA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2mo
Save
Mark Applied
Hide
Linux Administrator
Irvine, California, United States
$100k-$115k/yr OnsiteFull Time
Boot Barn
Boot BarnNYSE: BOOT: Specialty retailer of western and work-related apparel and footwear.
3+ YOEBachelors or equivalent experience, 3+ years system administration, Windows Domain Group Policy, Microsoft Exchange/Office 365, PowerShell, Microsoft Windows Server, virtualization, networking, Azure, Kubernetes, Ansible, scripting, backup and restore, and willingness to work extended hours.
Microsoft Windows Server, Microsoft Active Directory, DNS, DHCP, SMB, NFS, Kubernetes, Ansible, PowerShell, Microsoft Exchange, Microsoft Office 365, Azure, PAM, MDM
Job PostingView all
1mo
Save
Mark Applied
Hide
IT Systems Administrator
Orange, California, United States
$80k-$115k/yr OnsiteFull Time
Winchester Interconnect
Winchester Interconnect: Designs and manufactures custom connectors and cable assemblies.
8+ YOE8+ years systems administration experience in multi-site manufacturing; 8+ years SQL/database administration; proficiency with Windows Server, Linux/Unix, virtualization, cloud platforms, networking, backup/DR, and cybersecurity.
Google Enterprise, ADP, Crowdstrike Falcon, Tanium, Microsoft Active Directory, GlobalShop, SQL, Microsoft Windows Server, Linux/Unix, VMware, Microsoft Hyper-V, AWS, Microsoft Azure, Google Cloud
Job PostingView all
1mo
Save
Mark Applied
Hide
IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
AstroForge
AstroForge: Mines and refines valuable minerals from near-Earth asteroids.
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+
Job PostingView all
1w
Save
Mark Applied
Hide
Network Administrator
La Mirada, California, United States
$63k-$93k/yr OnsiteFull Time
Solid State Devices, Inc.
Solid State Devices, Inc.: Manufacturer of high-reliability power semiconductors for aerospace and defense.
4+ YOEMinimum 4 years network administration experience, associate/bachelor's in IT or equivalent, relevant certifications preferred (CompTIA Network+, CCNA/CCNP, Microsoft Azure Administrator, JNCIA). Strong troubleshooting, security, and communication skills.
Cisco routers, Cisco switches, firewalls, wireless access points, Windows Server, Linux/Unix, SolarWinds, Wireshark, Nagios, Active Directory, VMware, TCP/IP, DNS, DHCP, SNMP, FTP
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior SAP Basis Administrator
Irvine, California, United States
$115k-$172k/yr OnsiteFull Time
ITT
ITTNYSE: ITT: Manufactures engineered components for transportation, energy, and industrial 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
Job PostingView all
2w
Save
Mark Applied
Hide
Splunk Administrator (Site Reliability Engineer)
Tustin or Riverside or Sacramento
$47-$75/hr HybridFull Time
SchoolsFirst Federal Credit Union
SchoolsFirst Federal Credit Union: Provides financial banking and lending services to members.
5+ YOE5+ years relevant experience, Bachelor\u0002s or equivalent, knowledge of Splunk/SPL, Java/.NET, Linux/Windows servers, observability/APM, containerization, scripting, incident response and ITIL practices.
Splunk, Search Processing Language (SPL), Application Dynamics, SNMP, IBM Security Access Manager (ISAM), IBM/Apache HTTP Server, IBM Secure Directory Server, Docker, Kubernetes, Openshift, Python, Jenkins, Git/Gitflow, Ansible, Quay, Artifactory, Redhat Linux, Microsoft Windows Server, Java, .NET, IBM AIX
Job PostingView all
3w
Save
Mark Applied
Hide
Network Security Administrator
Tustin, California, United States
$150k-$180k/yr OnsiteFull Time
Design West Technologies
Design West Technologies: Designs and manufactures aerospace and defense electro-mechanical systems.
5+ YOE5–8 years in network/systems/cybersecurity; hands-on Palo Alto (NGFW, Prisma Access, Cortex XDR); Microsoft Windows Server, Linux, Microsoft Azure, Microsoft Entra ID; CMMC Level 2/NIST SP 800-171 knowledge; active or obtainable Secret clearance.
Palo Alto Networks, NGFW, Prisma Access, Cortex XDR, Microsoft Windows Server 2016\u00092022, Linux, Microsoft Azure, Microsoft Entra ID, Microsoft Active Directory, PowerShell, Bash
Job PostingView all
6d
Save
Mark Applied
Hide
IT Systems Administrator / AWS Infrastructure Specialist
Rancho Santa Margarita, California, United States
$45-$65/hr HybridFull Time
Melissa
Melissa: Provides global address, identity, and contact data quality solutions.
Experience administering AWS, Linux (Ubuntu), Windows, Kubernetes and Docker; familiarity with EC2, ALB, EKS and Alibaba Cloud; participation in SOC2/ISO 27001/FedRAMP compliance; OSCAL/documentation automation; on-call support availability.
AWS, EC2, ALB, EKS, Alibaba Cloud, Kubernetes, Docker, Ubuntu, Linux, Windows, OSCAL (Open Security Controls Assessment Language), hypervisors
Job PostingView all
1w
Save
Mark Applied
Hide
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: Provides higher education and vocational training in Southern California.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Systems Administrator 3 - Network and Desktop Computing - FT - Day
Orange, California, United States
$51-$78/yr HybridFull Time
University of California, Irvine
University of California, Irvine: Public research university offering higher education and academic degrees.
5+ YOE5+ years enterprise computing experience; advanced networking (TCP/IP, DNS, DHCP), scripting/automation (Python, PowerShell, Ansible, Puppet), Linux (RHEL, Ubuntu), VMware, Nutanix, Cisco UCS, Windows Server, storage and security expertise.
TCP/IP, ARP, DHCP, UDP, DNS, Routing & Firewalls, Python, PowerShell, Ansible, Puppet, Nutanix, VMware, VMware PowerCLI, Red Hat Enterprise Linux (RHEL), Ubuntu, Windows Server, DFS, ITIL, Fiber Channel (FC), Cisco UCS, Allscripts, EPIC, Electronic Medical Records (EMR), EMC, HP, IBM, Active Directory, CommVault Simpana, Orion, Microsoft Exchange, Microsoft Lync, SQL, Oracle
Job PostingView all
2mo
Save
Mark Applied
Hide
IT Security Administrator
El Monte, California, United States
$71k-$81k/yr OnsiteFull Time
Mutual Trading
Mutual TradingTokyo Stock Exchange: 2531: Importer and distributor of Japanese food and restaurant supplies
1+ YOEManage and monitor security operations, respond to incidents, maintain tools, and enforce security policies.
Microsoft Defender, Microsoft 365 Security & Compliance, Microsoft Intune, MDM/MAM, Windows, macOS, Linux, SIEM, IDS/IPS, Firewalls, Endpoint protection
Job PostingView all
1mo
Save
Mark Applied
Hide
Information Security Administrator
Chino, California, United States
$129k-$157k/yr OnsiteFull Time
Inland Empire Utilities Agency
Inland Empire Utilities Agency: Provides regional wastewater treatment and wholesale water distribution services.
5+ YOEFive years of information security governance and operations; knowledge of network monitoring, vulnerability management; experience with OT/ICS security is desirable; must hold valid California driver’s license and one security certification.
Firewalls, Endpoint protection, SIEM, VPNs, Microsoft 365, Azure, Windows servers, Linux servers, Active Directory
Job PostingView all
3mo
Save
Mark Applied
Hide
Data Center Administrator
Rancho Santa Margarita, California, United States
$65k-$100k/yr OnsiteFull Time
Applied Medical
Applied Medical: Manufacturer of advanced medical devices and surgical products.
2+ YOE2+ years IT/infrastructure experience; strong knowledge of on-prem and cloud infrastructure, OS, networking, security; able to manage multiple projects in 24x7 environment.
Windows, Linux/UNIX, Active Directory, Azure Active Directory, DHCP, DNS, Microsoft Exchange, SharePoint, Teams, SQL, Oracle, PostgreSQL, Networking (Routers/Switches/Firewalls), SAN/NAS, VMware, Cloud infrastructure, Security (SSL, ACLs)
Job PostingView all
2mo
Save
Mark Applied
Hide
10351 - Systems Administrator III
Irvine, California, United States
$135k-$150k/yr OnsiteFull Time
Hyundai AutoEver America
Hyundai AutoEver AmericaKorea Exchange: 307950: Provides automotive software and IT services for mobility systems.
8+ YOE8+ years networking experience; cloud/platform experience; strong TCP/IP, BGP, OSPF; AWS/GCP/Azure networking; virtualization and security knowledge.
Terraform, Ansible, Python, Jira, ServiceNow, Confluence, Prometheus, Grafana, Splunk, ELK, SNMP, SSH, WMI, NetFlow, SolarWinds, Orion, Windows, Linux, UNIX, Cisco, Arista, OpenStack, OpenShift
Job PostingView all
1mo
Save
Mark Applied
Hide
IT Systems Engineer
Anaheim, California, United States
RemoteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
4+ YOEBachelor's degree with 4+ years systems administration experience or 6+ years without degree; Linux administration required; experience with Veeam Backup & Replication and Veeam Recovery Orchestration; Microsoft Windows Server administration; must pass drug screen.
Linux, Veeam Backup & Replication, Veeam Recovery Orchestration, Microsoft Windows Server
Job PostingView all
6d
Save
Mark Applied
Hide
IT Network Admin (CISCO Certified)
Tustin, California, United States
OnsiteContract
360S2G
360S2G: Provides SaaS ERP and billing software for utility providers.
Install and maintain routers, switches, firewalls and wireless; manage AD, VPNs, backups; apply security patches; perform network monitoring and troubleshooting; pass LIVESCAN/background checks.
TCP/IP, DNS, DHCP, Cisco, Juniper, Aruba, Windows Server, Linux, Active Directory, Group Policy, VMware, Hyper-V, Fortinet, Palo Alto, Cisco ASA, PRTG, SolarWinds, Nagios, PowerShell, Bash, Microsoft 365, Azure
Job PostingView all
2w
Save
Mark Applied
Hide
(Senior) Quality Specialist for Distributed Systems (Riverside, CA, US)
Riverside, California, United States
OnsiteFull Time
SAP
SAPFrankfurt Stock Exchange: SAP: Developer of enterprise business software and cloud applications.
Experience with distributed systems, system administration on Linux, proficiency in two of Java/C++/Python, BS/MS in CS or Electrical Engineering, strong architecture and cloud platform knowledge.
Linux, Java, C++, Python, Hadoop, HDFS, Spark
Job PostingView all
1w
Save
Mark Applied
Hide
IT Support Services II - Help Desk
Palm Springs, California, United States
OnsiteFull Time
Courser
Courser: Provides managed IT services through a network of partner companies.
3+ YOE3+ years IT support or system administration experience, knowledge of Windows/Linux/macOS, networking (TCP/IP,DNS,DHCP,VPN), helpdesk tools, strong communication and troubleshooting skills.
Windows Server, Linux, macOS, TCP/IP, DNS, DHCP, VPN, ServiceNow, JIRA, Zendesk, ConnectWise, AWS, Azure, VMware, Hyper-V
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Cloud Operations Engineer - DBA
Irvine, California, United States
OnsiteFull Time
TP-Link
TP-Link: Global manufacturer of networking hardware and smart home devices.
5+ YOEBachelor's in CS/IT, 5+ years administering cloud (AWS) databases (MySQL/PostgreSQL), Linux administration, scripting (Shell/Python/Java), familiarity with NoSQL, strong communication and collaboration skills.
AWS, MySQL, PostgreSQL, MongoDB, Cassandra, DynamoDB, Redis, Linux, Shell, Python, Java, DMS
Job PostingView all
3d
Save
Mark Applied
Hide
Senior IT Engineer
Irvine, California, United States
$140k-$180k/yr OnsiteFull Time
Turion Space
Turion Space: Builds spacecraft for orbital debris removal and satellite servicing.
5+ YOE5+ years in IT operations or systems administration, expert scripting/automation (PowerShell, Python, Bash), config management (Ansible/Puppet/Chef), Windows and Linux administration, networking and virtualization, Azure AD/Entra ID and MDM experience, ability to obtain US security authorization.
Microsoft PowerShell, Python, Bash, Ansible, Puppet, Chef, Terraform, Git, Azure, AWS, Hyper-V, VMware, Microsoft Azure AD, Entra ID, MDM, Windows, Linux
Job PostingView all

Explore Jobs

Expand Your Job Search