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Linux Administrator
Irvine, California, United States
$100k-$115k/yr OnsiteFull Time
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
1mo
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Senior System Administrator
Seal Beach, California, United States
$146k-$198k/yr OnsiteFull Time
Bachelor's degree in a related STEM field, active Top Secret/SCI clearance (or recent T5/SSBI), experience administering Linux/Solaris systems, and ability to support hardware/software installation, security hardening, and disaster recovery.
Linux, Solaris, RHEL 8/9, VMware ESXi 8/9, Risk Management Framework (RMF)
1w
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Linux Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
6+ YOEActive Secret clearance, 6+ years Linux administration (RHEL/Ubuntu), 4+ years DoD/industrial security with RMF, 2+ years virtualized infrastructure (VMware/Hyper-V/OpenShift), Trellix, AD/IdAM, NetApp/Veeam experience, ability to lift 40lbs, DoD 8140.01 certs.
RHEL, Ubuntu, VMware, Hyper-V, OpenShift, Trellix, ePO, Active Directory, IdAM, GPOs, DNS, DHCP, NetApp, Veeam, Docker, LXD, Ansible, Puppet, Splunk
1mo
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Senior System Administrator
Seal Beach, California, United States
$146k-$198k/yr OnsiteFull Time
Bachelor's degree in a related field, active Top Secret/SCI clearance, experience with Linux/Solaris (RHEL 8/9, Solaris 10/11), VMware ESXi, security and RMF knowledge, and ability to administer servers, storage, and user access.
Linux, Solaris, RHEL 8, RHEL 9, Solaris 10, Solaris 11, VMware ESXi 8, VMware ESXi 9, Risk Management Framework (RMF), Agile
2mo
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IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
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+
1mo
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System Engineer- ArcGIS
Redlands or St. Louis or Vienna
$121k-$198k/yr OnsiteFull Time
8+ YOE8+ years experience deploying and administrating enterprise ArcGIS or comparable systems; Windows/Linux sysadmin; scripting (Python, PowerShell, JavaScript, C#); RDBMS and SQL; Top Secret/SCI clearance and US citizenship; Bachelor\u0002s in STEM.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, RDBMS, SQL, SQL Server, Oracle, PostgreSQL, Python, PowerShell, Javascript, C#, Windows, Linux
1mo
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Senior Systems Administrator
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
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)
1mo
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Classified Systems Administrator
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad
$115k-$160k/yr OnsiteFull Time
3+ YOETS/SCI with CI Polygraph required; U.S. citizenship. 3+ years technical experience or equivalent. Linux (Red Hat/CentOS/Ubuntu) and Windows administration, Active Directory, networking, NAS, firewall, PowerShell automation, DoD security guidance knowledge, and after-hours support.
Red Hat, CentOS, Ubuntu, Windows, NAS Storage, Firewall, Microsoft Active Directory, Group Policy, PowerShell, Enterprise Virtualization Tools, Multi-Factor Authentication, Public Key Infrastructure, Web Server, LDAP, Security Technical Implementation Guidelines (STIGS), Security Content Automation Protocol (SCAP), Host Based Security System (HBSS), Assured Compliance Assessment Solution (ACAS), DoD Ports, Protocols, and Services (PPS)
1mo
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Network Security Administrator
Tustin, California, United States
$150k-$180k/yr OnsiteFull Time
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
1d
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Systems Administrator
Anaheim, California, United States
$90k-$95k/yr OnsiteFull Time
5+ YOEBachelor's in IT or related,5+ years experience, experience with networking equipment, server and security protocols, Active Directory, and supporting Tier I/II technicians.
VMWare, Ubiquiti, Linux, RDP, Active Directory, Intune, Azure, O365, Office 365, Microsoft Excel, Microsoft Word, Microsoft Outlook, Endpoint Protection, Anti-Virus, Firewalls, routers
2w
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IT Systems Administrator / AWS Infrastructure Specialist
Rancho Santa Margarita, California, United States
$45-$65/hr HybridFull Time
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
2w
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District Network Systems Administrator
Mission Viejo, California, United States
$9k-$13k/mo OnsiteFull Time
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
1mo
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IT Systems Engineer
Anaheim, California, United States
RemoteFull Time
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
3mo
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10351 - Systems Administrator III
Irvine, California, United States
$135k-$150k/yr OnsiteFull Time
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
3w
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(Senior) Quality Specialist for Distributed Systems (Riverside, CA, US)
Riverside, California, United States
OnsiteFull Time
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
1mo
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IT Systems Engineer
Anaheim, California, United States
$80k-$120k/yr RemoteFull Time
4+ YOE4+ years systems administration experience with Linux required; experience with Veeam Backup & Replication and Microsoft Windows Server; Bachelor's in IT/CS/IS preferred (or 6 years experience); must pass drug screen.
Veeam Backup & Replication, Veeam Recovery Orchestration, Linux, Microsoft Windows Server, ERP
3w
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Senior Systems Analyst (68.26)
San Dimas, California, United States
$106k-$181k/yr OnsiteFull Time
7+ YOE7+ years systems analysis experience, BS in Computer Science or equivalent, Oracle DB/CC&B experience preferred, SQL/PLSQL, Linux administration, troubleshooting, strong communication and change management skills.
Oracle Customer Care and Billing (CC&B), Oracle Business Intelligence Publisher, Automic Automation Manager, OpenText Exstream, Oracle Mobile Workforce Management (MWM), Customer Web Self-Service (CSS), Oracle Database, SQL, PL/SQL, SQL Developer, Toad, Linux, Oracle Weblogic Server, Enterprise Manager, Oracle Utilities SDK, Eclipse, Oracle SOA Suite, Oracle Integration, Java, Python, BI Publisher
3mo
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Site Reliability Engineer II
Aliso Viejo, California, United States
$146k-$219k/yr OnsiteFull Time
5+ YOE5+ years in software development or Linux systems administration; strong communication; on-call rotation/incidents.
Kong API Gateway, Istio, Linkerd, Kuma, Kubernetes, Rancher, Prometheus, Grafana, Elasticsearch, Kafka, Ceph, MongoDB, Redis, Cassandra, PostgreSQL, MySQL, Python, Bash, Go, Java, C++, Rust
2w
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IT Support Services II - Help Desk
Palm Springs, California, United States
OnsiteFull Time
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
1mo
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IT Systems Engineer II
La Mirada or United States
$58-$67/hr HybridFull Time
2+ YOE2+ years systems engineering (3+ IT experience preferred). Expertise in Linux/Windows/macOS administration, cloud platforms (AWS, Azure), containerization (Kubernetes), GitOps, Ansible, identity and endpoint management, automation/IaC, security best practices, and use of AI for operational tasks.
Linux, Windows, macOS, iOS, Kubernetes, Google Workspace, Zoom, Microsoft 365, AWS, Azure, GitOps, Ansible, Entra ID, Intune, SCCM, Jamf
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