3mo
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Linux Systems Engineer
Pomona, California, United States
$96k-$127k/yr OnsiteFull Time
10+ YOE10+ years Linux systems engineering; Azure and on-prem; Linux hardening; scripting in Python/C; F5 BIG-IP/HAProxy; networking; security.
Linux (RHEL/Ubuntu), Azure, F5 BIG-IP, HAProxy, Python, C, CI, SELinux, auditd
3mo
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Linux Systems Engineer
Pomona, California, United States
$127k/yr OnsiteFull Time
10+ YOE10+ years Linux systems engineering with RHEL/Ubuntu, Azure IaaS/PaaS, networking (DNS/DHCP, routing, VLANs, SSL/TLS), F5/HAProxy, C/Python development, system hardening, observability, and incident RCA.
RHEL, Ubuntu, F5 BIG-IP, LTM, GTM, iRules, HAProxy, Microsoft Azure, Azure Load Balancer, Azure Firewall, VNets, NSGs, UDRs, C, Python, CI, SELinux, auditd, SSL/TLS, DNS/DHCP
3mo
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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 Linux Platform Engineer - Santa Clara
Santa Clara or Irvine
$65k-$150k/yr HybridFull Time
10+ YOEMaster’s degree preferred; 10+ years Linux systems engineering; experience with custom Debian distributions and Debian packaging; advanced Python and Shell scripting; deep OS/build/debug expertise; familiarity with AI tools.
Debian, Debian packaging, Python, Shell, C/C++, ARM, AWS, CI/CD, Infrastructure as Code
2mo
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Software Engineer II
City of Industry, California, United States
$90k-$130k/yr OnsiteFull Time
3+ YOEBachelor's in computer engineering or computer science; 3-5 years Linux, API development/integration; experience with C, Go, Node.js, Python; production Linux experience; manufacturing/tech product development preferred.
Kubernetes, Docker, Puppet, Chef, Ansible, GitLab, Jira, Azure DevOps, PostgreSQL, JSON, HTML, C, Go, Node.js, Python, Linux
1mo
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Principal Embedded Software Engineer
Irvine, California, United States
$180k-$220k/yr OnsiteFull Time
8+ YOEBachelor's in EE/CS, 8+ years embedded software experience, expertise in embedded Linux on ARM, C programming, Linux kernel driver development; U.S. citizenship required; background check and drug test contingent.
C, Linux, Linux kernel, ARM, RISC-V, AMD UltraScale+ MPSoC, Microchip PolarFire SoC, UltraScale+, IPsec, Internet/Ethernet, socket programming, NIST FIPS 140-3, NIAP Common Criteria, MANET, MN-MIMO
2mo
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Senior Manufacturing Test Engineer, Intelligence Systems (2nd Shift)
Santa Ana, California, United States
$146k-$194k/yr OnsiteFull Time
8+ YOE8+ years in manufacturing test with PLC/PCB testing, Linux/Linux-like OS, LabVIEW, NixOS; strong RCCA/root-cause; active U.S. Secret clearance; experience with contract manufacturers and MES/TES systems.
Linux, Ubuntu, LabVIEW, NixOS, PCBA testing equipment, Oscilloscope, Function generators, Spectrum analyzers, Data acquisition, Test software
3mo
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Software Engineer, Developer Infrastructure
Irvine, California, United States
$115k-$190k/yr HybridFull Time
3+ YOE3–7 years software engineering; strong Python; Docker; Linux; problem-solving; collaborate across teams
Python, Docker, Linux, Bazel, Nx, ROS, GitHub Actions, CI/CD
2mo
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HPC Hardware Service Engineer, Irvine, CA, On-site, Irvine, CA
Irvine, California, United States
$93k-$188k/yr OnsiteFull Time
5+ YOE5+ years in enterprise servers/storage; Bachelor's in CS or related; Linux knowledge; onsite customer-site work; US citizenship.
Linux, Server hardware, Salesforce
3mo
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Sr. Software Development Engineer, Luna Core Tech Streaming
Irvine, California, United States
$168k-$227k/yr OnsiteFull Time
5+ YOE5+ years of professional software development, leadership/architecture experience, and mentoring; strong Windows/Linux, streaming, and service design experience.
Linux, Wine, Proton, Video encoding, Streaming, Cloud computing
2mo
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Senior Principal Software Engineer - DevSecOps Embedded Communications - Active Secret (Onsite)
Cedar Rapids or Morrisville or Fullerton or Fort Wayne or El Segundo
$132k-$252k/yr OnsiteFull Time
10+ YOEDevSecOps expert with on-prem, air-gapped environments; Bash/Python; GitLab; containers; IaC; Linux; security tooling; strong networking.
GitLab, GitLab Runners, Docker, Podman, Kubernetes, Ansible, Chef, Puppet, Terraform, Bash, Python, JFrog Artifactory, Grafana, Prometheus, Linux
3mo
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R&D Firmware Engineer 3
Irvine, California, United States
$91k-$146k/yr OnsiteFull Time
3+ YOEEmbedded firmware development in C/Assembly, RTOS, Linux; PCIe/NVMe/FC experience; ARM familiarity; test scripting; strong communication.
C, Assembly, Real-time OS, PCIe, NVMe, Linux, ARM, In-Circuit Emulation, test scripting
3mo
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Software Developer (Rialto, CA, US, 92376)
Rialto, California, United States
$101k-$149k/yr OnsiteFull Time
Degree in IT or related field; relational databases; development project delivery; Unix/Linux knowledge; ability to work under pressure and adapt to global apps.
Progress, Unix/Linux, SQL
2mo
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Sr. Spacecraft Systems Engineer
Irvine, California, United States
$135k-$175k/yr OnsiteFull Time
5+ YOEBS or MS in aerospace or systems engineering; 5+ years in systems engineering for spacecraft; MATLAB, SolidWorks, STK, Linux; US citizenship for DoD clearance
MATLAB, SolidWorks, STK, Linux
3w
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Principal Mobile Developer
Los Angeles or Temecula or Irvine or San Diego
$150k-$220k/yr OnsiteFull Time
Bachelor's or equivalent; experience with C/C++, Java, Python, Android/AOSP, Linux, Agile and continuous integration; strong analytical, debugging, and collaborative skills.
Java, C/C++, Python, Android, AOSP, Linux, Agile, Continuous integration
3mo
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IT Infrastructure AIX TechOps Engineer (Lake Forest, CA, US, 92610)
Lake Forest, California, United States
$103k-$162k/yr OnsiteFull Time
10+ YOELead design/deploy Unix-based tech; manage AIX/Linux on VMware, VxRail, cloud; 24x7 operations; SAP HANA infra preferred.
VMware, VxRail, RedHat, SUSE, Ubuntu, CentOS, Windows Server, SAN, PowerStore, PowerVM, PowerHA, NIM, Rubrik, ServiceNow, Ksh, Perl, Windows PowerShell, Nutanix AHV, AKS, LDAP, SSL
3mo
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Sr Systems / Cloud Engineer
Lake Forest, California, United States
$135k-$175k/yr OnsiteFull Time
5+ YOE5+ years in systems engineering with Azure cloud focus; undergraduate degree or equivalent; Windows/Linux, virtualization, networking, O365, SSO/MFA, scripting.
Azure, VMware, Hyper-V, Citrix, VDI, DNS, SSL, Windows Server 2019, Windows Server 2022, Linux, Unix, O365, Exchange Online, Teams, SharePoint, OneDrive, SSO, MFA, SAML
3mo
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Senior Software Engineer - Micro Grid Controller
Irvine, California, United States
$114k-$171k/yr OnsiteFull Time
7+ YOESenior Software Engineer with 7+ years in C/C++, Python, or Perl; strong Linux; experience with CI/CD, system integration, and cybersecurity for critical infrastructure.
C, C++, Python, Perl, Linux, RHEL, MongoDB, SQL, Modbus, DNP3, IEC 61850, CI/CD
1w
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Hardware Fleet Operations Specialist
Aliso Viejo, California, United States
$40-$45/hr HybridContract
2+ YOE2-3 years supporting Linux systems, experience in technical support/operations, ticketing (Jira/ServiceNow), basic scripting, strong written/verbal communication.
Linux, Bash, Python, Jira, ServiceNow
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+
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