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285 linux system engineer jobs at 104 companies in Lake Forest, CA

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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
3mo
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Linux Systems Engineer
Pomona, California, United States
$127k/yr OnsiteFull Time
LERETA
LERETA: Provides real estate tax and flood service solutions for lenders.
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
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3mo
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Linux Systems Engineer
Pomona, California, United States
$96k-$127k/yr OnsiteFull Time
LERETA
LERETA: Provides real estate tax and flood services for mortgage lenders.
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
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1mo
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Senior System Engineer – ArcGIS (Mission-Focused)
Redlands or St. Louis or Vienna
$156k-$239k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
12+ YOE12+ years experience designing/implementing enterprise ArcGIS or comparable systems; Windows/Linux administration; scripting (Python, PowerShell, JavaScript, C#); RDBMS and SQL; familiarity with networking; US citizenship with active Top Secret/SCI clearance; Bachelor's degree in CS/Math/GIS/STEM.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Python, PowerShell, Javascript, C#, Windows, Linux, SQL Server, Oracle, PostgreSQL
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1mo
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Senior Linux Platform Engineer - Santa Clara
Santa Clara or Irvine
$65k-$150k/yr HybridFull Time
Perficient
Perficient: Provides digital transformation and AI consulting for global enterprises.
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
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1mo
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Controls System Engineer
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
4+ YOE4+ years in controls/OT and on-premise systems; proficiency with Ignition SCADA, OT networking (MQTT, OPC UA, TCP/IP), PLCs (Allen-Bradley/Siemens); scripting in PowerShell/Python/Bash; able to work second shift; must be a U.S. Person.
Ignition, Ignition Perspective, Tag Historian, Alarm Notification, SQL Bridge, MQTT Engine, MQTT Distributor, MQTT Transmission, MQTT, OPC UA, TCP/IP, Allen-Bradley, Siemens, PowerShell, Python, Bash, Windows, Linux, MES, QMS, SQL
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3mo
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Sr System Engineer, Amazon Leo for Government (ALG), SEIT | MFG
El Segundo or Northridge
$151k-$205k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
8+ YOE8+ years in space systems engineering; spacecraft design/integration/test; requirements derivation; system budgets; TS/SCI clearance.
Python, Matlab, LabVIEW, C/C++, Docker, Rust, Linux, AWS
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Sr Principal System Engineer - Integration & Test
Redondo Beach, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
4+ YOEActive SCI clearance, STEM degree with significant engineering experience, 3+ years test procedure and integration experience, willingness to travel up to 25%, and strong communication and troubleshooting skills.
Linux, Python, Playwright, oscilloscope, spectrum analyzer
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Sr Principal System Engineer - Integration & Test
Redondo Beach, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEActive SCI clearance, willingness to travel up to 25%, STEM degree with significant engineering experience, 3+ years test procedure or integration/test experience, strong written and oral communication.
Linux, Python, Playwright, oscilloscopes, spectrum analyzers
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3mo
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System Integration Engineer - Viasat Government
Carlsbad, California, United States
$121k-$190k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
4+ YOE4+ years RF/system integration; satellite comms theory; IP networking; test planning; cross-discipline collaboration; US citizenship; DoD Secret clearance preferred; travel up to 25%.
RF equipment, Linux, IP networking, routers, switches, ASA/Firewalls, IP Encryptors
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1mo
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10846 - Private Cloud System Engineer
Irvine, California, United States
OnsiteFull Time
Hyundai AutoEver America
Hyundai AutoEver AmericaKorea Exchange: 307950: Provides automotive software and IT services for mobility systems.
Bachelor's degree or equivalent experience; proven system engineer experience in enterprise/data center environments; hands-on Linux, virtualization, OpenStack, automation, monitoring, troubleshooting, and strong communication skills.
OpenStack, Linux, VMware, Hyper-V, KVM, Kubernetes, Ansible, Terraform, Prometheus, Grafana, ELK Stack
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2mo
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Senior System Test & Automation Engineer
Los Angeles, California, United States
$130k-$180k/yr OnsiteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
5+ YOEBachelor's in Electrical/Computer Engineering or related field; 5 years embedded firmware and testing or 3 years with advanced degree; experience with embedded Linux, C/C++, Python; US citizen for government contracts.
Embedded Linux, C++, C, Python, Scripting, Lab instruments, Signal generators, Spectrum analyzers, Logic analyzers
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3mo
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System Integration Engineer - Viasat Government
Carlsbad, California, United States
$121k-$225k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provides global satellite broadband and secure networking communication services.
4+ YOE4+ years in RF comms integration; DoD clearance; associate degree or technical experience; strong documentation and testing skills.
RF systems, Linux, IP networks, Routers, Switches, Firewalls, HAIPE, Python
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4w
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Robotics Engineer, Humanoid System Integration
Irvine, California, United States
OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
Hands-on experience integrating humanoid hardware and software, strong C++ and Python on Linux, ROS/ROS2 experience, hardware bring-up, diagnostics, and test development; MS/PhD preferred (BS considered).
C++, Python, Linux, ROS, ROS2
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1mo
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Spacecraft Systems Engineer
Irvine, California, United States
$100k-$140k/yr OnsiteFull Time
Terran Orbital
Terran OrbitalNYSE: LMT: Manufactures modular spacecraft for aerospace and defense missions.
2+ YOE2+ years in systems engineering for spacecraft; BS/MS in aerospace or systems engineering; MATLAB, SolidWorks, STK, Linux; familiarity with subsystems and budgets; U.S. citizenship with ability to obtain DoD clearance.
MATLAB, SolidWorks, STK, Linux
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1mo
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Systems Engineer (Esports)
Los Angeles, California, United States
$149k-$208k/yr OnsiteFull Time
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
5+ YOE5+ years in systems/support/infrastructure engineering; experience with Ansible, Terraform, Jenkins, virtualization, containerization, imaging/deployment tools, Linux/Windows, scripting, Git, and cloud platforms; able to reduce operational toil and support global events.
Ansible, Terraform, Jenkins, VMware, Hyper-V, Proxmox, AHV, Docker, FOG, SCCM, Autopilot, Linux, Windows, PowerShell, Bash, Git, AWS, Azure
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1w
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Deployed Engineer
Los Angeles, California, United States
$120k-$160k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
Bachelor's in a technical field, strong software engineering background, experience troubleshooting lab/integration/field systems, familiarity with Linux/Python/C/C++, ability to read technical documentation, and willingness to travel to customer sites.
Linux, Python, C/C++, Networking, test automation, APIs
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1w
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Sr. Systems Engineer
Los Angeles, California, United States
$88k-$131k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
5+ YOE5+ years systems engineering experience; expertise with Kubernetes, Linux, cloud operations (Azure preferred); automation with Git Ops, Ansible, Terraform, Claude AI; monitoring with Datadog/Prometheus; scripting in Python/Bash/PowerShell; security/compliance (PCI DSS, SOC 2); on-call participation.
Kubernetes, Linux, Azure, Git Ops, Ansible, Terraform, Claude AI, Datadog, Prometheus, Python, Bash, PowerShell
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3d
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Senior Software Engineer | Satellite Payload Model Developer
El Segundo, California, United States
$172k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOE5+ years software engineering experience with C++, Java, Python, multi-threaded systems, Git/Linux; active U.S. Secret clearance (U.S. Person); BS degree in relevant field or equivalent; experience with low-level systems, networking, and hardware emulation.
C++, Java, JavaScript, Perl, Python, Visual Basic, Git, Linux, CI/CD, CCSDS, TCP/IP, UDP
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3mo
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Test Engineer - Secret Clearance Required
March Air Reserve Base, California, United States
$94k-$157k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
3+ YOESecret clearance required; Bachelor's degree; 3-5 years in system or test engineering; Linux, networks, and databases experience; government/C4I testing experience preferred.
Linux, PostgreSQL, Oracle, Jira, Test automation, Scripting
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1mo
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Technical Operations Engineer
El Segundo or Los Angeles
$140k-$190k/yr FieldFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
Degree in engineering/CS/physics or equivalent experience; strong Linux, networking, hardware integration, and scripting (Python/Bash) skills; systems debugging and field deployments; willingness to travel (~50%).
Linux, SSH, Python, Bash, Docker, Azure, AWS, SDRs
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