275 linux systems engineer jobs at 86 companies in Oceanside, CA

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Senior Systems Engineer - Linux - 26-016
San Diego, California, United States
$150k-$165k/yr OnsiteFull Time
AUSGAR Technologies
AUSGAR Technologies: Specialized cybersecurity and systems engineering for defense organizations.
5+ YOESecret clearance required or ability to obtain; 5+ years Linux systems administration; experience with Linux hardening, PKI, encryption, STIGs and RMF; strong networking, scripting and documentation skills.
GitLab, OpenProject, Git, Subversion, Samba, Python, SSH, rsync, AWK, grep, vi/vim, systemd, LUKS, OCSP, CRL, TLS/SSL, X.509, PKI, LDAP, Active Directory, Kerberos, SSSD, PAM, RAID, Security Technical Implementation Guides (STIGs), Risk Management Framework (RMF)
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Sr. Systems Engineer - Linux
San Diego, California, United States
$120k-$145k/yr OnsiteFull Time
Axos Financial
Axos FinancialNYSE: AX: Provides digital-first banking and diverse financial services to customers.
5+ YOE5+ years Linux administration, strong Puppet and VMware experience, production support/incident management, Bash/Python scripting, networking and storage knowledge, ITSM experience (ServiceNow) in a regulated banking environment.
Linux, Unix, Puppet, VMware, vSphere, ESXi, vCenter, Zerto, ServiceNow, Bash, Python
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HPC Systems Engineer (Linux / Infrastructure)
San Diego, California, United States
$116k-$209k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
15+ YOEBachelor's degree or equivalent experience, 15+ years systems administration experience, deep Linux stack knowledge (NFS, ZFS, BTRFS, mdadm, LVM), scripting with Python/Ansible/Bash, troubleshooting distributed systems; SLURM and parallel file system experience desirable.
Lustre, BeeGFS, WEKA, Ceph, SLURM, Ansible, Python, Bash, Docker, Podman, Apptainer, NFS, ZFS, BTRFS, mdadm, LVM
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Systems Engineer
Arlington or Mount Laurel or Fall River or San Diego
$74k-$184k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops software and systems solutions to rapidly deliver mission‑critical capabilities to the U.S. government.
0+ YOEAbility to obtain/maintain Secret clearance; Bachelor's in Systems Engineering or equivalent experience; 0–5 years' professional experience; experience with C/C++, Python, JavaScript/Java, Linux, Git, and DevSecOps; up to 10% travel.
C, C++, Python, JavaScript, Java, Linux, Git, Make, Maven, Ant, X-Windows, Jenkins, Jira, Atlassian, VMware vSphere, Azure, AEGIS Weapon System Common Source Library (CSL), Ship Self Defense System (SSDS) Single Source Library (SSL)
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Senior Linux Systems Engineer, Edge Compute and Communications - Active Clearance Required
Costa Mesa, California, United States
$170k-$210k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
7+ YOE7+ years IT infrastructure engineering; strong Linux, Bash and PowerShell scripting; Active Secret clearance, ability to obtain Top Secret; travel up to 15%; experience with AD, multi-site, and air‑gapped/tactical environments.
Linux, Bash, PowerShell, RHEL Image Builder, Active Directory, Scripting, Cloud (IaaS/PaaS)
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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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Junior Operating Systems Engineer (Embedded Linux / Yocto)
San Diego, California, United States
OnsiteFull Time
Accelint
Accelint: Provides AI-driven autonomous systems for national security missions.
Active U.S. national security clearance eligibility, experience building custom Linux images with Yocto/BitBake, OS hardening, debugging boot/kernel/driver issues on embedded x86, and writing documentation.
Yocto Project, BitBake, Buildroot, Rocky Linux, RHEL, Suricata, Zeek
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Systems Engineer
San Diego, California, United States
$100k-$125k/yr OnsiteFull Time
Tactical Engineering & Analysis
Tactical Engineering & Analysis: Provides systems engineering and analysis for military combat systems.
Bachelor of Science in STEM; Network+, Linux+ and CCNA preferred; onsite role with citizenship and security clearance requirements.
Networking, Windows servers, Linux servers, Programming languages, IEEE standards, Requirement Management Tools
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Software Engineer, Embedded Linux - Uncrewed Aircraft Systems
San Diego, California, United States
$115k-$185k/yr HybridFull Time
TrellisWare Technologies
TrellisWare Technologies: Provides resilient wireless communication systems and tactical networking solutions.
4+ YOEBachelor’s degree in Electrical/Computer Engineering or Computer Science; 4+ years embedded Linux; C++/Python; 2+ years Yocto; SDRs and C2 links; lab tools; ARM processors.
Yocto Project, C++, Python, HTTP/HTTPS, TCP/UDP, SSL/TLS, Embedded Linux, Oscilloscope, Logic Analyzer, Git, Compilers, Linkers, Debuggers
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Staff Cyber Systems Engineer
San Diego, California, United States
$195k-$292k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
6+ YOEExtensive Linux systems administration experience, scripting, security hardening, ability to obtain U.S. Secret clearance and US citizenship, and senior-level systems engineering experience.
Linux, yum, ldap, SELinux, kickstart, dns, dhcp, firewalld, VMware, Ansible, shell scripting, Red Hat
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Senior Systems Engineer (Onsite)
San Diego, California, United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
8+ YOETop Secret/SCI clearance, 8+ years systems engineering experience, TCPED and SIGINT knowledge, UI design, Agile tools, UML/SysML, configuration management, DevSecOps, cloud (AWS/Azure), UNIX/Linux experience.
Jira, Confluence, MagicDraw, Subversion, Git, AWS, Azure, UNIX, Linux
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Staff Linux Software Engineer (Multiple Locations)
San Diego or Boulder
$135k-$202k/yr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
2+ YOEExperience developing Linux system software and drivers in C/C++; strong understanding of Linux internals, multi-threading, API design, SoC architecture; proficiency with git and debugging tools.
Linux, C, C++, Java, Python, git, KVM, Docker, SR‑IOV, gtest, PCIe, UML
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Systems Engineer IV
San Diego, California, United States
$128k-$213k/yr OnsiteFull Time
Scientific Research Corporation
Scientific Research Corporation: Advanced engineering and technology solutions for government and industry.
8+ YOEActive TS/SCI eligibility, 8+ years DoD/Navy systems engineering experience, SSEE experience preferred, bachelor's in engineering or equivalent, strong technical writing, CompTIA Security+ (or obtain within 6 months).
Linux, VMware, Ansible, Jira, Confluence
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Systems Engineer (onsite)
Rancho Santa Margarita, California, United States
$165k-$180k/yr OnsiteFull Time
Palomar Products
Palomar ProductsNYSE: TDG: Manufacturer of secure communication systems for military aerospace platforms.
8+ YOEDrive system-level requirements, MBSE using Cameo/SysML, requirements management (Visure/DOORS/JAMA), support verification and DO-178C/DO-254 compliance; US citizenship required. Preferred 8+ years systems engineering experience in aerospace/defense.
Cameo Systems Modeler, SysML, Visure, DOORS, JAMA, Microsoft Windows, Linux, Unix, VMware, AWS, Microsoft Azure, Google Cloud, Python, LabVIEW
2mo
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Embedded Systems Engineer-Federal
Irvine or Mission Viejo
$70k-$300k/yr OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
Experience with embedded compute, Linux, firmware, ROS, and system integration for robotic platforms. Federal program experience preferred.
C++, Python, ROS, Linux, Ubuntu, Yocto, JetPack, ARM, x86, ROS2
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Principal SSD Systems Engineer
Rancho Santa Margarita, California, United States
$170k-$190k/yr OnsiteFull Time
Virtium
Virtium: Designs and manufactures industrial-grade storage and memory modules.
10+ YOE10+ years experience in SSD hardware/firmware and storage systems; bachelor's or master's in EE/CE or related; expertise in NVMe/SATA, Linux debugging, system integration, and supplier/customer engagement.
Linux, NVMe, SATA
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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
3mo
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Systems Integration Engineer
March Air Reserve Base, California, United States
$133k-$222k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
5+ YOE5+ years in systems integration or C4I; active TS/SCI; Bachelor's in Engineering, Computer Science, Information Systems, or related field; experience with AMOSS/ISR; DHS/CBP exposure a plus.
Linux, Unix, C, C++, JavaScript, AMOSS, Radar
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Senior Systems Engineer
Carlsbad, California, United States
$142k-$224k/yr HybridContract
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
5+ YOEBA/BS in engineering or equivalent experience; 5+ years supporting enterprise server hardware, Linux, and VMware; 3+ years managing SAN, Active Directory, and Windows; experience with config management (Puppet/Ansible/Chef/Salt), scripting (Bash/Python/Perl), and networking fundamentals.
VMware, Active Directory, LDAP, DNS, NTP, syslog, Puppet, Ansible, Chef, Salt, Bash, Python, Perl
6d
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Staff Cyber Systems Engineer
San Diego, California, United States
$195k-$292k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
6+ YOEU.S. citizen able to obtain/maintain U.S. Secret and SAP clearances. Extensive Linux systems administration experience, scripting, virtualization, security compliance, and collaboration on schedule-driven programs. Bachelor's+ relevant experience required.
Linux, yum, ldap, SELinux, kickstart, dns, dhcp, firewalld, VMware, Ansible, shell scripting, Red Hat