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405 linux jobs at 129 companies in San Diego, CA

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Linux System Administrator
San Diego, California, United States
$140k-$155k/yr OnsiteFull Time
Bridge Defense
Bridge Defense: Provides secure infrastructure and edge computing for national security.
Active Secret clearance, DoD 8570/8140 IAT II or IAM II (e.g., Security+ CE), CSWF certification, bachelor's degree or equivalent, RHEL 7/8 Linux administration, cybersecurity and compliance experience.
Red Hat Enterprise Linux (RHEL), PHP, PKI, STIGs, RMF
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1mo
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Software Engineer, Embedded Linux
San Diego, California, United States
$115k-$185k/yr OnsiteFull Time
TrellisWare Technologies
TrellisWare Technologies: Provides resilient wireless communication systems and tactical networking solutions.
4+ YOEBachelor's in ECE/CS required; 4+ years embedded Linux integration and 4+ years embedded software development; proficiency in C++ and Python; 2 years Yocto Project; kernel, driver, and cross-compilation experience; strong communication and problem-solving skills.
C++, Python, Yocto Project, Linux, oscilloscope, logic analyzer
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1w
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Linux Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
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
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1mo
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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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Embedded Linux Software Team Lead
San Diego, California, United States
$140k-$180k/yr HybridFull Time
Firestorm Labs
Firestorm Labs: Develops and manufactures low-cost 3D-printed unmanned aerial vehicles.
5+ YOE2+ MgmtU.S. citizenship and ability to obtain government clearance, Bachelor's in CS/CE, 5+ years embedded Linux C/C++ development, 2+ years people management, systemd, real-time networking, secure coding, cross-platform packaging and CI/CD.
C, C++, systemd, OpenSSL, libsodium, CMake, Conan, vcpkg, Catch2, GoogleTest, pytest, JUnit, NUnit, ROS 2, gRPC, ZeroMQ, Protobuf, FlatBuffers, perf, VTune, Valgrind, sanitizers, MSVC, MinGW, Gradle, Yocto, Buildroot, AppImage, deb, rpm, MSI, MSIX, AAR, APK
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1mo
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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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1mo
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Senior DevSecOps Engineer - Linux
San Diego, California, United States
OnsiteFull Time
Fuse Integration
Fuse Integration: Developing tactical communication and networking systems for defense.
4+ YOE4+ years Linux/DevSecOps experience, deep low-level Linux skills (initramfs, SELinux), virtualization (KVM/libvirt), PXE/Kickstart, package management, security exposure (CVEs/STIGs), ability to obtain US Secret clearance, US citizenship.
dracut, SELinux, Network Manager, PXE, Kickstart, KVM, libvirt, virt-install, qcow2, firewalld, aide, systemd, chronyd, rsyslog, DAR, Clevis/Tang, journalctl, grub, FIPS, auditd, PAM, authselect, systemd-creds, Ansible, Kubernetes, vCenter, vSphere, ESXi, C, C++, Java, Python
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2mo
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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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2mo
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Red Hat Linux System Administration, Department of Cybersecurity - Adjunct Faculty
San Diego, California, United States
OnsitePart Time, Contract
University of Maryland Global Campus
University of Maryland Global Campus: Online higher education for adult and military learners.
Master’s degree in Cybersecurity or related field; active Linux certification; experience in networking and security; teaching adults; onsite in San Diego; CCNA/CEH preferred.
Linux, Red Hat, Networking, Security
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2w
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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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2mo
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Senior Embedded Software Engineer
San Diego, California, United States
$145k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
4+ YOEBachelor’s or higher in CS/CE or related; 4+ years OO software; C/C++/Python; embedded Linux with Buildroot; Linux proficiency; Agile/Scrum/CI/TD; US Person status.
C/C++, Python, Buildroot, Linux, Git, Docker, Podman, CI/CD, CUDA
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1w
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Systems Administrator II - La Jolla, CA
La Jolla, California, United States
$91k-$146k/yr OnsiteFull Time
Institute for Defense Analyses
Institute for Defense Analyses: Operates federally funded research centers for national security analysis.
4+ YOE4+ years systems administration (3+ with Linux) or HS+6 years, experience with Linux, VMware, Apache, MySQL, scripting (Perl, PHP, shell), CompTIA Security+ or equivalent, ability to obtain security clearance.
Linux, VMware, Apache, MySQL, Perl, PHP, GNU utilities
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1mo
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Help Desk Technician
San Diego, California, United States
$80k-$120k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
2+ YOE2+ years IT support experience with Linux focus, experience with Windows and Linux OS administration, networking, security (IAT Level 1/CompTIA Security+), automation tools (Puppet, Ansible, Terraform), scripting (Bash, PowerShell, Python), and familiarity with distributed systems.
Windows, Windows 10, Linux, Red Hat 7, Red Hat 8, Hadoop, HBase, Accumulo, Spark, Kafka, Puppet, Ansible, Terraform, Chef, Bash, PowerShell, Python, Secure Shell (SSH), TLS, DNS, DHCP, Kickstart, LDAP, Kubernetes, ACAS, Rancher, Grafana, Cloud Security Gateway
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2mo
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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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2mo
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Senior Support Specialist
San Diego, California, United States
$32-$36/hr OnsiteFull Time
Approved Transportation and Warehousing
Approved Transportation and Warehousing: Provides global relocation, logistics, and freight forwarding services.
3+ YOE3+ years IT support experience; Windows Server; Linux; Microsoft 365; networking basics; cloud exposure; certifications a plus.
Windows Server, Linux, Microsoft 365, TCP/IP, DNS, DHCP, VPN, Azure, AWS, Firewalls, Switches, Routers, Backups
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2mo
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C4I technician
San Diego, California, United States
$70k-$90k/yr OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
5+ YOE5+ years IT technician experience; active Secret clearance; US citizenship; experience with Linux, networking, and unmanned systems; able to travel.
Linux, Shell, SATCOM, Cyber Security practices, Unmanned systems, Networking, Computing equipment
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4d
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STEM Technology Specialist, College of Science, Technology, Engineering and Mathematics
San Marcos, California, United States
$6k-$6k/mo OnsiteFull Time
California State University
California State University: Public university system providing higher education and academic research.
Provide high-level technical support across Windows, Mac and Linux; consult, train, and recommend technologies to support teaching, research and administration.
Windows, Mac, Linux
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2mo
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Forward Deployed Hardware Engineer
San Diego, California, United States
OnsiteFull Time
Saronic
Saronic: Building autonomous surface vessels for maritime defense operations.
3+ YOEBachelor's in Mechanical, Electrical, or Mechatronics; 3+ years electromechanical experience; hands-on prototyping and field integration; Linux; CAD; basic software tooling.
CAD, SolidWorks, NX, 3D Printing, Multimeters, Oscilloscopes, Linux, Networking, Python, Shell scripting
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1w
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DevOps Engineer (Hybrid)
Merrimack or San Diego
HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
Experience as a DevOps/Platform engineer with on-prem cloud, containerization, automation, CI/CD, scripting, Linux administration, and ability to obtain a Secret clearance.
OpenStack, VMware, Azure Stack, Kubernetes, Docker, Rancher, Docker Swarm, Python, Bash, PowerShell, Ansible, Puppet, Chef, GitLab, Linux, Nagios, Prometheus, ELK
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3w
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Principal Mobile Developer
Los Angeles or Temecula or Irvine or San Diego
$150k-$220k/yr OnsiteFull Time
BlackBerry
BlackBerryNYSE: BB: Provides cybersecurity software and secure embedded systems for businesses.
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
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