Anduril Industries: Defense technology building autonomous military hardware and software.
Experience with Linux kernel development, embedded Linux, U-Boot/EDK2, and C or Rust; familiarity with vulnerability triage; interest in NixOS; U.S. person status for data access.
Boot BarnNYSE: BOOT: Specialty retailer of western and work-related apparel and footwear.
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
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
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.
Linux Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yrOnsiteFull Time
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.
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.
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.
Firestorm Labs: Develops and manufactures low-cost 3D-printed unmanned aerial vehicles.
5+ YOE2+ MgmtU.S. citizen eligible for government clearance; Bachelor's in CS/CE; 5+ years embedded Linux C/C++ experience; 2+ years people management; experience with systemd, real-time systems, secure coding, cross-platform build and packaging.
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.
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.
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.
Red Hat Linux System Administration, Department of Cybersecurity - Adjunct Faculty
San Diego, California, United States
OnsitePart Time, Contract
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.
Junior Operating Systems Engineer (Embedded Linux / Yocto)
San Diego, California, United States
OnsiteFull Time
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.
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
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
Silvus TechnologiesNYSE: MSI: Develops advanced mobile ad-hoc network radios for mission-critical communications.
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
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