Embedded Linux Engineer

Job not on LinkedIn

🔥 3 hours ago

🇺🇸 United States – Remote

💵 $82.1k - $172.4k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

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CACI International Inc

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1962

🎖️ Defense

🏛️ Government

🔒 Cybersecurity

🔥 Funding within the last year

💰 $500M Post-IPO Debt on 2026-02

Defense • Government • Cybersecurity

CACI International Inc is a U. S. -based government contractor that provides technologies and professional services to national security, defense, and federal civilian customers. CACI delivers solutions across cyber and digital operations, enterprise IT modernization, electronic warfare, counter-unmanned systems (C-UxS), space and optical communications, agile DevSecOps software development, and mission engineering and logistics support. The company positions itself as a large prime contractor that uses advanced software, analytics, sensing, and hardware to detect and counter evolving threats and modernize government technology architectures.

📋 Description

• Support the current IRD embedded retransmission device and its next-generation replacement platform • Execute assigned development, integration, sustainment, and defect-resolution work • Collaborate on technical direction, platform architecture, hardware integration, cybersecurity, and release planning • Develop, sustain, and modernize a mission-critical embedded retransmission device • Work across the embedded software lifecycle from Linux image creation and platform integration through networking services, device configuration, web-based administration, testing, and release support • Collaborate with software, hardware, cybersecurity, test, systems engineering, and product teams • Migrate an existing OpenWrt-based device solution to next-generation embedded hardware and an Alma Linux-based architecture • Design, develop, integrate, test, debug, and maintain Linux-based software for embedded networking and retransmission devices • Sustain and enhance the current OpenWrt-based IRD firmware solution, including image configuration, custom package feeds, services, first-boot behavior, device configuration, and firmware build integration • Develop and maintain software in Python, Bash or shell scripting, C or C++, and other languages as needed • Execute development tickets supporting migration of IRD capabilities to next-generation ARM-based hardware • Assist with bootloader, kernel, board-support, cross-compilation, device configuration, and embedded Linux image-development activities • Develop and maintain Buildroot- and Linux-based image creation, packaging, provisioning, release, update, and deployment workflows • Contribute to the evolution of a Linux or RHEL-based management architecture • Develop and maintain REST APIs and device-management user-interface capabilities • Implement, maintain, and troubleshoot networking capabilities, including interface configuration, routing, DNS, Wi-Fi, cellular or modem integration, and secure communications • Create and maintain unit, integration, system, simulation, and hardware-connected test capabilities • Participate in GitLab merge-request reviews, CI or CD pipeline maintenance, build validation, release engineering, and reproducible-build practices • Support secure software development activities, including vulnerability remediation, certificate handling, authentication and authorization, software-update integrity, dependency management, and CVE analysis • Create and maintain design, build, API, test, and operational documentation • Collaborate with hardware engineers, systems engineers, cybersecurity personnel, quality assurance, and product management to implement and validate product requirements

🎯 Requirements

• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical discipline • Five or more years of relevant professional software-development experience • At least five years of experience developing, integrating, testing, or sustaining software for Linux-based systems • Experience developing software using Python, Bash or shell scripting, and C or C++ • Experience with Linux system configuration, debugging, networking, package management, and software deployment • Experience developing, integrating, and debugging software for ARM- and/or Intel or x86-based devices • Experience with embedded Linux build systems or distributions such as OpenWrt, Buildroot, Yocto, Embedded Linux, or equivalent technologies • Experience with cross-compilation, embedded Linux image creation, software packaging, and deployment to embedded targets • Experience with Linux networking, including network-interface configuration, routing, DNS, DHCP, firewalling, Wi-Fi, and troubleshooting • Experience developing and debugging REST APIs, device-management applications, or web-based configuration interfaces • Experience with Git and GitLab-based development practices, including merge requests, code review, and branching strategies • At least two years of experience building, maintaining, or troubleshooting automated CI or CD pipelines • Experience creating unit, integration, system, or hardware-in-the-loop tests for software deployed to Linux-based systems or embedded devices • Strong written and verbal communication skills, including the ability to create and maintain technical documentation • Ability to work effectively in a remote, cross-functional development environment • Desired experience with NXP i.MX8, ARM64 or AArch64, U-Boot, Linux kernel configuration, device trees, boot flows, or board-support packages • Desired experience porting an embedded Linux solution to a new hardware platform or Linux distribution • Desired experience with OpenWrt buildroots, feeds, package Makefiles, and custom OpenWrt package development • Desired experience with Alma Linux, RHEL, RPM or DNF, Kickstart, OSTree, SELinux, or RHEL Cockpit • Desired experience developing Python or Flask applications, OpenAPI or Swagger-documented APIs, or embedded device-management UIs • Desired experience with embedded networking products, retransmission devices, routers, cellular or modem integration, Wi-Fi, 802.1X, routing, or secure network configuration • Desired experience with device provisioning, firmware or image installation, update mechanisms, or field-device sustainment • Desired experience with secure software-development practices, certificate or PKI integration, vulnerability scanning, SBOMs, CVE remediation, or tools such as Trivy • Desired experience with containerized builds, simulated device environments, or hardware-in-the-loop testing • Desired experience supporting DoD, mission, tactical-edge, disconnected, or regulated embedded-device environments

🏖️ Benefits

• Flexible time off benefit • Robust learning resources • Healthcare benefits • Wellness benefits • Financial benefits • Retirement benefits • Family support benefits • Continuing education benefits • Time off benefits • Competitive compensation • Learning and development opportunities