Embedded Linux Engineer

CACI International Inc

. Support the current IRD embedded retransmission device and its next-generation replacement platform .

Posted 10/9/2026full-timeRemote • United StatesMid-LevelSenior💰 $82,100 - $172,400 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining Linux-based software for embedded systems, with a strong focus on integration, testing, and deployment. Proficient in collaborating across cross-functional teams to enhance product capabilities and ensure robust cybersecurity practices.

Highest-signal resume keywords

Linux-Based Software DevelopmentEmbedded Systems IntegrationPython, Bash, C, or C++ ProgrammingNetworking Configuration and TroubleshootingCI/CD Pipeline Maintenance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux System ConfigurationEmbedded Linux Build SystemsREST API DevelopmentCross-CompilationNetworking ProtocolsUnit and Integration TestingDevice Management ApplicationsFirmware DevelopmentOpenWrt and BuildrootGit and GitLab Practices

Soft Skills

Strong Written and Verbal CommunicationCollaboration in Cross-Functional TeamsRemote Work Effectiveness

Tools & Technologies

Alma LinuxRHELDockerTrivyCI/CD Tools

Industry Keywords

Embedded Networking ProductsRetransmission DevicesCybersecurityDoD ComplianceField-Device Sustainment

Tech Stack

Tools & technologies

Cyber SecurityDNSFlaskLinuxPythonShell ScriptingC++

About the role

Key responsibilities & impact

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

What you’ll need

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

Comp & perks

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