linux jobs in San Diego

Senior Software/Firmware Systems Engineer and Architect will design, architect, and lead complex real-time embedded and mission-critical systems for space, missile defense, and high-reliability platforms. Responsibilities include defining system architecture and requirements, leading cross-functional teams through design and test reviews, integrating software/firmware payloads, and ensuring consistency across digital engineering artifacts.…See more The role requires 7–12+ years of embedded systems experience with expertise in microcontrollers, FPGAs, communication protocols (RS-422, I²C, GigE, SPI, TCP/UDP, MQTT, Modbus), and formal verification/validation processes; strong technical leadership and customer-facing communication skills are essential.

Design, develop, and optimize embedded firmware systems for Meta's AR, VR, and wearable devices, working across kernel, drivers, and connectivity protocols (Wi-Fi, Bluetooth, Cellular, UWB). Lead hardware bring-up, silicon integration, and power/performance optimization while debugging complex multi-layer system issues and integrating components from partner teams.…See more Requires 7+ years of software development (3+ in embedded systems) with strong C/C++ expertise, large-scale codebase experience, and demonstrated technical leadership.

As a System Performance Engineer at Qualcomm, you will optimize and validate power, performance, and thermal behavior of Snapdragon chipsets across mobile, compute, automotive, IoT, and data center platforms. You will profile complex concurrent system use-cases in emulation and software environments (Android/Linux/Windows), define performance analysis plans across CPU, GPU, and AI/ML workloads, identify optimization opportunities in SoC architecture, and triage performance issues to root cause.…See more You will collaborate with cross-functional hardware, software, and architecture teams, mentor junior engineers, and prepare technical recommendations for senior leadership. The role requires strong programming skills (Python, C/C++), deep knowledge of ARM SoC architecture, memory hierarchy, system interconnects, and hands-on experience with power/performance analysis tools and benchmarks.

Design, develop, test, and maintain scalable backend applications and services using Python for an enterprise technology organization. Build RESTful APIs, optimize application performance, and work with databases and cloud platforms.…See more Collaborate with DevOps teams on CI/CD and production support, participate in code reviews, and mentor junior developers within an Agile environment.

Senior Network Specialist will install, configure, and support LAN/WAN and Internet systems for a large DOD program. Responsibilities include routine testing and analysis of network facilities, monitoring network availability, troubleshooting performance issues, and performing maintenance.…See more Requires 6+ years of experience with Cisco networking equipment (routers and switches), IPv6 protocol expertise, and level 3 network protocol knowledge.

Senior Linux System Administrator role supporting a large DOD program, responsible for installing, configuring, and maintaining LAN/WAN and Internet systems. Will monitor network availability, perform maintenance, assist in network modeling and analysis, and administer network security measures.…See more Requires 4+ years of experience with a Bachelor's degree (or equivalent), strong Linux expertise, and Security+ certification.

Staff Platform Engineer at Shield AI will design, build, and operate highly available infrastructure platforms supporting mission-critical systems across cloud and on-prem environments. Responsibilities include improving CI/CD pipelines, developer platform tooling, and automation frameworks; implementing scalable solutions for compute, networking, identity, and storage; and partnering with security teams to embed controls and compliance into platform architectures.…See more The role requires 8+ years of hands-on platform engineering, DevOps, or SRE experience with deep expertise in Infrastructure as Code (Terraform, Ansible), Linux systems, distributed systems, and scripting/programming languages (Python, Go, Bash, PowerShell).

SAIC seeks a Principal Software Engineer to design, build, and deploy streaming data platforms and machine-learning systems for government clients. The role involves full-stack development (Python, Java, JavaScript), Kubernetes deployment, ETL pipeline design, and close client collaboration on implementation and technical documentation.…See more Requires 7–9 years of experience, U.S. citizenship, and ability to obtain TS/SCI clearance; must work on-site 3 days/week in San Diego.

Lead a software engineering team at L3Harris designing and implementing embedded and cloud-based systems across space and airborne technologies. You will own system and software architecture, lead design and implementation in Java and C++, serve as technical point of contact across programs, mentor junior engineers, and collaborate with cross-functional teams on the full software development lifecycle.…See more Requires 9+ years of relevant experience (or equivalent), minimum 5 years in a technical lead or architect role, and an active Secret clearance.

Software Engineer II responsible for operating and improving large-scale data platforms (SQL, NoSQL, streaming, caching) with a focus on reliability, automation, and self-service infrastructure. The role involves building observability tooling, participating in on-call incident response, troubleshooting database and infrastructure issues, and collaborating across teams to deliver reliable stateful services.…See more Required skills include Go, Terraform, API design, Kubernetes, and hands-on experience with databases like Cassandra, Aurora, Kafka, Redis, and DynamoDB on AWS or GCP.

Software Engineer II responsible for operating and improving large-scale data platforms (SQL, NoSQL, streaming, caching) with a focus on reliability, automation, and developer experience. The role involves building self-service infrastructure tooling, contributing to observability and SLO definitions, participating in on-call rotations, and automating infrastructure provisioning using Terraform.…See more Requires 3+ years of software or infrastructure engineering experience, production Go development, hands-on Terraform expertise, and deep knowledge of distributed systems concepts and operational practices.

Staff Platform Engineer at Shield AI responsible for designing, building, and operating highly available cloud and hybrid infrastructure platforms supporting mission-critical systems. The role spans infrastructure-as-code development, CI/CD pipeline enhancement, developer tooling, and platform automation to accelerate engineering productivity.…See more Requires 8+ years of platform engineering, DevOps, or SRE experience with deep hands-on expertise in cloud infrastructure, networking, identity, storage, and infrastructure automation across Linux environments. Expected to partner with security teams on compliance and DevSecOps practices, establish scalable platform patterns, and lead complex platform initiatives across large-scale engineering organizations.

Mid-level full-stack software engineer responsible for developing, deploying, and troubleshooting distributed applications across application software, operating systems, networking, virtualization, and hardware interfaces. The role requires 5+ years of professional software development experience with proficiency in Python, modern front-end frameworks, RESTful APIs, Linux administration, containerization (Podman/OCI), Git, and configuration automation (Ansible).…See more Strong emphasis on independent ownership of features from requirements through implementation and testing, with preferred experience in LLMs, generative AI, agentic workflows, and AI-tool integration for engineering tasks.

SAIC seeks a Principal Software Engineer to design and deploy streaming data platforms and machine-learning systems for defense/mission clients. You will perform full-stack development (Python, Java, JavaScript) with cloud deployment on Kubernetes, collaborate on client requirements, and lead technical implementation of data pipelines and ETL workflows.…See more The role requires 9+ years of software engineering experience, a current Secret clearance with ability to obtain TS/SCI, and hands-on expertise in cloud platforms (AWS/Azure), databases (SQL, PostgreSQL, MongoDB), and Linux/shell scripting.

Design and develop camera firmware and image-processing software for Qualcomm IoT devices, including ISP drivers, 3A algorithms, and image-quality systems. Architect embedded camera subsystems optimized for power and performance, leveraging ARM, DSP, GPU, and ML accelerators.…See more Lead full software lifecycle from concept through commercialization on Linux and Android platforms, collaborating with cross-functional teams to deliver production-ready imaging solutions.

SAIC seeks a Network Engineer to provide break/fix IT support and cybersecurity patching for U.S. Navy afloat networks in a shipboard environment.…See more The role involves troubleshooting LAN/server/network issues, performing root-cause analysis, administering Cisco switches/routers and Windows/Linux systems, and delivering technical briefs to Active Duty and government personnel. Requires 1+ years supporting military networks, active Secret clearance, DoD IAT Level II certification, and ability to obtain TS/SCI.

Qualcomm is seeking a Software Engineer to develop 5G/6G wireless systems for a Test Base Station platform. The role focuses on designing and implementing Radio Access Network Layer 2 (MAC, RLC, PDCP, SDAP) functionality in C++ as a Linux service, including channel configuration, scheduler optimization, and multi-threaded, real-time software.…See more Responsibilities span specification interpretation, feature development through commercialization, cross-layer integration with RRC and PHY components, and performance optimization for latency and throughput.

Lead a software engineering team at L3Harris, taking ownership of system and software architecture for space and airborne technologies. You will design, implement, integrate, and test solutions across embedded, platform, and cloud environments using Java, C++, and other modern languages.…See more Responsibilities include leading architecture decisions, mentoring junior engineers, serving as a technical point of contact across programs, and collaborating with cross-functional teams on the full software development lifecycle. Requires a bachelor's degree with 9+ years of experience, minimum 5 years in a technical lead or software architect role, and an active Secret clearance.

A senior DevSecOps engineer will design and operate an automated compliance and AI-driven security platform for DoD and federal healthcare environments. The role demands expertise in DISA STIG automation, container security, RMF/FedRAMP workflows, and SIEM/SOAR integration, with responsibilities spanning secure CI/CD pipeline development, Wazuh and Elastic Stack deployment, OpenRMF automation, and LLM-assisted security operations.…See more The engineer will build hardened base images, maintain compliance pipelines, develop Tines SOAR workflows, and mentor others on architecture decisions.

Senior Staff Software Engineer owning the secure manufacturing pipeline for humanoid robots—from bare-board provisioning through cryptographic enrollment and OTA readiness. You'll design secure manufacturing stations (HSM, key injection, AWS Private CA), build provisioning automation toolchains, manage End-Of-Line test frameworks, and bridge firmware/secure-boot teams with the cloud control plane.…See more Requires 10+ years in manufacturing engineering with deep test-tool development, 3+ years at Staff level, and proven expertise in PKI, device identity, AWS infrastructure, secure boot chains, and embedded Linux systems.

A software security engineer role focused on vulnerability research, secure embedded software design, and tool development for government partners. The engineer will perform end-to-end vulnerability analysis against software stacks, design and implement embedded solutions, conduct code reviews and regression testing, and write technical documentation.…See more The role requires 2+ years of programming experience in C/C++/Java/Python, strong knowledge of x86 and ARM architectures, Linux fundamentals, reverse engineering tools (IDA Pro, Ghidra), and experience with security vulnerability identification and remediation.

Design and develop CPU software architecture for Qualcomm's custom processors across mobile, laptop, automotive, cloud, and server platforms. Work on ARMv9 architecture features, firmware development, and hardware-software co-design, including performance optimization and system-level software enablement.…See more Participate in code reviews, debugging, unit testing, and technical documentation while collaborating with cross-functional hardware and software teams. Requires 8+ years of software engineering experience with strong C/C++ programming skills and embedded systems expertise.

Design, implement, and maintain automated test systems and scripting environments for advanced radio and communications hardware at TrellisWare. Develop test cases, programming APIs, and user interfaces; operate RF test equipment (spectrum analyzers, oscilloscopes, signal generators); and perform data-driven analysis to characterize performance and diagnose issues.…See more Required skills include VB.NET, C#, Python, Linux, embedded systems knowledge, and test automation; plus object-oriented design, device drivers, and shell scripting. BSEE, BSCE, or BS Physics degree and 1–8 years' experience required.

Senior Network Engineer supporting U.S. Navy afloat (shipboard) networks, providing break/fix IT support, cybersecurity patching, and technical troubleshooting in a fast-paced military environment.…See more Requires hands-on administration of Cisco switching/routing, Windows Server, and Linux systems; root-cause analysis; and coordination with Active Duty personnel and government staff. Must hold an active Secret clearance, be able to obtain TS/SCI, and meet DoD IAT Level II certification requirements. Role includes 25% travel, frequent onsite shipboard support, and occasional after-hours availability.

Design, develop, and maintain embedded software for wireless modem and broadband networking systems, working across connectivity protocols, system services, and platform layers. Debug and resolve technical issues using structured problem-solving, conduct code reviews, and collaborate with cross-functional teams (System Engineering, RF, Ethernet, Wi-Fi) to deliver high-quality, scalable software.…See more Participate in the full development lifecycle including on-target and off-target kernel debugging, and support field issues by analyzing and fixing complex functional, performance, and stability problems.