Specialist, Software Engineering role at L3Harris focused on designing, implementing, and integrating software components across embedded, application, and cloud environments for space and airborne defense systems. The engineer will work across the full software development lifecycle—from requirements analysis and architecture through deployment and sustainment—using C++ for low-level embedded work, troubleshooting deployed operational systems, and collaborating with cross-functional teams on hardware/software interfaces.… Day-to-day responsibilities include developing software solutions using multiple programming languages and operating systems, conducting code reviews, maintaining technical documentation, and supporting mission-critical systems in the defense and aerospace sectors.
linux jobs in San Diego
This role provides hands-on technical support to the Global Command and Control Systems – Maritime (GCCS-M) Product Support Team, resolving complex help desk tickets, conducting rapid-response troubleshooting on USS Naval Vessels, and leading installations of GCCS-M baselines to the Fleet. You will administer diverse C4I environments (RHEL/Unix/Linux/Windows), manage casualty reports in Helix, and travel 25–40% to CONUS and OCONUS locations for on-site system configuration and maintenance.… Experience with Linux, Windows Server, VMware virtualization, network administration, and C4I systems (including Link 11 and related peripherals) is expected. You must hold an active Secret clearance and CompTIA Security+ certification.
The System Administrator Expeditionary Systems (OpAI) will maintain and troubleshoot tactical systems integrating AI capabilities into Naval expeditionary platforms, including sensors, unmanned systems, and command-and-control infrastructure. Daily responsibilities span hands-on system administration (Linux, edge servers, software updates), testing machine learning capabilities in field environments, and collaborating with engineers to deploy and monitor data pipelines connecting tactical systems.… The role requires 3+ years in system administration, data engineering, or related technical fields, with intermediate Linux command-line proficiency, familiarity with containerization (Docker, Kubernetes), edge computing platforms (Jetson Nano, DGX), and troubleshooting of tactical data architectures. The candidate will work closely with machine learning engineers, data engineers, and software engineers to ensure performant, reliable data flow across integrated systems.
A Senior Site Reliability Engineer at SHEIN will own and operate mission-critical, large-scale distributed systems (Kubernetes, Kafka, Elasticsearch, Redis, APISIX, Nginx) running 24/7/365, participating in on-call rotations and driving fast incident response using AI-assisted log analysis and anomaly detection. The role requires strong software engineering expertise in Python or Go, deep Linux and networking knowledge, and hands-on experience with observability platforms (Prometheus, Grafana) and configuration management tools.… Responsibilities include designing resilient monitoring and alerting infrastructure, automating operational workflows to eliminate toil, capacity planning, and collaborating with global teams to improve system reliability and performance.
Network Engineer II designs, maintains, and troubleshoots ICW Group's multi-vendor network infrastructure, including LAN, WAN, MPLS, SAN fabric switches, server load balancers, and VoIP systems. Provides 3rd tier technical support, works with security and project teams to mitigate network risks, and ensures compliance with ITIL and regulatory standards.… Requires a Bachelor's degree in Computer Science or related field, minimum 5 years of networking experience, CCNA or JNCIA certification (CCNP or JNCIS preferred), and hands-on expertise with Juniper networking devices, VMware virtualization, routing protocols, and firewall administration.
Lead the design and development of embedded NPU software frameworks, runtime libraries, and system drivers for AI acceleration across Snapdragon SoCs. Architect optimizations for high-performance, low-power multimedia and machine learning workloads spanning mobile, automotive, compute, and XR platforms.… Work across the full software stack—from low-level drivers to high-level frameworks—collaborating with hardware and systems teams. Mentor engineers, drive technical decisions, and own system-level integration across CPU/DSP/NPU subsystems.
Senior Sensors Software Engineer at Qualcomm designing and developing low-power embedded software for mobile sensors, IoT, wearables, and AR/VR applications. Responsibilities include architecting scalable real-time embedded systems, performing design and coding for large features, debugging, integration, and technical documentation.… Requires 2+ years of software engineering experience with proficiency in C/C++, embedded RTOS, and Linux/Android/Windows; familiarity with sensors technology, digital signal processing, machine learning, and AI is preferred.
As an IT Support Engineer I, you will provide technical support and implement solutions for computer hardware, operating systems, and enterprise applications in a high-availability environment. You will troubleshoot and resolve IT infrastructure issues, manage local technical projects, and maintain corporate networking and computing systems.… The role requires hands-on experience with Windows Server technologies (AD, DFS, Print Services, SCCM), networking protocols (DNS, DHCP, TCP/IP, SSL), and multi-user environments. You will work across PC repair, deployment, network engineering, and systems administration while interacting with management and staff to improve IT solutions.
Own CI, build, and release infrastructure for AI software products (ONNX Runtime, ExecuTorch, TFLite/LiteRT delegates) across Linux, Windows, and Android. Design and evolve multi-platform CI pipelines, implement HIL and on-device automated testing for Snapdragon SoC validation, and drive end-to-end release pipelines with versioning, artifact packaging, and distribution.… Define automated quality gates including regression benchmarks and performance thresholds. Requires 8+ years of software/DevOps/release engineering experience (or 6+ with a Master's), expert Python and Bash scripting, deep CI/CD platform expertise (Jenkins, GitLab CI, GitHub Actions, TeamCity), and hands-on experience integrating AI coding agents into workflows.
Innovative Defense Technologies seeks a Frontend Developer to design, build, test, and deliver secure software solutions for Navy mission-critical systems. The role focuses on frontend development using React and modern JavaScript, with responsibilities including UI component building, REST API integration, cross-functional collaboration, and deployment pipeline management.… Required experience includes 3+ years as a software developer with significant frontend framework and testing expertise, plus familiarity with Git, Python, SQL, Linux, and debugging across environments. Additional valued skills include Docker, Kubernetes, CI/CD pipelines, and containerization.
S. Navy environment.… t, deploy, and maintain robust Oracle database solutions supporting a U.S. Navy environment. Develop and maintain Oracle database objects (tables, indexes, views, procedures, packages, triggers) using SQL and PL/SQL, integrate databases with web applications using JSON, troubleshoot database issues, and apply secure development practices throughout the full software development lifecycle. Requires minimum 3 years of database programming experience with Oracle 12c or greater, strong SQL and PL/SQL expertise, and knowledge of the complete SDLC from planning through maintenance.
As a Staff System Performance Engineer, you will research, simulate, and validate performance across Qualcomm Snapdragon chipsets, optimizing power, performance, and thermal behavior for Mobile, Compute, Automotive, and IoT platforms. You will profile complex concurrent system use-cases in emulation and software environments (Android/Linux/Windows), define performance analysis plans across multiple workloads (CPU, GPU, AI/ML), and identify optimization opportunities in SoC software and hardware architectures.… You will lead triage of performance issues, collaborate with cross-functional teams on power and thermal solutions, and mentor junior engineers. The role requires 4+ years of post-silicon power/performance analysis experience, strong programming skills (Python, C/C++), deep understanding of ARM SoC architecture, and the ability to communicate findings to senior leadership and drive architectural decisions.
Develop, test, and deliver software and firmware for uncrewed underwater vehicles (UUVs), including designing embedded systems in C/C++, writing device drivers and communication protocols (SPI, I2C, UART), integrating sensors and hardware components, and conducting at-sea testing and validation. The role spans both embedded firmware development and hardware design, requiring hands-on prototyping, PCB work, lab testing with oscilloscopes and logic analyzers, and occasional travel for sea trials.… You will collaborate on component selection, system optimization, regression testing, and may operate UUV systems during evaluation.
Leidos seeks a Sensing Algorithm Engineer to research, develop, and implement novel algorithms for remote sensing applications. The role involves prototyping algorithms in Matlab or Python, implementing efficient C software, conducting performance testing and analysis, and documenting results for customers.… The ideal candidate has a BS/MS/PhD in physics, engineering, or mathematics with 4–8 years of experience, fluency in high-level languages, strong signal processing knowledge, and understanding of probability, statistics, linear algebra, and physics. The position requires an active Top Secret security clearance and full-time on-site work in San Diego, CA.
Senior Cyber Software Engineer supporting the ATLANTIS Multi-level Security C4I system at NIWC PAC in San Diego. You will design, develop, test, and maintain high-quality software solutions using C/C++, Golang, Python, and Java, architect scalable microservices-based systems, and leverage advanced Linux skills for development and system administration.… Responsibilities include code review and mentorship, collaboration with cross-functional teams, troubleshooting complex software issues, and maintaining technical documentation. The role requires a minimum of 8 years of experience with a BS/BA (or equivalent with advanced degree), proficiency in Linux and shell scripting, and an active SECRET clearance with the ability to obtain TOP SECRET/SCI access.
Build full-stack applications incorporating AI, data analytics, cloud technologies, and DevOps for mission-focused projects. You will develop and deploy features using Python, Django, React, APIs, and big data applications while working across the full technology stack.… The role requires 2+ years of professional software development experience with proficiency in Python-based web frameworks, front-end technologies (React, JavaScript, TypeScript), databases (PostgreSQL, MySQL, NoSQL), and basic CI/CD and Git knowledge. You'll collaborate in an Agile environment supporting diverse applications in maintenance planning, maritime analysis, and extreme weather assessment.
Senior Staff Software Engineer role owning technical strategy and long-term evolution of autonomous flight software across the Expeditionary portfolio (V-BAT, X-BAT platforms). Responsibilities include defining autonomy architecture, leading complex integration challenges across motion planning, perception, payload integration, executive autonomy, and multi-agent operations, while mentoring senior engineers and driving cross-functional collaboration with Aircraft, Autonomy Capabilities, Perception, GCS, and Strategic Systems teams.… Requires 10+ years of experience, expert-level C++ and Linux systems development, proven ability to influence architecture across multiple teams, and track record mentoring senior engineers. Travel ~10–20% annually to customer sites, flight tests, and integration exercises.
Support and maintain an Engineering Workspace environment spanning Windows VDI, Citrix, Linux HPC platforms, and simulation applications for a technical user community. Design and maintain automated functional application testing frameworks and CI/CD pipelines, with 5+ years of enterprise Windows/virtual desktop support required.… Deploy engineering and simulation applications, drive automation initiatives, and participate in Agile/DevOps practices to improve system reliability and end-user productivity. Collaborate with IT teams, vendors, and infrastructure partners to diagnose and resolve complex technical issues.
Staff Engineer role focused on integrating autonomy software across simulation (SIL), hardware-in-the-loop (HIL), and flight environments. Responsibilities include ensuring cross-platform compatibility of the autonomy stack, diagnosing integration defects through log and telemetry analysis, optimizing CI/CD pipelines with DevOps teams, and validating system requirements and interface contracts.… Requires 7+ years of experience (or equivalent with advanced degree), proficiency in Python or C++, hands-on experience with autonomous systems and HIL testing, and demonstrated expertise designing integration workflows and CI/CD infrastructure.
Senior Software Engineer responsible for designing, building, and maintaining secure, fault-tolerant distributed systems for sequencing data transfer, storage, and management. Contribute to CI/CD pipelines, evaluate component designs, collaborate across software teams, and drive innovation while troubleshooting complex customer issues.… Required expertise in C# and .NET/Core with 5+ years of software development experience; strong background in distributed systems patterns, testing frameworks, and quality practices essential.
Senior Software Test Engineer at Illumina responsible for designing and executing comprehensive test strategies for complex instruments in a regulated medical device environment. The role requires troubleshooting across hardware and software boundaries, working hands-on with physical laboratory instruments, and managing defects and requirements through industry-standard platforms.… Candidates should have strong debugging and analytical skills, familiarity with embedded systems and communication protocols, and experience in regulated environments; AI-assisted tools and Linux command-line proficiency are valued additions.
Sr. Systems Administrator responsible for daily operational management of computer network systems including workstations, file servers, and virtual machines.… Duties include installation and maintenance of hardware/software, network security tools (firewalls, anti-virus, intrusion detection), VMware/vSphere environments, storage solutions, and disaster recovery infrastructure. Requires 5+ years systems administration experience, 3+ years network engineering with 2+ years cloud architecture, and must hold or obtain a Top-Secret DoD security clearance. Will create technical documentation, troubleshoot vCenter/ESXI/NSX/storage systems, perform capacity planning, and manage containerized deployments.
Senior Automated Test Engineer designing and scaling advanced automated testing and CI/CD infrastructure for autonomous unmanned aircraft and robotic platforms. The role involves developing test frameworks, CI/CD pipelines, and verification tooling across distributed systems including flight code, simulation environments, ground control stations, and hardware-in-the-loop systems.… You will work with Python automation, UI/API testing in Go and TypeScript, GitLab CI/CD, and collaborate with software, autonomy, and systems engineering teams to ensure mission-critical reliability and rapid iteration. Experience with autonomy, aerospace, safety-critical systems, and AI-assisted development is valued.
As a Staff Software Engineer on Qualcomm's AI Software team, you will lead design and development of core features in the Qualcomm AI Stack (QAIRT and Genie), optimizing deep neural networks and large language models for execution on Snapdragon mobile platforms. You will drive AI runtime framework components for resource-constrained mobile systems, working closely with OEM partners and customer teams to deliver features, optimizations, and bug fixes required for product launches.… The role demands expertise in optimizing for power, memory, and performance constraints while maintaining high code quality through design reviews and mentoring junior engineers. You will debug complex system issues across software-hardware boundaries and proactively improve developer workflows, tools, and documentation.
As a Platform Software Engineer in Qualcomm's Automotive group, you will design, develop, and validate embedded software, drivers, and firmware for next-generation automotive solutions including infotainment, telematics, and autonomous driving systems. You will lead development and debugging of platform software modules, collaborate with hardware and systems engineers, and interact with automotive customers to deliver requirements-compliant solutions.… The role requires understanding of hardware-software integration across CPU, accelerators, and standard hardware blocks, with expertise in embedded software layers such as boot, drivers, firmware, security, and safety kernels. You will work with automotive industry standards, embedded systems on ARM-based SoCs, and tools such as JTAG debugging and C programming.