linux jobs in San Diego

Principal Systems Administrator role managing enterprise Windows Server and Linux environments, including Active Directory, virtualization (VMware/Horizon), cloud identity (Azure AD), and endpoint security. Requires 7+ years of systems administration experience, CompTIA Security+ certification or DoD 8570 IAT Level II equivalent, and ability to obtain a US Secret clearance.…See more The role combines hands-on administration with mentorship, technical documentation, and Tier 1–2 escalation support, including automation via PowerShell, Bash, or Python.

A Platform Engineer role focused on deploying, managing, and optimizing critical infrastructure for defense and government clients. Responsibilities include implementing system automation with Ansible and Puppet across RHEL and Windows platforms, deploying and maintaining Kubernetes clusters with RKE2 and Rancher, and managing open-source applications (NiFi, Kafka, Zookeeper, MinIO, Keycloak, Longhorn, Grafana, Prometheus, Loki, Promtail, GitLab).…See more The role requires 7+ years of hands-on enterprise Linux and Windows systems management, strong troubleshooting skills in distributed environments, and an active Top Secret/SCI clearance.

Senior Staff Software Engineer leading technical strategy and architecture for networking software solutions at Qualcomm. Requires 7+ years of embedded software, systems software, or device driver development experience with deep C programming expertise and Linux kernel internals knowledge.…See more Will own technical execution plans, lead cross-functional engineering teams, influence product direction, and mentor engineers while balancing performance, scalability, reliability, and long-term roadmap requirements.

Staff Automation Engineer responsible for developing, testing, and maintaining production automation systems, data pipelines, and workflow tools that support engineering organizations. The role requires strong Python and Linux expertise, SQL/database knowledge, and experience building maintainable backend systems and automation workflows.…See more Responsibilities include troubleshooting production issues, improving system reliability and monitoring, integrating data from multiple sources, and leveraging AI-assisted development tools to accelerate implementation and testing. This is a hands-on individual contributor role focused on execution, delivery, and knowledge transfer during an organizational transition.

Staff Engineer leading the design and operation of Shield AI's data platform to support autonomous systems, ML workflows, and edge-to-cloud data flows. You will architect distributed storage and compute solutions, build first-party integrations for heterogeneous data sources, and establish operational standards for reliability, security, and observability.…See more The role requires deep expertise in data modeling, API design, distributed systems, Kubernetes infrastructure, and the ability to guide technical direction across autonomy, ML, test, and infrastructure teams.

Staff-level database engineer responsible for managing production database environments across MySQL, ClickHouse, and MongoDB at scale. The role demands independent execution, proactive monitoring, performance optimization through query tuning and indexing, and 24/7 on-call incident response.…See more Requires 4+ years of MySQL and cloud platform experience (Azure/AWS), strong Linux expertise, and scripting proficiency (Golang preferred); nice-to-have skills include AI tooling integration (LangChain, LlamaIndex), vector databases, and RAG for automating database operations.

Enterprise System Administrator III responsible for managing hybrid Microsoft Windows and Unix server environments, including on-premises and cloud infrastructure. Will install, configure, and maintain servers, storage systems, backup systems, and directory services while using modern AI-enabled tools for infrastructure automation and deployment.…See more Requires 6+ years of system administration experience, proficiency with Microsoft 365, Azure, AWS, Active Directory, VMware virtualization, and scripting languages like PowerShell.

This role supports cybersecurity engineering and infrastructure security for enterprise, cloud, and classified environments. The engineer will manage vulnerability assessment, system hardening, patching, secure configuration, and DevSecOps pipeline integration across Linux and Windows Server platforms.…See more Responsibilities include compliance support (RMF, ATO, NIST SP 800-53, DISA STIGs), CI/CD security automation, containerized environment hardening, and infrastructure-as-code implementation. Strong technical depth in cloud platforms (AWS/AWS GovCloud), container orchestration, security tooling, and the ability to communicate complex technical and compliance issues to engineering and mission stakeholders are required.

Principal Specialist supporting software configuration management (SWCM) in aerospace defense, responsible for configuration identification, version control repository administration, software build capture/release, license management, and coordination of engineering review boards. Requires 5+ years of configuration management and software development experience, general knowledge of CM and SDLC concepts, and proficiency with Microsoft Office and documentation systems.…See more Will work independently and collaboratively in a dynamic environment, supporting audits, processing change requests, and maintaining accurate technical documentation.

Lead the design and development of embedded NPU software frameworks, runtime libraries, and system drivers for Qualcomm's Snapdragon SoC portfolio, optimizing for high-performance AI and multimedia workloads across mobile, automotive, compute, and XR platforms. Architect solutions across the full stack from low-level drivers to high-level frameworks, collaborating with hardware and systems teams to deliver production-grade solutions.…See more Drive technical decisions, mentor engineers, and optimize software using advanced NPU architecture techniques including SIMD, multi-threading, and memory hierarchy optimization. Requires deep expertise in embedded systems, C/C++, NPU architecture, real-time operating systems, and demonstrated ability to lead complex development efforts across cross-functional teams.

Systems Engineer IV providing technical leadership for Navy C5ISRT programs, including Ship's Signals Exploitation Equipment (SSEE) Family of Systems and related cryptologic initiatives. Responsibilities span systems engineering, integration, testing, configuration management, documentation, and fleet support.…See more Requires 8–10 years of DoD/Navy systems engineering experience, a Bachelor's degree in engineering or related field, and strong technical writing skills. Must obtain or maintain TS/SCI clearance and CompTIA Security+ certification.

Design, implement, and optimize advanced algorithms for radar, optical, and infrared sensor systems, working with scientists and engineers to build high-performance backend systems for scientific computing in distributed environments. Translate existing code for GPU/CUDA acceleration, integrate and refactor scientific codebases, and work in Linux/Unix environments.…See more Requires 6+ years of C/C++ backend development (or 4+ with a Master's), expertise in high-performance computing, parallel/distributed processing (MPI), GPU/CUDA programming, and foundational knowledge of AI/ML and LLM concepts.

Zoox seeks an embedded software engineer to develop, maintain, and optimize real-time embedded software for multiple platforms in autonomous vehicles. You will architect board support packages (bootloader, drivers, RTOS), build low-level frameworks and infrastructure, and collaborate with electrical and validation engineers to bring up new embedded platforms.…See more The role requires 3+ years of hands-on embedded C/C++ development for distributed electromechanical systems, strong microcontroller/microprocessor expertise, and experience with RTOS environments like FreeRTOS or QNX.

Lead a platform DevSecOps team at BAE Systems, designing and maintaining on-premises infrastructure with a focus on security, scalability, and reliability. You will develop CI/CD pipelines, automate infrastructure provisioning using tools like Ansible or Puppet, implement security best practices, and troubleshoot production incidents.…See more The role requires hands-on expertise in containerization (Kubernetes, Docker), scripting (Python, Bash, PowerShell), monitoring, and Linux administration, with the ability to bridge development and operations in a fast-paced, hybrid environment.

Senior Software Integration Engineer responsible for integrating Shield AI's Hivemind autonomy platform onto vehicle systems, from interface design through SIL/HIL/VIL testing to operational deployment. Leads cross-disciplinary integration of autonomy, autopilots, sensors, payloads, mission computers, and communications systems on expeditionary platforms.…See more Develops reusable onboarding frameworks, middleware configurations, and deployment pipelines while debugging across hardware, embedded software, networking, and autonomy layers. Requires 4–7 years integrating complex robotics or aerospace systems, proficiency in C++ and Python, Linux development expertise, RTOS familiarity, and hands-on field-test experience.

Senior Staff Engineer responsible for leading complex UxS/UAS systems integration across hardware, software, autonomy, and operational test environments. Will define readiness criteria and test coverage for hardware-based autonomy validation, troubleshoot unmanned systems (flight controllers, radios, sensors, ground stations), and drive reusable test practices and field guidance across engineering and operations teams.…See more Requires 10+ years hands-on experience in UxS systems integration, robotics, autonomy testing, or flight test, with strong practical knowledge of Linux, embedded systems, autopilot ecosystems (PX4, ArduPilot, MAVLink, Pixhawk), and scripting/data-analysis tools (Python, Bash, MATLAB). Must lead through influence across cross-functional teams and communicate technical findings to diverse audiences.

SAIC seeks a Principal Software Engineer to design and implement streaming data platforms and machine-learning systems for government clients. The role involves full-stack development in Python, Java, or JavaScript, Kubernetes deployment, ETL/data pipeline work, and direct client collaboration on custom applications.…See more The position requires 9 years of experience (or 7 with a Master's degree), a Top Secret clearance with TS/SCI eligibility, and hands-on proficiency in cloud platforms (AWS/Azure), databases (SQL, Postgres, MongoDB), and Linux.

Lead enterprise IT systems engineering for Navy infrastructure modernization, architecting and securing Windows, Linux, and cloud server platforms across Active Directory, hybrid identity, virtualization, and Azure environments. Direct a team of IT systems engineers in deploying, optimizing, and troubleshooting mission-critical infrastructure while serving as on-site technical advisor to government clients on system architecture and modernization strategy.…See more Require 10+ years enterprise Windows Server experience, 3+ years technical leadership, expertise in AD/Entra hybrid identity, enterprise endpoint management (MCM/SCCM), and hyperconverged infrastructure, plus hands-on knowledge of PowerShell automation, Azure, and security hardening.

Design, deploy, and maintain virtualized Linux training environments for Navy simulation systems using KVM, libvirt, and Open vSwitch. Migrate services from tactical hardware to virtualized platforms, develop Python automation and Ansible playbooks for deployment and configuration, and troubleshoot complex integration issues across virtualization, networking, storage, and applications.…See more Support cybersecurity compliance activities including STIG implementation and RMF activities. Requires 4–8 years of experience with Linux systems engineering, virtualization, and platform engineering, or a Master's degree with 2–6 years relevant experience.

This Systems Administrator II role supports containerized and cloud-based infrastructure for a defense-focused technology company. The administrator will maintain system documentation, configuration records, software inventories, and license tracking while supporting both Windows and Linux environments, networking infrastructure, and cybersecurity hardening.…See more Required experience includes Linux command-line proficiency, system configuration and troubleshooting, networking protocols (TCP/IP, DNS, DHCP, VPNs, firewalls), and cybersecurity practices. Preferred qualifications include containerization technologies (Docker, Kubernetes), edge computing hardware, cloud platforms (AWS, Azure), shell scripting, and tactical systems support.

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 technologies (AWS, Azure), manage Kubernetes deployments, build data-driven applications with ETL pipelines, and provide client technical support and documentation.…See more The role requires 9 years of experience (or 7 with a Master's), a Top Secret clearance with ability to obtain TS/SCI, and hands-on expertise in cloud, databases, Linux, and big-data tools.

Sr. Site Reliability Engineer responsible for building and improving observability infrastructure, monitoring systems, and reliability patterns across AppFolio's Real Estate Platform.…See more You'll work with engineering teams to implement SLIs/SLOs, diagnose performance issues across the full stack, and manage infrastructure-as-code deployments on Kubernetes and AWS. Strong coding skills (Go, Ruby, or Python) and 5+ years of industry experience required; you'll be on-call and expected to help teams become self-sufficient in reliability practices.

AI Architect role requires designing and delivering enterprise-scale AI/ML solutions on AWS, with 5–7 years of cloud experience and 2–3 years hands-on with LLMs, agentic frameworks, and AI/ML services. The position demands deep expertise in AWS AI services (Bedrock, SageMaker, Kendra), orchestration frameworks (LangChain, LangGraph), RAG pipelines, MLOps tooling, and responsible AI principles.…See more Candidates must architect scalable, cost-optimized solutions integrating AI with cloud infrastructure, data platforms, and microservices, and communicate complex technical concepts to executive and technical audiences.

Design and develop embedded and cloud edge software applications focused on AI/GenAI, multimedia, and computer vision SDKs and frameworks for IoT products including drones, cameras, and AI boxes. Collaborate with systems, hardware, and architecture teams to build high-performance, real-time embedded software solutions.…See more Lead GenAI LLM/VLM inference workflows, multi-stream AI pipelines, and multimedia frameworks across Android, Linux, and embedded systems. Requires 2+ years of software engineering experience with C/C++, Python, or Java, plus preferred expertise in PyTorch, TensorFlow, ONNX Runtime, LangChain, LlamaIndex, Android architecture, Linux system programming, and graphics/GPU pipelines.

BAE Systems seeks a Platform DevSecOps Engineer to lead infrastructure teams designing, implementing, and maintaining on-premises systems with focus on security, scalability, and reliability. The role centers on developing CI/CD pipelines, automating infrastructure provisioning using tools like Ansible, Puppet, or Chef, and implementing security best practices across cloud and air-gapped environments.…See more The engineer will troubleshoot production incidents, monitor system performance, and stay current with DevSecOps practices. Requires proven DevSecOps experience, ability to obtain TS/SCI clearance, hands-on Kubernetes/Docker containerization, scripting in Python/Bash/PowerShell, and Linux/Unix administration.