Top Senior Linux Jobs in San Diego, CA

Designs and supports FPGA products through requirements, architecture, RTL coding, synthesis, place and route, timing closure, simulation, lab testing, debugging, and product support. The role requires expertise in FPGA or ASIC development, VHDL or Verilog, timing analysis, clock-domain crossing, high-speed interfaces, and FPGA development tools. The engineer will collaborate onsite, troubleshoot hardware, support verification, mentor teammates, and may lead design teams.

Administer and troubleshoot Windows and Linux servers, workstations, networks, authentication, file sharing, VMware infrastructure, Exchange, NetApp storage, and Windows patching systems. Perform virtualization lifecycle management, classified-system hardening, documentation, backup operations, and RMF audit preparation. Collaborate with security personnel and IT stakeholders to maintain compliant, secure, and reliable lab infrastructure in a fully onsite environment.

Leads multidisciplinary hardware engineering teams of 20+ through electro-mechanical product design and development. Owns technical execution, cost, schedules, budgets, productivity metrics, design reviews, hardware processes, staffing, and proposal baselines. Coordinates with engineering, procurement, operations, program management, customers, and suppliers while ensuring quality, manufacturability, and delivery within budget and schedule. Supports advanced defense products, including electronic warfare and radar technologies.

Build Cloudflare’s internal fraud platform, including event ingestion pipelines, backend services, model-scoring integrations, and investigation tools. Partner with data scientists and cross-functional teams to productionize fraud detection capabilities, ensure reliable high-volume processing, and own projects from definition through operation. Establish architecture, tooling, and engineering standards for a new 0-to-1 platform.

Designs, implements, and manages AWS infrastructure and Infrastructure as Code automation. Partners with application engineering, quality, security, and compliance teams to deliver reliable platform solutions. Owns platform stability, observability, incident response, security best practices, and zero-downtime deployments. Participates in on-call rotations, uses metrics for decision-making, and supports application architecture decisions while continuously improving DevOps processes and automation.

Lead a globally distributed IT engineering team building enterprise integrations, workflow automation, orchestration, and AI-native workflows. Set technical direction, establish roadmaps, manage delivery metrics, and partner with business and service operations leaders to eliminate manual work. Guide engineers on architecture, CI/CD, testing, and development practices while evaluating emerging automation and AI tools. Build integrations across identity, ITSM, SaaS, and enterprise systems, and grow team capabilities across US and India time zones.

Designs and integrates complex mechanical systems, supports architecture trade studies, and develops, validates, and verifies system requirements. The role creates verification and qualification plans, coordinates component and analysis teams, presents technical findings, oversees testing, and maintains traceable technical documentation. It requires aerospace systems engineering expertise, knowledge of mechanical and thermal disciplines, requirements management tools, Model-Based Systems Engineering, and environmental testing experience. The position is hybrid in Torrance, California, with no relocation offered.

Leads advanced aircraft combustor design, combustion analysis, rig and engine testing, CFD, thermal and finite element analysis, tool development, technical issue resolution, manufacturing support, compliance, and risk management. Serves as a technical contact for customers, supports production and fielded hardware, develops engineering processes, contributes to new product opportunities, and mentors engineering personnel.

Designs, develops, integrates, and validates environmental control system models for commercial, business, regional, and military aircraft. Responsibilities include thermodynamic, heat transfer, and fluid mechanics analysis; ECS performance modeling and simulation; system and equipment requirements definition; model optimization and validation; stakeholder coordination; and integration test support, including test planning, execution, data review, and model calibration.

Develop, test, and deploy scalable software solutions for the billing platform. Collaborate with technical teams on system design, technology strategy, documentation, and quality delivery. Apply modern frameworks and engineering practices, solve complex technical problems, mentor colleagues, and support highly available systems aligned with business and customer needs.

Develop advanced sensing algorithms and system concepts using signal processing, mathematics, physics, optimization, modeling, simulation, and AI/ML. Implement and evaluate solutions in MATLAB and Python, collaborate with software and systems engineers to create efficient production implementations, and test capabilities for fielded systems. Work on multidisciplinary teams addressing radar, optical, remote sensing, and complex physical-system challenges.

Develop advanced sensing algorithms and system concepts using signal processing, mathematics, physics, optimization, and computational methods. Model and simulate complex sensing environments, evaluate algorithms in MATLAB and Python, and collaborate with software and systems engineers to implement efficient fielded solutions. The role supports multidisciplinary development and testing of radar, optical, remote sensing, autonomy, and AI/ML capabilities for real-world defense applications.

Designs, builds, and scales backend services and integrations for payments, billing, identity, and partner connectivity. Sets technical vision and architecture for distributed systems, leads cross-team delivery, manages production rollouts, builds fault-tolerant services and data pipelines, and mentors engineers. The role partners with product, design, and engineering teams to deliver frequent, reliable improvements for Flex’s rent payment platform.

Design, build, and scale backend services and integrations for payment, billing, identity, and partner systems. Own API scoping, design, implementation, deployment, and production operations with minimal oversight. Build fault-tolerant systems, data pipelines, and scalable architectures while collaborating with product, design, engineering, and external partners. Contribute to reliability monitoring, observability, automation, technical standards, and mentoring in a distributed team.

Build and own full-stack MarTech services, scalable APIs, event-driven systems, data pipelines, and customer-facing web experiences. Integrate advertising, analytics, messaging, and marketing platforms while supporting attribution, identity resolution, experimentation, acquisition, and retention. Collaborate cross-functionally with marketing, product, data, design, and engineering teams to launch measurable growth initiatives. Mentor engineers and establish technical best practices across high-scale marketing infrastructure.

Designs, develops, integrates, and validates spacecraft guidance, navigation, and control systems. Responsibilities include GNC algorithm design, dynamic modeling, Monte Carlo simulations, stability analysis, sensor and actuator modeling, HITL testing, flight-mode ownership, requirements integration, and technical leadership. The engineer also mentors junior staff and supports closed-loop GNC and FDIR subsystem development.

Leads the architecture, design, development, integration, verification, and testing of complex software and multidisciplinary space systems. Responsibilities include managing system requirements and architectures, defining operational concepts, leading milestone reviews, mitigating technical risks, improving engineering processes, and mentoring software engineers. The role requires advanced software engineering expertise, scalable system design, algorithmic knowledge, technical leadership, and an active Top Secret clearance.

Own enterprise partner integrations end to end, from scoping and solution-design handoff through Java development, go-live, debugging, maintenance, and expansion. Collaborate directly with partner engineering teams, troubleshoot APIs, webhooks, authentication, and data flows, and create documentation and integration resources. The role requires strong technical communication, AI-assisted development, frequent travel, and hands-on ownership of production integrations.