Top Senior Linux Jobs in San Diego, CA

Leads spacecraft RF system architecture, link budget analysis, communications subsystem integration, PCB design, EMI/EMC testing, and magnetic cleanliness programs. Performs RF hardware evaluation, integration, cleanroom testing, soldering, and compliance work under FCC and NTIA requirements. Provides technical guidance on test configurations and grounding while supporting a government contract onsite in Los Angeles. An active Top Secret clearance is required.

Develop and maintain spacecraft flight software architecture, embedded components, communication protocols, hardware interfaces, memory systems, boot behaviors, and recovery modes. Manage GitLab-based CI/CD, conduct testing on flatsat and flight-unit testbeds, integrate spacecraft subsystems, document designs and results, ensure standards compliance, and provide technical guidance. The role requires aerospace flight software experience, embedded programming skills, and an active Top Secret clearance.

Leads a multidisciplinary production test development and execution group supporting aerospace and defense systems. Responsibilities include managing personnel and budgets, developing logistics and configuration processes, planning hardware-software integration and acceptance testing, overseeing test equipment calibration and compliance, and delivering validated production handoff packages. The role also supports technology roadmaps, customer engagement, proposals, research partnerships, hiring, mentoring, and strategic capability development.

Build and own production-grade APIs, services, and user-facing applications across Python and TypeScript. Architect event-driven systems, deploy serverless workloads, containerize services with Docker on AWS, and establish engineering practices and technical roadmaps. Partner with product and business stakeholders to deliver scalable features, manage projects from concept through deployment, and mentor future engineers. This first engineering hire will have substantial ownership in an early-stage startup and potential to grow into leadership.

Designs, configures, troubleshoots, and optimizes secure network connectivity across cloud, hybrid, on-premises, and legacy environments. Monitors network performance, resolves incidents, supports controlled infrastructure changes, maintains technical documentation, and prepares operational reporting. The role also supports resilient cloud integration, security controls, service restoration, root-cause analysis, and formal IT service-management processes.

Build and maintain scalable infrastructure platforms supporting domestic and international workloads. Develop CI/CD, declarative lifecycle management, Kubernetes clusters, monitoring, and automation systems. Troubleshoot infrastructure issues, respond to alerts, minimize downtime, streamline delivery pipelines and database changes, and help guide SRE team direction. Collaborate with engineers, data scientists, and technology professionals while promoting a high-performance, cross-functional culture.

Build and maintain scalable full-stack healthcare software in collaboration with clinicians, operators, and product managers. Own solutions from understanding business problems through delivery and measurement, make independent technical and product decisions, incorporate AI agents, and improve development practices through testing and documentation. The role involves developing and refactoring complex distributed systems while connecting engineering work to user and business outcomes.

Lead the migration of 3,000 Windows and macOS endpoints from legacy on-premise management to Microsoft Intune. Responsibilities include auditing and migrating GPO and SCCM configurations, implementing BitLocker and FileVault security policies, managing recovery keys in Entra ID, configuring Autopilot and automated macOS enrollment, maintaining Windows co-management, and participating in Agile modernization and architecture activities.

Owns functional safety certification, standards compliance, safety lifecycle gates, safety cases, certification body relationships, safety manuals, subsystem data packs, regulatory monitoring, and field modification impact analysis. The role serves as the named Functional Safety Manager, evaluates evidence against IEC and ISO standards, supports customer conformity files, and independently challenges safety analyses across autonomous machinery products.

Infrastructure Engineer responsible for secure over-the-air software deployments to globally fielded systems in degraded or disconnected environments. Manages Docker, Kubernetes, Linux systems, enterprise networking, virtualization, firewalls, monitoring, backups, and disaster recovery. Automates deployment and administration using Bash, Python, and configuration-management tools, troubleshoots across network and system layers, and remotely monitors deployed software to improve fleet availability and reduce field-service travel.

Own the full software lifecycle for Linux-based applications across on-premises and AWS environments. Lead modernization of legacy systems, develop across Python/Django and PHP/Laravel stacks, manage cloud infrastructure, design integrations, and support data exchange. Provide technical leadership through architecture, code reviews, DevOps, testing, observability, security, troubleshooting, and KPI ownership while collaborating with stakeholders, customers, and partners.

Own and lead the automated QA practice across web applications, defining testing strategy, coverage, release gates, test data, and quality metrics. Build Playwright-based E2E and API test suites, integrate testing into CI/CD, establish performance testing, reduce flakiness, and create workflow automations. Partner with engineering leadership, coach developers on testability, perform exploratory testing, diagnose failures, and provide release-readiness recommendations.