Top Senior Linux Jobs in San Diego, CA

Design, develop, and optimize industrial processes and equipment for large-scale energetics production. Lead R&D testing of chemistries, improve efficiency and quality through data analysis, enforce safety and environmental compliance, manage equipment maintenance, and mentor a small production and lab team.

Provides hands-on administration, support, security, and continuous improvement for the company’s global corporate IT environment. Manages identity, endpoints, collaboration, networking, security, and productivity platforms; resolves complex escalated issues; supports onboarding, access management, integrations, and standardization. Acts as deputy to the Global IT Manager, coordinates IT operations, mentors team members, manages assigned vendors and contracts, supports security and compliance activities, and contributes to mergers, acquisitions, documentation, and process improvement.

Provides technical service and support for water treatment systems across customer sites. Responsibilities include customer relationship management, plant surveys, application start-ups, system analysis, sample testing, light maintenance, chemical ordering and inventory management, service reporting, and written recommendations. The role supports sales teams, resolves customer issues, manages technical projects, follows safety requirements, and travels 15%–20% throughout Columbus and surrounding states.

The Senior Software Engineer will design, build, and operate backend services, ensuring system reliability and performance while collaborating with others in a high-growth environment.

Own and evolve an on-prem Kubernetes platform supporting trading systems. Responsibilities include cluster lifecycle management, observability with metrics, logs, and traces, GitOps and CI/CD infrastructure, infrastructure automation, and self-service tooling. The engineer will onboard trading and development teams, build documentation and runbooks, troubleshoot Linux systems, and scale reliable platform services across the firm.

Administer and optimize enterprise Windows and Linux infrastructure, virtualization, cloud platforms, networks, storage, security, endpoints, identity systems, and disaster recovery. Monitor performance, resolve infrastructure issues, maintain compliance controls, document systems, support technical escalations, and lead upgrades, migrations, and deployments. The role requires independent management of complex environments and strong communication with technical and non-technical stakeholders.

Own full-stack features for Techstars OS from data ingestion and APIs through React interfaces and production delivery. Build AI-native search, retrieval, and assistive workflows using founder and portfolio data. Lead migration and retirement of legacy tools, develop data pipelines, improve testing and CI/CD, and provide architectural guidance. The role requires strong autonomy, written communication, and end-to-end ownership across cloud infrastructure and product development.

Build and maintain backend services and APIs for web and mobile applications. Own features through design, development, testing, release, and support; mentor junior engineers; conduct code reviews; promote TDD and automated testing; participate in on-call incident response and postmortems; and contribute to distributed systems innovation and platform improvements.

Leads medium-complexity manufacturing engineering projects, including equipment design, process improvements, automation, new product development, equipment installation, and plant reliability initiatives. Develops technical specifications, layouts, budgets, schedules, and project documentation. Provides hands-on troubleshooting and technical consultation for mechanical, hydraulic, pneumatic, and electrical systems while ensuring safety, regulatory, and operational requirements. Extensive travel to manufacturing facilities is required.

Leads mechanical architecture, design, integration, testing, and lifecycle support for products, tools, testers, and electromechanical systems. Develops prototypes, manufacturing processes, documentation, and experiments; manages medium-complexity projects and resources; supports production launch and sustaining operations; and assists junior engineers. Collaborates with customers and internal teams, analyzes product data, and provides application configuration and startup support.