Top Senior Linux Jobs in San Diego, CA

Develop and lead the delivery of high-quality C++ software for FreeWheel’s cloud-based ad-serving and distributed systems. Responsibilities include designing scalable architectures, deploying and troubleshooting Linux systems, optimizing algorithms, working with Snowflake and Aerospike, reviewing code, collaborating with stakeholders and QA, documenting technical work, and mentoring junior engineers. The role requires independent judgment, strong communication, and flexibility for nights, weekends, variable schedules, and overtime.

Develop and run high-fidelity simulations of satellites, aircraft, sensors, and ISR systems. Analyze mission architectures, technologies, operating concepts, and large simulation datasets to identify performance drivers and risks. Build automation, engineering tools, visualizations, and simulation capabilities; validate analytical methods; and communicate findings and recommendations to engineers, customers, program leaders, and senior decision-makers.

Lead the design, automation, and scaling of global compute infrastructure across data centers, cloud, and on-prem. Operate GitOps with Rancher Fleet/Flux/Helm, build self-healing tooling, own cluster autoscaling and capacity strategy, define SLOs using Datadog, and participate in on-call rotation while mentoring peers.

Develop and customize insurance applications on the Guidewire platform (PolicyCenter, BillingCenter, ClaimCenter). Design, code, test solutions using OOP and Guidewire technologies, manage system configurations, mentor junior staff, build client relationships, and apply firm methodologies to deliver high-quality insurance technology solutions.

Lead and manage embedded firmware teams to deliver scalable, maintainable software for consumer products. Coordinate cross-functional teams, drive architecture and release processes, manage resourcing and schedules, mentor engineers, and ensure on-time, high-quality product launches across multiple product roadmaps.

Lead the architectural design and strategy for a next-generation sports betting and trading platform. Define enterprise architecture, create vision and roadmaps, validate solutions via POCs, govern third-party integrations, and align stakeholders and leadership to ensure scalable, maintainable, high-performance systems.

The Principal Mechanical Engineer will lead a team in conducting structural and vibration analysis, CFD modeling, and collaborate across engineering disciplines for aerospace hardware design and testing.

Lead the Customer Agent AI project at Klaviyo, managing engineering teams, defining technical direction, and driving architectural decisions to develop a conversational AI platform.

Own and evolve the Subscriptions and Payments backend: design APIs, integrate providers, improve reliability and scalability, lead architecture and code reviews, collaborate cross-functionally, and participate in on-call rotations.

Administer and optimize enterprise AVEVA PI environments supporting real-time power infrastructure and control center operations. Configure OT data collection and integrations from SCADA, DCS, RTUs, PLCs, and related systems. Lead architecture improvements, troubleshooting, infrastructure maintenance, modernization, automation, telemetry feeds, project onboarding, documentation, and stakeholder coordination. Develop solutions using Python, PowerShell, and .NET while mentoring junior team members and supporting Operations Engineering.