Top Senior Linux Jobs in San Diego, CA

Leads the architecture, implementation, security, monitoring, and support of Azure and enterprise infrastructure environments. Owns Active Directory, Entra ID, Microsoft 365, Egnyte, networking, storage, and systems policies. Resolves complex infrastructure issues, leads risk assessments and automation initiatives, evaluates vendors and tools, mentors junior engineers, and supports capacity planning, budgeting, and strategic technology decisions.

Leads technical food R&D and commercialization across private brands, translating concepts into scalable formulations and processes. Oversees food safety, regulatory compliance, QA standards, shelf-life performance, technical specifications, change management, supplier evaluations, and continuous improvement. Partners with QA, Regulatory, Legal, Sensory, Strategic Sourcing, co-manufacturers, and internal teams to ensure products are technically ready, compliant, and consistently produced.

Designs and verifies RF, analog, and mixed-signal integrated circuits from architecture through layout, simulation, silicon characterization, and production release. Responsibilities include transistor-level design, PVT and Monte Carlo analysis, RFIC-package-PCB co-simulation, layout collaboration, laboratory measurements, silicon debug, yield improvement, and cross-functional product validation. The role develops RFIC building blocks including amplifiers, mixers, oscillators, converters, filters, regulators, and calibration circuits.

Provides system-level software testing across security and detection products, including requirements analysis, test planning, manual and automated test design, execution, defect tracking, reporting, regression automation, and field deployment support. The role mentors junior engineers, improves testing processes, collaborates across engineering teams, supports infrastructure automation, and ensures adherence to quality and safety standards.

Own production reliability across Azure, colocation, and edge Kubernetes environments. Build observability, alerting, automated recovery, high-availability architectures, deployment automation, and cost optimization. Lead incident response, troubleshoot distributed systems, improve disaster recovery and operational maturity, support platform lifecycle management, and mentor engineers. Participate in separate weekday and weekend on-call rotations for customer-facing systems.

Leads the design, implementation, maintenance, security, and troubleshooting of LAN, WAN, VPN, firewall, wireless, and remote-access networks. Oversees major network projects, coordinates engineers, develops security policies, evaluates emerging technologies, ensures documentation, supports budgeting, and provides technical coaching to junior staff.

Build and maintain global infrastructure systems, monitoring and observability tooling, real-time packet and flow analysis, configuration automation, and resilient deployment platforms. The role combines systems engineering and software development, requiring deep debugging of complex software stacks, streaming architecture expertise, CI/CD and Kubernetes experience, and a strong focus on reliability, efficiency, and operational excellence.

Lead development of high-performance financial trading applications and Order Management System features across Java backends and JavaScript frontends. Responsibilities include architecture, performance optimization, troubleshooting, code reviews, mentoring, technical planning, documentation, and collaboration with product managers and engineers. The role requires full-stack engineering experience, strong testing and problem-solving skills, and knowledge of the financial trading ecosystem.

Build and maintain CI/CD pipelines, automated test frameworks, build and release infrastructure, and cloud or on-premise environments for embedded, firmware, and application software. Manage Git workflows, containerized services, hardware-in-the-loop testing, quality metrics, coverage, regression tracking, and release readiness. Support continuous improvement and QA best practices across engineering teams.

Leads reliability strategy and architecture for business-critical distributed systems. Designs SLOs, SLIs, observability, automation, and shared SRE tooling; leads major incident response, root cause analysis, remediation, and release risk assessments. Improves CI/CD, deployment, rollback, and change practices while ensuring regulatory compliance. Mentors engineers, influences architecture, and advances reliability culture across engineering and product teams.