Top Senior Linux Jobs in San Diego, CA

Develop, manage, and secure cloud-native container platforms using DevOps and DevSecOps practices. Automate builds, testing, monitoring, releases, and infrastructure deployments while troubleshooting GitLab CI/CD pipelines. Collaborate with application teams across the software development lifecycle, develop Kubernetes and container solutions, recommend secure cloud resources, and support platform strategy and design. The role requires TS/SCI clearance with polygraph and relevant security certification.

Design, develop, test, debug, and maintain C++ software for medical technology systems. Support Linux development, system integration, OS configuration, security hardening, and cybersecurity activities. Translate requirements into architectures and implementations, resolve complex defects, participate in reviews, maintain documentation, and ensure compliance with quality, engineering, and regulatory standards. Collaborate cross-functionally and contribute to secure, maintainable software solutions.

Build and maintain cross-platform React Native applications for iOS and Android, along with Ruby on Rails APIs, background jobs, and data models. Integrate REST APIs and SDKs, optimize performance, write automated tests, resolve native platform issues, and manage app releases. Provide technical leadership on mobile architecture, coding standards, code reviews, and mentoring while collaborating with product, design, and backend teams.

Performs structural, thermal, dynamic, vibration, fatigue, and mechanical analyses for advanced directed energy defense systems. Develops and validates engineering models, correlates predictions with test data, supports mechanical design and qualification, investigates failures, and provides actionable recommendations. Collaborates across systems, electrical, optical, manufacturing, quality, and test teams. Senior engineers lead subsystem analysis, technical reviews, qualification activities, and mentoring.

Leads the ServiceNow enterprise platform across development, test, and production environments. Responsibilities include platform administration and development, configuration, integrations, upgrades, release management, security, testing, incident remediation, CMDB and CSDM improvements, and technical roadmap ownership. The role coordinates business analysts, quality engineers, vendors, and managed service providers while ensuring platform stability, service quality, documentation, and alignment with organizational goals.

Develop, integrate, test, and sustain mission-critical software and systems using Python, C++, GitLab, and Docker. Support architecture, CI/CD, containerized deployments, troubleshooting, documentation, code reviews, configuration management, networking, and system validation. Collaborate with multidisciplinary engineering teams to deliver solutions for complex defense and intelligence customer requirements.

Leads SAP ABAP development for a large-scale S/4HANA finance transformation. Oversees technical design, custom development, integrations, data conversion, testing, deployment, cutover, production stabilization, and clean-core extensibility. Coordinates internal, offshore, vendor, and system integrator teams while enforcing development standards, security, SOX controls, quality practices, and release governance. Partners with functional teams and business stakeholders, resolves complex SAP issues, supports Agile delivery, and mentors developers and technical analysts.

Provides technical leadership for Advantest V93000 semiconductor test-system engagements. Responsibilities include analyzing customer requirements, developing and validating test solutions, creating and debugging test programs, integrating systems, managing project deliverables, coordinating technical resources, delivering customer training, and serving as a liaison between customers and internal teams. The role also supports sales engagements, demonstrations, benchmarking, implementation, optimization, and technical consultation for HPC, SoC, and high-speed I/O technologies.

Supports municipal wastewater infrastructure projects through feasibility studies, treatment process design, facility upgrades, optimization, regulatory compliance, and technical documentation. Develops calculations, drawings, specifications, reports, and compliance materials; evaluates physical, chemical, and biological treatment systems; coordinates with project teams, clients, and regulators; assists with scopes, budgets, schedules, and work plans; and mentors junior staff. The role requires hybrid work in Austin and travel to project sites and client meetings.

Supports IT/OT infrastructure enabling GMP manufacturing systems, including networks, servers, virtualization, manufacturing applications, automation platforms, and cybersecurity controls. Troubleshoots incidents, monitors system performance, manages connectivity and segmentation, supports validation and SDLC activities, maintains audit readiness, and coordinates infrastructure deployments with IT, Engineering, Quality, Manufacturing, vendors, and project teams.