Top Senior Linux Jobs in San Diego, CA

Maintains and monitors enterprise network infrastructure, responds to alarms and support tickets, troubleshoots Layer 1–3 issues, provisions circuits, configures devices, and coordinates incidents and maintenance with field and engineering teams. The role also leads technical projects, documentation, disaster recovery drills, change control, vendor coordination, regulatory compliance, and end-user training while supporting resilient and secure computing services.

Lead the architecture and implementation of high-performance, reliable core services operating at massive scale. Design synchronous and asynchronous APIs, database schemas, and distributed systems; conduct benchmarking, profiling, monitoring, and optimization; participate in reviews and on-call rotations; resolve production issues; and drive independent experiments and solutions.

Develop and architect physics-based modeling and simulation software for advanced space nuclear systems. Lead software engineering standards, architecture, code reviews, testing, verification and validation, release management, CI/CD, and documentation. Refactor scientific codes, build multiphysics simulation interfaces, ensure reproducibility, and collaborate with NASA and multidisciplinary engineering teams. The role requires C++, Python, engineering software development, numerical methods, high-performance computing, parallel processing, and the ability to validate physics-based models.

Designs and governs enterprise integration architectures supporting interoperability across applications, cloud platforms, APIs, middleware, and digital technologies. Evaluates requirements, develops scalable solutions, establishes technical standards, leads technology evaluations, provides architectural guidance, resolves complex integration issues, collaborates with stakeholders and vendors, creates prototypes and documentation, and mentors technical staff.

The Manager - Engineering oversees equipment lifecycle management, coordinates installation, drafts SOPs, and manages project activities related to equipment onboarding and technology introduction.

Design, build, and operate scalable backend services for payments, cards, spend management, and compliance. Develop production-quality services and APIs, optimize databases, integrate AI and third-party APIs, and implement secure event-driven architectures. Own features from design through deployment and monitoring, contribute to reliability and CI/CD improvements, participate in on-call rotations, and collaborate with globally distributed engineering, product, compliance, and data teams.

Serves as the senior technical expert for Dynamics GP, D365 F&SCM, and related enterprise applications. Designs and maintains ERP customizations, integrations, SQL databases, reports, dashboards, workflows, security, and production support solutions. Troubleshoots business-critical issues, supports financial systems, and partners with business stakeholders and vendors. Contributes to the Dynamics GP-to-D365 F&SCM transition through migration planning, testing, reporting modernization, cutover, security, and post-go-live stabilization.

Designs, implements, maintains, and troubleshoots enterprise network and server infrastructure across more than 20 New York City sites. Responsibilities include LAN, WAN, WLAN, VPN, VoIP, firewall, cloud, Windows Server, virtualization, and security administration; capacity planning; hybrid cloud connectivity; disaster recovery; documentation; change management; and on-site infrastructure support. The role also provides L3 troubleshooting, leads technical initiatives, and participates in 24-hour emergency on-call support.

Design, build, and maintain highly available, performant data systems that record and process billions of market events daily. Drive architecture, support APIs and analytics, automate monitoring/alerting, generate reports, and collaborate with stakeholders to deliver scalable, reliable solutions for FX and UST trading data.

Develops, tests, maintains, and supports complex software applications. Translates business requirements and technical designs into robust working software, troubleshoots issues, participates in code reviews, and contributes to engineering processes. Collaborates with analysts, technical leads, clients, and project teams in Agile environments. The role also involves creating UML and technical documentation, mentoring less experienced staff, managing multiple projects, and supporting front-end and back-end web integration.