Top Senior Linux Jobs in San Diego, CA

Build core architecture and products for a global payments platform from 0-to-1. Lead and mentor engineers, own full stack and uptime, design ledger data architecture, and integrate banking/on-off ramp providers while balancing speed and scalability.

Design, build, and scale backend systems, APIs, and frontend applications. Collaborate with product, design, and AI teams to ship full features, write well-tested code, mentor junior engineers, and contribute to architecture and technical strategy.

Develop and maintain VistA applications using MUMPS/M to replace SSN-based processes with approved enterprise identifiers. Analyze routines, data structures, workflows, and dependencies; troubleshoot defects; implement secure code; and perform unit, integration, regression, and deployment testing. Collaborate with QA, cybersecurity, product, business, and government stakeholders in an Agile environment while supporting PII/PHI protection, documentation, and production readiness.

Leads enterprise creative technology transformations by architecting AI-native visual production pipelines spanning 3D assets, motion design, generative AI, GPU infrastructure, rendering, and DAM integrations. Oversees creative technologists, establishes production engineering standards, manages hybrid compute architectures, drives agentic and node-graph workflow adoption, and serves as a senior technical liaison among executive marketing, IT, creative leaders, clients, and artists.

Lead the architectural vision for cloud-based platform solutions, including scalable AWS infrastructure, integration flows, APIs, IAM governance, networking, observability, and CI/CD pipelines. Design secure, highly available platforms connecting RPA processes, enterprise applications, internal services, and downstream systems. Provide technical leadership, stakeholder management, architecture documentation, mentoring, and engineering best practices while supporting enterprise DevOps, platform engineering, and integration initiatives.

Administer and support IBM z/OS environments, including installations, upgrades, maintenance, lifecycle management, and complex troubleshooting. Use SMP/E for software maintenance, PTFs, APARs, and HOLDDATA processing. Develop REXX automation and administer z/OSMF services and workflows. Monitor performance, availability, capacity, and system health; support upgrades, migrations, disaster recovery testing, production operations, and on-call activities. Collaborate across infrastructure teams, maintain technical documentation, and mentor other mainframe administrators.

Supports DoD facility and infrastructure projects involving electro-mechanical systems, facility controls, electrical and mechanical equipment, and related infrastructure. Responsibilities include planning, design review, construction surveillance, installation, testing, commissioning, documentation, cost estimation, scheduling, stakeholder coordination, and technical guidance. The engineer supports MILCON, SRM, site activation, and facility improvement programs for the Missile Defense Agency at Redstone Arsenal.

Build end-to-end product features for a construction intelligence platform: implement high-performance React front-ends, Python/Postgres backends, work on document intelligence, search, change detection and large-scale data processing, ship with customers, and collaborate with founders.

Lead backend development to scale and harden API infrastructures, implement unit testing playbooks, optimize core algorithms, support migration from Supabase to a robust cloud provider, ensure system reliability and scalability, collaborate with frontend and DevOps, and integrate AI workflows and RPA where applicable.

Lead quality engineering for new product and material introductions in a high-volume solar panel manufacturing facility. Responsibilities include quality planning, QFD, CTQ identification, PFMEA analysis, action plans, maturity matrices, release criteria, milestone reviews, pilot runs, ramp-up support, quality metrics, cross-functional collaboration, and continuous improvement. The role focuses on improving product quality, production yield, customer satisfaction, and manufacturing efficiency.