Top Linux Jobs in San Diego, CA

Build, maintain, and test high-performance blockchain components for Injective’s Cosmos-SDK protocol, including orderbook, trade execution, order matching, and Layer-2 systems. Develop open-source Go clients and REST/WebSocket APIs for exchange users and programmatic traders. Candidates need strong Go experience, blockchain knowledge, computer science fundamentals, and familiarity with Geth or Erigon. Cosmos-SDK, Tendermint, Ethereum, Solidity, Layer-2, and financial markets experience are preferred.

Supports fabrication operations from quotation through production and delivery. Responsibilities include completing takeoffs and quotes, creating and reconciling manufacturing bills of materials, forecasting, ordering materials, obtaining supplier quotes, preparing documentation, managing quality control, reporting costs, maintaining equipment, and developing operational procedures and training. The role requires collaboration across sites and oversight of fabrication processes.

Develops, tests, deploys, maintains, and improves .NET web applications for a federal government client. Translates user stories into software, designs application components and data models, develops vendor interfaces, performs code reviews, monitors system metrics, and creates technical and user documentation. The role participates in Agile processes, supports reporting requests, maintains existing systems, and contributes to software delivery and continuous improvement. Candidates need at least two years of .NET development experience and must be able to obtain Public Trust clearance.

Lead quality engineering for native iOS and Android banking applications, APIs, and integrated services. Responsibilities include designing risk-based tests, maintaining mobile automation frameworks, integrating automated testing into CI/CD, managing defects, assessing release readiness, supporting production verification and incident investigations, and coaching engineers. The role also involves maintaining test environments and data, improving quality practices, and applying modern AI coding and engineering concepts within an Agile financial-services team.

Manage, maintain, monitor, and troubleshoot PFFCU’s branch and office network infrastructure, including Cisco routers, switches, and SD-WAN. Responsibilities include device configuration, network security compliance, vendor coordination, documentation, lifecycle management, project execution, unified communications support, and after-hours on-call coverage. The role requires diagnosing complex network issues, optimizing performance, supporting deployments, and traveling between locations for projects and maintenance.

Maintains, troubleshoots, modifies, and improves automated manufacturing systems. The role supports PLC and HMI programming, electrical and electronic equipment, industrial networks, machine safety, and plant reliability. Responsibilities include training electricians, communicating repair actions, supporting continuous improvement, collaborating with vendors and internal teams, managing projects, and assisting with new control system and automation implementation.

Leads mission-critical IT infrastructure supporting the Advanced Photon Source, including HPC, networking, Linux and Windows platforms, cybersecurity, scientific data workflows, and enterprise services. Oversees IT strategy, budgets, staffing, business continuity, vendor relationships, infrastructure security, external connections, and technology adoption. Partners with scientific, engineering, operations, and information systems organizations while developing staff and ensuring reliable, cost-effective systems supporting AI-enabled science, digital twins, accelerator operations, and beamline research.

Leads software engineering teams and managers, oversees scalable system architecture and delivery, defines technical roadmaps with executives and product leaders, and drives cloud-native development, DevOps, security, reliability, and performance. The role also supports AI/ML integration, data engineering, distributed systems, team scaling, and cross-functional alignment with business objectives.

Administer, configure, deploy, sustain, and troubleshoot Air Operations Center systems and networks. Manage Windows and Linux environments, Active Directory, virtualization, enterprise services, LAN/WAN/SAN infrastructure, routing, switching, firewalls, storage, patches, security controls, tickets, migrations, upgrades, and validation activities. Support fielding, configuration management, technical reviews, and mission-critical Air Force operations while maintaining required documentation and system readiness.

Manage and operate the university's central research computing infrastructure including supercomputing clusters, scalable storage, and research software. Install, configure, and tune hardware, storage, networking, job schedulers (SLURM), containers, and research applications; diagnose/resolving issues; advise and assist faculty and researchers; support secure enclave and Google Cloud; and contribute to grant proposals and technical documentation.