Top Senior Linux Jobs in San Diego, CA

Design and implement real-time C++ firmware for microcontrollers and embedded systems. Build prototype firmware, support hardware integration and field-deployed products, participate in design reviews, define requirements, and follow disciplined development practices. The role requires shipped commercial or industrial hardware, Linux development, build-system configuration, CI tooling, and coordination of complex software functions. Despite the introductory DevOps wording, the primary responsibilities are embedded firmware engineering.

Develop and support SAP enterprise applications using ABAP, ABAP Objects, CDS views, OData, enhancements, interfaces, debugging, and S/4HANA development. Gather requirements, configure and integrate solutions, coordinate data and security dependencies, execute testing, support deployments, resolve issues, document processes, and collaborate with business users, technical teams, and external partners.

Leads design, development, implementation, modernization, and support of enterprise workflow and decision-management solutions using IBM BAW/BPM and ODM. Designs workflow components, integrations, and reusable frameworks; performs coding, testing, troubleshooting, performance optimization, and root cause analysis. Provides technical leadership through architecture and code reviews, requirements gathering, estimation, mentoring, standards development, and collaboration across Agile/Scrum teams. Supports deployments across development, QA, UAT, and production, including periodic on-call support.

Leads application development and systems analysis activities, coordinating with technology and management teams to deliver system enhancements and process improvements. Responsibilities include resolving complex application and business-process issues, advising on architecture and coding standards, defining testing and implementation practices, analyzing risks, and coaching developers and analysts. The role requires advanced programming expertise, project leadership, and collaboration across infrastructure and architecture functions.

Supports pharmaceutical and life sciences capital projects from scope development through design, implementation, commissioning, qualification, and optimization. Develops engineering documentation, specifications, test plans, PFDs, P&IDs, and progress reports within cGMP-controlled systems. Collaborates with design, construction, CQV, startup, clients, contractors, and suppliers. Applies engineering principles to regulated manufacturing systems, clean utilities, process equipment, and facility improvements while managing validation, change control, communication, and project risks.

Leads Continuous Improvement Engineering teams supporting motor control center and capacitor product lines. Oversees design standards, engineering change orders, automation systems, technical projects, quality issue resolution, and cross-functional collaboration with manufacturing, quality, application engineering, and new product development teams. Manages engineering resources, design programs, continuous improvement initiatives, and compliance with ISO, ANSI, UL, NEMA, ASME, and GD&T standards.

Leads a team responsible for the operations, development, integration, and support of payment technology systems, including SWIFT, wire, ACH, Instant Payments, and Zelle. Oversees production support, incident management, vendor relationships, API integrations, project delivery, compliance, and process improvements. Partners with business and technology stakeholders to align payment initiatives with organizational goals while coaching engineers and analysts.

Design, build, test, and optimize custom optical systems for quantum computers, including lens assemblies, laser delivery, imaging, and fiber collimation systems. Responsibilities include ray tracing, aberration correction, athermalization, chromatic analysis, tolerance and stray-light analysis, alignment procedures, optical fabrication drawings, and vendor collaboration. The role also oversees manufacturability and procurement of custom optical components.

Design, develop, maintain, and troubleshoot backend systems supporting healthcare financial operations, including billing, claims, payment processing, reconciliation, and reporting. Build scalable services with .NET, C#, Python, and SQL; integrate APIs and cloud infrastructure; optimize databases; support CI/CD deployments; ensure HIPAA compliance; lead technical reviews and planning; mentor junior engineers; and document architecture and workflows.

Lead SCADA controls and automation projects for municipal and industrial water and wastewater clients. Responsibilities include system architecture, PLC logic, HMI design, industrial networking, instrumentation configuration, commissioning, startup, QA/QC, contractor oversight, client training, technical documentation, automated reporting, and mentoring junior staff. The role requires extensive regional travel and client interaction throughout project lifecycles.