Top Senior Linux Jobs in San Diego, CA

As a Principal Firmware Engineer, you will design and develop firmware for electronic devices, lead projects, mentor junior engineers, and ensure integration with hardware components.

Design, build, test, and maintain high-volume, low-latency backend applications. Lead software development across the full lifecycle, analyze requirements, create technical designs and documentation, resolve technical issues, propose infrastructure improvements, and support architectural reviews. Collaborate with cross-functional teams to align technical solutions with business objectives while applying modern development practices and cloud technologies.

Build and operate AoPS’s platform infrastructure, including observability, Kubernetes, AWS systems, CI/CD pipelines, and internal developer tooling. Define SLOs with product teams, lead incident response, improve reliability and security, conduct postmortems, and establish engineering standards. Mentor engineers and explore AI applications for infrastructure and developer productivity.

Leads Level 3 desktop support, administration, and engineering for Windows systems and end-user applications. Responsibilities include MECM and Intune deployment, patching, application packaging, OS imaging, Microsoft 365 administration, Entra ID and identity management, PowerShell automation, Azure Virtual Desktop support, device compliance, troubleshooting, and documentation. The role also contributes to desktop infrastructure design, image development, QA testing, and strategic improvements while working directly with end users and cross-functional teams.

Designs, implements, and maintains large enterprise network infrastructure supporting mission-critical computer-aided dispatch and emergency communications. Manages Cisco Catalyst and Nexus environments, Palo Alto firewalls, routing protocols, VPNs, network resiliency, monitoring, disaster recovery, and high-availability architecture. Coordinates copper and fiber installations, troubleshoots network issues, supports public safety operations, and supervises a small technical team. The role is fully onsite in Phoenix and requires local residency and in-person interviewing.

Designs, deploys, configures, and maintains managed data-services solutions across complex multi-site networks. Translates customer requirements into Layer 2 and Layer 3 technical specifications, develops automation scripts, designs IP addressing schemes, and troubleshoots service-impacting issues. The role supports technologies including BGP, VPLS, VPRN, DIA/IES, Meraki, VeloCloud, Fortinet, and Adtran. Responsibilities include solution design, configuration documentation, customer and vendor collaboration, root-cause analysis, and rotating on-call support.

Develop, enhance, test, and maintain JD Edwards EnterpriseOne and related enterprise applications. Collaborate with business stakeholders and technical teams to analyze requirements, troubleshoot issues, develop integrations, maintain data integrity, and improve business processes. The role provides programming support for external software customizations, ensures application stability, and recommends system improvements. It requires strong Microsoft data technology skills, ERP experience, analytical problem-solving, and effective communication.

Leads and prioritizes an EDI development team while remaining hands-on with data integration architecture, mapping, testing, debugging, implementation, and troubleshooting. Owns client timelines, Jira processes, CDM and extract architecture, coding standards, Mirth Connect upgrades, reporting, partner communications, and operational data support. Mentors team members, coordinates Agile Scrum activities, ensures healthcare data privacy compliance, and delivers scalable, high-availability integration solutions.

Leads software engineering teams responsible for modernizing and delivering enterprise technology systems. Oversees technical team leads, architecture, system design, code quality, testing, CI/CD, resource planning, project delivery, integrations, security controls, and legacy platform migration. Partners with Product Management, Business Analysts, QA, IT, and external vendors to execute technology initiatives. Coaches employees, manages performance, resolves significant technical issues, and reports progress and risks to the CTO.

Designs tooling for aluminum forging operations and supports product development from quotation through production. Creates 3D forging models and 2D drawings, validates designs with FEA simulation software, supports manufacturing and quality engineering functions, and solves process issues on the shop floor. The role requires collaboration across departments, adherence to customer deadlines, and data-driven problem solving. Access to ITAR/EAR-controlled information may require qualifying U.S. citizenship or immigration status.