Top Senior Linux Jobs in San Diego, CA

Build and operate reliable backend integrations between AI agents and CRM platforms. Design event pipelines, asynchronous processing, APIs, synchronization, retries, reconciliation, and recovery systems. Ensure data integrity, secure authentication, correct multi-tenant routing, and dependable CRM actions such as customer lookup and appointment booking. Own production reliability through observability, testing, alerts, and operational tooling. Staff engineers additionally guide architecture and establish platform-wide engineering patterns.

Lead PCB Design Engineer responsible for owning multilayer PCB layout from concept through production release. Designs boards for battery management systems, DC-DC converters, and high-current power distribution while optimizing thermal performance, impedance, and EMI/EMC compliance. Defines stack-ups, maintains Altium libraries and design rules, collaborates with fabrication and assembly partners, and supports hardware bring-up and debugging. Requires 5+ years of PCB layout experience and strong Altium expertise.

Leads the architecture, development, testing, release, and support of production iOS or Android applications. Integrates mobile apps with APIs, cloud services, databases, Bluetooth/BLE devices, and third-party services. Provides technical direction, conducts code reviews, mentors developers, manages complex features, troubleshoots production issues, and promotes development best practices. Collaborates with product, engineering, design, marketing, ecommerce, and IT teams while ensuring performance, security, accessibility, reliability, and maintainability.

Own mechanical and piping CAD production for water, wastewater, and industrial infrastructure projects. Translate P&IDs, field information, equipment data, and engineering direction into coordinated plans, sections, layouts, isometrics, details, schedules, and construction documents. Coordinate with multidisciplinary teams, incorporate vendor and field information, perform quality checks, resolve routine drafting issues, support RFIs and submittals, maintain CAD standards, and mentor less-experienced designers.

Develop low-level embedded software in C and C++ for tactical systems across varied architectures and POSIX operating systems. Debug cyber-physical systems by integrating software and hardware expertise, support laboratory and field testing, and collaborate across disciplines to create resilient national-security capabilities. The role is full-time onsite in Arlington, Virginia, with limited travel for test and exercise events.

Design and implement synthesizable RTL for high-speed SerDes PHY DSP blocks, including equalization and clock-data recovery functions. Define microarchitecture, translate DSP algorithms into RTL, optimize for power, performance, area, and latency, and verify designs. Support ASIC implementation, timing closure, CDC/RDC, DFT integration, silicon bring-up, PHY integration, and system-level debugging.

Build HPOS, a greenfield, multi-tenant property management platform. Own the full stack from PostgreSQL data models and TypeScript APIs through React applications, event-driven workflows, Azure infrastructure, CI/CD, observability, and warehouse integrations. Establish architecture, security, testing, deployment, and development patterns for future services. Collaborate with data teams on change data capture and read models while delivering production-ready software at a rapid zero-to-one cadence.

Designs, implements, and manages global network and infrastructure systems across hybrid on-premises and Azure environments. Responsibilities include network architecture, Cisco networking, firewalls, VPNs, servers, endpoint technologies, security controls, compliance, incident response, disaster recovery, and Tier 3 technical support. The role leads infrastructure lifecycle management, cloud migration, network security, vendor coordination, and technical mentoring while collaborating with manufacturing, application, infrastructure, and support teams.

Own and support HR Green’s Workday integration portfolio, including transitioning integrations in-house, building and maintaining Workday Studio and packaged integrations, troubleshooting production issues, and managing regression testing. Develop secure APIs, monitoring, error handling, and documentation for payroll-sensitive systems. Also maintain and build AI agents and automations, establish testing and lifecycle standards, and collaborate with business stakeholders and external specialists.

Lead a DevOps infrastructure automation project migrating configurations from Chef to Ansible. Develop and maintain Ansible automation using Python, with potential use of AI coding tools. Chef experience and prior Chef-to-Ansible migration experience are preferred.