Top Senior Linux Jobs in San Diego, CA

Leads the architecture and execution of enterprise QA automation, building scalable frameworks, CI/CD integration, testing standards, quality metrics, and automation roadmaps. Manages and develops QA automation engineers, partners with engineering, product, and DevOps teams, drives shift-left testing, analyzes production defects, and provides release quality recommendations. The role establishes automation practices from the ground up across API, UI, functional, integration, performance, and regression testing.

Lead the technology strategy and modernization of the credit card Payments domain. Own payment intent, processing, reconciliation, and posting architecture while improving resiliency, orchestration, observability, and vendor independence. Establish APIs, events, domain boundaries, and executable roadmaps; lead distributed engineering teams; develop technical talent; and partner with Product, Business, Operations, Risk, Security, Architecture, and vendors to deliver secure, reliable payment capabilities.

Designs, develops, maintains, and supports custom Claris FileMaker applications across desktop, web, and mobile environments. Responsibilities include API integrations, FileMaker Server administration, troubleshooting, data migration, documentation, testing, deployment, and application lifecycle management. The role also manages project scope, estimates, timelines, stakeholder requirements, budgets, and client communication while ensuring secure, reliable, and scalable solutions.

Leads a team developing and operating foundational cloud platform services for Lambda’s multi-region GPU infrastructure. Responsibilities include Kubernetes platform evolution, distributed systems architecture, reliability, observability, automation, incident response, technical roadmap ownership, project delivery, hiring, and team development. The role partners across compute, networking, storage, security, and customer-facing teams to deliver resilient cloud products.

The Senior IT Systems Engineer automates IT operations through infrastructure as code, service configuration management, monitoring, and workflow automation. Responsibilities include Terraform-driven GitHub administration, ITSM-based automation prioritization, security control implementation, system hardening, desktop support, troubleshooting, and documentation. The role requires strong Terraform, FleetDM, macOS, Linux, identity management, and scripting experience, with collaboration across security and IT teams.

Lead development and implementation of motion-control standards and systems for synchrotron beamlines and accelerator upgrades. Develop device drivers, graphical interfaces, software tools, and services; collaborate with scientific and engineering teams to troubleshoot technical issues; apply software and hardware engineering practices; and mentor junior staff. The role requires extensive motion-control experience, programming in C, C++, or Python, Linux development, and open-source software practices.

Build and maintain highly scalable, reliable backend applications and distributed systems. Responsibilities include software design, coding, testing, deployment, monitoring, observability, peer code review, technology evaluation, technical debt prioritization, and cross-functional collaboration. The role emphasizes fault tolerance, high availability, performance, security, scalability, customer experience, and ownership of application dependencies and operations.

Technical lead for the Thomas Salesforce org, owning platform architecture, integrations, CPQ, contracts, code quality, CI/CD, incident resolution, and SOX controls. The role writes and reviews Apex, LWC, and Flow, guides technical direction, leads agile ceremonies, mentors developers and admins, manages delivery standards for contractors, and partners with Sales, Finance, Marketing, IT, and Operations to maintain a reliable Salesforce platform.

Designs, implements, configures, maintains, and troubleshoots enterprise network infrastructure across multiple sites. Manages Cisco routing, switching, wireless, VoIP, Palo Alto firewalls, VPNs, security appliances, DNS, DHCP, and related systems. Leads complex network implementations, supports hardware and software upgrades, maintains security standards, documents technical work, collaborates with IT teams and service providers, and contributes to long-term network planning and project delivery.

Designs and develops secure, scalable integrations between Salesforce, MuleSoft, legacy government systems, databases, ERPs, and constituent portals. Builds APIs, data pipelines, Apex utilities, triggers, and Lightning Web Components while supporting Public Sector Solutions workflows. Modernizes legacy systems through API-led approaches and enforces FedRAMP, NIST, and PII/PHI safeguards. Collaborates with architects, project leads, and federal stakeholders in Agile delivery teams.