Top Senior Linux Jobs in San Diego, CA

Provides technical leadership for asphalt and heavy oil product development, formulation, quality control, production support, customer technical service, and economic optimization. Investigates quality incidents, monitors industry innovations, supports process and product improvements, develops capital projects, and collaborates with internal and external stakeholders on transportation, storage, sales, and technical performance.

Designs, configures, and manages enterprise Cisco and Meraki networking environments, including wireless LAN, routing, switching, security, monitoring, redundancy, and failover. Troubleshoots incidents, automates processes, researches emerging technologies, manages changes through ServiceNow, and collaborates on network upgrades. The role also mentors junior engineers and ensures continuous infrastructure availability across LAN/WAN and wireless systems.

Develop and govern enterprise Microsoft Power Platform, SharePoint Online, Copilot, and Purview solutions for a federal client. Responsibilities include requirements gathering, architecture, application and workflow development, testing, deployment, documentation, administration, governance, code reviews, migrations, and production support. The role also mentors junior developers, interfaces with leadership and users, and may require occasional nights or weekends for migration work.

Supports and improves the quality management system for aerospace materials testing and calibration operations. Responsibilities include in-house and external equipment calibration, accreditation maintenance, QMS implementation, audits, proficiency testing, root cause analysis, corrective actions, and regulatory assessment support. The role collaborates with customers, accreditation bodies, aerospace primes, operational teams, and quality organizations to improve compliance, accuracy, laboratory processes, and quality assurance.

Own end-to-end quality for an AI voice agent across LLM, speech, and telephony layers. Design conversational and adversarial scenarios, build evaluation frameworks for nondeterministic outputs, provision SIP testing environments, diagnose failures across the stack, expand automation, integrate CI/CD release gates, track quality metrics, and maintain traceable test coverage. The role requires Python automation, SIP/VoIP expertise, analytical test design, TMS and Jira experience, and advanced English.

Administer and maintain network and systems infrastructure across multiple warehouse facilities. Manage firewalls, switches, wireless networks, Windows servers, Active Directory, IP addressing, VLANs, security controls, monitoring, backups, and documentation. Troubleshoot Tier 2/3 connectivity issues, support warehouse applications and physical security systems, participate in infrastructure rollouts and facility expansions, and provide on-call incident response. Travel between facilities and perform after-hours maintenance as needed.

Maintain, modernize, secure, and support NIH/NCI scientific and grant-management applications. Responsibilities include software development, debugging, deployment, database and system integration, data migration, reporting automation, production troubleshooting, scripting, vulnerability remediation, and configuration and release management. The role supports IMPAC II, NCI I2E, and IRDB systems, requires compliance with federal security standards, and includes occasional after-hours production support.

Lead mechanical engineering design for federal facility projects from pursuit through construction. Serve as Engineer of Record, develop HVAC systems and construction-ready drawings and specifications, coordinate multidisciplinary teams, mentor junior staff, and manage budgets, schedules, proposals, and staffing plans. Conduct site surveys and collaborate with clients. The role requires federal project experience, U.S. mechanical engineering licensure, and strong communication and relationship-building skills.

Lead customer solution architecture and application engineering for NVIDIA embedded and automotive systems. Collaborate with hardware, firmware, software, sensor validation, and AI teams to define system requirements, integrate SoC solutions, optimize performance, power, thermal, and mechanical characteristics, and support customers from product introduction through mass production. Lead partner enablement and multidisciplinary technical teams while developing architectures, roadmaps, documentation, and validation plans.

Provides mechanical engineering support for pressure systems and fixed equipment across North American facilities. Responsibilities include outage planning and execution, repairs and alterations to coded vessels and piping, engineering calculations, failure investigations, mechanical integrity and management-of-change processes, and coordination with operations, maintenance, metallurgy, and engineering contractors. The role focuses on boilers, tanks, exchangers, steam systems, and SMR HYCO plant equipment, with approximately 35% travel throughout the Gulf Coast.