Top Senior Linux Jobs in San Diego, CA

Own corporate IT platforms, including identity and access, endpoint management, virtualization, storage, networking, SaaS, asset systems, and helpdesk enablement. Lead migrations, automate onboarding and lifecycle processes, maintain compliance and audit evidence, document and monitor infrastructure, direct contractors and Tier 1 support, and deliver scalable remote-site kits. The role is on-site in Cambridge and includes occasional travel, planned maintenance, escalation support, and hands-on work in server and network environments.

Lead mechanical and thermal design for chip-scale atomic clocks from system architecture through production. Develop CAD designs, production drawings, prototypes, thermal and structural models, vacuum or hermetic packaging, magnetic shielding, and precision alignment systems. Conduct shock, vibration, and thermal-cycle testing, manage SWaP-C trade studies, validate models against test data, and drive design-for-manufacturing with suppliers and contract manufacturers.

The Reliability Engineer manages plant electrical safety, medium- and low-voltage distribution systems, arc-flash and short-circuit models, protective relay settings, electrical inspections, shutdowns, troubleshooting, and outage response. The role also supports variable-frequency drives, power monitoring, electrical drawings, area classifications, management of change, radio systems, and capital projects. The position provides technical support and training while collaborating with plant, corporate, operations, maintenance, contractors, and vendors in a chemical manufacturing environment.

Support gear machining equipment launches, process validation, and production ramp-up. Establish capable machining processes and tooling, complete PPAP documentation, apply SPC, resolve production and supplier issues through root cause analysis, and lead Lean improvements. Conduct process audits while supporting safety, ergonomics, quality, and ISO 14001 compliance. The role is fully onsite in the Detroit metro area, requires morning-shift availability and overtime, and requires at least five years of related experience.

Leads software engineering teams, mentors developers, drives technical strategy, and oversees scalable, maintainable software development. Collaborates cross-functionally to define requirements, roadmaps, releases, and project plans. Documents system architecture, reports project status, and promotes engineering best practices, reliability, observability, performance, and continuous improvement. Requires strong experience with C#, SQL, .NET technologies, microservices, APIs, Azure, databases, Agile practices, and technical mentorship.

Leads a 10–20-person Network Engineering team responsible for managed Wi-Fi network configuration, deployment, validation, quality, resource planning, and customer escalations. The role combines people leadership with approximately 20% hands-on network engineering, including design, installation, turn-up, and validation. It also drives process improvements, automation, documentation, training, budgeting, cross-functional collaboration, and delivery performance. Approximately 10% travel is required across the United States, Canada, and Mexico.

Own and administer Salesforce applications in a HIPAA-regulated environment, including Apex, LWC, Flows, integrations, releases, security, data protection, and production troubleshooting. Manage Five9, Twilio, OwnBackup, AWS integrations, vendors, and CI/CD workflows. Partner with Operations and Product, translate business needs into requirements, support campaigns and communications, and use AI coding tools and Salesforce AI features to improve efficiency.

Leads the SAP applications engineering team supporting Retail and Supply Chain platforms. Owns technical approach, engineering standards, team development, vendor performance, release readiness, integrations, data conversion, defect resolution, and post-launch stabilization. Partners with the PMO on estimates, dependencies, technical status, and readiness while managing SAP delivery across merchandising, inventory, replenishment, warehouse management, procurement, fulfillment, and EDI.

Designs, implements, secures, monitors, and evolves enterprise network infrastructure. Manages firewalls, routers, switches, wireless, SD-WAN, IP services, load balancing, and network performance. Develops proactive monitoring, automation, capacity planning, disaster recovery, and business continuity solutions. Advises leadership on network architecture, risk, security, governance, and operational improvements while maintaining service levels and infrastructure reliability.

Provides technical leadership for enterprise and geospatial technology modernization at the U.S. Census Bureau. Designs, implements, and maintains cloud-based IT systems; translates mission requirements into technical solutions; guides architecture, documentation, quality assurance, and engineering practices; and supports Oracle, SQL, ArcGIS Enterprise, and Esri environments. Leads technical assignments, Agile delivery, implementation planning, staffing, resource allocation, and stakeholder communication while ensuring reliable, standards-compliant solutions.