Top Senior Linux Jobs in San Diego, CA

Supports and enhances Genworth’s COBOL-based mainframe long-term care policy administration system. Responsibilities include monitoring system health, resolving incidents and job abends, analyzing business issues, designing and testing code changes, producing regulatory reports, supporting releases, and collaborating with developers, analysts, QA, business partners, and IT teams. The role also provides technical guidance, participates in Agile ceremonies, and supports production operations and continuous improvement.

The Completion Engineer designs and optimizes well completion and drill-out programs for oil and gas operations. Responsibilities include engineering analysis, operational modeling, troubleshooting field issues, developing procedures, managing completion costs and vendors, ensuring regulatory and safety compliance, and driving continuous improvement. The role collaborates with drilling, production, reservoir engineering, subsurface, and field teams to improve well performance, efficiency, reliability, and economic returns.

Owns complex board-level RF circuit and antenna designs from architecture and simulation through debugging, regulatory compliance, and factory bring-up. Designs transmitters, receivers, antennas, power supplies, and supporting circuits across 800 MHz–8 GHz. Responsibilities include prototyping, component selection, lab testing, EMI/EMC troubleshooting, root-cause analysis, product integration, and collaboration with manufacturing partners. The role also contributes to product requirements, technology roadmaps, and RF innovation patents.

Leads enterprise GitOps architecture, automated CI/CD release strategies, policy-as-code guardrails, and migration from legacy configuration-management tools. Designs software media generation and secure distribution for air-gapped environments, including container packaging, ISO creation, cryptographic signing, checksum verification, SBOM generation, and custody procedures. Requires extensive IT, systems integration, ISR/IO, DevOps, software lifecycle, documentation, and Navy configuration-management experience, plus an active Secret clearance.

Designs, deploys, and operates high-performance InfiniBand and RoCE networking fabrics for GPU clusters, customer connectivity, and multi-site WAN infrastructure. Manages routing, switching, BGP peering, VLAN/VRF/VPC architectures, automation, monitoring, troubleshooting, documentation, capacity planning, and security audits. Requires deep data center or service provider networking expertise, advanced routing knowledge, and hands-on experience with Arista, NVIDIA, or Cisco platforms.

Quality Engineer supporting precision manufacturing through real-time production quality decisions, inspections, process control, audits, NCR investigations, FAI documentation, gauge management, corrective actions, and compliance with ISO 9001, AS9100, and NADCAP. The role requires shop-floor collaboration with operators, inspectors, customers, and operations leaders to resolve issues and drive continuous improvement.

Leads administration, architecture, automation, security, monitoring, patching, and operational support for on-premises Linux servers and VDI infrastructure. Supports EDA compute environments and IBM LSF scheduling, manages hardware, storage, networking, virtualization, and databases, and resolves complex incidents. Develops Ansible automation, performs root cause analysis, coordinates upgrades and vendors, maintains documentation, and participates in on-call support.

Administer enterprise database environments supporting high availability, replication, disaster recovery, security, performance, retention, and hybrid-cloud operations. Lead SQL Server infrastructure while supporting Oracle, MySQL, PostgreSQL, and NoSQL platforms. Design zero-downtime upgrades, migrations, failover testing, and modernization roadmaps. Develop automation using Terraform, Ansible, scripting, and CI/CD pipelines; establish operational standards; lead outage response; and mentor distributed operations teams.

Lead the enterprise architecture and deployment strategy for multi-site Ignition SCADA environments. Design standards for gateways, redundancy, integrations, networking, security, protocols, historians, databases, alarming, and visualization. Assess plant environments, guide site deployments, resolve complex technical issues, establish commissioning and validation practices, document reference architectures, automate repeatable deployments, mentor engineers, and develop the long-term SCADA/OT roadmap.

Lead the architecture, design, prototyping, analysis, integration, testing, and productionization of high-voltage power distribution and conversion systems for high-power microwave phased arrays. Develop power budgets, technical requirements, safety standards, system studies, and architecture trade studies. Coordinate with suppliers, perform hands-on wiring and debugging, support product lifecycle activities, and mentor junior engineers.