Top Entry Level Linux Jobs in San Diego, CA

Performs on-site and in-house calibration, maintenance, qualification, validation, and repair of laboratory and customer equipment. Conducts environmental mapping, develops calibration methods and SOPs, troubleshoots instruments, maintains calibration standards, trains personnel, and supports customers in ISO 9001, ISO 17025, and cGMP environments. The role requires strong technical, mathematical, communication, documentation, and customer-service skills, along with up to 30% travel.

Administers IBM MQ environments, including cluster configuration, MFT, maintenance, patching, performance tuning, upgrades, monitoring, and security. Automates provisioning and health checks with PowerShell and Linux shell scripts. Troubleshoots message flows, connections, delivery delays, and MQRC errors in distributed environments while supporting application teams, change control, documentation, and upgrade planning.

Develops and supports pre-silicon RTL verification for DRAM controller IP using SystemVerilog, UVM, testbenches, functional coverage, regression testing, scripting, and debug. Responsibilities include creating test sequences, monitoring and triaging regressions, correcting verification environments and RTL issues, and supporting controller technologies such as DDR, LPDDR, HBM, and GDDR. The role is intended for a junior engineer or recent college graduate.

Develop and integrate end-to-end flight software for autonomous spacecraft, including mission operations tools, telemetry and command services, embedded vehicle software, and visualization systems. Collaborate with avionics, GNC, propulsion, and systems teams on interfaces and data models. Contribute to CI/CD, simulation, software-in-the-loop, hardware-in-the-loop, environmental testing, and flight-readiness activities.

Performs automation-first quality assurance across web applications, APIs, data pipelines, and AI-powered features. Responsibilities include writing automated tests, evaluating AI outputs, testing security controls, triaging Azure DevOps pipeline failures, documenting bugs, conducting smoke and regression testing, and improving test frameworks and quality tooling within an agile sprint team.

Build and deploy customer-facing software for enterprise pricing and approval workflows. You will embed with customers, lead technical discovery, deliver and maintain production solutions, convert custom integrations into core product features, and deploy AI agents using real customer data. The role requires strong engineering fundamentals, curiosity, ownership, comfort with ambiguity, clear communication, occasional customer travel, and in-person work in San Francisco.

Develop and prototype sensors, mechanisms, actuators, electronics, firmware, and electromechanical systems for autonomous underwater robots. Take concepts through CAD design, fabrication, assembly, bring-up, experimentation, and proof-of-concept testing. Build and debug prototype PCBs, wiring, embedded systems, and communication interfaces, then document results and hand successful concepts to engineering owners for production development.

Designs and supports colocation solutions for customer installations, including cabinets, cages, power, cooling, communications, and supporting infrastructure. Responsibilities include technical sales support, RFP responses, preliminary designs, capacity coordination, equipment selection, AutoCAD layouts, scope-of-work packages, and maintaining as-built drawings. The role requires datacenter design expertise, construction-document knowledge, customer communication, deadline management, and up to 25% regional travel.

Supports high-performance data center networking infrastructure through documentation, monitoring, maintenance, troubleshooting, incident investigation, root cause analysis, upgrades, testing, and operational improvements. Works with engineers to deploy and scale networks supporting AI workloads while developing expertise in BGP, ECMP, VXLAN, Spine-Leaf, MCLAG, and RoCEv2. Requires onsite work, up to 20% travel, active TS/SCI with CI Polygraph, and current IAM Level II certification.

Manages software engineering teams and cross-functional technical work, including goal setting, project planning, system design, vendor management, risk and compliance, audit requirements, reporting, application stability, budgeting, and staff development. Advises on system enhancements, coordinates with business partners and vendors, supports automation initiatives, and ensures timely delivery of technically complex projects and services.