Top Linux Jobs in San Diego, CA

Provides process controls engineering support for hydrogen and carbon monoxide production facilities. Supports DCS, SIS, PLC, instrumentation, control logic, HMI, lifecycle planning, system upgrades, obsolescence management, reliability improvements, root cause analysis, and capital projects. Collaborates with plant operations, engineering, technicians, vendors, and regional engineers to improve safety, operability, cybersecurity, and cost efficiency.

Maintain and modernize high-throughput, real-time payment processing systems in a large C/C++ codebase. Migrate platforms, implement secure payment integrations, decompose monoliths into gRPC services, optimize latency, ensure PCI-DSS compliance, perform testing and fuzzing, debug production incidents, and participate in on-call rotations.

Provides network engineering, administration, security, configuration, troubleshooting, and compliance support for classified and unclassified PMRF networks. Maintains routers, switches, firewalls, network management platforms, and documentation; performs STIG, vulnerability, IAVM, audit, and POA&M activities. Develops implementation plans, supports junior staff, prepares technical reports, and coordinates with customers. Requires field work, confined-space maintenance, lifting up to 50 pounds, and periodic at-sea support.

Administer enterprise Linux infrastructure across classified and unclassified Navy networks. Responsibilities include RHEL administration, RMF and DISA STIG compliance, patching, hardening, vulnerability remediation, automation, virtualization, backup and disaster recovery, incident response, documentation, audit readiness, and mentorship. The role also supports ATO packages, configuration management, change control, and secure infrastructure improvements in a DoD environment.

Administer and troubleshoot Windows Server environments across classified and unclassified Navy networks. Manage Active Directory, DNS, DHCP, GPOs, patching, virtualization, backups, disaster recovery, and vulnerability remediation. Apply RMF, NIST, and DISA STIG controls; support ATO and POAM documentation; automate tasks with PowerShell; and assist cybersecurity and incident response efforts. Serve as an escalation point for junior staff and support technical changes, site visits, and periodic at-sea operations.

Manages the Plant Systems Engineering team supporting LNG plant design, equipment offerings, project bids, execution, and aftermarket controls services. Responsibilities include staffing, workload forecasting, skills management, professional development, technical execution, process safety reviews, HAZOPs, quality controls, risk management, supplier support, technical standards, and execution planning across controls, instrumentation and electrical, and process systems disciplines. The role is based in Allentown, Pennsylvania, with an initial 90-day onsite requirement and occasional domestic and international travel.

Leads multidisciplinary flight sciences engineering teams covering GNC, CFD, flight simulation, and aerodynamic performance. Provides technical oversight, mission-readiness reviews, architecture ownership, mentorship, staffing, and career development. Oversees HIL verification and validation, embedded flight-control software deployment, wind-tunnel campaigns, flight testing, and readiness reviews. Requires extensive aerospace vehicle development experience, leadership background, advanced aerodynamics and flight-controls expertise, and proficiency with MATLAB/Simulink, CFD tools, and C/C++.

Lead statistical programming efforts, mentor a team, manage vendor selection, ensure compliance with industry standards, and oversee project resources.

Designs and conducts mechanical and environmental tests, operates specialized test equipment, performs instrumentation and data acquisition, analyzes results, and prepares technical reports. The role supports vibration, shock, modal analysis, structural, thermal, fluidic, and diagnostic testing. Responsibilities also include engineering calculations, safety documentation, design reviews, project planning, and collaboration with internal and external organizations. Higher-level assignments provide technical oversight, strategy, project leadership, and committee participation.

Conduct mechanical and environmental testing, including vibration, shock, modal analysis, load testing, instrumentation, and data acquisition. Operate specialized test equipment, analyze results using MATLAB, prepare engineering and safety documentation, perform structural and thermal calculations, and support design, fabrication, assembly, and engineering reviews. Higher-level assignments independently define requirements and manage project plans, schedules, budgets, and technical activities.

Supports experimental system integration, instrumentation, controls, and process development for advanced manufacturing and research systems. Configures and troubleshoots sensors, data-acquisition systems, communication interfaces, and process controls. Creates schematics, wiring diagrams, and operating procedures; conducts validation testing, analyzes experimental data, and implements hardware improvements. Collaborates with scientists, engineers, and technicians in multidisciplinary research teams.

Lead development and maintenance of web-stack and middleware software, build backend capabilities, develop features, integrate data sources, and support scalable solutions. The role includes API development, cloudification, containerization, code management, technology evaluation, solution reviews, and mentoring junior engineers. Work is conducted onsite in Arlington, Virginia, supporting research initiatives and transitions to government and industry users.

Develop and test modern front-end features for a global-scale networking situational awareness and command-and-control platform. Collaborate with users, designers, program managers, and testers to create responsive, modular, event-driven interfaces. Design solutions from broad requirements, handle edge cases, participate in code reviews, prototype technologies, and deliver dependable, reusable software. Some back-end development using gRPC may be involved.

Assist with writing, testing, debugging, and documenting low-level software for embedded systems and national security applications. Support reverse engineering, vulnerability research, system behavior analysis, code reviews, and collaborative technical problem-solving under senior-engineer mentorship. Continuously develop skills in programming languages, embedded platforms, software security, and complex system analysis.

Architect and optimize distributed encoding and decoding pipelines across CPU and GPU platforms. Develop high-throughput, resource-efficient data processing systems, applying systems programming, parallel computing, concurrency, memory management, and hardware optimization. Collaborate with software and bioinformatics teams to integrate these pipelines into AtlasBase’s molecular computing and data storage ecosystem.

Leads product engineering for consumer voice-agent products, driving outcomes, architecture, reliability, security, performance, deployment, and production operations. Remains hands-on with prototyping, debugging, and quality improvements while developing engineers and hiring a strong team. Partners with product and design, sets technical direction, and maintains a high product-quality bar. Requires extensive software engineering and people-management experience, including scalable distributed systems serving millions of users.