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tcp-udp jobs in San Diego

$234,000 – $292,000 · Posted 15 days ago

Cloudflare seeks a Senior Customer Engineer to serve major accounts in the Southwest, acting as a trusted technical advisor on enterprise network and security architectures. The role combines deep consultative skills with hands-on technical expertise across Internet fundamentals, security, performance, and developer platforms—translating complex technical concepts into business outcomes for both engineering teams and C-suite executives.… The engineer will demonstrate architectural breadth in at least four domains (OSI layers, BGP, WAF, Zero Trust, caching, AI/LLM workflows, scripting, or cloud-native development) and drive customer adoption through technical enablement, custom integrations, and solutions design. This is a quota-carrying, revenue-aligned customer-facing role requiring exceptional communication, SaaS business acumen, and the ability to navigate full-lifecycle enterprise sales cycles.

San DiegoLast seen 13 days ago
$100,000 – $130,000 · Posted 1 month ago

Design and develop next-generation encryption testing tools for the U.S. Navy's NSA High Assurance IP Encryptor (HAIPE) family of secure IP networking devices.… Responsibilities include architecture design, coding reviews, and documentation. Requires 3+ years of Python programming, deep expertise in Linux systems, network software engineering, and protocol-level development including TCP/UDP/TLS, IPsec, and routing protocols at layers 2–4.

San DiegoLast seen 1 month ago
$115,000 – $200,000 · Posted 1 month ago

Design, implement, and integrate embedded Linux software for unmanned aircraft systems (UAS) radio platforms, including headless applications, servers, and device drivers. You'll perform feasibility studies and performance analysis of software-defined radio components, interface with Linux services and protocols, configure board support packages, and collaborate with hardware teams to validate designs on physical radio and UAS platforms.… Requires 4+ years of embedded Linux integration and embedded software development experience, expert proficiency in C/C++ and Python, and hands-on experience with Yocto Project, command-and-control links, flight controller integration, and common lab test equipment.

San DiegoLast seen 21 days ago
$116,480 – $208,505 · Posted 1 month ago

Senior Software/Firmware Systems Engineer and Architect at General Atomics responsible for architecting real-time embedded and mission-critical firmware systems, leading complex engineering projects through design reviews and integration testing. The role requires 7+ years of experience (with PhD) architecting software/firmware for microcontroller and FPGA-based systems, with deep knowledge of communication protocols, formal verification/validation, and cross-functional collaboration.… Responsibilities include systems engineering artifact management, anomaly root-cause analysis, customer interface, technical documentation, and program lifecycle coordination in a TS/SCI environment.

San DiegoLast seen 1 month ago
$97,000 – $180,000 · Posted 1 month ago

Specialist, Software Engineering role at L3Harris focused on designing, implementing, and integrating software components across embedded, application, and cloud environments for space and airborne defense systems. The engineer will work across the full software development lifecycle—from requirements analysis and architecture through deployment and sustainment—using C++ for low-level embedded work, troubleshooting deployed operational systems, and collaborating with cross-functional teams on hardware/software interfaces.… Day-to-day responsibilities include developing software solutions using multiple programming languages and operating systems, conducting code reviews, maintaining technical documentation, and supporting mission-critical systems in the defense and aerospace sectors.

San DiegoLast seen 1 month ago
Posted 1 month ago

Design and own network security across Saronic's enterprise, on-premises, cloud, and maritime vessel communications infrastructure. Responsibilities include managing firewalls, segmentation, VPN/ZTNA, and wireless systems (Palo Alto, Cisco, Aruba); securing AWS VPC architecture in commercial and GovCloud; architecting secure vessel communications over cellular, RF, SATCOM, and mesh links with cryptographic key management; and building network observability and automation at scale.… Requires 5+ years of hands-on enterprise network security experience, production firewall and VPN operations, L3-L7 networking fundamentals, and the ability to obtain a U.S. security clearance.

San DiegoLast seen 13 days ago
$140,000 – $185,000 · Posted 2 months ago

Senior Software QA Engineer to own system testing for Firestorm's avionics platform—embedded Linux and RTOS flight computers, board support packages, device drivers, and safety-critical data paths. You will design and execute risk-based test strategies (feature/bring-up, exploratory, regression, acceptance) and build automation across HIL/SIL rigs exercising real buses (CAN/CAN-FD, UART, SPI, I²C, Ethernet) and links (MAVLink, Tactical Data Links) under fault conditions.… You will instrument diagnostics, triage defects, and harden robustness for timing, jitter, packet loss, brownouts, and recovery paths before Flight Test. This is a full-time onsite role in San Diego requiring hands-on bench work with flight computers, power systems, radios, and sensors.

San DiegoLast seen 15 days ago
$140,000 – $180,000 · Posted 2 months ago

Lead a small embedded Linux software team building mission-critical aerial systems and autonomous platforms for defense applications. You'll split your time between team management (standups, architecture reviews, task prioritization) and hands-on C/C++ development of Linux daemons, REST APIs, and system services.… Design for real-time performance, security hardening, and field operability while collaborating across autonomy, avionics, mechanical, and electrical teams. Own the full software lifecycle from architecture and CI/CD pipelines to documentation and field diagnostics.

San DiegoLast seen 1 month ago