Top Tech Jobs & Startup Jobs in Los Angeles, CA

Design, implement, and optimize 5G NR gNB PHY layer algorithms and real-time signal processing on DSP/FPGA/GPU. Integrate PHY with RF front-end, maintain 3GPP compliance, perform unit/integration testing, debug and tune performance, and mentor junior engineers.

Design and implement Wi‑Fi 6 (802.11ax) and 802.11s mesh networking software for enterprise access points. Develop HMAC components, optimize throughput/latency/airtime, integrate on NXP-based Embedded Linux platforms, maintain hostapd/wpa_supplicant/mac80211, debug with packet captures, and collaborate with RF/firmware/QA teams for product releases.

Develop and implement test plans for coherent optical pluggable products using Photonics Integrated Circuits. Analyze transceiver performance, define testability requirements, validate test platforms, and collaborate with development and manufacturing teams. Support fault isolation, integrate platform changes into manufacturing, and improve test yield and cycle times through data analytics and statistical modeling.

Develop, optimize, and integrate 5G NR L2/L3 protocol stacks (MAC, RLC, PDCP, RRC, NGAP). Implement scheduling, HARQ, buffer management, and mobility features. Debug protocols using tracing tools and integrate L2/L3 with PHY and 5GC to improve throughput, latency, and handover performance.

Develop and optimize UE Layer 2 and Layer 3 protocol stack (MAC, RLC, PDCP, RRC, NAS) for LTE and 5G NR. Implement 3GPP features, debug with protocol analyzers, integrate with PHY/L1, run functional and performance tests using UE simulators and network emulators, and ensure operator compliance.

Design, develop, and optimize platform-level embedded software and reusable frameworks for telecom products (including 5G). Collaborate across systems teams, perform architecture and code reviews, support integrations with customers/partners, and mentor engineers while ensuring performance, scalability, and reliability on heterogeneous processors.

Leads the long-term hardware product roadmap for DC switching products, translating customer and market needs into product requirements and strategy. Collaborates with engineering, product marketing, procurement, sales, and executive teams to deliver initiatives, competitive positioning, customer collateral, and go-to-market activities. Manages and mentors hardware product managers while ensuring alignment with business objectives.

Leads end-to-end customer success programs and operational services for hyperscale customers. Manages cross-functional global teams, technical escalations, deployments, upgrades, quality initiatives, risks, budgets, contracts, schedules, and customer communications. Coordinates engineering, support, product, quality, supply chain, logistics, sales, and account teams to resolve issues, improve reliability, meet contractual commitments, and drive customer satisfaction and commercial performance.

Provide 24/7 technical support for network management system products, troubleshoot and resolve customer issues, manage outages, perform corrective and preventive maintenance, document incidents and root causes, and coordinate escalations with higher-level support and product teams. The role also maintains Salesforce records, supports knowledge management, communicates recovery risks, and builds customer relationships while meeting service-level agreements.

Manages complex customer projects and programs from initiation through delivery, care, and closure. Responsibilities include planning, change and risk management, contract and financial oversight, quality control, stakeholder communication, customer relationship management, team leadership, operational handoffs, KPI reporting, and identifying opportunities for contract expansion and renewal.