Cellular DevOps Engineer

Title : Cellular DevOps Engineer

Location: Menlo Park, CA (Onsite– 5 Days/Week)
Duration: 6 Months

 We are seeking a Cellular-DevOps Engineer to join our Wearables Cellular team within Engineering Labs. This role sits at the intersection of public and private 5G/LTE cellular network engineering and DevOps automation , supporting the development and testing of next-generation wearable devices with cellular connectivity. You will be responsible for building, operating, and automating the infrastructure that enables end-to-end cellular testing - from RF signal path optimization and modem provisioning to CI/CD pipeline integration and automated IP management services. This is a hands-on engineering role that requires both hardware lab familiarity and strong software/automation skills.

 Key Responsibilities:

Cellular & RF Engineering (40%)

● Private 5G/LTE Network Operations : Configure and maintain small-cell/callbox infrastructure supporting NR SA, LTE, and NR-RedCap across multiple frequency bands (n2, n5, n25, n66, B2, B5, B66)

● RF Signal Path Management : Optimize RSRP/RSRQ/SINR measurements in shielded test environments; troubleshoot signal path issues including cabling, attenuation, and antenna configuration

● Device Modem Provisioning : Manage modem calibration file provisioning, EFS (Embedded File System) operations, QMI/DIAG interfaces, and modem mode configuration

● Cellular E2E Test Execution : Run and validate NR attach/detach cycles, data path verification (ping/DNS/iperf3), GNSS integration, and multi-RAT connectivity scenarios

● Hardware Lab Operations : Stage and pair devices in shield boxes, manage rack equipment mapping, coordinate with callbox vendors, and maintain reference device baselines

 DevOps & Automation (40%)

● CI/CD Pipeline Integration : Configure and maintain automated test lanes - both blocking and non-blocking - for cellular test suites within continuous integration frameworks

● Infrastructure-as-Code : Manage network ACLs, network configuration pushes, proxy filters, and DNS automation pipelines

● Service Development (Python) : Build and maintain automated services such as IP management pipelines (static routing, DNS verification, asset tagging, batch processing)

● Database & State Management : Administer MySQL databases, schema migrations, configuration management systems, and service state stores

● Monitoring & Observability : Instrument services with time-series metrics, manage alerting thresholds, respond to health alerts, and track SLA compliance

● Inventory & Asset Management : Extend and maintain device inventory systems - CLI tools, reservation workflows, and device registration pipelines