Cellular DevOps Engineer
Asterism IT Solutions•Menlo Park, CA
•Onsite
About The Position
We are seeking an experienced Cellular DevOps Engineer to join a Wearables Cellular Engineering team. This role combines 5G/LTE cellular network engineering, RF lab operations, DevOps automation, Python development, and cellular test infrastructure. The ideal candidate will have hands-on experience working with cellular networks and devices while also being comfortable building and operating automated infrastructure and test services.
Requirements
- 3+ years of cellular/wireless engineering, DevOps, or combined infrastructure experience.
- Hands-on 4G LTE and/or 5G NR experience.
- Experience with cellular network operations, RF measurements, and UE attach/registration.
- Strong Python programming skills.
- Working knowledge of JavaScript.
- Strong Linux administration and shell scripting.
- Experience with networking concepts including VLANs, static routing, iptables/nftables.
- Experience with embedded device interfaces such as adb, fastboot, or serial.
- Experience with at least two of: CI/CD, Infrastructure-as-Code, Configuration management, Database administration, Monitoring/observability.
- Strong troubleshooting ability across RF, modem, software services, and databases.
Nice To Haves
- Amarisoft or similar small-cell/callbox platforms.
- Keysight or Rohde & Schwarz cellular test equipment.
- Qualcomm QXDM, QMI, DIAG, NV item provisioning, EFS.
- Wearable or IoT device testing.
- Thrift/gRPC service development.
- Jest, pytest, or similar test automation frameworks.
- Network security, ACL, and firewall policy management.
- Shielded or anechoic test environments.
- MCTP/NCSI or similar baseboard management protocols.
Responsibilities
- Configure and maintain private 5G/LTE networks, small cells, and callbox infrastructure.
- Support NR SA, LTE, and NR-RedCap testing across multiple frequency bands.
- Analyze and optimize RSRP, RSRQ, and SINR measurements.
- Troubleshoot RF signal paths, cabling, attenuation, and antenna configurations.
- Perform modem provisioning and work with QMI, DIAG, EFS, and modem configurations.
- Execute cellular E2E testing including attach/detach, data connectivity, DNS, ping, and iperf3.
- Support shield-box, rack, device-pairing, and cellular lab operations.
- Integrate cellular test suites into CI/CD pipelines.
- Develop infrastructure automation for network configuration, ACLs, DNS, routing, and proxy filters.
- Build production automation services using Python.
- Work with databases including MySQL, schema migrations, and configuration/state management.
- Implement monitoring, metrics, alerting, and service health tracking.
- Maintain device inventory, registration, reservation, and asset-management tooling.
- Develop configuration-driven cellular E2E tests using JavaScript/Jest.
- Build Python/Thrift integrations for callbox control and queries.
- Develop modem-management utilities.
- Support lab networking including PoE, VLANs, port management, and network configuration.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
