Cellular Devops Engineer
Info Way Solutions LLCSan Francisco, CA
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Overview
Remote
On-site
Job Description
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
- 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
- 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
Test Framework & Tooling (20%)
- E2E Test Development : Author config-driven cellular E2E tests (JavaScript/Jest) covering LTE, NR SA, NR-RedCap, and attach/detach scenarios
- Callbox Integration Tooling : Develop and maintain Python/Thrift bridges for callbox queries and control RPCs
- Modem Utility Libraries : Contribute to shared libraries for device-side modem management (mode switching, airplane mode, cellular measurements)
- Lab Network Tooling : Build and maintain lab network management features (PoE control, port management, VLAN allocation)
Required Qualifications
- 3+ years of experience in cellular/wireless engineering, DevOps, or a combined infrastructure role
- Private cellular network experience : Hands-on with 4G LTE and/or 5G NR - including cell planning, RF measurements (RSRP, RSRQ, SINR), and UE attach/registration flows
- Programming proficiency : Python (primary) with working knowledge of JavaScript; ability to write production services and test automation
- Linux systems administration : Comfortable with shell scripting, systemd services, networking (VLANs, static routing, iptables/nftables), and embedded device interaction (adb, fastboot, serial)
- Infrastructure automation : Experience with at least two of: CI/CD pipelines, Infrastructure-as-Code, configuration management, database administration, or monitoring systems
- Debugging mindset : Ability to troubleshoot across the full stack - from RF signal levels and modem firmware to service RPCs and database queries
Preferred Qualifications
- Experience with Amarisoft or similar small-cell/callbox platforms (Keysight, R&S)
- Familiarity with Qualcomm modem tooling (QXDM, QMI, DIAG, NV item provisioning, EFS management)
- Exposure to wearable/IoT device development or testing
- Experience with Thrift/gRPC service development and service mesh architectures
- Knowledge of MCTP/NCSI or other baseboard management protocols
- Background in test automation frameworks (Jest, pytest, or similar)
- Familiarity with network security tooling (ACL generation, firewall policy management) Experience operating shielded/anechoic test environments
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FAQs About Cellular Devops Engineer Jobs at Info Way Solutions LLC
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This job at Info Way Solutions LLC is located in San Francisco, CA, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.
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