Cellular DevOps Engineer

Asterism IT Solutions; Menlo Park (CA); On-site; USD 193,000 - 262,000; Full time

Job summary

Asterism IT Solutions in Menlo Park, CA is looking for an experienced Cellular DevOps Engineer to join the Wearables Cellular Engineering team on a 6‑month contract. This onsite role combines 5G/LTE network engineering, RF lab operations, DevOps automation, Python development, and cellular test infrastructure, with responsibilities spanning configuration, provisioning, and automated testing.

The ideal candidate will have hands-on cellular experience, strong Python and Linux skills, and the

Qualifications

• 10+ years in cellular/wireless engineering, DevOps, or related infrastructure.
• Hands-on 5G NR and LTE networks experience.
• Experience with cellular network operations, RF measurements, and UE attach/registration.
• Strong Python programming and Linux system administration.
• Familiarity with JavaScript and test automation frameworks (Jest).
• Experience with CI/CD and infrastructure-as-code concepts.

Responsibilities

• Configure and maintain private 5G/LTE networks, small cells, and callbox infrastructure.
• Analyze RF measurements (RSRP, RSRQ, SINR) and optimize performance.
• Develop and integrate automated infrastructure and test services into CI/CD pipelines.
• Build production automation using Python and manage databases like MySQL.
• Develop cellular E2E tests using JavaScript/Jest and Thrift integrations.
• Support lab operations including network/configuration and asset-management.

Skills

Python

Linux

JavaScript

CI/CD

5G NR

RF testing

DevOps

Tools

MySQL

QMI

DIAG

EFS

Thrift

Jest

Job description

Job Title: Cellular DevOps Engineer
Location: Menlo Park, CA — Onsite 5 Days/Week
Duration: 6 Months Contract- W2
Experience: 10+ Years
Work Authorization: GC, USC

Job Description

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.

Key Responsibilities

Cellular & RF Engineering

• 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.

DevOps & Automation

• 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.

Test Framework & 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.

Required Qualifications

• 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.

Preferred Qualifications

• 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.