Cellular DevOps Engineer

Our client, A Fortune 100 - Global Technology company is seeking a Cellular Devops Engineer to join their team.

Job Title: Cellular Devops Engineer

Location: Menlo Park, CA

Pay Range: $70-90/HR on W2

Job Description:

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, including 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 experience 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 the following:
CI/CD pipelines
Infrastructure-as-Code
Configuration management
Database administration
Monitoring systems
Debugging mindset: Ability to troubleshoot across the full stack, from RF signal levels and modem firmware to service RPCs and database queries.
 

If this is a role that interests you and you’d like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!

About ManpowerGroup, Parent Company of:  Manpower, Experis and Talent Solutions

Experis® is a global leader in technology services and part of the ManpowerGroup® (NYSE: MAN) family of brands. We connect skilled technology professionals with meaningful opportunities where they can grow their careers, expand their expertise and make a real impact. Guided by the belief that it takes Human Ingenuity to unlock the true potential of technology, Experis helps people gain experience with leading organizations, build sought-after skills and take the next step toward a brighter future. Backed by ManpowerGroup's 75+ years of workforce expertise and global reach across more than 70 countries and territories, Experis brings the scale, insight and opportunity to help people and businesses thrive. ManpowerGroup is consistently recognized for its commitment to inclusion, ethics and responsible business, including being named one of the World's Most Ethical Companies. Learn more at Experis.com.