Senior System Engineer

Pentangle Tech Services | P5 Group; Redmond (WA); On-site; USD 120,000 - 180,000; Full time

Job summary

Pentangle Tech Services | P5 Group is seeking a Lab Infra Engineer in Redmond, WA for an onsite role. You will support prototype bring-up, test execution, device farm operations, and cross-functional engineering efforts in a fast-paced R&D environment.

Responsibilities include setting up prototype hardware, provisioning devices, maintaining lab infrastructure, and assisting in validation cycles across functional testing. Strong troubleshooting and Linux experience required.

Qualifications

• 8+ years in lab infra, hardware validation, or test labs.
• Hands-on experience with consumer electronics, embedded systems, or prototype devices.
• Strong understanding of device setup, configuration, and hardware troubleshooting.
• Familiarity with Linux operating systems and basic command-line operations.
• Ability to analyze logs, document results, and track issues systematically.
• Strong attention to detail and ability to follow structured test procedures.

Responsibilities

• Prototype device setup, lab operations, and maintaining test systems.
• Device provisioning, firmware flashing, and configuration changes for engineering teams.
• Manage prototype device farms and ensure CI pipelines are test-ready.
• Execute hardware, firmware, and system-level tests across devices.
• Troubleshoot failures, isolate hardware vs software issues, and capture logs.
• Support lab maintenance, inventory tracking, and calibration schedules.
• Collaborate with Systems Engineering, Firmware, Hardware, and Infrastructure teams.

Skills

Lab infra experience

Hardware validation

Linux CLI

Log analysis

Documentation

Cross-team collaboration

Education

Associate's or Bachelor's degree

Tools

Jenkins

ADB

Logcat

Shell scripting

Python

Job description

Location: Redmond, WA (Onsite - 5 days/week)

Experience: 8+ years

Full Time

Role Overview

One of our clients develops next-generation hardware devices powered by custom firmware and software. These devices are continuously validated in lab environments to identify bugs, performance issues, and system reliability gaps.

As a Lab Infra Engineer, you will play a critical role in the Systems Engineering function, supporting prototype bring-up, test execution, device farm operations, and cross-functional engineering efforts. You will act as the backbone of lab operations, ensuring devices and infrastructure are always ready for testing and validation cycles.

Key Responsibilities

Prototype Device Setup & Lab Operations

• Set up, configure, and maintain prototype hardware devices and test systems.
• Support device provisioning, firmware flashing, and configuration changes requested by engineering teams.
• Maintain lab infrastructure including racks, devices, cables, and power/network connectivity.

Device Farm & Test Infrastructure Support

• Manage and monitor prototype device farms used for automated testing workflows.
• Ensure systems are test-ready and operational for continuous integration (CI) pipelines.
• Perform manual intervention when automated systems fail or require remediation.

Testing & Validation Support

• Execute hardware, firmware, and system-level test procedures across devices.
• Support debugging test failures by isolating hardware vs software issues.
• Assist in validation activities covering functional, regression, performance, and reliability testing.

Troubleshooting & Issue Triage

• Investigate and troubleshoot device failures, connectivity issues, and test anomalies.
• Work with engineering teams to capture logs, perform root-cause analysis, and elevate defects.

Lab Maintenance & Operations

• Maintain lab cleanliness, organization, and safety standards.
• Track inventory of devices, cables, and consumables; support calibration and maintenance schedules.
• Document configurations, issues, and test results accurately.

Cross-Functional Support

• Collaborate with Systems Engineering, Firmware, Hardware, and Infrastructure teams.
• Support rapid prototyping cycles and bring-up activities for new hardware platforms.
• Assist engineers during debug sessions, experiments, and validation cycles.
• Work with third-party vendor team and internal stakeholders for any HW equipment and accessories.

Required Qualifications

• 8 years of experience in lab infra engineer, hardware validation, or test lab environment.
• Hands-on experience working with consumer electronics, embedded systems, or prototype devices.
• Strong understanding of device setup, configuration, and hardware troubleshooting.
• Familiarity with Linux operating systems and basic command-line operations.
• Ability to analyze logs, document results, and track issues systematically.
• Strong attention to detail and ability to follow structured test procedures.

Preferred Skills

• Experience with device automation environments or CI/CD test infrastructure (e.g., Jenkins).
• Basic scripting knowledge (Python or Shell) for test execution/debugging.
• Exposure to Android/iOS debugging tools (ADB, Logcat.
• Familiarity with networking, device provisioning, and lab-scale hardware setups.
• Prior experience in AR/VR, wearable devices, or consumer hardware R&D environments.

Education

• Associate's or Bachelor's degree in:
• Strong hands-on technical troubleshooting capability
• Ability to work in fast-paced R&D lab environments
• High level of ownership and operational discipline
• Effective cross-team communication and collaboration
• Detail-oriented with strong documentation mindset

Work Environment & Expectations

• Onsite role (5 days/week) due to hardware and lab dependencies.
• Work in a high-velocity engineering environment with rapid iterations.
• Requires flexibility to support debug cycles and test execution timelines.