Senior SIT Engineer (Firmware & Hardware)

Hubbell Incorporated; St. Louis (MO); On-site; USD 90,000 - 115,000; Full time

Job summary

Hubbell Incorporated is looking for a Senior SIT Engineer specializing in Firmware & Hardware in St. Louis, MO. This position leads system integration testing for complex solutions involving firmware, hardware devices, and software systems while promoting quality assurance practices.

The ideal candidate will have over 5 years of experience in System Integration Testing, solid skills in troubleshooting hardware and firmware, and a Bachelor's degree in a related field. Join us to improve our products and make a difference in a collaborative environment.

Qualifications

• 5+ years of experience in System Integration Testing with firmware and hardware.
• 10+ years of experience in System Integration Testing and quality engineering.
• Strong understanding of embedded systems and quality assurance best practices.

Responsibilities

• Lead and execute system integration testing for firmware and hardware solutions.
• Ensure adherence to quality practices across all SDLC phases.
• Develop and maintain system-level test strategies and test plans.

Skills

System Integration Testing

Firmware Testing

Hardware Integration

Agile Methodologies

Troubleshooting

Education

Bachelor’s Degree in Computer Science, Engineering or related field

Tools

JMeter

SOAPUI

Kafka

Grafana

RabbitMQ

Job description

Senior SIT Engineer - Firmware & Hardware

Location: Solon, OH, US, 44139 St. Louis, MO, US, 63146

Company: Hubbell Incorporated

Job Overview

The Senior SIT Engineer (Firmware & Hardware) is responsible for leading system integration testing of complex solutions involving firmware, hardware devices, and supporting software systems. This role ensures end‑to‑end quality, reliability, performance, and interoperability across the full System Development Life Cycle (SDLC). The engineer plays a critical role in promoting quality‑first practices, mentoring team members, and driving continuous improvement within the Aclara software and product organization.

• Lead and execute system integration testing (SIT) for solutions that include firmware, embedded systems, hardware components, and backend software.
• Ensure adherence to quality‑first practices across all SDLC phases, including requirements review, design validation, firmware testing, hardware integration, regression testing, performance testing, and release readiness.
• Develop, review, and maintain system‑level test strategies, test plans, test cases, and end‑to‑end test scenarios, ensuring alignment with defined acceptance criteria.
• Validate firmware and hardware interoperability with applications, APIs, messaging, and data pipelines.
• Identify, analyze, and mitigate integration, performance, reliability, and scalability risks across hardware‑firmware‑software boundaries.
• Evaluate new products, firmware releases, hardware revisions, and processes to continuously improve the reliability and robustness of company solutions.
• Drive root‑cause analysis of system‑level defects, including issues spanning firmware, hardware, and software layers.
• Champion continuous improvement by enhancing SIT practices, tools, environments, and automation approaches across teams.
• Promote best practices and help establish a culture of excellence and accountability within the Aclara engineering and quality organization.
• Communicate complex technical and quality topics clearly to engineers, product owners, business leaders, and customers.
• Participate in and influence release readiness, quality gates, and go/no‑go decisions, providing objective quality assessments and risk visibility.
• Mentor junior and mid‑level SIT engineers and provide guidance on firmware and hardware testing best practices.

What will help you thrive in this role?

Required Skills & Qualifications

• Minimum of a Bachelor’s Degree in Computer Science, Engineering or related field
• 5+ years of experience in System Integration Testing, with hands‑on experience testing firmware and hardware‑based systems.
• 10+ years of experience in System Integration Testing and quality engineering
• Strong understanding of embedded systems, firmware lifecycles, and hardware‑software integration.
• Proven experience testing complex, distributed systems involving devices, firmware, backend services, and user interfaces.
• Solid understanding of SDLC, SIT processes, and quality assurance best practices.
• Experience working in Agile and/or DevOps environments.
• Strong analytical and troubleshooting skills across firmware, hardware, and software layers.
• Excellent verbal and written communication skills, with the ability to explain technical issues to non‑technical stakeholders.

Technical Expertise (Preferred)

• Testing Tools: JMeter, SOAPUI, Kafka, Grafana, RabbitMQ
• Databases: Oracle 19c/12c/11g, MS SQL Server, PL/SQL, T‑SQL
• Other: System diagnostics, log analysis, defect management, performance and reliability testing

Hubbell Incorporated is an EO Employer AA: M/F/Veteran/Disability. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, sexual orientation, gender identity or any other protected class.