Senior SIT Engineer: Firmware & Hardware Lead

Hubbell Incorporated; St. Louis (MO); On-site; USD 110,000 - 160,000; Full time

Job summary

Hubbell Incorporated is seeking a Senior SIT Engineer to lead system integration testing for firmware, hardware, and backend software across the SDLC. The role focuses on quality, reliability, and interoperability, mentoring teams and driving continuous improvement within the Aclara software and product organization.

The position emphasizes testing strategies, risk mitigation across hardware‑firmware‑software interfaces, and collaboration with engineers and stakeholders to ensure robust,

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.

Responsibilities

• 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.

Skills

System Integration Testing

Embedded systems understanding

SDLC knowledge

Agile/DevOps experience

Troubleshooting

Strong communication

Education

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

Tools

JMeter

SOAPUI

Kafka

Grafana

RabbitMQ

Oracle 19c/12c/11g

MS SQL Server

Job description

Hubbell Incorporated is seeking a Senior SIT Engineer to lead system integration testing for firmware, hardware, and backend software across the SDLC. The role focuses on quality, reliability, and interoperability, mentoring teams and driving continuous improvement within the Aclara software and product organization.

The position emphasizes testing strategies, risk mitigation across hardware‑firmware‑software interfaces, and collaboration with engineers and stakeholders to ensure robust,