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Job Overview Role Summary The System Integration Test Engineer is responsible for executing system integration testing (SIT) across applications, devices, APIs, and data systems to ensure overall product quality and reliability. This role focuses on validating end-to-end workflows, performing functional and performance testing, and leveraging modern tools, automation, AI techniques, and database validation to support high-quality releases. A Day In The Life Key Responsibilities System Integration Testing Execute end-to-end SIT scenarios across multiple systems, including APIs, backend services, and user interfaces Validate data flow, integration points, and system interactions Identify, log, and track defects, integration issues, and inconsistencies Support test planning, test case creation, and test execution Automation & Modern Testing Tools Develop and execute automation scripts for regression and integration testing Work with tools such as: Selenium / Cypress (UI testing) Postman / REST Assured (API testing) Contribute to test automation frameworks and CI/CD pipelines Performance & Load Testing (Basic) Assist in executing load and performance tests using tools such as: JMeter / k6 Analyze test results and identify basic performance bottlenecks AI-Assisted Testing (Emerging Skills) Use AI-powered testing tools for: Test case generation Defect prediction Analysis of test results Support implementation of intelligent automation practices Database & Data Validation Validate data integrity across systems using: SQL queries Data comparison techniques Work with relational databases (e.g., SQL Server, Oracle, PostgreSQL) Verify ETL/data pipeline accuracy and consistency Defect Management & Troubleshooting Log and manage defects using tools like JIRA or Azure DevOps Perform basic root cause analysis with guidance from senior engineers Collaborate with development teams to resolve issues Collaboration & Agile Participation Work in Agile/Scrum teams, participating in: Sprint planning Daily stand-ups Retrospectives Collaborate with developers, business analysts, and QA teams What will help you thrive in this role? Required Qualifications Bachelor’s degree in Computer Science, Engineering, or related field 2+ years of experience in: Software testing / QA System Integration Testing (preferred) Technical Skills Testing Tools API Testing: Postman, REST Assured UI Testing: Selenium, Cypress Test Management: JIRA, Azure DevOps Performance Testing (Basic) JMeter, k6 (preferred) Programming / Scripting Basic knowledge of: Python / Java / JavaScript Database Skills Strong SQL fundamentals Experience querying and validating data AI Tools (Preferred) Exposure to AI-based testing tools or frameworks is a plus Familiarity with automation optimization using AI Other Skills Understanding of SDLC and STLC processes Basic knowledge of API architecture and microservices Exposure to cloud platforms (Azure/AWS) is a plus Key Competencies Strong analytical and problem-solving skills Attention to detail and quality focus Good communication and collaboration skills Ability to learn new tools and technologies quickly Proactive mindset toward automation and innovation Preferred Experience Exposure to integration testing across multiple systems Knowledge of basic performance testing concepts Experience working with Agile teams Success Metrics Test coverage and execution completeness Defect detection effectiveness Contribution to automation and efficiency improvements Accuracy of data and integration validation Hubbell Incorporated Hubbell creates critical infrastructure solutions that power our customers, communities, people and the planet. Our company is strategically aligned around enabling grid modernization and electrification. As more products plug in to an aging grid, Hubbell solutions enable the transition to a more reliable, resilient and efficient energy infrastructure. Founded in 1888 our innovation has made us a leading global manufacturer of high quality electrical and utility solutions enabling customers to operate critical infrastructure reliably and efficiently. The company operates in two segments. Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications. Our vertical market solutions can be applied to markets including Data Centers, Renewables, Commercial Buildings, Industrial, Telecom and Transportation. Supporting both of our business segments is our corporate and Hubbell Unified Business Solutions teams that provide consistent process, tools technologies across our businesses. We are committed to operating sustainably and ethically while promoting an inclusive and supportive culture for our people to grow and develop in their careers. Our employees proudly work and serve our communities from our headquarters in Shelton, CT, across the United States and around the globe. Hubbell Utility Solutions Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications. HUS provides the critical components that allow the grid to reliably transmit and distribute energy, as well as the communications and controls technologies to make the grid smarter and more flexible. Hubbell Incorporated, its subsidiaries and affiliates, 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. The above summary of position responsibilities and requirements is not intended, and should not be construed, to be an exhaustive list of duties, skills, efforts, physical requirements, or working conditions associated with the position. It is intended to be an accurate reflection of those principal position elements essential for making decisions related to position performance, employee development, and compensation.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.