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Jabil Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

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Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

A/B Testing & Experimentation

<h5>Test Engineering Manager </h5>Jabil is adding a Test Engineering Manager to our team in Northern Kentucky who will directly contribute to the transformative growth within our Advanced Compute division by applying unique and innovative approaches to developing end-customer product solutions. The Test Engineering Manager is responsible for providing optimum test solutions and strategies through the effective management of systems, procedures, and equipment. Maintaining and surpassing driven innovations and continuous improvement within Test Engineering by harnessing new technologies in the areas of continuous improvement, testing equipment, and statistical analysis. Provide exceptional support to customers, team members, and shareholders while supporting Global Test Engineering initiatives. Essential Duties and Responsibilities: <ul> <li>Provide accurate quotation for new models from new customers and existing customers to ensure company's continuous growth. </li><li>Guides the Test Engineering Department to operate with a high level of efficiency and integrity. </li><li>Reviews and develops department structure, seating capacity and forecast. Establishes operations metrics and assets. Develops detailed training plans as needed. </li><li>Collaborate with executive leadership to ensure alignment of test engineering strategy with overall financial targets. </li><li>Researches, develops and implements Work Cell systems, support and ISO/QS systems. </li><li>Compiles and documents data necessary to analyze performance and makes changes in the testing process as needed. </li><li>Ensure all test equipment is maintained to the best condition for minimum downtime. </li><li>Seek the new test technologies for employees' development and customers' value added. </li><li>Set up a failure analysis group to track the cost-effective test reject inventory and reporting process related failure. </li><li>Establish and maintain departmental policies and best practices to ensure compliance with internal controls, quality standards, and external regulations. </li><li>Set up a test development group to increase company value and satisfy customers' needs. </li><li>Brief executive management on departmental performance, potential risks, and strategic opportunities. </li><li>Direct and mentor subordinate managers and senior technical leads across multiple test engineering units. Approve hiring decisions, conduct performance reviews, and set strategic priorities in support of new product introductions and sustaining operations. </li><li>Provide the cost reduction through automation and process simplification. </li><li>Lead cross-functional initiatives to expand Jabil's competitive advantage in emerging markets and technologies. </li><li>May perform other duties and responsibilities as assigned. </li></ul> Job Qualifications Knowledge Requirements: <ul> <li>Possess expert-level knowledge of test engineering processes within the SMT and electronics industry, specifically pertaining to AI/ML server, storage, networking platforms. </li><li>Knowledge in computer hardware and software is essential. Ability to handle complex engineering issues and to provide engineering solutions for company operations. </li><li>Expertise with Jabil's proprietary and custom automated test equipment. </li><li>Ability to work under tight deadlines with frequently changing priorities. </li><li>Ability to read, analyze, interpret and communicate regarding common scientific and/or technical journals, financial reports, and legal documents. </li><li>Ability to respond to common inquiries or complaints from customers, regulatory agencies, or members of the business community. </li><li>Ability to effectively present information to top management, public groups, and/or boards of directors. Advanced PC skills, including training and knowledge of Jabil's software packages. </li><li>Ability to calculate figures and amounts such as discounts, interest, commissions, proportions, percentages, area, circumference, and volume. </li><li>Ability to apply concepts of basic algebra and geometry. </li><li>Ability to solve practical problems and deal with a variety of concrete variables in situations where only limited standardization exists. </li><li>Ability to interpret a variety of instructions furnished in written, oral, diagram, or schedule form. </li><li>Proficiency in use of personal computers, Microsoft Office products (Excel, Word and PowerPoint) and e-mail skills required. </li></ul> Education & Experience Requirements: <ul> <li>Bachelor's degree in Electronics or Electrical Engineering preferred, from an accredited four-year college or university. </li><li>Minimum of 7 years work-related experience, including a minimum of 5 years management experience is required; or an equivalent combination of education, experience and/or training. </li><li>Experience in a hardware testing and development environment, preferably with enterprise server, storage or networking products. </li><li>Expertise with Linux and Linux Shell; capable of training technicians on Linux / Linux Shell basics. </li><li>Demonstrate the ability to apply principles of statistical analysis: collecting, analyzing, and interpreting data to make data-driven decisions. </li><li>Intermediate understanding of Bash and Python programming. </li><li>Display strong understanding of computer/server hardware concepts, functionality, and integration. </li><li>Experience working in a multi-site and multi-cultural environments. </li><li>Proven ability to work within a fast-paced and highly ambiguous business environment. </li></ul> Language Skills Ability to read, analyze, and interpret general business periodicals, professional journals, technical procedures, or governmental regulations. Ability to write reports, business correspondence, and procedure manuals. Ability to effectively present information and respond to questions from groups of managers, clients, customers, and the general public. Mathematical Skills Ability to work with mathematical concepts such as probability and statistical inference, and fundamentals of plane and solid geometry and trigonometry. Ability to apply concepts such as fractions, percentages, ratios, and proportions to practical situations. Reasoning Ability Ability to define problems, collect data, establish facts, and draw valid conclusions. Ability to interpret an extensive variety of technical instructions in mathematical or diagram form and deal with several abstract and concrete variables. Physical Demands The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. The employee is frequently required to walk, and to lift and carry PC's and test equipment weighing up to 50 lbs. Specific vision abilities required by this job include close vision and use of computer monitor screens a great deal of time. Work Environment The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Individual's primary workstation is located in the office area, with some time spent each day on the manufacturing floor. The noise level in this environment ranges from low to moderate. Required PPE for the production area includes composite toed shoes, hearing protection, protective eyewear, and an ESD vest. The manufacturing floor is modernized, climate-controlled, and well-lit. Company Benefits: <ul> <li>Medical, Dental, Prescription Drug, and Vision Insurance with HRA and HSA options </li><li>401K match </li><li>Employee Stock Purchase Plan </li><li>Paid Time Off </li><li>Tuition Reimbursement </li><li>Life, AD&D, and Disability Insurance </li><li>Commuter Benefits </li><li>Employee Assistance Program </li><li>Pet Insurance </li><li>Adoption Assistance </li><li>Annual Merit Increases </li><li>Community Volunteer Opportunities </li></ul> Be Aware of Fraud: When applying for a job at Jabil you will be contacted via correspondence through our official job portal with a jabil.com e-mail address; direct phone call from a member of the Jabil team; or direct e-mail with a jabil.com e-mail address. Jabil does not request payments for interviews or at any other point during the hiring process. Jabil will not ask for your personal identifying information such as a social security number, birth certificate, financial institution, driver's license number or passport information over the phone or via e-mail. If you believe you are a victim of identity theft, contact the Federal Bureau of Investigations internet crime hotline (www.ic3.gov), the Federal Trade Commission identity theft hotline (www.identitytheft.gov) and/or your local police department. Any scam job listings should be reported to whatever website it was posted in. Jabil, including its subsidiaries, is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, age, disability, genetic information, veteran status, or any other characteristic protected by law.

<div><h2>Senior Business Analyst Manager</h2>At Jabil we strive to make ANYTHING POSSIBLE and EVERYTHING BETTER. We are proud to be a trusted partner for the world's top brands, offering comprehensive engineering, manufacturing, and supply chain solutions. With over 50 years of experience across industries and a vast network of over 100 sites worldwide, Jabil combines global reach with local expertise to deliver both scalable and customized solutions. Our commitment extends beyond business success as we strive to build sustainable processes that minimize environmental impact and foster vibrant and diverse communities around the globe.Position SummaryThe Senior Business Analyst Manager supports the Supply Chain Business Unit by leading financial planning, analysis, and performance management. This role provides key financial insights to drive strategic and operational decisions, including quarterly budgeting, forecasting, and Long-Term Plan (LTP) development.The position oversees the preparation and review of Weekly Indicator (WI) reports for P&L performance, manages cash flow and cost analysis, and monitors balance sheet items such as reserves and rebates. It also collaborates closely with the Finance team on accounting treatment, audit queries, and business-related financial issues, while providing financial oversight and partnership support to the Business unit.Key Deliverables<ul><li>Lead the quarterly budgeting and forecasting process, ensuring alignment with business and supply chain objectives.</li><li>Support and coordinate the Long Term Plan (LTP) process in collaboration with the Business Unit and Finance.</li><li>Prepare and review Weekly Indicator (WI) reports to track and analyze P&L performance trends.</li><li>Conduct financial performance reviews (P&L, balance sheet, and cash flow) and provide variance analysis with actionable insights.</li><li>Monitor cash flow and working capital, highlighting risks and opportunities for improvement.</li><li>Review and manage balance sheet items including accruals, reserves, prepayments, and rebates.</li><li>Partner with Finance on accounting treatment, reporting integrity, and responses to audit queries.</li><li>Prepare management reports and dashboards with key business insights for leadership review.</li><li>Collaborate closely with the Business Account Manager on business unit financial and tracking requirement</li></ul>Decision-Making Scope<ul><li>Provides analytical and financial recommendations to the Senior Director, Supply Chain for strategic and operational decisions.</li><li>Approves key assumptions and inputs for quarterly forecasts, budgets, and LTP submissions.</li><li>Reviews and endorses major accounting entries and business adjustments in coordination with Finance.</li><li>Recommends actions for cost optimization, margin improvement, and working capital efficiency.</li><li>Advises management on the financial implications of supply chain strategies and initiatives.</li><li>And, any other support and collaboration as required by BU management.</li></ul>Qualifications and Experience<ul><li>Bachelor's degree in Finance, Accounting, or Business Administration; professional qualification (CPA, CA, ACCA, CFA) preferred.</li><li>Minimum 810 years of progressive experience in financial planning and analysis (FP&A), business analysis, or related functions.</li><li>Strong knowledge of P&L, balance sheet, and cash flow management, including reserves and rebate accounting.</li><li>Experience in quarterly forecasting, budgeting, and LTP development.</li><li>Advanced Excel and financial modeling skills; proficiency with ERP and BI tools (e.g., SAP, Oracle, Power BI).</li><li>Strong analytical, problem-solving, and communication skills with attention to detail.</li><li>Proven ability to collaborate across business units, finance, and operations.</li></ul>BE AWARE OF FRAUD: When applying for a job at Jabil you will be contacted via correspondence through our official job portal with a jabil.com e-mail address; direct phone call from a member of the Jabil team; or direct e-mail with a jabil.com e-mail address. Jabil does not request payments for interviews or at any other point during the hiring process. Jabil will not ask for your personal identifying information such as a social security number, birth certificate, financial institution, driver's license number or passport information over the phone or via e-mail. If you believe you are a victim of identity theft, contact your local police department. Any scam job listings should be reported to whatever website it was posted in.Jabil, including its subsidiaries, is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, age, disability, genetic information, veteran status, or any other characteristic protected by law.</div>

The Test Manager is responsible for planning, implementing, and overseeing all testing activities to ensure product quality and compliance with industry standards. This role involves managing a team of test engineers, developing test strategies, and collaborating with design, production, and quality teams to deliver reliable electronic products What you’ll own (mission)<ul><li>Lead and scale the Test Engineering function for board & system-level production to ensure first-pass yield, reliability, and timely ramps to volume.</li><li>Deliver robust test strategies (ICT, AOI, X-Ray, functional, boundary-scan, system test), ATE infrastructure, and automation to meet product quality and throughput targets.</li><li>Be the primary technical contact for customers and cross-functional stakeholders on test readiness, failure analysis, and continuous improvement.</li><li>Build a Solid technical capability in team who thrives in upcoming 5G-6G telecommunication and AI enabled Networking products.</li></ul> Key ResponsibilitiesTechnical Leadership & Delivery<ul><li>Define and implement test strategies (ICT, AOI, X-Ray, functional, boundary-scan, system test) and test coverage targets for new product introductions (NPI) and production.</li><li>Oversee development, validation, and deployment of test programs on ATE platforms, lead test fixture & handler design reviews.</li><li>Coordinate with suppliers and customers for test requirements.</li><li>Drive DFT best practices, test coverage analysis, and design-for-testability recommendations with product engineering.</li></ul>People & Operational Management<ul><li>Lead a team of Test Engineers and Technicians (hiring, mentoring, performance management).</li><li>Set measurable KPIs (DPPM, first pass yield, cycle time, test coverage, mean time to detect/resolve failures) and report program readiness metrics to stakeholders.</li><li>Manage departmental budget for test equipment, spares, and tooling.</li></ul>NPI & Customer Engagement<ul><li>Act as test point of contact during NPI and ramp phases: review test plans, participate in design reviews, and lead test validations.</li><li>Present test readiness and improvement plans to customers and internal leadership.</li><li>Collaborate with Quality and Production to analyze failure trends and implement corrective actions.</li></ul>Continuous Improvement & Safety<ul><li>Drive lean test processes, automation of manual steps, and test data analytics to reduce cost and cycle-time.</li><li>Ensure compliance with safety, security, and site procedures.</li></ul> Success Metrics (what success looks like in 6 months)<ul><li>Achieve targeted first pass yield and DPPM targets for assigned program(s).</li><li>Deploy validated ATE and test programs for at least one NPI to production readiness.</li><li>Reduce average test cycle and demonstrate measurable cost/scrap reduction.</li><li>Build and certify a cross-functional team capable of leading sustained volume production.</li><li>Meet or exceed Customer Delivery dates with on time execution of test strategy and project management .</li></ul> Required (Must-have)<ul><li>Bachelor’s degree in electrical / Electronics / Mechatronics or Mechanical Engineering.</li><li>15+ years of test engineering experience in EMS/semiconductor/board manufacturing; minimum 3 years in a managerial or lead role.</li><li>Hands-on experience with ATE platforms, test program development, fixture/harness design, and DFT practices.</li><li>Strong experience with failure analysis and test data analytics.</li><li>Excellent stakeholder and customer-facing communication skills.</li><li>Ability to work on-site in Pune with flexibility to support multi-site operations; up to ~10–20% travel (supplier/customer visits).</li></ul>Preferred (Nice-to-have)<ul><li>Experience with TRI, Key Sight, Teradyne, Advantest, Test Stand, LabVIEW, or Python-based test automation.</li><li>Exposure to high-volume server / datacenter or GPU-level test programs.</li><li>Experience in cost reduction programs, lean manufacturing, and reliability test programs.</li><li>Master’s degree or relevant certification in test engineering.</li></ul> <ul><li>Why Jabil</li></ul> <ul><li>Certified as “Great Place to Work” & “Best Workplace -In Electronics”.</li><li>We Follow Open Communication and Encourage our employees to be part of our growth.</li><li>We offer fast career growth, global program exposure, latest and greatest technology exposure, huge learning opportunity and empowerment to “Make Difference”.</li><li>Employee Connect-Collaborate-Celebrate work environment.</li><li>Performance and appreciation Rewards.</li><li>Education Assistance Programs.</li><li>Multiple Employee supporting Policies covering medical assistance.</li></ul>

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High
Random Bucketing	A/B Testing & Experimentation	Medium	Very High

Jabil Interview Questions

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