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Let’s say we have a table with an <code>id</code> and <code>name</code> fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database.

Write a query to randomly sample a row from this table.

Input:

<code>big_table</code> table

<table>
<thead>
<tr>
<th>Columns</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>

Write a query to randomly sample a row from a big table.

Random SQL Sample

Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

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

Jabil Salaries by Position

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. JOB SUMMARYThe VAVE EE Manager is responsible for leading a specialized engineering team focused on Value Analysis/Value Engineering (VAVE) and Design for Manufacturing (DFM) within the Electrical Engineering domain. This role entails planning, organizing, and directing component and DFM engineers' activities to meet company objectives, drive cost efficiencies, and enhance product quality. LOCATIONThis role will be based on-site at our St. Petersburg, FL - Gandy location. ESSENTIAL DUTIES AND RESPONSIBILITIES LEADERSHIP AND MANAGEMENT RESPONSIBILITIES Recruitment and Retention:<ul><li>Recruit, interview, and hire team members with technical and leadership strengths to ensure a well-rounded and competent team.</li><li>Communicate hiring criteria to recruiters, emphasizing the need for complementary skills within VAVE and DFM disciplines.</li><li>Monitor team retention and turnover, identifying factors for improvement to maintain a stable and motivated team.</li></ul> Employee and Team Development:<ul><li>Identify team strengths and areas for development, creating tailored training and development plans.</li><li>Mentor and coach team members, fostering a culture of excellence, collaboration, and continuous learning.</li><li>Develop and implement succession plans, ensuring the longevity and resilience of the VAVE and DFM functions.</li></ul> Performance Management:<ul><li>Set clear, measurable objectives for individual team members and the team as a whole, aligned with operational goals.</li><li>Provide ongoing feedback and performance coaching, using insights from peers and team assessments to guide improvement.</li><li>Conduct formal performance evaluations, recognizing accomplishments and identifying growth opportunities.</li></ul> Communication:<ul><li>Facilitate open, transparent communication within the team and across departments, ensuring alignment and collaboration.</li><li>Tailor communication style to effectively convey ideas and information to diverse audiences.</li><li>Encourage input from team members, fostering an inclusive environment where ideas are freely exchanged.</li></ul> Strategic Guidance:<ul><li>Provide high-level oversight and strategic direction, ensuring the team’s work aligns with broader business objectives.</li><li>Leverage team expertise in VAVE and DFM to guide project execution and drive successful outcomes.</li><li>Ensure best practices are followed, even in areas where the manager may need to gain deep technical expertise.</li></ul> FUNCTIONAL MANAGEMENT RESPONSIBILITIES Business Strategy and Direction:<ul><li>Understand and align with campus strategic directions and how they apply to the team’s objectives.</li><li>Develop an understanding of the Workcell business strategy as it pertains to the team’s contributions and align projects accordingly.</li><li>Provide regular updates to the BUM and Worldwide Director of Design Services on strategy execution and progress.</li></ul> Cost Management:<ul><li>Identify and implement cost-reduction strategies by streamlining processes, consolidating tasks, and eliminating non-value-added activities.</li><li>Monitor and manage departmental costs using available tools, ensuring continuous value improvement.</li><li>Communicate cost trends and opportunities to peers, BUMs, and the Worldwide Director of Design Services.</li><li>Oversee the creation and submission of project proposals and quotations, focusing on accuracy and strategic alignment.</li></ul> Forecast Development and Accuracy:<ul><li>Prepare and manage forecasts for the department, ensuring they are timely and accurate.</li><li>Analyze and compare forecast results with historical data for trend assessment, making necessary adjustments to align with current objectives.</li><li>Continuously refine forecasting methods to ensure they meet the evolving needs of the department.</li></ul> TECHNICAL MANAGEMENT RESPONSIBILITIES <ul><li>Provide direction on design and development activities to improve, modify, or create new products and processes, ensuring they meet cost, quality, and manufacturability targets.</li><li>Oversee key projects and processes, including performance reports, data analysis, and the implementation of corrective actions where necessary.</li><li>Select, develop, and supervise staff, establishing clear individual goals and tailored training plans supporting team and project needs.</li><li>Develop and implement policies, procedures, and programs that align with company objectives and industry best practices, ensuring consistent application across the team.</li><li>Analyze and evaluate new components and development tools, guiding their integration into existing projects and processes.</li><li>Monitor technology trends and market demand, using insights to plan and prioritize projects that align with business strategy.</li><li>Collaborate with management and production teams to assess engineering feasibility and cost-effectiveness of new designs or modifications.</li><li>Ensure proper documentation for all projects, including design changes, testing results, and final specifications.</li><li>Select appropriate design concepts and technologies for new products or improvements, balancing innovation with practicality and cost considerations.</li><li>Lead the design and development of new components or redesign existing components to enhance product performance, reliability, and cost-effectiveness.</li><li>Determine and establish specifications through rigorous engineering calculations and layouts, ensuring accuracy and compliance with project requirements.</li><li>Adhere to all safety and health regulations and ensure team compliance with these standards and company security policies.</li><li>Perform other duties and responsibilities as assigned, ensuring flexibility and responsiveness to evolving project and business needs.</li></ul> KNOWLEDGE REQUIREMENTS<ul><li>Expertise managing multiple projects simultaneously, focusing on achieving strategic objectives and maintaining quality standards.</li><li>High-performance orientation, attention to detail, market knowledge, and sound judgment.</li><li>Ability to build and leverage partnerships, implement change, and manage projects effectively.</li><li>Proficiency in using personal computers and Microsoft Office products (Excel, Word, PowerPoint) is required.</li><li>Advanced PC skills, including experience with Jabil’s software packages or similar integrated systems like SAP.</li></ul> JOB QUALIFICATIONS Education:<ul><li>Bachelor’s degree in Electrical Engineering or a related field. A Master’s degree or MBA is preferred but not required.</li></ul> Experience:<ul><li>Minimum of 8+ years of engineering experience, focusing on VAVE and/or DFM.</li><li>Experience in a managerial role within a design or manufacturing environment.</li></ul>

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. SUMMARYThe ME/IE Manager is the “site technology leader” of Jabil’s manufacturing processes and systems, which is designed to deliver superior performance and operational efficiency. The ME/IE Manager supports Operation’s business development effort with current and potential customers, and development / implementation of both site a global ME/IE strategies. Responsible for the establishment of optional manufacturing methods and processes for the organization’s production lines. Lead and motivate a large group of Engineers whose primary responsibility is to define and implement complete manufacturing processes. Provides ongoing review of the effective utilization of equipment, production methods, equipment layout, personnel, and material flow. Provide exceptional support to customers, team members, and shareholders. LOCATIONThis role will be based on-site at our Gurnee, IL facility. ESSENTIAL DUTIES AND RESPONSIBILITIES include the following. Other duties may be assigned. LEADERSHIP AND MANAGEMENT RESPONSIBILITIESRecruitment and Retention:· Recruit, interview and hire Industrial Engineers, Process, Manufacturing and Project Engineers.· Communicate criteria to recruiters for Industrial Engineers, Process, Manufacturing and Project Engineer position candidates.· Coach Industrial Engineering, Manufacturing and Process Engineering staff in the interviewing/hiring process.· Monitor team member turnover; identify key factors that can be improved; make improvements. Employee and Team Development:· Identify individual and team strengths and development needs on an ongoing basis.· Create and/or validate training curriculum in area of responsibility.· Coach and mentor Industrial Engineering staff to deliver excellence to every internal and external customer.· Create and manage succession plans for Industrial & Manufacturing Engineering function. Performance Management:· Establish clear measurable goals and objectives by which to determine individual and team results (i.e. operational metrics, results against project timelines, training documentation, attendance records, knowledge of operational roles and responsibilities, personal development goals).· Solicit ongoing feedback from Workcell Manager (WCM), Business Unit Manager (BUM), peers and team member on team member’s contribution to the Workcell team. Provide coaching and counseling to team member based on feedback.· Express pride in staff and encourage them to feel good about their accomplishments.· Perform team member evaluations professionally and on time.· Drive individuals and the team to continuously improve in key operational metrics and the achievement of the organizational goals.· Coordinate activities of large teams and keep them focused in times of crises.· Ensure recognition and rewards are managed fairly and consistently in area of responsibility. Communication· Provide communication forum for the exchange of ideas and information with the department.· Organize verbal and written ideas clearly and use an appropriate business style.· Ask questions; encourage input from team members· Assess communication style of individual team members and adapt own communication style accordingly. FUNCTIONAL MANAGEMENT RESPONSIBILITIESBusiness Strategy and Direction:· Know and understand Corporate, Campus and Global PE, IE, & ME tactical and strategic direction.· Define, develop and implement a Process Engineering & Industrial Engineering strategy which contributes to the campus strategic directions.· Develop an understanding of the Workcell business strategy as it pertains to Industrial & Process Engineering.· Provide regular updates to BUM, WCM, and Operations Manager on the execution of the strategy.· Manage technical support globally to sustain Corporate Intranet Site worldwide growth strategy as needed. Cost Management:· Identify creative ways to reduce cost by streamlining processes and systems (i.e. modification of responsibilities or consolidation of tasks, elimination of non-value-added processes, or complete re-engineering of processes and systems).· Utilize tools to monitor departmental cost and cost trends, striving continuously to improve value.· Provide feedback to peers (BUMs, WCMs, Functional Managers (FMs) on cost and cost trends. Forecast Development and Accuracy:· Prepare timely forecasts for the department.· Compare forward forecast results to historical actual results for trend assessment and analysis.· Anticipate future headcount requirements based on open Bays and projected business. TECHNICAL MANAGEMENT RESPONSIBILITIES· Drive continuous improvement through trend reporting analysis and metrics management.· Assess the adequacy of data gathering methods utilized by the workcells.· Assure that procedures and work instructions are efficient and not redundant.· Prepare quotes for new and potential customers.· Forecast future requirements and technical trends to drive gear suppliers in their technology roadmap.· Verify reconfiguration requirements and monitor line moves.· Lead equipment evaluations. Assure measurement criteria meet all Jabil site requirements worldwide.· Explore and monitor new processes and procedures to support customer’s expanding requirements on cutting edge technology and product densification.· Assist Project and Design Engineers with Design for Manufacturability issues.· Assure that procedures and work instructions are efficient and not redundant.· Utilize Jabil’s Advanced Engineering group to ensure useful support to Jabil South.· Establish new measurement systems if/where possible.· Offer new ideas and suggestions for improvement. Identify and implement new practices and processes that are “best in field.”· Drive the concept of an IE being an “Integration Engineer” that ensures everything works smoothly to guarantee efficient and high-quality processes that translate into high customer satisfaction and revenues for Jabil.· Demonstrate a commitment to customer service; anticipate, meet, and exceed expectations by solving problems quickly and effectively; making customer issues a priority.· Periodically “get down in the trenches” to rehabilitate troubled workcells or to help during product launch. Foster a “back to basics” mentality during these times. Lead by example; “walk the talk.”· Establish new measurement systems if/where possible.· Exchange knowledge and information with other Jabil facilities to ensure best practices are shared throughout the Jabil organization.· Ensure 100% adherence to all company policies and procedures (i.e. Health and Safety, Quality).· Ensure all sensitive and confidential information is handled appropriately.· Drive Lean Manufacturing in a consistent, structured manner throughout the campus.· Adhere to all safety and health rules and regulations associated with this position and as directed by supervisor.· Comply and follow all procedures within the company security policy. KNOWLEDGE, SKILLS, ABILITIES· Extensive knowledge of Manufacturing / Industrial Engineering philosophies and processes.· Proven track record in communication, leadership, business analysis, process development, administration, and change management. MINIMUM REQUIREMENTS· Bachelor’s degree in Industrial Engineering or related field preferred with 3-5 years of related experience in a manufacturing industry, which includes injection molding and/or tooling experience.· 2-3+ years of supervisory/people leadership experience.· Or equivalent combination of education and experience.

The ME/ IE Manager is the site technology leader of Jabils manufacturing processes and systems, which is designed to deliver superior performance and operational efficiency. The ME/ IE Manager supports Operations business development effort with Engineering Manager, Industrial Engineer, Manager, Operations Manager, Industrial Engineer, Process Engineer

Jabil Interview Questions

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Jabil Interview Questions

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