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Azimuth corporation Interview Questions

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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

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?

Azimuth corporation Salaries by Position

<h3>Job Description</h3><div>Job Description<div>Azimuth Corporation is seeking a talented Meta Optics Research Scientist to carry out meta-optics R&D at the Materials and Manufacturing Directorate (RX), Air Force Research Laboratory (AFRL), Wright-Patterson Air Force Base, OH. This research position resides within the Optical Coatings group of the Photonic Materials Branch (RXEP). At the broadest level, meta-optics research within AFRL/RXEP plans, directs, and carries out in-house and extramural R&D of materials-based technologies with an emphasis in functional optical coating applications.Responsibilities for this role include, but are not limited to, the following:<ul><li>Focus on the development, fabrication, and comprehensive characterization of advanced meta-optics.</li><li>Conduct experimental fabrication and characterization of emergent optical coating technologies in conjunction with existing in-house capabilities.</li><li>Hands-on experience involving the fabrication of optical metasurfaces is required.</li><li>Exceptional teamwork and communication skills are also required for this position.</li></ul>Minimum Qualifications<ul><li>PhD in Physics, Chemistry, Materials Science & Engineering, Chemical Engineering, or closely related science, engineering, or mathematics field.</li><li>PhD entry level or 0-3 years of professional research experience post PhD.</li><li>Proven track record in designing and/or fabricating optical metasurfaces.</li><li>Strong understanding of electromagnetic theory, photonics, and optics.</li><li>Excellent technical communication skills as demonstrated by research conference presentations and peer-reviewed publications.</li><li>Experience with clean room fabrication techniques, including direct write lithography, e-beam lithography, nanoimprinting, or thin film deposition.</li><li>Experience with experimental optical characterization of thin films or metasurfaces (e.g., UV/Vis/NIR and FTIR spectrophotometry, polarization-dependent spectrophotometry, temperature-dependent spectrophotometry, spectroscopic ellipsometry, etc.).</li><li>Experience with compositional, morphological, or topological experimental characterization of optical thin films or metasurfaces (e.g., XPS, XRD, XRR, AFM, SEM, TEM, etc.).</li><li>Ability to be self-motivated, work independently, and seamlessly engage in proficient collaborative teamwork dynamics.</li><li>Ability to obtain and maintain an Active Security Clearance (U.S. citizenship required)</li></ul>Desired Qualifications<ul><li>Experience with physical vapor deposition such as magnetron sputtering, pulsed laser deposition, e-beam evaporation, or thermal evaporation.</li><li>Experience with LabVIEW, MATLAB, Python, or Mathematica and associated coding languages.</li><li>Experience deducing structure-property-processing relationships of thin films and optical coating systems through systematic design of experiments.</li><li>Familiarity with numerical simulation tools for electromagnetic modeling and design optimization (e.g., COMSOL, Lumerical FDTD, Lumerical HEAT, etc.).</li><li>Familiarity with machine learning or artificial intelligence techniques for optical design.</li><li>Ability to research, learn, and devise new experimental techniques or technical concepts.</li></ul>Physical Requirements / Travel<ul><li>Must be able to work in a laboratory environment and lift or carry up to 25 lbs.</li><li>Must be able to work in an office environment at a desk using a computer, keyboard, and mouse.</li><li>May travel up to 10% of the year to attend research conferences, program reviews, industry meetings, or other collaborative events. Most or all requisite travel will be in the CONUS (Continental United States).</li><li>Hybrid on-site and local remote telework scheduling options available.</li></ul>Company Overview Azimuth is an award-winning Woman Owned Small Business specializing in providing research and development and professional services support to the federal government. Azimuth's agility, customer driven approach and our commitment to our employees allows us to meet and exceed our client goals. Excellence, Integrity, Accountability, Community and Humility are the core values of Azimuth as we continue to strive as a recognized leader in the management consulting community that both federal agencies and industry partners value doing business with. We are an organization that offers both our employees and clients an exceptional experience; our culture will be contagious, while always maintaining a genuine reputation.Disclaimer The above information on this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Azimuth Corporation does not discriminate in employment on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non-merit factor.</div></div>

Azimuth Corporation is seeking a Jr. Data Scientist, in support of a Government Customer in Arlington, VA. The ideal candidate will design, configure, develop, test, and support informatics and data science solutions for a wide array of technical use cases. *This position is contingent upon contract award* Responsibilities for this role include, but are not limited to, the following: <ul> <li>Apply analytical methodologies to diagnose data-related challenges, implement solutions, and evaluate performance.</li> <li>Document and present requirements, design alternatives, and findings to team members and clients.</li> <li>Ability to develop strategic, baselined, data modeling processes; ability to accurately determine cause-and-effect relationships.</li> <li>Experience with integrated development environments, data integration, data visualization, data mining, and analysis tools.</li> <li>Maintain and guide the development of common libraries and tools used by multiple teams.</li> <li>Aid in formulating a strategy on how to achieve rapid prototyping.</li></ul> Minimum Qualifications <ul> <li>Bachelor's degree plus 1-3 years of experience, or a Masters Degree plus 1-3 years of experience.</li> <li>Experience with ML fields, e.g., natural language processing, computer vision, statistical learning theory.</li> <li>Experience in an ML engineer or data scientist role building ML models.</li> <li>Experience writing code in Python, R, Scala, Java, C++ with documentation for reproducibility.</li> <li>Experience handling terabyte size datasets, diving into data to discover hidden patterns, using data visualization tools, writing SQL, and working with GPUs to develop models; and</li> <li>Experience writing and speaking about technical concepts to business, technical, and lay audiences and giving data-driven presentations.</li> <li>Active Secret Clearance </li></ul> Physical Requirements / Travel <ul> <li>Must be able to work in an office environment at a desk and computer.</li> <li>May travel ~10% to conferences, program reviews, industry meetings, or other collaborative events. Most or all travel would be CONUS.</li></ul> Company Overview Azimuth is an award-winning Woman Owned Small Business specializing in providing research and development and professional services support to the federal government. Azimuth's agility, customer driven approach and our commitment to our employees allows us to meet and exceed our client goals. Excellence, Integrity, Accountability, Community and Humility are the core values of Azimuth as we continue to strive as a recognized leader in the management consulting community that both federal agencies and industry partners value doing business with. We are an organization that offers both our employees and clients an exceptional experience; our culture will be contagious, while always maintaining a genuine reputation. Disclaimer The above information on this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Azimuth Corporation does not discriminate in employment on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non-merit factor.

<h3>Job Description</h3><div>Job Description<div>Azimuth Corporation is seeking a qualified Thin Films & Optical Coatings Research Scientist to carry out R&D at the Materials and Manufacturing Directorate (RX) at the Air Force Research Laboratory (AFRL) located within Wright-Patterson Air Force Base, OH. This research position resides within the Optical Coatings group of the Photonic Materials Branch (RXEP). At the broadest level, optical coatings research within AFRL/RXEP plans, directs, and carries out in-house and extramural R&D of materials-based technologies with an emphasis in functional optical coating applications.Responsibilities for this role include, but are not limited to, the following:<ul><li>Focus on the development, fabrication, and comprehensive characterization of advanced thin film optical coatings.</li><li>Conduct experimental fabrication and characterization of emergent optical coating technologies in conjunction with existing in-house capabilities.</li><li>Hands-on experience involving physical vapor deposition methodologies is mandatory.</li><li>Exceptional teamwork and communication skills.</li></ul>Minimum Qualifications<ul><li>PhD in Physics, Chemistry, Materials Science & Engineering, Chemical Engineering, or closely related science, engineering, or mathematics field.</li><li>PhD entry level or 0-3 years of professional research experience post PhD.</li><li>Excellent technical communication skills as demonstrated by research conference presentations and peer-reviewed publications.</li><li>Ability to be self-motivated, work independently, and seamlessly engage in proficient collaborative teamwork dynamics.</li><li>Experience with physical vapor deposition such as magnetron sputtering, pulsed laser deposition, e-beam evaporation, or thermal evaporation.</li><li>Experience with experimental optical characterization of thin films or metasurfaces (e.g., UV/Vis/NIR and FTIR spectrophotometry, polarization-dependent spectrophotometry, spectroscopic ellipsometry, etc.).</li><li>Experience with compositional, morphological, or topological experimental characterization of thin films or metasurfaces (e.g., XPS, XRD, XRR, AFM, SEM, TEM, etc.).</li><li>Ability to obtain and maintain an Active Security Clearance (U.S. citizenship required)</li></ul>Desired Qualifications<ul><li>Experience with temperature-dependent characterization of thin film materials.</li><li>Experience with magnetron sputtering techniques including DCMS, PDCMS, HiPIMS, and reactive ion sputtering methods thereof.</li><li>Experience with LabVIEW, MATLAB, Python, or Mathematica and associated scripting languages.</li><li>Experience deducing structure-property-processing relationships of thin films and optical coating systems through systematic design of experiments.</li><li>Ability to research, learn, and devise new experimental techniques or technical concepts.</li></ul>Physical Requirements / Travel<ul><li>Must be able to work in a laboratory environment and lift or carry up to 25 lbs.</li><li>Must be able to work in an office environment at a desk using a computer, keyboard, and mouse.</li><li>May travel up to 10% of the year to attend research conferences, program reviews, industry meetings, or other collaborative events. Most or all requisite travel will be in the CONUS (Continental United States).</li><li>Ability to research, learn, and devise new experimental techniques or technical concepts.</li></ul>Company Overview Azimuth is an award-winning Woman Owned Small Business specializing in providing research and development and professional services support to the federal government. Azimuth's agility, customer driven approach and our commitment to our employees allows us to meet and exceed our client goals. Excellence, Integrity, Accountability, Community and Humility are the core values of Azimuth as we continue to strive as a recognized leader in the management consulting community that both federal agencies and industry partners value doing business with. We are an organization that offers both our employees and clients an exceptional experience; our culture will be contagious, while always maintaining a genuine reputation.Disclaimer The above information on this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Azimuth Corporation does not discriminate in employment on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non-merit factor.</div></div>

Azimuth Corporation is seeking a talented Software Engineer to support R&D activities at the Materials and Manufacturing Directorate (RX), Air Force Research Laboratory (AFRL), Wright-Patterson Air Force Base, OH. This research position resides within the Optical Coatings group of the Photonic Materials Branch (RXEP). At the broadest level, optical coatings research within AFRL/RXEP plans, directs, and carries out in-house and extramural R&D of materials-based technologies with an emphasis in functional optical coating applications. Responsibilities for this role include, but are not limited to, the following: <ul> <li>Collaboration with research scientists and engineers to design, develop, and maintain software solutions for deposition equipment control, optical coating characterization, data management, and online database integration.</li> <li>Your work will directly impact cutting-edge research in optical coatings and their applications for the Department of Defense.</li> <li>Exceptional teamwork and communication skills are required for this position.</li></ul> Minimum Qualifications <ul> <li>Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.</li> <li>Entry level or 0-2 years of software development experience, preferably in a research or scientific environment.</li> <li>Proficiency in high-level programming language such as, but no limited to, Python, C++, Java, MATLAB, or R. Experience with multiple languages is preferred.</li> <li>Experience with API development and integration.</li> <li>Familiarity with database design and management (e.g., SQL or NoSQL) and ability to create, query, and optimize databases to support research data and analysis.</li> <li>Strong problem-solving and analytical skills.</li> <li>Excellent communication and teamwork abilities.</li> <li>Experience with data visualization and analysis tools.</li> <li>Interest in scientific research and development.</li> <li>Must be able to work independently and as part of a team.</li> <li>Ability to adapt to changing research priorities.</li> <li>Ability to obtain and maintain an Active Security Clearance (U.S. citizenship required)</li></ul> Physical Requirements / Travel <ul> <li>Must be able to work in a laboratory environment and lift or carry up to 25 lbs.</li> <li>Must be able to work in an office environment at a desk using a computer, keyboard, and mouse.</li> <li>May travel up to 5% of the year in support of research conferences, program reviews, industry meetings, or other collaborative events. Most or all requisite travel will be in the CONUS (Continental United States).</li> <li>Hybrid on-site and local remote telework scheduling options available</li></ul> Company Overview Azimuth is an award-winning Woman Owned Small Business specializing in providing research and development and professional services support to the federal government. Azimuth's agility, customer driven approach and our commitment to our employees allows us to meet and exceed our client goals. Excellence, Integrity, Accountability, Community and Humility are the core values of Azimuth as we continue to strive as a recognized leader in the management consulting community that both federal agencies and industry partners value doing business with. We are an organization that offers both our employees and clients an exceptional experience; our culture will be contagious, while always maintaining a genuine reputation. Disclaimer The above information on this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Azimuth Corporation does not discriminate in employment on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non-merit factor.

Azimuth corporation Interview Questions

Azimuth corporation Interview Guides

Azimuth corporation Interview Questions

Azimuth corporation Salaries by Position

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