Data Science Engineer Visa Sponsorship Jobs in Connecticut
Connecticut's data science engineer job market centers on Stamford's finance and insurance sector, Hartford's insurance giants like Aetna and The Hartford, and biotech clusters along the I-95 corridor. United Technologies, Cigna, and several hedge funds in Fairfield County regularly hire data science engineers and have established visa sponsorship programs for international candidates.
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Get Access To All JobsPrimary Duties & Responsibilities
- Work closely with domain experts to support assigned analytics and data science projects.
- Collect, clean, preprocess, and validate structured and unstructured datasets from multiple sources such as log parsing, text file parsing, instrument data streams and existing databases, etc.
- Perform exploratory data analysis (EDA) to identify trends, patterns, and anomalies.
- Create technical documentation, reports, and presentations summarizing findings, insights, and recommendations.
- Assist with selection, evaluation, and setup of data science tools, libraries, and computing resources.
- Follow best practices for data governance, version control, and reproducible research.
- Collaborate within a cross-functional team environment and contribute to continuous improvement initiatives.
Education & Experience
- B.S. preferred, working towards a graduate degree in Optical Engineering, Laser Physics, Mechatronics, Mechanical Engineering, Computer Science, Data Science, Electrical Engineering, or related fields. Excellent final year BS students will be considered.
- Relevant coursework or extracurricular experience in Data science is a plus. Open to currently enrolled students or those who have graduated within one year of the internship start date.
Skills & Other Requirements
- Programming experience in C#, Python, R, or similar languages.
- Familiarity with data analysis libraries such as pandas, NumPy, SciPy, scikit-learn, or equivalent.
- Expert knowledge of SQL DB and relational databases.
- Understanding basic statistical concepts and machine learning techniques.
- Experience with Jupyter notebooks, Git/version control.
- Familiarity with Microsoft Azure cloud infrastructure is a plus.
- Familiarity with diagnostic and signal acquisition tools such as oscilloscopes, signal generators, ADC and data acquisition systems.
- The ideal candidate will be an enthusiastic self-starter who takes ownership of commitments and enjoys working in a dynamic collaborative team environment.
- Excellent written and verbal communication.
- Team-oriented but able to work independently when needed.
- Adaptable and eager to learn in a fast-paced environment.
- Attention to detail and time management.
Additional Information
- Internship Duration: 10 – 14 weeks.
- At Coherent, interns are valued members of our team and have the opportunity to make meaningful contributions from day one. In addition to hands-on project experience, our internship program includes opportunities to connect with fellow interns and colleagues across the organization through virtual and in-person networking events, team-building activities and more. Interns are expected to actively participate in these events as part of their professional development and to fully immerse themselves in our collaborative and innovative culture.
Working Conditions
- This role will be based on site in Bloomfield, CT.
- Regular use of a computer and other office equipment is necessary.
- On site in engineering/optics laboratory.
Physical Requirements
- Sitting for extended periods while working on a computer or in meetings.
- Use of hands and fingers for typing, writing, and handling documents.
- Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
- Ability to communicate verbally and in writing.
Safety Requirements
All employees are required to follow the site EHS procedures and Coherent Corp. EHS standards.
Quality & Environmental Responsibilities
Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.
Culture Commitment
Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:
- Integrity – Create an Environment of Trust
- Collaboration – Innovate Through the Sharing of Ideas
- Accountability – Own the Process and the Outcome
- Respect – Recognize the Value in Everyone
- Enthusiasm – Find a Sense of Purpose in Work
Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.
If you need assistance or an accommodation due to a disability, you may contact us at talentacquisition@coherent.com.
About us
Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!
Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.
Primary Duties & Responsibilities
- Work closely with domain experts to support assigned analytics and data science projects.
- Collect, clean, preprocess, and validate structured and unstructured datasets from multiple sources such as log parsing, text file parsing, instrument data streams and existing databases, etc.
- Perform exploratory data analysis (EDA) to identify trends, patterns, and anomalies.
- Create technical documentation, reports, and presentations summarizing findings, insights, and recommendations.
- Assist with selection, evaluation, and setup of data science tools, libraries, and computing resources.
- Follow best practices for data governance, version control, and reproducible research.
- Collaborate within a cross-functional team environment and contribute to continuous improvement initiatives.
Education & Experience
- B.S. preferred, working towards a graduate degree in Optical Engineering, Laser Physics, Mechatronics, Mechanical Engineering, Computer Science, Data Science, Electrical Engineering, or related fields. Excellent final year BS students will be considered.
- Relevant coursework or extracurricular experience in Data science is a plus. Open to currently enrolled students or those who have graduated within one year of the internship start date.
Skills & Other Requirements
- Programming experience in C#, Python, R, or similar languages.
- Familiarity with data analysis libraries such as pandas, NumPy, SciPy, scikit-learn, or equivalent.
- Expert knowledge of SQL DB and relational databases.
- Understanding basic statistical concepts and machine learning techniques.
- Experience with Jupyter notebooks, Git/version control.
- Familiarity with Microsoft Azure cloud infrastructure is a plus.
- Familiarity with diagnostic and signal acquisition tools such as oscilloscopes, signal generators, ADC and data acquisition systems.
- The ideal candidate will be an enthusiastic self-starter who takes ownership of commitments and enjoys working in a dynamic collaborative team environment.
- Excellent written and verbal communication.
- Team-oriented but able to work independently when needed.
- Adaptable and eager to learn in a fast-paced environment.
- Attention to detail and time management.
Additional Information
- Internship Duration: 10 – 14 weeks.
- At Coherent, interns are valued members of our team and have the opportunity to make meaningful contributions from day one. In addition to hands-on project experience, our internship program includes opportunities to connect with fellow interns and colleagues across the organization through virtual and in-person networking events, team-building activities and more. Interns are expected to actively participate in these events as part of their professional development and to fully immerse themselves in our collaborative and innovative culture.
Working Conditions
- This role will be based on site in Bloomfield, CT.
- Regular use of a computer and other office equipment is necessary.
- On site in engineering/optics laboratory.
Physical Requirements
- Sitting for extended periods while working on a computer or in meetings.
- Use of hands and fingers for typing, writing, and handling documents.
- Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
- Ability to communicate verbally and in writing.
Safety Requirements
All employees are required to follow the site EHS procedures and Coherent Corp. EHS standards.
Quality & Environmental Responsibilities
Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.
Culture Commitment
Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:
- Integrity – Create an Environment of Trust
- Collaboration – Innovate Through the Sharing of Ideas
- Accountability – Own the Process and the Outcome
- Respect – Recognize the Value in Everyone
- Enthusiasm – Find a Sense of Purpose in Work
Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.
If you need assistance or an accommodation due to a disability, you may contact us at talentacquisition@coherent.com.
About us
Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!
Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.
Data Science Engineer Job Roles in Connecticut
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Search Data Science Engineer Jobs in ConnecticutData Science Engineer Jobs in Connecticut: Frequently Asked Questions
Which companies sponsor visas for data science engineers in Connecticut?
Insurance and financial services employers lead sponsorship activity in Connecticut. Aetna, Cigna, The Hartford, and Webster Bank have consistent H-1B filing histories for data science engineering roles. Stamford-based hedge funds and asset managers also sponsor, as do defense contractors like Raytheon Technologies in the Groton and East Hartford areas. Sponsorship frequency varies by hiring cycle and business need, so patterns shift year to year.
Which visa types are most common for data science engineer roles in Connecticut?
The H-1B is the most common visa for data science engineers in Connecticut, given that the role typically requires at least a bachelor's degree in computer science, statistics, or a related field, meeting the specialty occupation standard. Candidates with a master's or PhD from a Connecticut university may be eligible for the H-1B advanced degree exemption. OPT and STEM OPT extensions are also widely used by recent graduates before transitioning to H-1B sponsorship.
Which cities in Connecticut have the most data science engineer sponsorship jobs?
Stamford generates the highest concentration of data science engineer sponsorship activity, driven by its dense cluster of financial services firms and corporate headquarters. Hartford follows closely, anchored by major insurance carriers. New Haven has a smaller but growing presence tied to Yale University's research ecosystem and affiliated biotech companies. Bridgeport and Norwalk along the I-95 corridor also see occasional postings from mid-size technology and financial firms.
How to find data science engineer visa sponsorship jobs in Connecticut?
Migrate Mate filters job listings specifically for roles offering visa sponsorship, which saves time compared to manually reviewing individual postings. For data science engineer roles in Connecticut, searching by state on Migrate Mate surfaces employers with active sponsorship programs in insurance, finance, and biotech, the three dominant hiring sectors in the state. Combining location and role filters on Migrate Mate gives a focused view of available opportunities without sorting through non-sponsoring employers.
Are there state-specific factors data science engineers should know before pursuing sponsorship in Connecticut?
Connecticut's prevailing wage requirements under the H-1B program reflect the cost of living in Fairfield County, one of the more expensive regions in the Northeast, which means employers must meet federally calculated wage floors that tend to be higher than in lower-cost states. Candidates coming through Connecticut university pipelines at Yale, UConn, or Fairfield University often have employer relationships that ease the sponsorship process, though no outcome is guaranteed.
What is the prevailing wage for sponsored data science engineer jobs in Connecticut?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.
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