Construction H-1B Sponsorship Jobs in Illinois
Construction H-1B visa sponsorship jobs in Illinois are concentrated in the Chicago metro, where major firms like Clayco, Power Construction, and Turner Construction regularly hire internationally for engineering and project management roles. Illinois also sees demand across infrastructure corridors in Rockford, Peoria, and Springfield, particularly for civil and structural engineering positions requiring specialized degrees.
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Get Access To All JobsINTRODUCTION
Lessen is the tech-enabled, end-to-end property service provider that is transforming how commercial and residential real estate services are delivered and managed at scale. Lessen’s technology platform provides data-driven insights that unlock key growth opportunities for the entire real estate ecosystem—including investors, owners, managers, and service providers. The company leverages a network of over 30,000 vetted, qualified vendors (Lessen Affiliates) serving clients with over 1 million properties and completing more than 3.5 million work orders annually across an expanding range of services. Lessen, LLC is a venture-backed, privately held company with offices in Scottsdale and Chicago.
The Machine Learning Engineer II role is part of the Technology Team, which is responsible for providing industry-leading machine learning-based tools or processes to the Company, which provide a competitive advantage and efficiency. You will work closely with cross-functional teams to build intelligent systems that solve real-world problems using machine learning, deep learning, and data science techniques.
ROLE AND RESPONSIBILITIES:
- Design, deploy, fine-tune, and evaluate large language models (LLMs); develop effective prompting strategies to optimize performance for various business use cases.
- Improve data quality by cleaning the company’s data and sourcing information from new data sources.
- Use machine learning/deep learning to enhance and automate processes in Lessen proprietary tools.
- Translate business problems into scalable AI/ML solutions, particularly using LLMs, in areas such as copilot systems, intelligent voice assistants, and work order processing optimization.
- Collaborate cross-functionally with teams to develop, refine, and scale data-driven procedures and workflows.
- Foster a positive team environment.
- Ensure confidentiality and integrity of internal and external data.
- Perform ad-hoc projects and other duties as assigned.
BASIC QUALIFICATIONS:
- PhD or Master’s degree in Math, Physics, Statistics, Computer Science, or other related fields
- 1-3 years of experience as a data scientist, working closely within a business
- Strong mathematical and statistical skills
- Programming Languages: SQL, Python
- Understanding of ETL tools and database architecture
- Familiarity with pytorch, pandas and cloud platform like AWS, Azure and GCP
- Prompt engineering experience
- Experience using a machine learning framework e.g. scikit-learn, pytorch or similar
- Experience with a statistical software (e.g. R, SAS)
- Experience with natural language processing
- Advanced knowledge of Data Warehousing and BI best practices
- Experience with big data tools such as Spark, Hadoop, etc.
- Experience with Tableau or Superset
PREFERRED QUALIFICATIONS:
These are the professional skills we would expect from an individual fully established in this role.
- Verbal Communication – Proficient
- Written Communication – Proficient
- Teamwork – Advanced
- Relationships – Advanced
- Organizational Awareness – Advanced
- Learning Agility – Advanced
- Analysis – Advanced
- Problem Solving – Advanced
- Process Orientation – Advanced
- Prioritization – Advanced
- Customer Service – Proficient
- Negotiation – Advanced
WHAT WE OFFER:
- Competitive compensation
- Health, Dental, Vision, Life, Disability options
- 401K retirement savings plan
- Paid vacation, federal and floating holidays
- Maternity/Paternity Pay
- Career advancement opportunities
- All the tools you'll need to be successful
Lessen is intentional about attracting, developing, and retaining amazing talent from diverse backgrounds. We’re looking for teammates that are enthusiastic, empathetic, curious, motivated, reliable, and will help us amplify the positive & inclusive culture we’ve been building. Lessen is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
INTRODUCTION
Lessen is the tech-enabled, end-to-end property service provider that is transforming how commercial and residential real estate services are delivered and managed at scale. Lessen’s technology platform provides data-driven insights that unlock key growth opportunities for the entire real estate ecosystem—including investors, owners, managers, and service providers. The company leverages a network of over 30,000 vetted, qualified vendors (Lessen Affiliates) serving clients with over 1 million properties and completing more than 3.5 million work orders annually across an expanding range of services. Lessen, LLC is a venture-backed, privately held company with offices in Scottsdale and Chicago.
The Machine Learning Engineer II role is part of the Technology Team, which is responsible for providing industry-leading machine learning-based tools or processes to the Company, which provide a competitive advantage and efficiency. You will work closely with cross-functional teams to build intelligent systems that solve real-world problems using machine learning, deep learning, and data science techniques.
ROLE AND RESPONSIBILITIES:
- Design, deploy, fine-tune, and evaluate large language models (LLMs); develop effective prompting strategies to optimize performance for various business use cases.
- Improve data quality by cleaning the company’s data and sourcing information from new data sources.
- Use machine learning/deep learning to enhance and automate processes in Lessen proprietary tools.
- Translate business problems into scalable AI/ML solutions, particularly using LLMs, in areas such as copilot systems, intelligent voice assistants, and work order processing optimization.
- Collaborate cross-functionally with teams to develop, refine, and scale data-driven procedures and workflows.
- Foster a positive team environment.
- Ensure confidentiality and integrity of internal and external data.
- Perform ad-hoc projects and other duties as assigned.
BASIC QUALIFICATIONS:
- PhD or Master’s degree in Math, Physics, Statistics, Computer Science, or other related fields
- 1-3 years of experience as a data scientist, working closely within a business
- Strong mathematical and statistical skills
- Programming Languages: SQL, Python
- Understanding of ETL tools and database architecture
- Familiarity with pytorch, pandas and cloud platform like AWS, Azure and GCP
- Prompt engineering experience
- Experience using a machine learning framework e.g. scikit-learn, pytorch or similar
- Experience with a statistical software (e.g. R, SAS)
- Experience with natural language processing
- Advanced knowledge of Data Warehousing and BI best practices
- Experience with big data tools such as Spark, Hadoop, etc.
- Experience with Tableau or Superset
PREFERRED QUALIFICATIONS:
These are the professional skills we would expect from an individual fully established in this role.
- Verbal Communication – Proficient
- Written Communication – Proficient
- Teamwork – Advanced
- Relationships – Advanced
- Organizational Awareness – Advanced
- Learning Agility – Advanced
- Analysis – Advanced
- Problem Solving – Advanced
- Process Orientation – Advanced
- Prioritization – Advanced
- Customer Service – Proficient
- Negotiation – Advanced
WHAT WE OFFER:
- Competitive compensation
- Health, Dental, Vision, Life, Disability options
- 401K retirement savings plan
- Paid vacation, federal and floating holidays
- Maternity/Paternity Pay
- Career advancement opportunities
- All the tools you'll need to be successful
Lessen is intentional about attracting, developing, and retaining amazing talent from diverse backgrounds. We’re looking for teammates that are enthusiastic, empathetic, curious, motivated, reliable, and will help us amplify the positive & inclusive culture we’ve been building. Lessen is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
H-1B Construction Job Roles in Illinois
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Search Construction Jobs in IllinoisConstruction H-1B Sponsorship Jobs in Illinois: Frequently Asked Questions
Which construction companies sponsor H-1B visas in Illinois?
Large general contractors and engineering firms with a significant Illinois presence, including Clayco, Turner Construction, Skanska, and AECOM, have filed H-1B visa Labor Condition Applications for construction-related roles. Infrastructure-focused firms working on Illinois DOT and Chicago Transit Authority projects also appear in Department of Labor disclosure data. Sponsorship activity tends to concentrate among firms large enough to maintain in-house immigration support.
Which cities in Illinois have the most construction H-1B sponsorship jobs?
Chicago accounts for the overwhelming majority of construction H-1B sponsorship activity in Illinois, driven by its dense concentration of commercial development, transit expansion, and corporate headquarters for major contractors. Rockford, Peoria, and the broader Metro East region near St. Louis see more limited but ongoing activity, primarily tied to infrastructure and public works projects rather than commercial construction.
What types of construction roles typically qualify for H-1B sponsorship?
H-1B sponsorship in construction is generally limited to specialty occupation roles requiring at least a bachelor's degree in a specific technical field. Civil engineers, structural engineers, geotechnical engineers, construction project managers with engineering degrees, and building information modeling (BIM) specialists are among the positions that commonly meet the specialty occupation standard. General site supervision, labor, and trades roles typically do not qualify.
How do I find construction H-1B sponsorship jobs in Illinois?
Migrate Mate filters job listings specifically by visa sponsorship type and industry, making it straightforward to browse construction roles in Illinois where employers have indicated H-1B sponsorship. Rather than sorting through general job boards and guessing at sponsorship availability, Migrate Mate surfaces verified H-1B opportunities in construction so you can focus your search on firms already open to sponsoring international candidates in Illinois.
Are there any Illinois-specific considerations for H-1B construction jobs?
Illinois requires licensed professional engineers (PEs) for certain construction and infrastructure roles, which adds a credentialing step beyond H-1B approval. International candidates may need to evaluate their path to Illinois PE licensure, which involves education verification and examination requirements. Projects tied to Illinois public funding may also carry additional compliance layers for employers, which can influence how firms approach sponsorship for those specific roles.
What is the prevailing wage for H-1B construction jobs in Illinois?
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.