Mid Level Scientist Engineer Jobs
Mid level scientist engineer jobs go to professionals ready to take full ownership of experiments and development cycles, guide junior colleagues, and make technical calls with minimal supervision. Openings are spread across on-site, hybrid, and remote settings in Science & Research, Consulting & Professional Services, and Artificial Intelligence, with employers like OpenAI, Scale AI, and GSI Environmental hiring at this level now.
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Langan provides expert land development engineering and environmental consulting services for major developers, renewable energy producers, energy companies, corporations, healthcare systems, colleges/universities, and large infrastructure programs throughout the U.S. and around the world. Our employees collaborate seamlessly among 50+ offices and gain valuable hands-on experience that fosters career growth. Langan culture is entrepreneurial from advancing innovative technical solutions, to participating in robust training and knowledge sharing, to making progressive change within the communities we live and work.
Consistently ranked among the top ten "Best Firms to Work For" and Engineering News-Record's top 50 firms worldwide, Langan attracts and retains the best talent in the industry. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.
Job Summary
Langan is seeking a Senior Staff Environmental Engineer, Scientist or Geologist to join its collaborative team in Pittsburgh, PA or Cleveland, OH, Columbus, OH, or Cincinnati, OH. This individual will serve a key function in providing site exploration activities, including soil borings and monitoring well installations; conducting field tests; collecting field data and samples; monitoring construction sites; and compiling data and preparing reports. In this role, you will have the opportunity to work on diverse projects, solve problems and overcome challenges in restoring the environment and returning blighted properties to productive re-use while protecting and enhancing the environment. The position encourages learning, growth, creativity, flexibility, and collaboration in a team environment.
Job Responsibilities
- Assist with the planning and execution of field investigations by performing field tests, collecting samples, collecting and recording data, and performing routine calculations;
- Monitor complex construction projects by taking various tests to evaluate whether contractor or subcontractor has complied with job specifications;
- Collect soil, soil vapor, indoor and ambient air, sediment, surface water, and groundwater samples;
- Assist with acquisition of and compliance with regulatory agency permits to support site investigation and remediation;
- Review and interpret environmental, geological, and historical records to support environmental due diligence;
- Prepare a variety of standard logs and field forms (such as drilling logs, field investigation dailies, and chain of custody logs);
- Identify and implement solutions to both routine and more complex field problems and document them accurately, keeping project manager informed or problems encountered during work assignments;
- Lead tasks associated with the preparation and modification of various engineering documents including reports, specifications, plans, cost estimates and designs for projects;
- Perform and manage tasks within specific budgets and schedules. May track task and project budgets;
- Interact in a professional manner with client and subcontractor representatives in close collaboration with supervisor;
- Supervise or coordinate the work of staff engineers, interns and others who assist in specific assignments as needed; and
- Perform other duties as requested.
Qualifications
- Bachelor's degree in Environmental Science, Environmental Engineering, Geology or Hydrogeology;
- 4+ years of related experience in contaminated sites investigation, engineering feasibility studies, remedial and mitigation system design and construction oversight;
- Experience conducting Phase I and II environmental site assessment including drilling observation, sampling, well installation, construction/remediation oversight;
- In-depth knowledge and understanding of state and federal environmental regulations (including CERCLA and RCRA);
- Experience working with state regulatory agencies;
- Excellent written and verbal communication skills;
- Strong attention to detail with excellent analytical, multitasking, and judgment capabilities;
- Ability to effectively work independently and in a team environment;
- Availability to work overtime as needed; and
- Travel may be required based on business needs and project assignments. Travel requirements may vary by position and may change based on business needs.
Langan provides a rich array of programs and benefits to help its employees advance their careers and enhance the quality of their lives. Our comprehensive compensation package includes: full-time employment company paid medical, dental, and vision coverage; life insurance, short- and long-term disability insurance, and paid pregnancy disability leave; 401(k)/Roth with company match; paid time off including parental and military leave; employee referral and professional license bonuses; and educational reimbursement.
Langan offers employee resource groups; flexible work schedules; extensive training; wellness programs; buddy and mentoring programs; and much more!
Langan is committed to providing equal employment opportunities to all qualified applicants and employees, including individuals with disabilities and protected veterans. We believe that an inclusive workplace is essential for the well-being and success of our employees.
Please review our Applicant Privacy Notice at Collection to understand how we collect, use, and retain your personal information: https://www.langan.com/langan-notice-at-collection
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Top Industries Hiring
- Science & Research
- Consulting & Professional Services
- Artificial Intelligence
- Biotechnology & Pharmaceuticals
- Medical Devices
Mid Level Scientist Engineer Jobs: Frequently Asked Questions
How do I get a mid level scientist engineer job?
Position yourself around ownership, not just contribution. Highlight projects where you led the technical direction, resolved ambiguous problems independently, or delivered measurable results with limited guidance. Tailor your resume to show depth in a specific domain, such as materials characterization, process development, or systems integration, and make your decision-making process visible in your application materials.
Which companies hire mid level scientist engineers?
Companies hiring mid level scientist engineers right now include OpenAI, Scale AI, and GSI Environmental, based on current listings on Migrate Mate as of November 2026. Hiring at this level comes from a mix of large research-driven enterprises, government contractors, and specialized technology firms that need engineers who can run projects with real autonomy.
Are there remote mid level scientist engineer jobs?
Yes, though availability depends on the role's lab or hardware requirements. About 15% of mid level scientist engineer openings are remote or hybrid as of November 2026, concentrated in areas like data analysis, computational modeling, and software-adjacent engineering work where lab access is not a daily necessity.
How do I move up to a mid level scientist engineer role?
Moving from entry level to mid level takes deliberate depth-building over your first few years. Focus on owning a full project cycle from design through validation, earning trust to work with less oversight, and demonstrating impact through quantified outcomes. Picking up a specialization, mentoring newer colleagues informally, and contributing to cross-functional decisions all signal readiness for mid level responsibility.
Which industries hire the most mid level scientist engineers?
Mid Level scientist engineer roles concentrate in Science & Research, Consulting & Professional Services, and Artificial Intelligence, based on current listings on Migrate Mate as of November 2026. These sectors drive hiring at this level because they depend on professionals who can bridge early research or prototype work and move it toward scalable, production-ready outcomes with limited senior oversight.