The process at Hazen and Sawyer, what each stage actually tests, and how candidates prep. Real questions where we have them, likely questions where we don't.
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[01] BY THE NUMBERS
Pulled straight from Hazen and Sawyer's career page and public data sources. Linked figures open their source or a fuller breakdown.
Full Hazen and Sawyer company profile[02] INTERVIEW PROCESS
The stages below describe the typical SWE loop. Product, Design, and Data loops differ; pick a role to see how it changes, or jump straight to real questions reported for that role.
Initial call to discuss your background, the role, and logistics.
Coding and/or system design questions relevant to the role.
Questions about your past experiences, teamwork, and problem-solving.
[03] APPLY LOGISTICS
Hazen and Sawyer runs hiring on Adp, so the application form is hosted there. Keep your contact details and work history consistent with your resume.
Part of ADP's comprehensive HR platform, ADP Recruiting Management helps organizations streamline hiring from requisition to onboarding.
Sniper applies on Greenhouse, Workday, SmartRecruiters, Ashby, Lever, UKG Pro, JazzHR and Jobvite career sites, and Hazen and Sawyer hires through Adp, so the fastest route here is to get instant alerts when Hazen and Sawyer posts a new role and apply yourself while it is fresh.
ATS identified from the application URLs on Hazen and Sawyer's recent postings
[04] PEOPLE ALSO ASK
Scoutify currently lists 20 open roles at Hazen and Sawyer. Follow the job links to check requirements and apply on the employer's career site.
Yes, the Mid- to Senior-Level Instrumentation & Control Systems Engineer role in the Nashville, TN office is listed as hybrid.
[05] OVERVIEW
Tech company interviews typically include a mix of coding, system design, and behavioral rounds. The exact format varies by company size and role level.
[06] PREP TIPS
[07] PRACTICE
Use the requirements below to choose relevant examples from your work. For each example, explain the problem, your contribution and the result. Ask your recruiter which skills the interview will cover.
Practice reviewing a sample control drawing or calculation set for technical accuracy, constructability, and consistency. Note any coordination issues between disciplines.
The Mid to Senior Level Instrumentation & Control Systems Engineer role requires quality control reviews of technical deliverables with emphasis on accuracy, constructability, and interdisciplinary coordination.
Source postingReview how asset management strategies, maintenance optimization, and reliability engineering improve utility performance. Prepare a short example of using data to guide an operational decision.
The Principal Operations and Asset Management Consultant role calls for extensive experience in water utility operations, maintenance optimization, and asset management.
Source postingThe current posting asks for:
Bachelor’s or Master’s degree in engineering from an accredited engineering program.
10-15 years of progressively responsible engineering experience, including relevant I&C, controls, electrical, or industrial process experience.
Experience with instrumentation and control systems used in water/wastewater treatment or similar industrial process facilities.
Read the employer’s full posting · Posted 2026-10-19
The current posting asks for:
Bachelor's or Master’s degree in engineering from an accredited engineering program.
7 to 10 years of progressively responsible engineering experience, including relevant I&C, controls, electrical, or industrial process experience.
Experience with instrumentation and control systems used in water/wastewater treatment or similar industrial process facilities.
Read the employer’s full posting · Posted 2026-10-02
The current posting asks for:
Experience with Administration of ArcGIS Online or Enterprise is preferred
Experience working within a Helpdesk environment is preferred
Read the employer’s full posting · Posted 2026-09-30
Sources reviewed 2026-10-19.
[08] FAQ
These answers draw on current listings and the available sources for Hazen and Sawyer.
Scoutify currently lists 20 open roles at Hazen and Sawyer. Follow the job links to check requirements and apply on the employer's career site.
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