5 principal engineer jobs found in Columbus

T&M Associates is looking for a Principal Water Engineer to join our growing Columbus, Ohio office. This is a hybrid role, offering flexibility with a balance of remote work and in-office collaboration. We're seeking an experienced professional with 7+ years in water and wastewater planning, design, and construction administration, ready to lead impactful projects and guide multi-discipline teams. Qualifications Bachelor's degree in Civil, Environmental Engineering, or a related field (required) 7+ years of progressive experience in water/wastewater process, treatment, and distribution projects 2+ years of project management experience preferred Ohio Professional Engineer (PE) license strongly preferred Proficiency in AutoCAD and Civil3D desired MS Office and MS Project experience required Strong communication skills with proven ability to work with clients and cross-discipline teams Key Responsibilities Lead planning and design for municipal and industrial...

Job Posting End Date 04-05-2026 Please note the job posting will close on the day before the posting end date. Job Summary The Designer Principal supports gas, coal, and renewable retrofit and new generation self build projects by defining and overseeing design execution to meet Engineering Services design basis. Working with AE/EPC partners and senior I&C, Mechanical, and Electrical engineers, this role leads detailed drawing and 3D model reviews to optimize constructability, operability, maintainability, and safety (COMS); ensures designs follow EPC/technical specifications and Engineering Services standards; and provides design support through construction, commissioning, and closeout. The Designer Principal also coordinates stakeholder reviews, OEM engagement, and document management across the project portfolio. Job Description Key Responsibilities Lead development, review, and approval of design drawings, schematics, and 3D models for major retrofit and...

Job Posting End Date 04-05-2026 Please note the job posting will close on the day before the posting end date. Job Summary The Designer Sr. produces and reviews design drawings, schematics, and documentation for gas, coal, and renewable retrofit and new generation projects. Working under the direction of the Designer Principal or engineering leads, the role applies Engineering Services standards and EPC specifications to create accurate, constructible designs, supports vendor/OEM submittal reviews, and provides field design support during construction and commissioning. The Designer Sr. participates in stakeholder design reviews, contributes to document control and as built deliverables, and helps ensure designs meet requirements for constructability, operability, maintainability, and safety (COMS). Job Description Key Responsibilities Produce and revise detailed engineering drawings, schematics, and 3D model elements for mechanical, civil, structural, and electrical...

Job Summary Design and install systems that will allow the company to measure, monitor, and control the flow of gas at company facilities and provide support to Operations in the maintenance of those facilities. Drive operational excellence and standardization through continuous improvement efforts and effective partnerships across NiSource. Ensure that work is in accordance with all applicable company and regulatory requirements while ensuring safe, reliable service to customers in an efficient and economical manner. This role is open to candidates within the Ohio NiSource service territory. Candidates must reside within 50 miles of the designated work location to be considered. Essential Functions Provide training and guidance to new and less experienced I&C personnel. Develop equipment replacement strategies and design gas measurement, monitoring, control, and field SCADA systems, along with associated software programming, in conformance with Company Standards,...

Established in 1900, Mead & Hunt is a nationally recognized professional services consulting firm. Our planning, design and construction services are available to clients across a wide variety of sectors. From architecture, food/beverage processing, and federal transportation, water infrastructure and more, our unique methodologies deliver innovative, cost-effective solutions that elevate clients and communities. Here at Mead & Hunt, our culture is about taking care of people, doing the right thing, and doing what makes sense. We are a flexible company that believes in giving back to our communities. We are employee-owned and support initiatives through our various employee programs. We invest in our employees and build relationships that last. Mead & Hunt is looking for an Entry-Level Civil Engineer to join our Transportation group. Responsibilities include: Field observations of roadway conditions and data collection Roadway design modeling (Open Roads...