The Mannik & Smith Group, Inc. (MSG) is a people focused, award-winning, full-service consulting firm that offers a wide array of services including civil and geotechnical engineering, environmental consulting, planning, landscape architecture, agriculture, surveying and construction support. Our talented staff of more than 650+ professionals deliver integrated planning, design, engineering and construction solutions.

MSG is seeking a Senior Landfill Engineer to join our growing environmental and solid waste team. This role offers the opportunity to work on a wide variety of landfill permitting, design, construction, and operational support projects for municipal and private-sector clients across Ohio and surrounding states. Solid waste landfill design, permitting, and operational support for municipal and private landfill facilities.

Preparation of landfill permitting documents, construction plans, technical specifications, and certification reports. Construction oversight and construction quality assurance (CQA) monitoring for landfill facilities and related infrastructure. Support groundwater monitoring, explosive gas monitoring, stormwater management, and erosion control efforts.

Assist with landfill gas collection and control system design, including blowers, flares, and energy recovery systems. Coordinate with junior engineers and field staff on project assignments and construction activities. Collaborate with multidisciplinary engineering teams across Ohio offices.

Bachelor’s degree in Civil Engineering, Environmental Engineering, Geotechnical Engineering, or related engineering field required. Minimum 5 to 7+ years of experience in solid waste, landfill engineering, environmental consulting, site civil, or geotechnical engineering. Experience with Landfill Gas Management design and permitting.

Familiarity with groundwater monitoring, explosive gas monitoring, or environmental compliance programs. Experience with Ohio EPA solid waste regulations or similar state regulatory programs. Working knowledge of AutoCAD and Civil 3D.

Professional Engineer (PE) or Engineer Intern (EI/EIT) certification preferred. Strong technical writing and report preparation skills. Ability to manage multiple assignments and work collaboratively in a team environment.

401(k) w/ company match Health insurance w/ HSA option, Vision, Dental, Life Flexible schedule Paid time off Referral program Tuition reimbursement Catalytic Coaching - Employees draft a development plan aimed at improving contributions in their current job and increasing the potential for other opportunities. MSG is all about bringing out the best in people at work!

Equal Employment Opportunity

procedures in compliance with federal, state and local criteria. We will provide all applicants for employment, and all employees, with equal opportunity without regard to race, color, religion, national origin, age, sex, height, weight, marital status, arrest record, disability, pregnancy, sexual orientation, gender identity or expression, genetic information, military or veteran status, and/or any other protected classes covered by any local, state and federal laws.