Model Systems Engineering Jobs in York, PA (NOW HIRING)

This position is a mid-level professional responsible for supporting the planning, design, permitting, and construction of water, wastewater, and related infrastructure projects. The Water/Wastewater Engineer II applies engineering principles, technical expertise, and project coordination skills to deliver high-quality engineering solutions that improve essential public infrastructure and support the communities we serve.

The Water/Wastewater Engineer II works closely with project managers, senior engineers, clients, regulatory agencies, contractors, and multidisciplinary teams to support successful project delivery while ensuring compliance with applicable standards and regulations. This role also provides opportunities for professional growth, increased project responsibility, and mentorship of junior staff.

• Assist with the planning, design, permitting, and execution of water and wastewater infrastructure projects from concept through construction and project closeout.
• Prepare engineering calculations, reports, specifications, construction plans, and technical documentation.
• Design water distribution systems, wastewater collection systems, pumping stations, storage facilities, treatment facilities, and related municipal infrastructure.
• Perform hydraulic modeling, system evaluations, feasibility studies, and engineering analyses to support project development.
• Prepare cost estimates, technical memorandums, and supporting project documentation.
• Coordinate permitting activities and assist with obtaining approvals from local, state, and federal regulatory agencies.
• Coordinate with project managers, clients, contractors, regulatory agencies, and internal project teams to support project delivery.
• Conduct field investigations, site visits, inspections, condition assessments, and construction observation activities as required.
• Provide construction phase services, including responding to Requests for Information (RFIs), reviewing shop drawings, evaluating change orders, and supporting construction administration.
• Review project documents for accuracy, completeness, and compliance with applicable standards and regulations.
• Support proposal preparation, scope development, client communications, and presentations.
• Provide guidance and technical support to Engineer I staff, interns, and CAD designers as needed.
• Any other duties, as necessary, to drive the vision, fulfill the mission, and uphold the values of the organization.

• Bachelor's degree in Civil Engineering, Environmental Engineering, or a related engineering field.
• Minimum of 3–6 years of relevant experience in water and wastewater engineering.
• Engineer-in-Training (EIT) certification required; Professional Engineer (PE) license preferred or ability to obtain within two years.
• Experience with municipal water and wastewater infrastructure projects.
• Strong understanding of water and wastewater engineering principles, design standards, and regulatory requirements.
• Experience preparing engineering reports, calculations, specifications, and construction documents.
• Proficiency in Microsoft Office Suite and engineering software such as AutoCAD Civil 3D, ArcGIS, and hydraulic modeling software (WaterGEMS, SewerGEMS, InfoWater, InfoSewer, or similar).
• Strong organizational, communication, project management, analytical, and problem-solving skills.
• Ability to work collaboratively within multidisciplinary project teams while managing multiple assignments and deadlines.
• Valid driver's license with an acceptable driving record.

• Ability to sit for prolonged periods while working at a computer workstation.
• Frequent use of hands and fingers for typing, data entry, and reviewing engineering documents.
• Ability to occasionally travel to project sites, client meetings, and field locations.
• Ability to lift and carry light materials or equipment (typically up to 20–25 pounds).
• Required to have close visual acuity to perform activities such as reviewing technical documents, drawings, engineering calculations, and models.
• Work environment consists primarily of office-based work with occasional field visits to project sites, treatment facilities, and construction areas.
• Field work may involve exposure to varying weather conditions, uneven terrain, construction activities, and operational facilities.
• Noise level in the work environment is typically moderate.
• May require occasional extended hours to meet project deadlines and client needs.

ARRO offers a comprehensive and competitive benefits package, including medical, dental, and vision insurance, 401(k) with company match, paid time off, paid holidays, tuition reimbursement, and professional development support. We are committed to supporting both the personal well-being and career growth of our employees.

The employee will be expected to report to an ARRO office on a regular basis in accordance with the established schedule. This position primarily involves office-based work with opportunities for field visits, client meetings, and hybrid work available upon meeting performance expectations and demonstrating an understanding of ARRO's processes, as approved by the supervisor