Highway Principal Engineer - Stormwater at Larson Design Group – Harrisburg, Pennsylvania

About Us

Larson Design Group (LDG) is an award-winning, employee-owned Architecture, Engineering, and Consulting Firm. Guided by our core values, we’re expanding our team, opening new offices, and adding new offerings to provide responsive, innovative solutions to clients nationwide.

Being 100% employee-owned directly impacts our culture: it drives our decision-making, motivates our teams, increases our productivity, improves retention, and contributes to the future success of our company. Our culture is one where we work hard for our clients and for each other – and we have fun collaborating, sharing experience and expertise, and learning along the way. We’re passionate about delivering exceptional quality, elevating client relationships, enriching the careers and lives of our employee owners, and enhancing the communities where we live and serve.

At LDG, we strive to create an organization where people want to work. We offer a flexible work environment, paid training for required licensures, competitive benefits, bonus plans, and a company-funded Employee Stock Ownership Plan (ESOP) while supporting your professional and personal growth.

Your Opportunity + Impact

The Engineer functions as a technical leader and is required to have a Professional Engineer (PE) license and commensurate work experience. This position will coordinate overall design activities, project submission schedules, and will be responsible for additional Quality Assurance and Quality Control duties to help ensure the final products meet the technical requirements and goals of the client.

Key Responsibilities

• Perform hydrologic/hydraulic modeling (e.g., HEC-RAS, StormCAD), calculate drainage systems, design stormwater best management practices, prepare reports, plans, and permitting documents.
• Experience preparing E&SC and PCSM plans and permitting packages in compliance with PennDOT and DEP standards.
• Perform independent planning and design tasks, review the work of others, prepare construction documents, and successfully deliver projects to completion.
• Work on technically complex projects and apply advanced knowledge to resolve challenges.
• Maintain collaborative inter-departmental and cross-functional working relationships with members of the project team.
• Conduct initial QA/QC reviews of project submissions to ensure compliance with client requirements and technical standards.
• Assist senior management in developing schedules, technical proposals, and labor hour estimates.
• Work closely with project teams to effectively communicate and deliver the scope of work.
• Promote, utilize, and support quality assurance and quality control processes to enhance deliverables and reduce design errors or omissions.
• Perform and verify design calculations, develop technical specifications, and prepare cost estimates.
• Develop and manage design budgets for routine scopes of work.

Education and Experience

• Education: Bachelor’s or Master’s Degree in position relevant Engineering field from ABET accredited school, Landscape Architecture, or related field of study.
• Experience: Minimum of five (5) years’ job-related experience.
• Experience: Minimum of three (3) years’ stormwater design experience preferably on PennDOT and/or PA Turnpike projects.
• Licensure/Certification: Professional Engineer (PE) required.

Preferred Qualifications

• Coordination with regulatory agencies such as PennDOT and PA DEP to support permit applications, ensure compliance with Chapter 102 and 105 regulations, and respond to agency comments.
• Familiarity with EPA and PA DEP MS4 regulations and associated analyses
• Must have thorough knowledge of A/E industry (transportation) and the ability to quickly review, understand, and resolve complex design and construction related issues.
• Proficiency with Microstation/InRoads, and Hydrologic and Hydraulic Software Packages to be used for Storm Water Management and E&S Plan design, and/or other discipline-specific programs preferred.
• Strong interpersonal and communication skills to foster collaboration across teams.
• A proven track record of delivering high-quality, on-time, and on-budget projects.

EEO Statement

Larson Design Group, Inc. is an Affirmative Action and Equal Opportunity Employer (EEO) that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization.