Highway Principal Engineer - Stormwater in Lititz

Larson Design Group (LDG) is an award‑winning, employee‑owned architecture, engineering, and consulting firm focused on delivering innovative solutions nationwide.

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.

• Perform hydrologic/hydraulic modeling (e.g., HEC‑RAS, Storm
  
  CAD), calculate drainage systems, design stormwater best management practices, prepare reports, plans, and permitting documents.
• Experience preparing E&S 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:
  
  Bachelor’s or Master’s Degree in a position‑relevant engineering field from an 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.

• 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.
• Strong interpersonal and communication skills to foster collaboration across teams.
• A proven track record of delivering high‑quality, on‑time, and on‑budget projects.

Larson Design Group, Inc. is an affirmative action and equal opportunity employer that is committed to a workplace free from discrimination and harassment of any kind based on gender, gender identity or expression, sexual orientation, age, race, color, religion, national origin, disability, genetic information, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization.