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County Engineer Jobs in Delaware (NOW HIRING)

Pennoni

Graduate Traffic Engineer - Newark, DE

Newark, DE

$85K - $116K/yr

Traffic Engineer needed to join a dynamic team responsible for working with many clients including state agencies, county governments, and local municipalities, for the development of Traffic related ...

State of Delaware

Engineer Program Manager II

Dover, DE · On-site

$107K/yr

Drafts, develops and modifies engineering designs, plans and specifications. * Reviews permit ... Sessions are held at designated locations in Kent or New Castle County. Benefits To learn more ...

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All JobsCounty Engineer JobsCounty Engineer Jobs in Delaware

County Engineer information

See Delaware salary details

$39K

$101.8K

$137.6K

How much do county engineer jobs pay per year?

As of Jun 10, 2026, the average yearly pay for county engineer in Delaware is $101,840.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,100.00 and $116,600.00 per year, depending on experience, location, and employer.

How does a County Engineer typically collaborate with other county departments and external agencies?

County Engineers frequently work alongside other county departments—such as planning, public works, and environmental services—to coordinate infrastructure projects, ensure regulatory compliance, and address community needs. They also collaborate with external agencies, including state transportation departments, utility companies, and contractors, to manage permits, funding, and project timelines. Effective communication and teamwork are essential, as County Engineers often serve as technical advisors and project managers, ensuring that all stakeholders are aligned throughout the project lifecycle.

What are County Engineers?

County Engineers are licensed professional engineers who oversee the planning, design, construction, and maintenance of public infrastructure within a county, such as roads, bridges, drainage systems, and public buildings. They ensure that all projects comply with state and federal regulations, manage budgets, and often supervise staff and contractors. County Engineers also play a key role in developing long-term infrastructure plans and responding to emergency situations that impact public works. Their work is essential to maintaining safe and efficient transportation and public services for the community.

What is the difference between County Engineer vs Road Supervisor?

AspectCounty EngineerRoad Supervisor
Required credentialsEngineering degree, Professional Engineer (PE) licenseHigh school diploma or equivalent, relevant experience
Work environmentDesign, planning, project management, administrative tasksSupervising road crews, maintenance, and repair work
Employer and industry usageCounty government, public infrastructure projectsCounty or municipal public works departments

The County Engineer typically holds an engineering degree and PE license, focusing on planning, design, and overseeing infrastructure projects. In contrast, the Road Supervisor manages daily maintenance and supervises crews. While both roles work within public works, the County Engineer has a broader scope involving project management and engineering expertise, whereas the Road Supervisor concentrates on operational supervision.

What are the key skills and qualifications needed to thrive as a County Engineer, and why are they important?

To thrive as a County Engineer, you need a strong background in civil engineering, a bachelor's degree in engineering, and a Professional Engineer (PE) license. Experience with CAD software, GIS systems, project management tools, and knowledge of local, state, and federal regulations is typically required. Strong leadership, communication, and problem-solving skills help coordinate teams and interact with public officials and the community. These skills are essential for ensuring safe, efficient, and compliant infrastructure development and maintenance at the county level.
What are popular job titles related to County Engineer jobs in Delaware? For County Engineer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching County Engineer jobs in Delaware look for? The top searched job categories for County Engineer jobs in Delaware are:
County Engineer jobs near you
Infographic showing various County Engineer job openings in Delaware as of June 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Temporary. Highlights an 95% In-person, and 5% Hybrid job distribution, with an average salary of $101,840 per year, or $49 per hour.

Highway Engineer - Associate Design Task Lead

AECOM

Newark, DE • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 12 days ago

AECOM rating

8.1

Company rating: 8.1 out of 10

Based on 58 frontline employees who took The Breakroom Quiz

15th of 78 rated construction

Job description

Company Description
Work with Us. Change the World.
At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations.
There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.
We're one global team driven by our common purpose to deliver a better world. Join us.
Job Description
AECOM is seeking an ASSOCIATE HIGHWAY ENGINEERING DESIGN TASK LEAD to be based in Eastern Pennsylvania. AECOM has offices in Mechanicsburg, Philadelphia and Conshohocken, PA. This is a HYBRID position and additional office locations may be considered.
In this role, you will provide technical leadership and design oversight to highway engineering designers working on medium to large scale transportation projects in the Greater Pennsylvania Area.
The Associate Highway Design Engineering Task Lead will utilize their experience to develop the highway design technical approach, delegate design tasks and provide technical guidance and oversight to other highway designers working under your direction. This person will also coordinate with other project disciplines' Design Leads, the highway engineering Technical Lead or Engineering Manager, and the Project Manager to advance project scope and deliverables.
The responsibilities of this position include, but are not limited to:
  • Oversee the development of design criteria, horizontal and vertical alignments, superelevation, barrier/guiderail design, and spot elevation details
  • Oversee the development of rigid and flexible pavement designs
  • Oversee the development of signing and pavement marking plans and details
  • Oversee the development of construction phasing plans and develop maintenance of traffic based on interdisciplinary coordination and constructability reviews
  • Identify utility conflicts and coordinate resolutions based on interdisciplinary constructability reviews, client feedback, and utility needs
  • Develop construction specifications, quantities, and cost estimates
  • Oversee the development of 3D Model in OpenRoads
  • Oversee the development of technical calculations and reports per client and/or internal AECOM standards
  • Adhere to and promote AECOM quality procedures
  • Complete interdisciplinary technical reviews
  • Contribute to internal project-related staffing decisions to facilitate meeting client schedule, scope, and budget.
  • Contribute to the development of proposals and other marketing efforts to win new work.
  • Prepare presentations that explain technical findings, recommendations, and limitations
  • Work collaboratively as part of a larger design team to proactively meet the client's scope, budget, and schedule through ethical and responsible decision making.
  • Provide support to AECOM project managers and technical department managers

Current notable projects include:
  • I-95 RECONSTRUCTION (Philadelphia, PA) - Urban interstate reconstruction including interchange ramp and local roadway re-alignments, traffic control, and utility coordination in final design to mitigate level of service and improve existing conditions
  • STATE RD RECONSTRUCTION (Bucks County, PA) - Suburban arterial reconstruction including right-of-way plan development, roadway geometry, pavement design, traffic control, and utility coordination in preliminary engineering to mitigate existing roadway flooding
  • SR1 RECONSTRUCTION (Chester County, PA) - Freeway reconstruction including profile adjustments, interchange reconstruction, interchange ramp realignments, multiple roundabout designs, trail designs, and side road alignment adjustments.
  • US-22 RECONSTRUCTION (Allentown, PA) - Urban interstate widening from 4 to 6 lanes. Project Includes bridge replacement, interchange reconfiguration, stream relocation, sound barriers, safety improvements, traffic control, and utility coordination.
  • I-81 RECONSTRUCTION (Avoca, Moosic, and Scranton, PA) - Urban Interstate reconstruction including mainline widening, 2 interchanges being fully reconstructed including ramp realignments, intersection improvements, right-of- way coordination, and structure coordination for 15 bridges along mainline and ramps.

Qualifications
MINIMUM REQUIREMENTS:
  • Bachelor's degree in Civil Engineering plus four (4) years of related experience with highway transportation projects or demonstrated equivalency of experience and/or education
  • EIT Certification
  • Valid US Driver's License required to visit project sites, clients, and other AECOM offices
  • As a condition of employment, selected candidate must pass a Motor Vehicle Records review
  • Demonstrated knowledge of MicroStation and/or AutoCAD

PREFERRED QUALIFICATIONS:
  • Six (6) or more years of related experience with highway transportation projects
  • Professional Engineering License (PE) in the Commonwealth of Pennsylvania
  • Knowledge of OpenRoads (ORD) design software to oversee the development of the highway design and the 3D model in ORD
  • Design experience working on projects for PennDOT and/or the PA Turnpike Commission
  • Ability and willingness to offer mentorship to various levels of staff

Additional Information
  • Relocation assistance is not available for this position.
  • Sponsorship for US employment authorization is not available now or in the future for this position.

About AECOM
AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.
AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients' complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com.
What makes AECOM a great place to work
You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you'll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you've always envisioned. Here, you'll find a welcoming workplace built on respect, collaboration and community-where you have the freedom to grow in a world of opportunity.
As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.

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