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3Rd Assistant Engineer Jobs in Delaware (NOW HIRING)

Pennoni

Graduate Bridge Engineer

Newark, DE · On-site

... * Assist with traffic study reviews from third parties for new developments and projects. Traffic Engineer Preferred Qualifications: * Working knowledge of traffic signal design is a plus.

Pennoni

Graduate Bridge Engineer

Newark, DE

... * Assist with traffic study reviews from third parties for new developments and projects. Traffic Engineer Preferred Qualifications: * Working knowledge of traffic signal design is a plus.

UGI Corporation

Engineer I

Newark, DE · On-site

Act as crew supervisor on a rotating on-call basis, for after-hours emergencies. Assist others in ... third-party construction activity. * Planning System Facility Replacements: For non-complex ...

UGI

Engineer I

Newark, DE

Act as crew supervisor on a rotating on-call basis, for after-hours emergencies. Assist others in ... third-party construction activity. * Planning System Facility Replacements: For non-complex ...

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 ... * Assist with traffic study reviews from third parties for new developments and projects.

Spectrum Control

Technician II

Delmar, DE

$24 - $28/hr

The Technician will also assist engineers with projects through building or procuring test ... c) Third-Party Recruiters Please note, that per Spectrum Control Policy, we do not accept ...

Wohlsen Construction

Project Engineer

Wilmington, DE · On-site

Coordinate and monitor the bid package process, ensuring comprehensive quote coverage. * Assist in ... Wohlsen will not pay fees to any third-party agency or firm and will not be responsible for any ...

AECOM

Traction Power Project Engineer

Newark, DE · On-site

Responsibilities: * Assist senior engineers in the design and analysis of traction power distribution systems, including substations, overhead catenary systems (OCS), and third rail systems.

AECOM

Traction Power Project Engineer

Newark, DE · On-site

Responsibilities: * Assist senior engineers in the design and analysis of traction power distribution systems, including substations, overhead catenary systems (OCS), and third rail systems.

Wohlsen Construction

Project Engineer

Wilmington, DE · On-site

... Assist in the preparation, distribution, and monitoring of project billings (draws) from start to ... Wohlsen will not pay fees to any third-party agency or firm and will not be responsible for any ...

Kleinfelder Inc

Senior Traffic Engineer

Dover, DE

$104K - $143K/yr

Manage Traffic Analysis, Traffic Design and Traffic Safety Sections * Assist Senior Program Manager ... Section 503 rules) NOTICE TO THIRD PARTY AGENCIES Please note that Kleinfelder, and its ...

Kleinfelder Inc

Senior Traffic Engineer

Dover, DE · On-site

$90 - $120/hr

Manage Traffic Analysis, Traffic Design and Traffic Safety Sections * Assist Senior Program Manager ... Section 503 rules) NOTICE TO THIRD PARTY AGENCIES Please note that Kleinfelder, and its ...

Kleinfelder Inc

Senior Traffic Engineer

Dover, DE · On-site

$104K - $143K/yr

Manage Traffic Analysis, Traffic Design and Traffic Safety Sections * Assist Senior Program Manager ... Section 503 rules) NOTICE TO THIRD PARTY AGENCIES Please note that Kleinfelder, and its ...

Kleinfelder Inc

Senior Traffic Engineer

Dover, DE · On-site

$104K - $143K/yr

Manage Traffic Analysis, Traffic Design and Traffic Safety Sections * Assist Senior Program Manager ... Section 503 rules) NOTICE TO THIRD PARTY AGENCIES Please note that Kleinfelder, and its ...

Kleinfelder Inc

Senior Traffic Engineer

Dover, DE · On-site

$104K - $143K/yr

Manage Traffic Analysis, Traffic Design and Traffic Safety Sections * Assist Senior Program Manager ... Section 503 rules) NOTICE TO THIRD PARTY AGENCIES Please note that Kleinfelder, and its ...

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Showing results 1-20

All Jobs3Rd Engineer Jobs3Rd Assistant Engineer Jobs3Rd Assistant Engineer Jobs in Delaware

3Rd Assistant Engineer information

See Delaware salary details

$33K

$88.8K

$134.6K

How much do 3rd assistant engineer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for 3rd assistant engineer in Delaware is $88,831.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,600.00 and $104,600.00 per year, depending on experience, location, and employer.

What is a 3rd assistant engineer?

A 3rd Assistant Engineer, also known as a Third Engineer, is a licensed member of the engineering department on a merchant ship. They are responsible for maintaining and operating the ship’s machinery, including engines, pumps, and electrical systems under the supervision of senior engineers. Their duties often include performing scheduled maintenance, monitoring equipment performance, and responding to machinery emergencies. This role is typically an entry-level officer position for marine engineers who have completed relevant maritime training and certification.

What is the difference between 3Rd Assistant Engineer vs 2Nd Assistant Engineer?

Aspect3Rd Assistant Engineer2Nd Assistant Engineer
Required CertificationsDiploma or equivalent in engineeringBachelor's degree in engineering or related field
Work EnvironmentAssisting in routine maintenance and operationsMore responsibilities in supervision and troubleshooting
Industry UsageCommonly used in shipping, manufacturing, and power plantsUsed in similar industries with increased responsibilities

The main difference between a 3Rd Assistant Engineer and a 2Nd Assistant Engineer lies in their level of responsibility and qualifications. The 3Rd Assistant Engineer typically holds a diploma and performs routine tasks, while the 2Nd Assistant Engineer usually has a bachelor's degree and handles more complex duties. Both roles are essential in engineering operations within industrial and shipping sectors, but the 2Nd Assistant Engineer has a higher level of responsibility and expertise.

What are the key skills and qualifications needed to thrive as a 3rd assistant engineer, and why are they important?

To thrive as a 3rd Assistant Engineer, you generally need a bachelor's degree in marine engineering or a related field, a valid U.S. Coast Guard (USCG) license, and a solid understanding of shipboard engineering systems. Familiarity with engine room operations, maintenance management systems, and safety protocols is crucial, along with any required STCW certifications. Strong problem-solving skills, attention to detail, and effective teamwork set outstanding candidates apart in this role. These competencies ensure the reliable operation and safety of ship machinery, supporting efficient vessel performance and regulatory compliance.

What are the typical responsibilities of a 3rd assistant engineer during a voyage?

As a 3rd Assistant Engineer, your primary responsibilities include monitoring and maintaining the ship’s engine room machinery, assisting with routine inspections, and ensuring equipment is operating safely and efficiently. You’ll often be assigned to a specific watch, working closely with the engineering team to troubleshoot technical issues and carry out scheduled maintenance. This role also involves keeping detailed logs, supporting emergency drills, and collaborating with other departments to ensure smooth vessel operations. Adapting quickly to changing priorities and working in a team-oriented environment are essential for success in this position.

What are popular job titles related to 3Rd Assistant Engineer jobs in Delaware?

For 3Rd Assistant Engineer jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching 3Rd Assistant Engineer jobs in Delaware look for?

The top searched job categories for 3Rd Assistant Engineer jobs in Delaware are:

3Rd Assistant Engineer jobs near you
Infographic showing various 3Rd Assistant Engineer job openings in Delaware as of August 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 100% In-person job distribution, with an average salary of $88,831 per year, or $42.7 per hour.

Graduate Bridge Engineer

Pennoni

Newark, DE • On-site

Full-time

Re-posted 5 days ago

Pennoni rating

9.1

Company rating: 9.1 out of 10

Based on 12 frontline employees who took The Breakroom Quiz

40th of 449 rated engineering

Job description

Pennoni is hiring! Pennoni is looking for passionate Graduate Civil Engineers to join our collaborative, fun team on a full- time, direct basis in Pennoni's Transportation Design Hub located in our Newark, DE office with experience consistent, but not limited to:
We have needs in each of the disciplines listed below.
Job Descriptions
1 - Bridge Engineer Job Responsibilities:
  • Assist with the structural analysis and/or design of Bridges (highway & railroad), culverts, retaining walls, and overhead sign structures on a variety of projects (bridge replacement/rehabilitation, highway improvement, etc.); this includes multi-disciplinary projects for various agencies in the Mid-Atlantic region!
  • Supplement the bridge design functions with involvement with the NBIS Bridge inspections discipline across the Pennoni footprint (with occasional opportunities for domestic travel).
  • Learn and apply professional techniques to produce high-quality engineering documents for use in bridge design / inspection reports, specifications, studies, and other engineering documents.

Bridge Engineer Preferred Qualifications:
  • Bachelor's Degree in Civil Engineering (Focus on Structural Engineering) - MS Degree is a plus
  • Successful completion of FHWA-NHI-130055 (Safety Inspection of In-Service Bridges)
  • Bridge engineering experience with a major agency is a plus.
  • Knowledge of structural analysis programs (e.g.: STAAD, LEAP Bridge, LEAP Concrete, AASHTOWare, BrR, BRASS, SAP/CSI, etc.) is a plus!

2 - Highway Engineer Job Responsibilities:
  • Passion for design, including Microstation/OpenRoads (ORD) Modeling of transportation infrastructure projects.
  • Contribute to developing set of Transportation plans, including highway design, hydrology and drainage calculations and design, SWM and ES&C design; water and sanitary sewer utility layout, MOT plans and geometry.
  • Support projects / tasks of various sizes for a variety of clients (including state agencies, counties, and local municipalities.)
  • Participate in the development of engineering design projects, while working in a team environment to produce engineering plans, documents, and reports.

Highway Engineer Preferred Qualifications:
  • Basis understanding of engineering design parameters is a plus.
  • Relevant experience with highway geometry development, water resources design, or overall plan preparation is a plus.
  • Exposure to modeling tools such as OpenRoads is a plus!
  • Experience working with highway and/or roadway design is strongly preferred.
  • Experience working with drainage design, stormwater management, and erosion and sediment control; completion of Certified Construction Review (CCR) training is a plus!
  • Exposure to Bluebeam Revu (PDF editor) and/or GIS tools is a plus!

3 - Traffic Engineer Job Responsibilities:
  • 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 projects.
  • Assist with traffic engineering tasks ranging from traffic analysis, safety evaluations, signal analysis and design and the preparation of signing and pavement marking plans, MOT / construction phasing plans, transportation management plans (TMPs), and lighting plans.
  • Assist with traffic study reviews from third parties for new developments and projects.

Traffic Engineer Preferred Qualifications:
  • Working knowledge of traffic signal design is a plus.
  • Exposure to modeling tools such as OpenRoads is a plus!
  • Familiarity with maintenance of traffic schemes, construction phasing, and traffic control plans.
  • Experience with lighting design software is a plus.

Basic Requirement for all positions:
  • Bachelor's degree in civil engineering or a related discipline
  • E.I.T. is a plus!

Preferred Qualifications for all positions:
  • Established knowledge of civil engineering principles such as development of geometric information, structural analysis, steel/concrete design, basic hydrology/hydraulics, and basic geotechnical/foundation design.
  • Relevant experience with engineering software
  • Experience and interest in working on various levels of engineering infrastructure projects in the Mid-Atlantic region.
  • Organization and planning ability is a plus.

Why Pennoni?
At Pennoni, we're not just another multi-disciplinary engineering firm; we're a vibrant team of innovators shaping the future! Founded more than five decades ago, Pennoni is an ENR Top 500 consulting engineering firm where individuality sparks innovation and growth. We're all about helping you build your career while fostering a great workplace culture - here, you'll work with supportive, talented teammates and find pride in your contributions. Join us to be part of a team that values your unique skills and drives excellence in every project!
Equal Opportunity Employer / Veterans / Disabled

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About Pennoni

Sourced by ZipRecruiter

Industry

Specialized design services

Company size

501 - 1,000 Employees

Headquarters location

Philadelphia, PA, US

Year founded

1966

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