Yerkes Associates, Inc., a cirilli company

08/07/2026

YERKES is seeking a career-minded Municipal Engineer (PE required) to join us during this exciting time of growth in Chester & Delaware Counties, Pennsylvania. At Yerkes (www.yerkes-assoc.com), we offer a flexible, family-oriented work environment that promotes teamwork and learning.

We value those who enjoy serving municipalities and the public. You will be part of a dedicated group of engineers and technical professionals who are also eager to teach.

Qualifications include:
- Minimum of 5 years of experience in Municipal and Civil Engineering
- BS Civil Engr or higher; PA PE
- Proven experience in Subdivision/Land Development and Zoning Plan Reviews, site grading, sanitary and storm sewers, and stormwater management.

For inquiries, please contact Nick Cirilli, PE, PLS at [email protected].

06/06/2026

We are seeking a PE licensed Municipal Engineer to join our team and help manage our growing workload in Chester and Delaware Counties, Pennsylvania.

At Yerkes (www.yerkes-assoc.com), we offer a flexible, family-oriented work environment that promotes teamwork and learning. We value those who enjoy serving municipalities and the public. You will be part of a dedicated group of engineers and technical professionals.

Qualifications include:
* Minimum of 5 years of experience in Municipal & Civil Engr
* A BSCE or higher; PA PE
* Proven experience in Subdiv / Land Develop & Zoning Plan Reviews, site grading, sanitary and storm sewers, and stormwater mgm't.

For inquiries, please contact Nick Cirilli, PE, PLS at [email protected].

05/04/2026

West Chester based, Yerkes Associates, Inc., a cirilli company since 1874, is one of the oldest established firms in greater Chester County, PA and has an immediate full-time job opening for a Civil/Site Development Inspector.

Candidates must have a minimum of 3 years’ experience in performing Site observations to determine compliance with approved plans and municipal requirements, as well as ensuring acceptable work quality. Site Observation experience must include storm sewers, sanitary sewers, utility installations, road construction, storm water management facilities, culverts, curbing, paving, sidewalks, walking trails, grading, and E & S controls.

The ability to write thorough inspection reports a must. BS or associate's degree (civil engineering) a plus.

Valid PA Driver’s License, excellent writing skills, the ability to work in a team environment, easily understands & interprets Site Plans are a must. Excellent interpersonal skills including the ability to respond with professionalism to specific complaints to resolve issues between landowners, builders, developers, and municipalities also are a must. Knowledge of Word and Excel, and Zoning Experience are a plus.

Yerkes Associates, Inc., an Equal Opportunity Employer, offers a professional office setting, a competitive salary and benefits package including continuing education reimbursements.

04/16/2026

Hello and happy Thursday, please check out our latest Newsletter. What's going on at Yerkes Associates, Inc., a cirilli company

Email from Yerkes Associates, Inc. Also Aesha Dave is a BCO We may never admit it, but What Challenges Engineers Most ? Scroll down to the Leadership Corner   Aesha Dave Earns BCO Certification Our A

07/29/2025

Yerkes Associates, Inc is pleased to announce the addition of Amber Jackson, EIT to our team. A quick learner with a great attitude, and lots of energy, Amber has immediately stepped in with our Yerkes teams providing; civil site inspections ensuring compliance with civil / site improvements, and general plan reviews.

A former (4-year) varsity softball player at Widener University, in her spare time, Amber continues to play at a high-level competing in National Softball Tournaments throughout the country, in addition to enjoying spending quality time with her family. Please welcome Amber Jackson, EIT to the Yerkes team.

07/04/2025

Happy Independence Day!
Enjoy your 4th of July ❤🇺🇸💙

07/02/2025

"In extreme heatwaves, as many areas of the U.S. are currently experiencing, HVAC systems must not only perform efficiently but also comply with building code requirements and protect occupant health. Here’s what you must take care of during high temperatures in relation to HVAC systems.

For assistance, feel free to reach out to Yerkes Associates, Inc., a cirilli company at https://yerkes-assoc.com/. Our team of experienced Building Inspectors and Engineers, including Walsh and Aesha Dave, are here to help.

06/14/2025

USA National Flag day 🇺🇸 and 250th Birthday of our US Army 🎉🎆
Proud to be an American❤🇺🇸💙

06/04/2025

🌟 Immediate Job Opening: Full/Part-Time Licensed Land Surveyor

Join our dynamic team at Yerkes Associates, Inc., a reputable firm since 1874, based in West Chester, Chester County, PA. We're seeking a Licensed Land Surveyor (PLS), who enjoys working in the field, to excel in various survey tasks, including property boundary surveys, ALTA Title Surveys, topographic & features surveys, and more.

Key Requirements:
- Licensed with expertise in property surveys
- Skilled in deed research, title reviews, and computing traverses
- Proficient in Terra-Model, Word, Excel, and Outlook
- Experience in preparing digital terrain models and contouring is a plus

Candidates undergoing the PA. Surveyor-in-Training Exam with PLS exam aspirations are welcome to apply. Residency in the West Chester area is mandatory.

At Yerkes, we value diversity and provide a supportive, family-oriented work environment. We offer competitive salaries, a benefits package, and support for continuing education.

To apply, please send your resume, certificate verification, and (3) references to Nick Cirilli, PE, PLS at [email protected]. Your journey to a fulfilling career starts here! 🌿 hashtag hashtag hashtag hashtag

03/07/2025

Breaking Barriers, Building Futures – Celebrating the strength and resilience of women in construction!

“As the Construction Week winds down, we are spotlighting Aesha Dave , who serves as a Building Inspector at Yerkes Associates, inc, under the guidance of Kevin Walsh, Nick Cirilli and Yerkes Team is responsible for performing inspections related to Residential and Commercial inspections, along with various Code Enforcement inspections.