J.F. Brennan Company

Project Manager - Marine Construction

Project Manager

Five+ years of project management in marine/heavy civil infrastructure; bachelor’s in Civil Engineering, Construction Management, or related field; strong scheduling, cost control, and leadership; experience with marine methods and public infrastructure contracts.

Bachelor’s degree in Civil Engineering, Construction Management, or related field; 5+ years in marine/heavy civil project management; strong scheduling, cost control, and leadership; experience with public infrastructure contracts; Primavera P6/MS Project; excellent communication.

Bachelor's degree in Civil Engineering, Construction Management, or related field; 5+ years marine/heavy civil project management; scheduling, cost control, and contract management; strong leadership and communication.

Project Engineer

1–3 years in construction/engineering; Bachelor's preferred; travel ~80% to job sites; proficient in Excel/Word; AutoCAD/scheduling software a plus.

Supports marine construction projects with field engineering, scheduling, documentation; travel about 80% to Midwest job sites.

1–3 years in construction or engineering; bachelor’s in civil/construction; willing to travel ~80%; proficient in MS Excel/Word; basic drawing/scheduling; good communication.

Deckhand - Seasonal

Deckhand

High school diploma or GED; valid driver’s license; reliable transportation; ability to work 12-hour shifts including days, nights, weekends and holidays; ability to operate in all weather; pass background, physical, and DOT drug screen.

Project Manager - Environmental

Bachelor's in civil engineering or construction management; 5+ years marine construction; water treatment/dewatering experience preferred; strong communication; MS Office; willingness to travel up to 80-100%

Title	Location	Date
Project Manager - Marine Construction Full Time · $85K-$160K · 5+ YOE Duluth, Minnesota, United States · Onsite	Duluth, Minnesota, United States Onsite	Mar 2, 2026
Project Manager - Marine Construction Full Time · $85K-$160K · 5+ YOE Saint Paul or Minneapolis · Onsite	Saint Paul or Minneapolis Onsite	Mar 2, 2026
Project Manager - Marine Construction Full Time · $85K-$160K · 5+ YOE La Crosse, Wisconsin, United States · Onsite	La Crosse, Wisconsin, United States Onsite	Mar 2, 2026
Project Engineer Full Time · 1+ YOE North Kingstown, Rhode Island, United States · Onsite	North Kingstown, Rhode Island, United States Onsite	Jan 27, 2026
Project Engineer Full Time · 1+ YOE Ottawa or La Crosse or Duluth or St. Paul · Onsite	Ottawa or La Crosse or Duluth or St. Paul Onsite	Jan 27, 2026
Project Engineer Full Time · 1+ YOE Duluth or La Crosse or Ottawa or St. Paul · Onsite	Duluth or La Crosse or Ottawa or St. Paul Onsite	Jan 27, 2026
Deckhand - Seasonal Seasonal La Crosse, Wisconsin, United States · Onsite	La Crosse, Wisconsin, United States Onsite	Jan 26, 2026
Project Manager - Environmental Full Time · 5+ YOE La Crosse, Wisconsin, United States · Onsite	La Crosse, Wisconsin, United States Onsite	Jan 8, 2026

Activities	Marine constructionEnvironmental remediationDam constructionDredgingCommercial diving
Headquarters	US
Industries	Civil EngineeringEnvironmental Services
Name	J.F. Brennan Company
Employees	660
Type	Private
Subsidiaries	Brennan MarineHarbor Offshore
Tagline	Provides marine construction and environmental remediation for waterways.
Founded	1,919
Website	jfbrennan.com

J.F. Brennan Company

About J.F. Brennan Company