Project Manager - Marine Construction
OperationsFieldSaint Louis, Missouri, United States
J.F. Brennan Company jobs and hiring trends
Civil & Infrastructure Construction600 employeesFounded 1919
Company identity and hiring signals verified from public source listings
- Active roles
- 37
- New in 7 days
- 0
- Hiring velocity
- 0.0 / wk
- Top function
- engineering
- Comparable salary
- —
- Remote-friendly
- 11%
37 classified
Needs 5 comparable ranges
4 of 37 classified
Observed daily snapshots
Active-role trend
Latest: 37 roles
Sep 16Oct 23
Observed active listings increased from 33 to 37 across 8 snapshot days. Missing days are left as gaps and are not estimated.
View accessible snapshot table
| Date | Active listings |
|---|---|
| 2026-09-16 | 33 |
| 2026-09-28 | 37 |
| 2026-10-05 | 37 |
| 2026-10-11 | 37 |
| 2026-10-14 | 37 |
| 2026-10-17 | 37 |
| 2026-10-20 | 37 |
| 2026-10-23 | 37 |
Listing recency
Source observation
- Observed by source within 7 days
- 0 of 37
- Latest source observation
- Median posting age
- —
Source observation shows when Base Career last saw listings at their source. It does not mean every listing was revalidated within the last 24 hours.
What this company is hiring for
Engineering20
Operations11
Finance3
Hr1
Logistics1
Software1
Based on n=37 classified listings
Seniority mix
Entry14
Senior13
Mid10
Based on n=37 classified listings
Work model
Onsite19
Field13
Remote4
Hybrid1
Based on n=37 classified listings
Top hiring locations
La Crosse, Wisconsin, United States15
North Kingstown, Rhode Island, United States5
United States5
Spartanburg, South Carolina, United States4
Ottawa, Illinois, United States2
St. Louis, Missouri, United States2
Based on n=37 classified listings
Comparable salary ranges
No salary bucket has at least five comparable employer-posted ranges yet.
Verified active listings
Open roles at J.F. Brennan Company (37)
View job
Project Manager - Marine Construction
OperationsRemoteOakland, California, United StatesUSD 105K–USD 160K / yearly
Senior Financial Analyst
FinanceOnsiteLa Crosse, Wisconsin, United States
Project Engineer
EngineeringOnsiteOakland, California, United States
Nuclear Quality Assurance (NQA) Manager
OperationsFieldLa Crosse or Wisconsin
Project Engineer Internship - Marine Construction
OperationsFieldLa Crosse, Wisconsin, United States
Project Manager Underwater Services - Southeast Region
OperationsFieldSpartanburg or South Carolina or United States
Maintenance Technician
EngineeringOnsiteLa Crosse, Wisconsin, United States
Maintenance Technician - Southeast Region
EngineeringFieldSpartanburg, South Carolina, United States
Project Manager - Underwater Services/Nuclear
OperationsOnsiteOttawa, Illinois, United StatesUSD 85K–USD 150K / yearly
Senior Estimator
EngineeringOnsiteLa Crosse, Wisconsin, United States
Hydrographer (Remote/Traveling)
EngineeringRemoteLa Crosse, Wisconsin, United States
Senior Project Manager
EngineeringRemoteOakland, California, United StatesUSD 101K–USD 180K / yearly
Estimator & Project Controls Co-Op
OperationsOnsiteLa Crosse, Wisconsin, United States
Diver - Southeast Region
EngineeringFieldSpartanburg, South Carolina, United States
Project Engineer - Environmental (Remote/Traveling)
EngineeringHybridLa Crosse, Wisconsin, United States
Divers (Nuclear Operations)
EngineeringFieldOttawa, Illinois, United StatesUSD 26–USD 62 / hourly
Senior Technical Analyst
SoftwareOnsiteLa Crosse, Wisconsin, United States
Field Intern
EngineeringFieldLa Crosse, Wisconsin, United States
Assistant Project Manager
OperationsFieldNorth Kingstown or La Crosse or United States
About J.F. Brennan Company
Family-owned marine contractor serving public and private water-infrastructure owners with remediation, dam, diving, harbor, and submarine-cable services.
- Industry
- Civil & Infrastructure Construction
- Company size
- 600 employees
- Founded
- 1919
- Facts checked
- Sep 16, 2026