Project Manager - Marine Construction

J.F. Brennan Company Inc.; St. Louis (MO); On-site; USD 90,000 - 130,000; Full time

Job summary

J.F. Brennan Company, Inc. in Missouri is seeking an experienced Project Manager to lead marine and heavy civil infrastructure projects in the St. Louis area. This role offers ownership, visibility, and a collaborative team environment with a long history of safety and quality.

You will manage full lifecycle projects, coordinate with field teams and owners, control costs, and ensure compliance with public infrastructure contracts. Travel up to 75% of the time is required.

Qualifications

• Bachelor's degree in Civil Engineering, Construction Management, or related technical field.
• Minimum 5+ years of project management experience in marine or heavy civil infrastructure.
• Experience leading complex infrastructure projects including bridge substructures, dam rehabilitation, and deep foundation systems.
• Advanced scheduling and cost control knowledge; experience with Primavera P6 or MS Project.
• Strong communication and leadership when interfacing with owners, engineers, inspectors, and executives.

Responsibilities

• Lead full lifecycle management of marine and heavy civil infrastructure projects executed on or overwater.
• Develop and manage detailed project work plans, cost structures, baseline schedules, and recovery schedules.
• Oversee deep foundation operations including pile driving (steel, concrete, timber), drilled shafts, cofferdams, and sheet piling systems.
• Manage marine logistics including barges, cranes, floating equipment, specialty access systems, and sequencing of work over navigable waterways.
• Direct coordination between field leadership, engineering teams, subcontractors, and owners.
• Maintain strict financial control including forecasting, cost tracking, productivity analysis, change management, and monthly owner billing.
• Prepare and negotiate change orders and contract modifications in accordance with public infrastructure contract requirements.
• Review and approve submittals, shop drawings, lift plans, and engineered marine work plans.
• Support pursuit efforts including bid reviews, quantity takeoffs, pricing strategy, and risk evaluation.
• Interface with public agencies including DOTs, USACE, rail authorities, port authorities, and municipal owners.
• Travel to active marine construction job sites up to 75% of the time as required

Skills

Leadership

Communication

Scheduling

Field team leadership

Risk management

Interface with owners/engineers

Education

Bachelor's degree in Civil Engineering/Construction Management

Tools

Primavera P6

MS Project

Stakeholder management tools

Job description

At Brennan, our people are our top priority. We support complex construction projects, solve difficult problems, and help shape the future of marine infrastructure and environmental services. We are growing our presence in the St. Louis market and are looking for Project Managers who want more than just another PM role. This is an opportunity for someone who enjoys complex work, wants ownership and visibility, and values being part of a team where they are supported instead of left on an island. As a family-owned, relationship-driven company, we take pride in open communication, collaboration, and building a culture where people are trusted and empowered to grow. Join our team and help us continue building Brennan's presence in St. Louis while creating a rewarding career with people who care deeply about their work and each other.

Responsibilities

• Lead full lifecycle management of marine and heavy civil infrastructure projects executed on or overwater
• Develop and manage detailed project work plans, cost structures, baseline schedules, and recovery schedules
• Oversee deep foundation operations including pile driving (steel, concrete, timber), drilled shafts, cofferdams, and sheet piling systems
• Manage marine logistics including barges, cranes, floating equipment, specialty access systems, and sequencing of work over navigable waterways
• Direct coordination between field leadership, engineering teams, subcontractors, and owners
• Maintain strict financial control including forecasting, cost tracking, productivity analysis, change management, and monthly owner billing
• Prepare and negotiate change orders and contract modifications in accordance with public infrastructure contract requirements
• Review and approve submittals, shop drawings, lift plans, and engineered marine work plans
• Support pursuit efforts including bid reviews, quantity takeoffs, pricing strategy, and risk evaluation
• Interface with public agencies including DOTs, USACE, rail authorities, port authorities, and municipal owners
• Travel to active marine construction job sites up to 75% of the time as required

Qualifications

• Bachelor's degree in Civil Engineering, Construction Management, or related technical field
• Minimum 5+ years of project management experience in marine or heavy civil infrastructure (not commercial building construction)
• Demonstrated leadership experience managing projects involving:
  • Bridge substructures and superstructures
  • Dam rehabilitation
  • Dock and barge terminal construction
  • Railroad infrastructure and rail bridge work
  • Deep foundation systems and pile-supported structures
• Strong working knowledge of marine construction methods including work from floating platforms and temporary work in water
• Experience managing public infrastructure contracts with complex specifications and regulatory requirements
• Advanced understanding of scheduling (Primavera P6 or MS Project), cost control, forecasting, and contract management
• Proven ability to lead field teams in high-risk, technically demanding marine environments
• Strong communication skills with the confidence to interface with owners, engineers, inspectors, and executive leadership

Who is Brennan?

Since 1919, J.F. Brennan Company (Brennan) has delivered specialized marine construction, environmental remediation, and waterfront infrastructure solutions across the United States. Headquartered in La Crosse, Wisconsin, with additional offices throughout the country, we support complex projects from coast to coast with a strong commitment to safety, quality, innovation, and teamwork.

As a family-owned company, we take pride in building a culture where people are supported, challenged, and empowered to grow. Our teams work on meaningful projects that improve waterways, strengthen infrastructure, and help protect the environment, all while collaborating with talented professionals who care deeply about the work and each other.

At Brennan, you'll find opportunities to make an impact, contribute new ideas, and build a rewarding career alongside people who are passionate about what they do.

Why choose us?

• We are a company voted by our employees as a certified Great Place to Work, and recognized by Fortune magazine as a Best Workplace in Construction.
• Our culture sets us apart. We strive to make our company the best possible place to work. We work hard to continue to build a culture in which every individual is important and the key to our success.
• Our focus on safety and quality is unmatched in the industry, and our ability to innovate has enabled us to succeed.
• We are a family-focused company and are determined to provide a rewarding career that offers above-average compensation.
• We offer an industry-leading benefits package. We are proud to offer our employees and their families group health, dental and vision insurance plans, 401(K) program with generous matching, annual bonus eligibility and profit-sharing program.

J.F. Brennan Company, Inc. is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other characteristic protected by law.

Accessibility: If you need an accommodation as part of the employment process please contact Human Capital at:

Phone: [phone]

Email: [e-mail]

Equal Opportunity Employer, including disabled and veterans.

If you want to view the Know Your Rights: Workplace Discrimination is Illegal poster and/or view the Pay Transparency Policy State please click here.

For more information on federal labor laws please click here.