On-Site Marine Project Manager

Mainstay Maritime; Ashtabula (OH); On-site; USD 80,000 - 120,000; Full time

Job summary

Mainstay Maritime is seeking an experienced Project Manager to serve as the primary contact for managing projects and contracts from planning through completion. You will monitor costs, schedules, and milestones, report progress to stakeholders, and drive projects while maintaining safety and quality standards.

The role emphasizes on-site leadership in marine/shipyard environments, collaboration with internal and external teams, and proactive risk mitigation to deliver successful outcomes.

Qualifications

• 3-5 years of project management experience in marine, shipyard, industrial, construction, manufacturing, or related environments preferred.
• Ability to read and interpret technical drawings, specifications, contracts, and project documentation.
• Knowledge of welding procedures, quality assurance practices, and applicable regulatory requirements preferred.
• Excellent verbal and written communication skills and the ability to work effectively with customers, vendors, subcontractors, and internal teams.
• Proficient in Microsoft Office Suite, including Excel, Word, Outlook, and Teams.
• Ability to travel to project sites and work in operational, shipyard, or industrial environments as needed.
• Must be able to pass any required pre-employment screenings and maintain eligibility to work in the United States.

Responsibilities

• Estimating & Cost Tracking – Review timesheets, project expenses, and supporting documentation to ensure proper coding, accurate cost tracking, and reliable financial reporting.
• Scheduling – Develop, maintain, and update project schedules, with daily oversight and weekly reporting using Microsoft Project.
• On-Site Management / Quality Assurance – Utilize traveler packages and oversee project execution in accordance with established Quality Assurance (QA) Program requirements.
• Safety & Environmental Compliance – Ensure all safety and environmental procedures, protocols, and regulatory requirements are consistently followed.
• Crew & Subcontractor Management – Coordinate and manage crews and subcontractors to support project objectives, productivity, and quality standards.
• Purchasing – Requisition and coordinate materials, equipment rentals, and project-related resources as required to support successful project execution.
• Welding Procedures & Qualifications – Maintain welder certifications and qualifications, coordinate new qualifications as needed, and ensure compliance with applicable standards.
• Monitor project progress, communicate status updates, and work collaboratively to resolve issues and keep projects on schedule and within budget.
• Perform other duties as assigned in support of departmental and organizational objectives.

Skills

Project scheduling

Cost tracking

Reading drawings

Communication skills

Microsoft Office

Microsoft Project

Team coordination

Travel willingness

Tools

Microsoft Project

MS Office

Job description

Mainstay Maritime is seeking an experienced Project Manager to serve as the primary contact for managing projects and contracts from planning through completion. You will monitor costs, schedules, and milestones, report progress to stakeholders, and drive projects while maintaining safety and quality standards.

The role emphasizes on-site leadership in marine/shipyard environments, collaboration with internal and external teams, and proactive risk mitigation to deliver successful outcomes.