Service Manager - Heavy Construction Equipment

We are seeking a hands-on and strategic Service Manager to lead the maintenance and repair operations for our marine and heavy construction equipment. This role is critical to ensuring equipment reliability, minimizing downtime, and supporting safe, efficient field operations. The ideal candidate will bring strong leadership, technical knowledge, and planning skills to manage mechanic teams, schedule field service, oversee preventive maintenance, and drive continuous improvement.

• Lead day-to-day maintenance and repair of marine and heavy construction equipment to ensure maximum uptime.
• Manage the HCSS 360 work order system, preventive maintenance schedules, and accurate service documentation.
• Coordinate with field teams to prioritize service needs and align schedules with project demands.
• Supervise shop and field mechanics; provide coaching, training, and performance feedback.
• Conduct safety meetings and ensure compliance with OSHA, company policies, and environmental standards.
• Troubleshoot complex equipment issues and provide technical support as needed.
• Oversee parts inventory and work with procurement to ensure cost-effective supply.
• Track maintenance costs, labor, and materials; assist with budget planning and cost control.
• Build vendor relationships and negotiate service and parts contracts.
• Collaborate with field leadership and internal departments to align service operations with company goals.
• Support recruiting, onboarding, and development of service team personnel.
• Foster a strong safety and accountability culture within the team.

Service Manager Qualifications:

• High school diploma or GED required; technical training or certifications a plus
• 5+ years of experience in diesel, marine, or heavy equipment maintenance preferred
• 5–7 years of supervisory or service management experience, ideally in construction or heavy equipment
• Strong mechanical knowledge with hands-on experience in diagnostics and repairs
• Proficiency in HCSS 360, Microsoft Excel, Word, and email systems
• Proven leadership, team development, and communication skills
• Strong time management, organization, and decision-making abilities
• Knowledge of OSHA regulations, environmental standards, and industry best practices

Who is Brennan?

J.F. Brennan Company, Inc. (Brennan) is a100-year-old,family-owned company that specializes in water-based environmental remediation andmarine construction headquartered in La Crosse, WI that offers our employees growth, challenging work, empowerment, and meaningful work.

Brennan is known for tackling complex maritime projects, providing unique solutions through teamwork and collaboration, and maintaining a family-orientated culture.

• 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 onsafety 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.

Notice to Staffing Agencies

J.F. Brennan Company Inc. (“Brennan”) and its subsidiaries will not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to Brennan, including unsolicited resumes sent to a Brennan mailing address, fax machine or email address, directly to Brennan employees, or to Brennan’s resume database will be considered Brennan property. Brennan will NOT pay a fee for any placement resulting…