J.F. Brennan Company, Inc. Jobs Hiring Now
J.F. Brennan Company, Inc. is hiring for 13 open roles on Migrate Mate as of July 16, 2026, concentrated in construction management and program management. Migrate Mate updates J.F. Brennan Company, Inc.'s live openings daily. J.F. Brennan Company, Inc. is a specialty contractor focused on marine construction, underwater services, and subaqueous infrastructure work across the United States.
Find J.F. Brennan Company, Inc. JobsOverview
J.F. Brennan Company, Inc. hiring data on Migrate Mate, as of July 16, 2026.
- Open jobs
- 13
- Top team
- Construction Management
- Seniority
- Mid to senior level
- Work type
- 8% remote or hybrid
- Top location
- La Crosse
Open Roles at J.F. Brennan Company, Inc.
Showing 13 of 13+ J.F. Brennan Company, Inc. jobs



























Are you an individual who is motivated to continue to learn new mechanical skills about various equipment such as diving equipment?
We are hiring a Maintenance Technician who will assist in the maintenance of equipment.
Responsibilities:
- Assist in inspection, certification, and repair of generators, small engines, hydraulic tools, lines and power units in accordance with ADC regulations.
- Perform routine maintenance on equipment to include oil changes, painting, taping, cleaning, disinfecting, and pressure washing.
- Assist in the maintenance of all equipment in accordance with applicable regulatory, manufacturer requirements, and IMCA guidance
- Manage organization of critical diver life support maintenance and repair on diving systems, hoses, umbilical, and diver worn equipment
- Weekly inventory checks
- DOT record keeping and compliance checks
- Loading and unloading trucks, boat, and trailers
- Filling of compressed air tanks
- Assist with the mobilization and demobilization of all diving spreads
- Assist in oxygen cleaning ensuring only parts and material specifications are oxygen compatible
- Ability to travel 20-30% of the time
Qualifications:
- High school degree or higher
- 2 years’ experience in maintenance trades, mechanics, or fabricating
- Class A CDL license preferred, not necessary.
- Knowledgeable of basic electronics and hydraulics, small engines, trailers, and boats
- Ability to operate and hold a CMV license
- Excellent verbal and written communication skills
- Proficient in Microsoft Office, on computers and other electronic devices (i.e. iPhones, iPads, etc.)
- Strong interpersonal skills; must be a self-starter, highly organized, and creative
- Superior time management and organizational capabilities, including the ability to accurately benchmark project length, deliver on deadlines
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.
Compensation:
- CA Pay Range: from $25.43 to $40.00 per hour based on experience
- 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 from the receipt of an unsolicited resume. Brennan will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees. Agencies must obtain advance written approval from Brennan’s recruiting function to submit resumes, and then only in conjunction with a valid fully executed contract for service and in response to a specific job opening. Brennan will not pay a fee to any Agency that does not have such an agreement in place. Agency agreements will only be valid if in writing and signed by Brennan’s Chief Human Resources Officer or his/her designee. No other Brennan employee is authorized to bind Brennan to any agreement regarding the placement of candidate by Agencies.
Job Roles at J.F. Brennan Company, Inc.
Working at J.F. Brennan Company, Inc.
J.F. Brennan Company, Inc.'s 13 open roles are mid to senior level, and about 8% are remote or hybrid. The most active teams are construction management, program management, and business operations. J.F. Brennan Company, Inc. is a specialty contractor providing marine construction and underwater services, with roles spanning project management, diving operations, field engineering, and support functions. The company operates across multiple U.S. regions, delivering work on marine and subaqueous infrastructure projects. Most J.F. Brennan Company, Inc. roles are based in La Crosse, with some in North Kingstown and Spartanburg.
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Browse jobs by roleJ.F. Brennan Company, Inc. Jobs: Frequently Asked Questions
How many jobs is J.F. Brennan Company, Inc. hiring for right now?
J.F. Brennan Company, Inc. is hiring for 13 open roles on Migrate Mate as of July 16, 2026, updated daily, concentrated in construction management and program management. Open positions span project management, dive operations, field engineering, and administrative support across multiple U.S. regions. Migrate Mate reflects J.F. Brennan Company, Inc.'s current openings as they are posted.
What kinds of roles does J.F. Brennan Company, Inc. hire for?
The most active teams are construction management, program management, and business operations. J.F. Brennan Company, Inc. hires across project management, marine construction supervision, underwater and dive operations, field engineering, and business support functions such as marketing and talent acquisition. Most postings are mid to senior level, reflecting the technical and supervisory nature of marine and underwater contracting work.
Are J.F. Brennan Company, Inc. jobs remote or in-person?
Mostly on-site. About 8% of J.F. Brennan Company, Inc.'s open roles on Migrate Mate are remote or hybrid as of July 16, 2026, with the rest based in La Crosse. Each J.F. Brennan Company, Inc. listing shows its work location so you can filter before applying.
How do I apply to a job at J.F. Brennan Company, Inc.?
Find a J.F. Brennan Company, Inc. role on Migrate Mate, then follow the listing through to the company's own application page. J.F. Brennan Company, Inc. manages its own hiring process, including application review, interviews, and offers. Migrate Mate does not accept or forward applications on the company's behalf.
Does J.F. Brennan Company, Inc. hire entry-level?
Most of J.F. Brennan Company, Inc.'s open roles on Migrate Mate are mid to senior level as of July 16, 2026. Entry-level openings are limited. Check individual J.F. Brennan Company, Inc. listings for stated experience requirements.
Where is J.F. Brennan Company, Inc. hiring?
Most J.F. Brennan Company, Inc. roles are based in La Crosse, with some in North Kingstown and Spartanburg, and about 8% offer remote or hybrid work as of July 16, 2026. Migrate Mate shows the location on each listing.