Wastewater Pipefitter at American Contracting & Environmental Services Incorporated – Marriottsville, Maryland

About ACEAt ACE, we specialize in complex heavy civil construction projects with a focus on water and wastewater treatment facilities throughout the Mid-Atlantic region. For over 21 years, we’ve been Building to Last—investing in our people, delivering high-quality projects, and building lasting relationships with clients and communities.

Position SummaryACE is seeking experienced Wastewater Pipefitters for an industrial construction project in Perryman, MD. This role is ideal for skilled individuals with experience installing a wide variety of pipe materials and systems. Pipefitters will report directly to the Foreman and perform hands-on work to ensure piping systems and process equipment are installed safely, efficiently, and to ACE’s high-quality standards.

Key Responsibilities

Assist with installation of process equipment including tanks, pumps, conveyors, centrifuges, and belt filter presses.

Install a variety of interior piping systems, including ductile iron, stainless steel, copper, and PVC.

Install buried yard piping systems, including mechanical joint and sanitary sewer ductile iron pipe, reinforced concrete pipe, HDPE, and PVC.

Install pipe appurtenances such as valves, pressure gauges, and pipe specials.

Install pipe supports and rigging for heavy items.

Fit threaded and welded pipe joints.

Conduct pipe testing and repair pipe leaks as needed.

Read and interpret construction drawings to ensure accurate installation.

Perform basic layout and surveying tasks.

Qualifications

Proven experience installing a variety of piping systems and materials.

Strong knowledge of pipe fitting techniques, joints, and supports.

Ability to read and understand construction drawings.

Highly motivated, dependable, and committed to safety and quality.

Successful completion of drug screen, physical, and E-Verify required.

Leadership Competencies

Building People – Works collaboratively with crew members and mentors less experienced tradespeople.

Building Projects – Ensures installations meet ACE standards for safety, quality, and efficiency.

Building Clients – Contributes to delivering high-quality results that meet client expectations.

Building Community – Fosters a culture of safety, respect, and teamwork on every project.

Working Environment

Full-time, on active construction sites with exposure to varying weather conditions.

Routine use of construction tools, personal protective equipment (PPE), and site equipment.

Physical Requirements

Ability to stand for extended periods, climb stairs/ladders, and lift heavy loads.

Regularly required to talk, hear, and use hands/arms to handle tools, equipment, and materials.

Why Join ACE?As a Wastewater Pipefitter, you’ll contribute to critical infrastructure projects that protect and improve communities while applying your specialized skills. At ACE, you’re not just performing tasks—you’re helping build careers, communities, and the future of water infrastructure.

Equal Opportunity StatementACE is proud to be an Equal Opportunity Employer. We do not discriminate on the basis of race, color, sex, gender identity, sexual orientation, religion, national origin, veteran status, or disability. ACE Services is a drug-free workplace. All offers are contingent upon successful completion of drug screening, physical, and E-Verify.