Sentry is a self-performing general contractor and full-service EPC contractor providing design-build and general contracting services across commercial, industrial, manufacturing, and infrastructure markets.
With in-house divisions including construction, electrical, mechanical, manufacturing, and controls and automation, Sentry delivers projects from concept through completion while maintaining control over quality, schedule, and safety.
Sentry is growing and actively hiring a Construction Project Manager to lead projects out of Watertown, South Dakota.
This role is responsible for managing projects from preconstruction through closeout, working closely with field leadership, subcontractors, and clients to ensure successful execution.
The Construction Project Manager plays a critical role in driving schedule, managing costs, maintaining client relationships, and ensuring projects are delivered safely and to a high standard.
$90,000–$110,000 annually, based on experience and project background
Why Join Sentry
Sentry continues to grow across multiple markets and divisions, creating opportunities for experienced construction professionals to take on meaningful responsibility and advance their careers.
As a Project Manager, you will lead projects that matter, work alongside strong field and leadership teams, and be part of a company that is built to self-perform and execute at a high level.
We are looking for someone who takes ownership, leads from the front, and wants to grow with the company.
Sentry is actively hiring and looking to move quickly with the right candidate.
How to Apply
Submit your resume along with a list of construction projects you have managed or played a key role in, including project size, scope, and your responsibilities.
Candidates who include project details will be prioritized.

Sentry is a self-performing general contractor and design-build construction firm delivering projects from concept to completion.
With EPC and Construction Management at Risk capabilities, we bring design, planning, engineering, fabrication, construction, and specialized trade services together under one roof. This gives our clients one trusted partner with greater control over quality, scheduling, safety, and project coordination.
Our in-house divisions include General Contracting, Electrical, Mechanical, Manufacturing, South Dakota Service, Controls & Automation, and Workover. Our capabilities also include architecture and engineering, project management, structural steel and miscellaneous metals, custom fabrication, crane and trucking services, millwright work, plant shutdowns, and field service.
Sentry began as a one-crane operation serving the oilfields of western North Dakota. We built our reputation by showing up, working hard, and finding a way to get the job done. That same mindset continues to guide how we work today.
From our offices in Watertown and Sioux Falls, South Dakota, we serve commercial, industrial, agricultural, renewable energy, water and wastewater, and infrastructure markets across South Dakota and the Midwest.
Our people bring practical experience, accountability, and pride to every project. Whether we are leading a complete design-build project, supporting an existing facility, fabricating a custom component, or responding to an emergency service need, we remain focused on delivering solutions that work.
Sentry. Flexible. Innovative. Results.