Journeyman Rigger

Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries, and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.

At Loenbro, we don’t just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.

Job Summary Loenbro is seeking an experienced Journeyman Rigger to support the LBNF/DUNE-US South Dakota Rigging Services at the Sanford Underground Research Facility (SURF) in Lead, SD. This multi-shift underground role supports cryostat and infrastructure installation in the North and South Caverns. The Lead Rigger provides daily on-site supervision while working as a productive member of the crew, communicates daily with the FFDG representative, maintains schedule adherence, upholds employee conduct and competence standards, and administers disciplinary action when required.

The successful candidate will have a solid background in rigging, erecting, and modifying structural steel in an industrial construction setting. Your leadership skills and your experience have earned you the ability to direct the work of others and make quick decisions. You must be well-organized and favor safety above everything else.

Essential Job Responsibilities

Coordinates and supervises daily activities of crew while working as a productive member of that crew.

Communicate daily with the FFDG representative regarding schedule status, operational concerns, and crew performance.

Visually inspect and test rigging materials to ensure safety and reliability.

Select appropriate gear such as cables, pulleys, vices, winches, etc., according to load weights and sizes, work area, and job specifications.

Ensure all lifts comply with DOE-STD-1090-2020, ASME B30 series, and project-specific lift plans.

Maintain satisfactory standards of employee conduct, integrity, and competence.

leading or participating in daily JHAs / toolbox talks and exercising stop-work authority.

Initiate and administer disciplinary action regarding deficiencies; support removal of personnel when requested in writing by FFDG.

Be aware of obstacles, surrounding structures, barriers or objects and the location of other people.

Signal or verbally communicate with workers and others engaged in hoisting, suspending, and moving loads to ensure the safety of workers and materials.

Dismantle, inspect, clean, organize and store rigging equipment after use.

Supervise and train workers.

Guarantee all safety precautions and quality standards are followed.

Ensure crew PPE compliance (Type II hard hat with chin strap, Level IV cut-resistant gloves, reflective clothing, steel-toe boots, self-rescuer, and 4-gas monitor when acting as Guide).

Support two-shift (day/night) and six-day work schedules as required by the installation sequence.