SMSI, LLC is seeking a Principal HVAC Mechanical Engineer HVAC Design to provide support to assignments at the Los Alamos National Laboratory (LANL), Oak Ridge National Lab, and Savannah River Nuclear Solutions (Aiken, SC). Completes assigned tasks under routine supervision and technical direction. The need is immediate. Position is direct hire and is a full time position

The High Flux Isotope Reactor (HFIR) is currently preparing for an extended outage in late 2028 to replace the reactor beryllium reflector. Complete disassembly of all instruments in the thermal beam room and the guide network are required to perform the reactor beryllium replacement. To take advantage of the opportunity provided by the HBRR project, a series of neutron i

SMSI, LLC is seeking a Senior/Mid level Electrical Engineer. Work would be performed from Aiken, SC. The need is immediate. Position is direct hire and is a full time position. This position would be onsite at the SRPPF (Savannah River Plutonium Processing Facility) and/or Tritium Facilities for SRNS (Savannah River Nuclear Solutions). Responsibilities Prepare design deve

The Process Engineer position is a skilled quality assurance specialist who provides support for the SMSI Los Alamos, NM or Albuquerque office. The Process Engineer will serve as the primary point of contact with our Los Alamos clients and will be expected to develop strong professional relationships with their counterparts in our clients' organizations. The Process Engin

SMSI, LLC is seeking a Telecommunications Infrastructure Senior Engineer to support work at Savannah River Nuclear Services in Greenville, South Carolina. This is full time position. This position will serve as a Senior Telecommunications Cabling Infrastructure Engineer with demonstrated subject matter expertise with industrial and nuclear fiber optic & copper cabling and

SMSI is seeking an experienced, energetic, and customer focused individual for the position of Reliability Engineer for the Reliability Engineering Program that supports programmatic equipment for the Weapons Production Facilities located at the Technical Area 55 Division and the facility support systems. Responsibilities Overall accountability for Preventive Maintenance

This position will be assigned to the Plutonium Infrastructure Engineering Division. As a Project Engineer you will act as the lead technical representative for engineering activities related to the planning, design, execution, and closeout of projects. You will be expected to lead and manage development of projects with an integrated project team (IPT) that includes both

SMSI is looking for a Capital Project Expeditor to support work for Los Alamos National Laboratory (LANL). This role will be responsible for expediting activities to ensure timely delivery of specialized equipment and associated commodities to meet contractual and project schedules. The position will be based in Oak Ridge, TN. This is a full time position and can be a fle

The Work Control Planner develops and/or reviews work packages including written step by step work instructions, procedures, and/or safety and testing requirements for the implementation and control of operations, maintenance, or modication of work activities within a given facility or area. Specic planning duties may be related to mechanical, electrical, chemical and/or

SMSI is seeking a Junior Fire Protection Engineer with at least 5 years of experience in providing fire protection engineering services for DOE governmental facilities at Los Alamos National lab. This role will be a hybrid work scenario with 50% onsite work at LANL, and 50% remote work, from home. Responsibilities Will provide fire protection engineering services for faci

SMSI is in need of a Capital Project Buyer to support work with Savannah River Site. This position shall be responsible for purchasing activities, high risk engineered equipment, and commodities. Responsibilities include but are not limited to, acquisition plans and strategies, prequalification of suppliers, bidder list development, issuance of solicitation, proposal revi

Candidates interested in being considered for new SMSI opportunities developing in Los Alamos, NM and Aiken, SC are encouraged to complete our application for future use. Needs are being identified through the Merrick SMSI joint venture subcontracts with Triad; the LANL M&O contractor, and contracts with Savannah River Site. SMSI, LLC is anticipating needs for personnel a