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Waste Mgmt Non-Destruct Assay Eng

Spectra Tech, Inc.
United States, Idaho, Idaho Falls
Oct 16, 2026
Spectra Tech is seeking a NDA Engineer for Idaho Falls, ID.

Position Purpose:

Provides oversight of non-destructive assay (NDA) activities associated with transuranic (TRU) waste and low-level waste / mixed low level waste (LLW/MLLW) at the Radioactive Waste Management Complex (RWMC) as a Non-Destructive Assay Expert Technical Reviewer within the Waste Management TRU Program Organization.

Responsibilities Include:

* Conduct independent and expert technical reviews of NDA systems, procedures, and data analysis to ensure compliance with established protocols, standards (e.g., ANSI/ISO), and regulatory requirements.

* Provide recommendations for improving NDA techniques, processes, and system reliability.

* Review, revise, and approve technical procedures including operating procedures, calibration procedures, validation procedures, and quality assurance documents to ensure accuracy, clarity, and compliance with regulatory requirements.

* Review Real-Time Radiography (RTR) recordings to identify items requiring detailed modeling, including those needing density and matrix corrections.

* Independently perform ISOCS modeling for specific waste configurations to optimize measurement efficiency and accuracy.

* Oversee calibration, certification, operation, and assist in troubleshooting of NDA instruments, including RBAS (Retrieval Box Assay System), ISOCS (In Situ Object Counting Systems), SGRS (SWEPP Gamma-Ray Spectrometer), WAGS (Waste Assay Gamma-Ray Spectrometer), and DAS (Drum Assay Systems).

* Support instrument operations to ensure accurate and reliable performance across all NDA systems.

* Collaborate with engineering and operations organizations to diagnose and resolve instrument or performance issues.

* Support software validation and testing in support of the NDA systems.

* Calculate measurement control data and review and approve control charts to detect trends or anomalies impacting measurement quality.

* Validate NDA measurement data and batch data reports in the Waste Tracking System (WTS) to ensure accuracy, completeness, and compliance.

* Perform validation of data generated by NDA systems to ensure measurement quality and compliance.

* Review NDA activities for adherence to DOE, EPA, and WIPP Waste Acceptance Criteria (WAC).

* Support audits by DOE Carlsbad Field Office, EPA, and other regulatory bodies, including preparation and on-site participation.

* Support implementation of criticality safety controls and criticality working requirements related to NDA and waste characterization activities.

Special Requirements:

Experience using Gamma Spectroscopy software, such as Canberra/Miron NDA 2000/Genie2k, Ortec Maestro/GammaVision, MGA, FRAM

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