Ludlum Measurements

Accounts Payable Clerk

High school diploma; 2+ years accounts payable experience; detail oriented; proficient in Excel and accounting software.

Sales Order Entry & Purchasing Clerk

Sales Order Entry and Purchasing Clerk

High school diploma required; 1-3 years in order entry/purchasing/administrative support; strong attention to detail; proficient in MS Office; ERP/order management experience preferred.

Office Clerk

Entry-level clerical role requiring typing, filing, and basic office duties; strong organization and communication skills; proficient with Microsoft Office; ability to lift up to 15 pounds.

Calibration Technician

High school diploma required; 1-3 years calibration/electronics; detail oriented; proficient in MS Office; able to balance technical and administrative tasks.

Shipping Clerk: LMI

Shipping Clerk

High school diploma or equivalent; ability to lift up to 75 pounds; fast-paced environment experience; standing for long periods; Excel and spreadsheet familiarity; strong teamwork and organizational skills; customer service experience a plus.

Human Resources Manager

3+ years HR management; strong comms; knowledge of employment laws; Bachelor's in HR or related field; MS Office proficient; HRIS experience.

Title	Location	Date
Accounts Payable Clerk Full Time · 2+ YOE Sweetwater, Texas, United States · Onsite	Sweetwater, Texas, United States Onsite	May 2, 2026
Sales Order Entry & Purchasing Clerk Full Time · 1+ YOE Knoxville, Tennessee, United States · Onsite	Knoxville, Tennessee, United States Onsite	Apr 27, 2026
Office Clerk Full Time, Internship, Contract, Temporary, Seasonal, Volunteer, Part Time Knoxville, Tennessee, United States · Onsite	Knoxville, Tennessee, United States Onsite	Apr 22, 2026
Calibration Technician Full Time · 2+ YOE Knoxville, Tennessee, United States · Onsite	Knoxville, Tennessee, United States Onsite	Apr 22, 2026
Shipping Clerk: LMI Full Time · 0+ YOE Sweetwater, Texas, United States · Onsite	Sweetwater, Texas, United States Onsite	Mar 13, 2026
Human Resources Manager Full Time · 3+ YOE Sweetwater, Texas, United States · Onsite	Sweetwater, Texas, United States Onsite	Jan 28, 2026

Activities	Radiation detection instrumentationOrganic scintillator manufacturingElectronic product developmentPhotomultiplier tube productionInstrument calibration services
Headquarters	US
Industries	ElectronicsInstrumentation
Name	Ludlum Measurements
Employees	630
Type	Private
Subsidiaries	VPI TechnologyEljen TechnologyADITProtean Instrument CorporationWest Texas MicrowaveD-tect Systems
Tagline	Manufacturer of radiation detection instruments and nuclear measurement technologies
Founded	1,962
Website	ludlums.com
Latest Funding Round	Grant
Latest Funding Year	2,021
Latest Funding Amount	674,000
Latest Investors	National Science Foundation

Ludlum Measurements

About Ludlum Measurements