Signature Science, LLC
  • - VA-Charlottesville
  • Huntsville, AL, USA
  • Full Time

About Signature Science:

For nearly two decades, Signature Science, LLC has brought together bright scientists and engineers to apply their expertise to programs that help keep our nation safe. Our scientists and technicians perform analyses and conduct research and development activities in our laboratories or at our clients' site laboratories, advancing science while working with state-of-the-art instrumentation. We are poised to continue to our corporate growth in the service of national security and criminal justice.


Position Purpose: 

The Explosives Chemist provides explosives chemistry forensic examination services in support of the TEDAC - Terrorist Explosive Device Analytical Center.

This position is contingent upon Signature Science winning a position on the FBI Laboratory Support Services contract. Contract award is anticipated in September 2020.


Essential Duties and Responsibilities:

Responsibilities and duties may include, but are not limited to, the following services:

  • Receive and account for boxes of evidence and related materials from the EMU - Evidence Management Unit.
  • Visually inspect and process evidence and related materials for bulk or trace explosives evidence; photograph evidence and related materials (as appropriate); remove particles and materials from evidence for further analysis; prepare samples for visual, optical, and / or instrumental examination; examine materials both bulk and trace; and associate samples with other existing submissions (as appropriate).
  • Make initial determination of the type of materials suitable for analysis and select appropriate protocols for conducting the examination of the materials.
  • Conduct examinations using (stereo) microscopes, Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, Gas Chromatography (GC), with various detectors, Gas Chromatography / Mass Spectrometry (GC / MS), Liquid Chromatography / Mass Spectrometry (LC / MS), Ion Chromatography (IC), Scanning Electron Microscopy with Energy Dispersive X-Ray Analysis (SEM / EDXA), X-Ray Powder Diffraction (XRD), and other scientific instrumentation and techniques as needed.
  • Author forensic laboratory notes and supporting documentation.
  • Ensure daily performance check of calibration on instruments used for forensic examinations and analysis, as appropriate.
  • Use the current database network for evidence inventory, tracking, and flow.
  • Maintain proper chain of custody of all forensic material under examination.
  • Follow all QA / QC procedures, protocols and adhere to LD policies and procedures related to its accreditation and safety standards.
  • Serve as instrument specialists and provide service and maintenance to instrumentation across several disciplines including the development of new procedures and bringing new instrumentation and methods online for casework.
  • Support activities, functions, or duties as defined in future TOs.
  • Research, develop, and author whitepapers and information papers, as required.


Required Knowledge, Skills & Abilities:

Demonstrated ability to study and pass training, examination, and testing assessments. 



Education: B.S. degree in physical sciences, life sciences, or engineering that included 30 semester hours in chemistry, supplemented by course work in mathematics through differential and integral calculus, and at least 6 semester hours of physics.

Experience: At least one (1) year of recent experience as a Chemist in an accredited laboratory.


Certificates and Licenses:




Candidates should be eligible for or possess a TS clearance. 


Supervisory Responsibilities:



Working Conditions/ Equipment:

Explosives Chemists will work at the client site in Huntsville, AL.


The above job description is not intended to be an all-inclusive list of duties and standards of the position. Incumbents will follow any other instructions, and perform any other related duties, as assigned by their supervisor.

This position has been closed and is no longer available.
Signature Science, LLC


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