Toolmark Technician

SNA International, LLC, is a vibrant, growing company based in Alexandria, VA, and a world leader in forensics, biometrics, and identity intelligence services. SNA’s staff support high visibility forensic human identification operations, including staffing some of the US’s largest federal forensic laboratories. 

SNA International seeks a bright, collaborative and innovative Toolmark Technician to work in the FBI Laboratory Division’s Redstone Arsenal, Huntsville, Alabama location, who has a strong work ethic to join our team and work together in pursuit of the same cause: build a safe and just world by empowering organizations in the use of forensics, biometrics, and identity intelligence.


The Toolmark Technician provides toolmark services in support of the TEDAC’s counter-IED mission. Toolmark evidence typically encompasses shear marks on copper linings from explosively formed projectiles (EFPs), stamps from pneumatic presses on the surface of liners, toolmarks from various tools, nuts, and bolts on the machinery that forms EFP liners, rivets used to assemble EFPs, and microscopic irregularities on the surface of EFP liners imprinted during the stamping and cutting process.


The following list is representative of the types of activities and responsibilities anticipated to be performed by the contractor, but are not limited to the following services:


  • Receive and account for boxes of evidence and related materials from the Evidence Management Unit (EMU).
  • Visually inspect and clean evidence and related materials; photograph evidence and related materials; prepare casts of EFPs; bag and number casts.
  • Categorize EFPs by class and individual characteristics.
  • Compare EFP castings to other submissions using an image library of EFP casting photographs.
  • Conduct examinations using comparison (stereo) microscopes, desk scope, among other scientific instruments and techniques.
  • Ensure daily performance check of calibration on instruments used for forensic examinations and analysis, as appropriate.
  • Author, review, and provide QC of case notes, photographs, chain of custody form, and electronic communications.
  • 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 Laboratory Division policies and procedures related to its accreditation and safety standards.
  • Support activities, functions, or duties as defined.
  • Research, develop, and author whitepapers and information papers, as required.


Minimum Education and Experience Requirements:

  • Education: B.S. degree.
  • Experience: One (1) year recent experience as a Physical Scientist in an accredited laboratory, preferred.
  • Skills: Demonstrated ability to study and pass training, examination, and testing assessments.
  • Training: Must successfully complete FBI laboratory Toolmarks Physical Scientist training and be qualified and authorized to conduct casework within six months from being assigned to the contract/task order.
  • Certifications: N / A.



Candidates must be US citizens and able to pass a background check, drug screening, and a polygraph (if required). 

Please submit your resume and a cover letter that outlines why you should be considered for this position and position level. Applications without a cover letter will not be considered.


No phone calls


SNA International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

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