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CAT III Portuguese / Brazilian Linguist

Sphinx LLC
Washington, DC Full Time
POSTED ON 3/2/2026
AVAILABLE BEFORE 5/2/2026

CAT III Portuguese / Brazilian Linguist 

Full Time

Washington, D.C, US  
 
CAT III Portuguese / Brazilian Linguist
Clearance: Must currently possess an active TS/SCI security clearance and be able to obtain a CI polygraph after hire (if not before)
Location: Washington, D.C.
Salary Range: $120,000 - $130,000
Experience: ILR 3 (Professional Working Proficiency) in Portuguese (Brazilian) and English. Prior experience supporting DoD, IC, or federal government language programs. Experience working in austere or deployed settings; willingness to travel as mission dictates.

 
Description: Category III (CAT III) Portuguese/Brazilian Linguist provide high‑accuracy translation, interpretation, transcription, analysis, and cultural advisement in support of national security missions. 

Responsibilities 

- Consecutive interpretation and translation between Portuguese (Brazilian) and English during ongoing conversations, briefings, and intelligence collection activities. 

- Real‑time and non‑real‑time transcription and translation with emphasis on accuracy, completeness, and context. 

- Produce idiomatic translations of non‑technical materials using correct syntax and expression; accurately interpret/translate colloquial and slang usage. 

- Provide cultural and ethnic context for translations and interpretations; advise users on cultural/ethnic significance of statements, conversations, situations, and documents. 

- Conduct document exploitation (DOMEX): scan, research, and analyze foreign language materials to identify and report intelligence information. 

- Supplement interpretations/translations with profession‑specific terminology (e.g., medical, scientific, engineering, legal) when pertinent. 

- Support mission requirements across oral reports, public addresses (non‑technical), and some oral technical reports; maintain accuracy under time constraints. 

- Maintain strict confidentiality, comply with all security policies, and contribute to team workflows in dynamic operational environments. 

 
Required Qualifications

- U.S. citizenship (required).  

- Must currently possess an active TS/SCI security clearance and be able to obtain a CI polygraph after hire (if not already held)

- Must be a self-motivated, disciplined, and mature professional capable of operating with little tasking and oversight

- Must be capable of operating within a diverse environment and comfortable operating with limited guidance and oversight, maturity and self-motivation required.

- ILR Level 3 proficiency in both Portuguese (Brazilian)and English. 

- Understand the essentials of all speech in a standard dialect with a broad vocabulary, rarely requiring paraphrasing or explanation. 

- Follow accurately the essentials of conversations between educated native speakers. 

- Reasonably make and answer telephone calls in Portuguese. 

- Understand radio broadcasts, news stories similar to wire service reports, oral reports, some oral technical reports, and public addresses on non‑technical subjects.  

Desired Qualifications 

- Prior experience supporting DoD, IC, or federal government language programs. 

- Proficiency with translation tools and linguistic analysis software; experience with secure systems and workflows. 

- Knowledge of domain‑specific terminology (e.g., medicine, scientific, engineering, legal) and the ability to apply it correctly in interpretation/translation. 

- Experience working in austere or deployed settings; willingness to travel as mission dictates. 


Benefits: 

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Flexible schedule
  • Health insurance
  • Health Savings Account (HSA)
  • Life insurance
  • Paid time off
  • Parental leave
  • Professional development assistance
  • Referral program
  • Retirement plan
  • Vision insurance

Salary : $120,000 - $130,000

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