Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.
Job DescriptionOverview
SOS International LLC (SOSi) is seeking a Senior Chinese Linguist – Instruction/Testing in Northern Virginia. In this role you will provide language instruction in a professional environment with responsibility for lesson planning, delivery, and assessment of learning. Strong inter-personal and communications skills are a must to supportively engage with adult students.
Essential Job Duties
- Deliver instruction to students ranging on a starting level from 0 to 3 to raise their proficiency level on the Interagency Language Roundtable (ILR).
- Execute the full cycle of lesson development/planning, instruction, and student assessment.
- Develop lesson plans for appropriate for beginners, intermediate, and advanced classes.
- Facilitate classes focused on real-world scenarios to develop student's skills in speaking, listening, and reading for both social and professional situations.
- Provide students with constructive feedback. Consult and collaborate with customers on organization needs to further student success.
- Assess students’ learning and proficiency levels base in the ILR scale.
Qualifications
Minimum Requirements
- Bachelor’s Degree in Education, Language, or a related field.
- The federal government requires all linguists on this contract to obtain and maintain a security clearance. This security clearance requires U.S. citizenship.
- Prior to beginning work, candidates must complete the process for a fully adjudicated TS/SCI (with poly) security clearance. SOSi will sponsor qualified candidates for clearance.
- Minimum of five years of experience in the foreign language instruction, assessing student proficiency, developing instructional curricula, and integrating current technology and cultural understanding.
- Possess excellent English written and verbal communication skills. Competency will be determined by a standardized exam which must be completed as part of the application process.
- Possess native or near native competency in Chinese (Mandarin). Competency will be determined by standardized language exams which must be completed as part of the application process.
- Experience in using SharePoint and Microsoft Office.
Preferred Qualifications
- Active in-scope TS/SCI clearance with a polygraph.
- Master's degree in Education, Language, or a related field.
- Overseas experience related to or utilizing Chinese (Mandarin) language.
- Versed in multiple teaching methods to support students’ varied learning abilities and styles.
- Subject matter expertise in International Relations, Counter-terrorism, Economics, Legal/Law, Military, Narcotics, Science & Technology, Literature, and Cross-cultural studies are highly desirable.
Additional Information
Work Environment
- Office environment.
- Full-time onsite work. No remote work possible.
Working at SOSi
All interested individuals will receive consideration and will not be discriminated against for any reason.
Skills Required
- Bachelor's Degree in Education, Language, or a related field
- Minimum of five years of experience in foreign language instruction
- Native or near native competency in Chinese (Mandarin)
- Excellent English written and verbal communication skills
- Security clearance eligibility
SOSi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SOSi and has not been reviewed or approved by SOSi.
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Healthcare Strength — Health coverage is considered a relative strength, with international plan options and substantial employer contribution that support OCONUS and travel-heavy work. Company materials also highlight a comprehensive medical offering alongside wellness support.
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Retirement Support — A 401(k) program is available, with indications of employer matching though specifics are not publicly detailed. This suggests foundational retirement support for eligible employees.
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Career-Linked Recognition & Rewards — Compensation is often characterized as competitive for cleared, hard‑to‑hire, and certain overseas or mission‑critical roles. Pay levels appear closely tied to contract demands, clearance, and location.
SOSi Insights
What We Do
SOSi is a technology and services integrator focused on the aerospace, defense, and government services industry, described as one of the largest private, founder-owned companies in its sector.






