Portuguese (European) - Language Instruction/Testing

Reston, VA, us April 13, 2026 Full Time

SOSi is seeking a Portuguese (European) Instructor 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 (including practical knowledge of applicable culture, history, politics, and economy) 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.
Complete customer specific training and instructor certifications.

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.

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.
Bachelor’s Degree in Education, Language, or a related field.
Minimum of five years of recent experience in the foreign language instruction for adults/university students, assessing student proficiency, developing instructional curricula, and integrating current technology and cultural understanding.
Demonstrated knowledge of Portuguese history, culture, politics, and economy.
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 Portuguese (minimum ILR scores: SLR 5, TA 3) Competency will be determined by standardized language exams which must be completed as part of the application process.
Experience in using foreign language learning technology and teaching methodologies.

Preferred Qualifications

Existing, 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 Portuguese language.
Versed in multiple teaching methods to support students’ varied learning abilities and styles.
Subject matter expertise in International Relations, Economics, Legal/Law, Military, Literature, and Cross-cultural studies are highly desirable.

Working Conditions

Office environment.
Full-time onsite work. No possibility of remote work.
Minimum core hours established by customer, expect at least 9 am to 2 pm.

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.