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# Software Engineer L3 - TS/SCI with Poly required

- **Company:** EMTAK. LLC
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, C++ (Programming Language), Software Code Optimization, Signals Intelligence, Distributed Systems, Python (Programming Language), Radio-Frequency Identification, Real-Time Operating Systems, Signal Processing, Software Engineering, Data Processing, Real Time Systems, Concurrency, Information Technology
- **Published:** November 2, 2026
- **Apply:** https://www.careerbuilder.com/job-details/software-engineer-l3-ts-sci-with-poly-required-annapolis-junction-md--5f519b2d-dbbd-4c3c-932b-d088d267180f

## About the Role

Software Engineering, Sensitive Compartmented Information (SCI), Top Secret Clearance, Software Engineering, Sensitive Compartmented Information (SCI), Intelligence Community, Top Secret Clearance, Radio Frequency, Realtime Communications, High Throughput, We are seeking a Senior Software Engineer (TS/SCI Cleared) with deep experience in real-time systems, communications, and RF-related applications to support a high-priority mission within the Intelligence Community.

This role is ideal for a seasoned engineer who thrives in low-latency, high-throughput environments and has experience building full-stack solutions that interface with complex hardware or signal-based systems., * Active TS/SCI clearance (or higher)

 * Bachelor's degree in Computer Science, Engineering, or related field
 * 20+ years of software engineering experience
 * Strong expertise in:
 + C/C++ (systems-level development)
 + Python (SWORD or similar mission frameworks)
 + Full-stack development
 * Experience with real-time or near real-time processing systems
 * Background in communications systems, * Experience with RF systems, signal processing, or SIGINT-related work
 * Familiarity with low-level system optimization and concurrency
 * Experience supporting IC or DoD mission environments
 * Exposure to distributed systems or modern containerized environments

## Description

TS/SCI Sr Software Engineer (C++/Python | Real-Time/RF Systems) - Mission Critical, * Design and develop high-performance, real-time software systems using C/C++ and Python

 * Build and maintain full-stack applications supporting mission workflows and data processing
 * Work on communications systems involving signal ingestion, processing, and distribution
 * Optimize systems for low-latency and high-throughput performance
 * Integrate software with RF-based or hardware-adjacent systems
 * Collaborate with engineers, analysts, and mission stakeholders in Agile environments
 * Support deployment, testing, and troubleshooting in classified environments