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# Principal Software Engineer 4

- **Company:** Aperio Global, Llc
- **Location:** Fort Meade, United States
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Application Programming Interfaces (APIs), C++ (Programming Language), Compilers, Data Structures, Software Debugging, Memory Management, Python (Programming Language), Object-Oriented Software Development, Program Analysis, Software Architecture, Reverse Engineering, Software Engineering, System Programming, Malware, Dynamic Programming
- **Published:** November 4, 2026
- **Apply:** https://startup.jobs/principal-software-engineer-4-with-ts-sci-poly-aperio-global-10668614

## About the Role

This position requires a CURRENT and ACTIVE TS SCI with Polygraph. You must have this clearance in order to be considered for the role., Technical Proficiency: Develop and debug software using object-oriented programming languages; perform software engineering and technical design activities; analyze and understand legacy code; develop efficient algorithms utilizing data structures, dynamic programming, heuristics, and modeling techniques; conduct software testing and troubleshooting; work at the operating system level, including file I/O, system interfaces, and low-level programming concepts; and develop advanced tools for binary analysis, shellcode detection, malware analysis, function identification, and reverse engineering of compiled software.

Qualifications: Bachelor's degree plus 11-years of relevant experience or equivalent. Proficiency with Python, and ability to read/understand C/C++, and Assembly (x86). Experience with software architecture, operating system design, compilers, and debugging. Comfortable working with operating system internals, low-level software development, file I/O, system APIs, memory management, and executable program analysis.

Security Clearance: Active TS/SCI with Polygraph required.

Nice to Have:
Familiarity with malware analysis, reverse engineering, and protocol analysis.

Salary range: 207-227

The salary range for this role represents Aperio's good-faith estimate of compensation at the time of posting. Placement within the range is based on multiple factors, including but not limited to an individual's qualifications, relevant experience, education, certifications, technical skills, contract labor categories and/or rates, work location, market conditions, and business needs.