> Markdown version of [/jobs/ext/3873323-software-engineer-senior](https://www.wearedevelopers.com/jobs/ext/3873323-software-engineer-senior). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer, Senior - **Company:** Parsons Corporation - **Location:** Baltimore, MD, United States - **Experience:** Expert - **Salary:** $112,200.0 - $196,400.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Application Programming Interfaces (APIs), Agile Methodology, Assembly Language, C++ (Programming Language), Communications Protocols, Cyber Security, Continuous Integration, Software Debugging, Python (Programming Language), Windows API, Reverse Engineering, Socket Programming, Software Engineering, Systems Architecture, Git, Vulnerability Analysis - **Published:** October 22, 2026 - **Apply:** https://dejobs.org/x/x/A2960D0675BE426C83BA2DDC553DF857/job/ ## About the Role * U.S. Citizenship is required * Must be clearable; active TS/SCI is preferred * Bachelor's degree; additional experience may suffice in lieu of degree * Minimum 10+ years Software Engineering experience * Experience with cyber tool development * C/C++ proficiency * Python proficiency * Familiarity with Git * Ability to generate accurate documentation for developed software * Ability to collaborate and communicate effectively with a remote team What Desired Skills You'll Bring: * Experience supporting US Government CNO missions * Assembly programming and analysis (of any major architecture) * Experience working with debuggers and disassemblers * Strong understanding of low-level operating system internals and drivers * Experience with both kernel and userland debugging * Experience with Windows APIs (win32, Windows Native) * Experience with networking protocol analysis and socket programming on Windows * Familiarity with modern development environments and practices including CI/CD * Active TS/SCI is preferred ## Description Parsons is looking for an amazingly talented Software Engineer to join our team! In this role you'll be challenged in a way that will keep you on the cutting edge of cyber development. Parsons works on top level cyber development projects for national defense programs - imagine the possibilities to make an impact. Candidates in Centreville, VA; Herndon, VA; Columbia, MD; Augusta, GA; or San Antonio, TX will be considered. Quarterly travel is expected. What You'll Be Doing: * Design and develop innovative software code for new tools and capabilities in areas related to computer security, vulnerability research, reverse engineering, and product development * Develop and maintain low-level application and operating system projects related to software protection and host-based personal security tools * Review system architecture, and select and implement appropriate development and support tools to ensure product performance, as well as test and debug related software * Provide our customers expertise to leverage their existing software and create new capabilities * Be involved in quick reaction development with opportunities for customer interaction * Collaborate with a team that is focused on developing superior products and encouraging the career growth of its members * Be a customer focused self-starter, eager to learn as well as mentor and excel at collaborating in Agile teams