Sr Principal Cyber Software Test Engineer
Quick Summary
This position involves testing of developed solutions to national security threats with products that may involve kernel development, reverse engineering,
Bachelor's Degree in Computer Science, Computer Engineering with 8 years relevant work experience; or Master’s Degree in Computer Science,
Join Northrop Grumman – Cincinnati (aka Xetron), part of Mission Systems sector, focused on the development of new capabilities for our military and intelligence customers around the globe. Our Northrop Grumman Cincinnati, Ohio small business culture operates collaboratively within a larger corporation providing the benefits of both. This unique relationship offers employees the ability to know everyone at the site while working on technologies and products that are beyond state-of-the-art. You and your team will wrestle with the next big problems in an atmosphere of collaboration and cooperation, sharing your expertise while learning from the expert next to you. Remember when you were excited about getting to work because of the challenge of the problem, the importance of the solution and the fun you had with your team? It's that kind of place! But don’t take my word for it, see for yourself! See why we receive comments on our YouTube Videos like “This company is insanely advanced” and “Wow. This is mind blowing.” See some of our recent Awards and Recognition and read about some of the reasons to live in Cincinnati.
Responsibilities
~1 min readThis position involves testing of developed solutions to national security threats with products that may involve kernel development, reverse engineering, or vulnerability research of network and communication systems. The position requires solid software development skills and test capabilities, including familiarity with scripting languages. Knowledge of computer networking, modern software development environments, embedded programming, automated software testing tools and software configuration management tools is a plus.
- Assisting with system requirements definition.
- Testing Software to ensure it meets system requirements both manually and with automated scripts.
- Writing software test plans, test procedures, and automated testing scripts.
Requirements
~2 min read- Active TS/SCI Clearance with Polygraph.
- Advanced degree in Computer Science, Computer Engineering, or related field.
- Experience in software development to include any of the following: kernel mode, embedded, command and control, web applications, network applications.
- Experience with SDLC (software development life cycle.)
- Familiarity with Assembly Languages (e.g., x86, x64, MIPS, PPC, or ARM.)
- Experience with vulnerability research on one or more operating systems (Android, IOS, Windows, Linux, etc.)
- Experience with emulation (Renode, QEMU, etc.)
- Experience with reverse engineering compiled binaries using industry-standard tools such as Ghidra or IDA Pro.
- OS Internals experience.
- Development of lower-level networking protocols such as TCP/IP and UDP.
- Understanding of return-oriented programming (ROP) concepts and execution.
- Ability to develop and implement shell code.
- Ability to understand secure / insecure programming concepts (format string vulnerabilities, heap overflows, etc.)
- Familiarity with modern source control platforms (e.g., Git, GitHub, GitLab) and CI/CD workflows using tools such as Jenkins, GitHub Actions, and GitLab CI.
- Experience with the Agile methodology.
Location & Eligibility
About this job
- Pay per year
- $142,200–$213,200 a year
- 34% above the $132,300 median for Qa Engineer jobs on Jobera (644 salaries).
- Posted
- 1 day ago
Listing Details
- Posted
- October 23, 2026
- First seen
- October 23, 2026
- Last seen
- October 23, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 63%
- Scored at
- October 23, 2026
Signal breakdown
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