1d ago
New
$142,200.00 - $213,200.00/yr

Sr Principal Cyber Software Test Engineer

United States-Ohio-Cincinnatisenior
EngineeringQa Engineer
1 views0 saves0 applied

Quick Summary

Key Responsibilities

This position involves testing of developed solutions to national security threats with products that may involve kernel development, reverse engineering,

Requirements Summary

Bachelor's Degree in Computer Science, Computer Engineering with 8 years relevant work experience; or Master’s Degree in Computer Science,

Technical Tools
EngineeringQa Engineer
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

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 read

This 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.

Primary Level Salary Range: $142,200.00 - $213,200.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Location & Eligibility

Where is the job
United States-Ohio-Cincinnati
On-site at the office
Who can apply
Same as job location

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
Employer
has 5,482 open jobs on Jobera.

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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Sr Principal Cyber Software Test Engineer$142,200.00 - $213,200.00