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Principal Cyber Software Engineer

Northrop Grumman

Software and Technology Jobs

Principal Cyber Software Engineer

full-timePosted: Jan 2, 2026

Job Description

Perform cyber testing, verification, and validation Validate system security requirements definition and analysis, establish system security designs, implement security designs in hardware, software, data, and procedures Develop software test scripts to support cyber test activities Participate in team reviews of technical requirements, designs and implementation plans prior to deployment of systems, digital communications systems, network protocols, computer architectures, and computer security penetration tools and techniques Provide cyber security implementation guidance to technical design teams and develop testing use cases to meet requirements and architecture model content. Ensure weapon system compliance with all contractually obligated cybersecurity standards and guidance, including but not limited to CNSSI 1253, DoD 8140, DoD 8510, and AFI 17-101 Ensure weapon system assessments are completed to meet all contractually obligated cybersecurity standards and guidance, including but not limited to RMF and cyber survivability requirements Solve complex problems across disciplines in an Agile environment Bachelor's Degree and 5 years of related experience; or a Master's degree and 3 years of related experience. Note:9 years of related experience may be considered in lieu of degree. US Citizenship is required Active Department of Defense (DoD) Top Secret Security Clearance is required to be considered with the ability to obtain SCI and SAP access Must possess a DoD 8570 Certification for IAT Level II or higher or ability to obtain the certification within six months of hire. Experience with reverse engineering Strong Python programming language experience and experience with other programing languages Experience in software development to include any of the following: kernel mode, embedded, command and control, web applications, network applications Prior experience as an Offensive Cyber Operator (Red Team, CNO, CNE, or OCO) preferred (i.e. graduate of Computer Network Operations Qualification Course (CNOQC), Remote Interactive Operators Training (RIOT) and Future Operator Readiness, Growth & Enrichment Course (FORGE)). Possess a Cybersecurity certification related to Red Teaming/Penetration Testing:

GPEN, GXPN or OSCP. Development of lower-level networking protocols such as IP, TCP, and UDP Ability to understand secure / insecure programming concepts (format string vulnerabilities, heap overflows, etc.) Familiarity with common source control tools (git, Mercurial, etc.) and automated build system workflows (Jenkins, Go, etc.)

Locations

  • San Antonio, Texas, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Required Qualifications

  • Bachelor's Degree and 5 years related experience, or Master's and 3 years, or 9 years experience in lieu of degree (experience)
  • US Citizenship (experience)
  • Active DoD Top Secret Clearance with ability to obtain SCI and SAP (experience)
  • DoD 8570 Certification for IAT Level II or higher (or obtain within 6 months) (experience)

Responsibilities

  • Perform cyber testing, verification, and validation
  • Validate system security requirements and analysis
  • Develop software test scripts for cyber test activities
  • Participate in team reviews of technical requirements, designs, and implementation plans
  • Provide cyber security implementation guidance
  • Ensure compliance with cybersecurity standards (CNSSI 1253, DoD 8140, DoD 8510, AFI 17-101, RMF)

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Northrop Grumman logo

Principal Cyber Software Engineer

Northrop Grumman

Software and Technology Jobs

Principal Cyber Software Engineer

full-timePosted: Jan 2, 2026

Job Description

Perform cyber testing, verification, and validation Validate system security requirements definition and analysis, establish system security designs, implement security designs in hardware, software, data, and procedures Develop software test scripts to support cyber test activities Participate in team reviews of technical requirements, designs and implementation plans prior to deployment of systems, digital communications systems, network protocols, computer architectures, and computer security penetration tools and techniques Provide cyber security implementation guidance to technical design teams and develop testing use cases to meet requirements and architecture model content. Ensure weapon system compliance with all contractually obligated cybersecurity standards and guidance, including but not limited to CNSSI 1253, DoD 8140, DoD 8510, and AFI 17-101 Ensure weapon system assessments are completed to meet all contractually obligated cybersecurity standards and guidance, including but not limited to RMF and cyber survivability requirements Solve complex problems across disciplines in an Agile environment Bachelor's Degree and 5 years of related experience; or a Master's degree and 3 years of related experience. Note:9 years of related experience may be considered in lieu of degree. US Citizenship is required Active Department of Defense (DoD) Top Secret Security Clearance is required to be considered with the ability to obtain SCI and SAP access Must possess a DoD 8570 Certification for IAT Level II or higher or ability to obtain the certification within six months of hire. Experience with reverse engineering Strong Python programming language experience and experience with other programing languages Experience in software development to include any of the following: kernel mode, embedded, command and control, web applications, network applications Prior experience as an Offensive Cyber Operator (Red Team, CNO, CNE, or OCO) preferred (i.e. graduate of Computer Network Operations Qualification Course (CNOQC), Remote Interactive Operators Training (RIOT) and Future Operator Readiness, Growth & Enrichment Course (FORGE)). Possess a Cybersecurity certification related to Red Teaming/Penetration Testing:

GPEN, GXPN or OSCP. Development of lower-level networking protocols such as IP, TCP, and UDP Ability to understand secure / insecure programming concepts (format string vulnerabilities, heap overflows, etc.) Familiarity with common source control tools (git, Mercurial, etc.) and automated build system workflows (Jenkins, Go, etc.)

Locations

  • San Antonio, Texas, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Required Qualifications

  • Bachelor's Degree and 5 years related experience, or Master's and 3 years, or 9 years experience in lieu of degree (experience)
  • US Citizenship (experience)
  • Active DoD Top Secret Clearance with ability to obtain SCI and SAP (experience)
  • DoD 8570 Certification for IAT Level II or higher (or obtain within 6 months) (experience)

Responsibilities

  • Perform cyber testing, verification, and validation
  • Validate system security requirements and analysis
  • Develop software test scripts for cyber test activities
  • Participate in team reviews of technical requirements, designs, and implementation plans
  • Provide cyber security implementation guidance
  • Ensure compliance with cybersecurity standards (CNSSI 1253, DoD 8140, DoD 8510, AFI 17-101, RMF)

Target Your Resume for "Principal Cyber Software Engineer" , Northrop Grumman

Get personalized recommendations to optimize your resume specifically for Principal Cyber Software Engineer. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Principal Cyber Software Engineer" , Northrop Grumman

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

AerospaceDefenseTechnologyDefense

Answer 10 quick questions to check your fit for Principal Cyber Software Engineer @ Northrop Grumman.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.