Principal or Senior Principal Cyber Network Systems Engineer

Apply Zero Trust and/or Multi-Level Security (MLS) principles to network designs.

Conduct security assessments, penetration testing, and vulnerability scans to identify and mitigate cyber threats.

Collaborate with cross-functional teams to integrate security best practices into all systems and applications.

Stay up to date on the latest cyber security trends and technologies to proactively mitigate risks.

Defining network architecture based on organizational needs, including LANs, WANs, and other data communication networks.

Derive, decompose, and flow down cybersecurity requirements across software, hardware, and network components.

Conduct threat modeling, attack surface analysis, and vulnerability assessments focused on network interfaces, protocols, and services.

Configuring, installing, and maintaining routers, switches, firewalls, and other network devices.

Regularly maintaining network hardware, software, and configurations to ensure optimal performance and reliability.

Diagnosing and resolving network issues, including hardware, software, and connectivity problems.

Provide expert guidance and training to junior team members and other departments on cyber security best practices.

Able to work independently without supervision and meet quick deployment deadlines ensuring the solutions meet the customer's product requirements.

Occasional local and domestic travel for program-related meetings with external contractors/offices.

This requisition may be filled at either the Principal Cyber Network Systems Engineer or Senior Principal Cyber Network Systems Engineer level.
Basic Qualifications for Principal Cyber Network Systems Engineer:

Bachelor's degree with 5 years of related experience, a Master's degree with 3 years of experience, or a PhD with 1 year of experience; alternatively, 9+ years of real-world software engineering and cyber experience in lieu of a college degree.

U.S. citizenship with the ability to obtain a Secret clearance.

Must possess a current DoD 8140 (DoD 8570) certification for IAT Level II or higher prior to the start date (e.g., Security+ CE).

Experience working with switching and routing

Experience in CMMC certifications and NIST 800-171 compliance.

Experience with vulnerability remediation.

Proficiency with the Data Collection and Indexing tool Splunk.

Basic Qualifications for Senior Principal Cyber Network Systems Engineer:

Bachelor's degree with 8 years of related experience, a Master's degree with 6 years of experience, or a PhD with 4 years of experience; alternatively, 12+ years of real-world software engineering and cyber experience in lieu of a college degree.

U.S. citizenship with the ability to obtain a Secret clearance.

Must possess a current DoD 8140 (DoD 8570) certification for IAT Level II or higher prior to the start date (e.g., Security+ CE).

Experience working with switching and routing

Experience in CMMC certifications and NIST 800-171 compliance.

Experience with vulnerability remediation.

Proficiency with the Data Collection and Indexing tool Splunk.

Preferred Qualifications for Both Levels:

Knowledge of NIST 800-160.

Understanding of the Systems Engineering V Model.

Active Top Secret security clearance at the time of application.

Experience with Department of Defense (DoD) System Security Engineering activities.

Knowledge of Risk Management Framework (RMF), Security Technical Implementation Guide (STIG), and requirements development from control listings.

Proficiency in network security protocols, software development, and system architecture design.

Experience with cloud computing platforms such as OpenStack.

Familiarity with both Linux and Microsoft computing systems.

Strong communication and interpersonal skills, capable of effectively interfacing with employees and management at all levels.

Experience executing vulnerability scans and developing and maintaining security documentation, including ISSPs and POA&Ms.

Experience with anti-malware and intrusion prevention software (e.g., Symantec Endpoint Protection).

Experience in Agile development methodologies.

Ability to provide detailed instructions, demonstrations, and training to individuals and groups.

Capability to assess the program's system security posture in compliance with customer requirements and directives.

We look forward to your application and the opportunity to welcome you to our team.
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Primary Level Salary Range: $104,800.00 - $182,000.00Secondary Level Salary Range: $130,500.00 - $226,700.00The 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.

Client-provided location(s): Annapolis, MD

Job ID: NorthropGrumman-R10205201

Employment Type: OTHER

Posted: 2025-09-06T20:13:26