Senior Principal Systems Security Engineer

Northrop Grumman

Confirmed live yesterday Trusted

Quick summary

Work type: On-site
Location: Oklahoma City, OK
Salary: $102,600–$153,800 / yr
Employment: Full-time
Posted: 21 days ago
Freshness: Confirmed live yesterday
Nearby: 99+ roles within 25 mi

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $185k

This role $128k

$88k $240k

below market most similar roles pay here above market

This role pays less than 92% of similar roles. Most pay $156,050–$214,500 — the blue band above. At the midpoint, this role pays about $128k versus about $185k for comparable roles.

Based on 240 similar postings.

Employer

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company providing systems in autonomous systems, cyber, C4ISR, space, strike, and logistics. Industry: Aerospace & Defense

Northrop Grumman currently has 629 open roles on FindRole.

Listed pay typically runs $117,500–$176,300 across 314 roles with salary data.

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View all roles at Northrop Grumman

At a glance

TL;DR · Senior Principal Systems Security Engineer

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The Systems Security Engineer (Principal or Senior Principal Level) joins the Systems Engineering organization to manage security across the entire system acquisition and development lifecycle. This role involves developing Program Protection Implementation Plans, Supply Chain Risk Management plans, and Counterfeit Prevention plans. Key responsibilities include performing supply chain vulnerability assessments, developing Hardware/Software Bills of Materials, conducting criticality analyses, and monitoring system changes. The engineer must apply cybersecurity engineering based on NIST, CNSSI, and Risk Management Framework processes. Required skills include experience with security requirements engineering, attack path modeling, and mitigation strategies. Candidates should be proficient in Agile development and possess certifications like CompTIA Security+ or CISSP. The work focuses on ensuring mission assurance through robust program protection and supply chain risk management for complex systems.

Skills

Risk Management Framework (RMF) NIST Cybersecurity Engineering Supply Chain Risk Management (SCRM) Program Protection Agile Embedded Systems Cloud Computing Cameo Attack Path Modeling Criticality Analysis CompTIA Security+ CISSP

What you'll do

Manage supply chain risk, program protection, and counterfeit parts prevention planning across the system lifecycle.
Perform supply chain vulnerability assessments and document findings to recommend specific mitigations and countermeasures.
Develop and refine Hardware/Software Bills of Materials and conduct criticality analyses of system components.
Implement cybersecurity engineering based on NIST, CNSSI, and Risk Management Framework (RMF) standards.
Review system vulnerability scans and mitigation reports to ensure mission assurance.
Provide technical leadership and oversight to junior engineers, suppliers, and subcontractors during design and testing.
Prepare technical documentation, briefings, and procedures for security-related working groups and authorization efforts.
Serve as a technical liaison and external spokesperson for cyber functional areas and management.

What we're looking for

U.S. Citizenship is required.
Must possess a final adjudicated U.S. government Secret clearance.
Must have a DoD 8140.01 qualifying certification, such as CompTIA Security+ or CISSP.
For Principal level: Bachelor’s in STEM with 5 years experience, Master’s with 3 years, or PhD with 1 year.
For Sr. Principal level: Bachelor’s in STEM with 8 years experience, Master’s with 6 years, or PhD with 4 years.
Must have experience with US Government System Security Engineering, including risk assessment, secure architecture, and RMF processes.
Must have experience developing and managing Program Protection, Supply Chain Risk, and Counterfeit Parts Prevention plans.
Must have experience providing oversight and guidance to junior engineers, suppliers, and subcontractors.
Experience with embedded or cloud computing environments (preferred).
Experience with Model Based Systems Engineering tools like Cameo (preferred).
Familiarity with various DoDI and NIST cybersecurity supply chain standards (preferred).
Ability to obtain a DoD Top Secret security clearance (preferred).

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