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Cyber Systems Engineer (Principal or Senior Principal Level)

Northrop Grumman

Posted today

Job Requirements

San Diego, CA
Secret Polygraph Unspecified
Career Level not specified
$114,000 - $171,000

Job Description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the TimeDescription

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.

Northrop Grumman's Aeronautics Systems sector is seeking a Cyber Systems Engineer (Principal or Senior Principal Level) to join our team of qualified, diverse individuals in defining the future. This position will be located in Rancho Bernardo, CA or Redondo Beach, CA.

In this role, you will play a pivotal role in both new system development and the ongoing sustainment of existing platforms by applying a solid working knowledge of the Risk Management Framework (RMF) to identify, assess, and mitigate cybersecurity risks. You will design, develop, integrate, test, and verify system-security solutions, ensuring that each RMF step, from categorization through continuous monitoring produces the required artifacts: Security Assessment Plan (SAP), Security Assessment Report (SAR), Risk Assessment Report (RAR), System Security Plan (SSP), Plan of Action & Milestones (POA&M), Security Control Traceability Matrix (SCTM), and Continuous Monitoring (ConMon) documentation needed to obtain and sustain an Authority to Operate (ATO).

This role requires hands-on experience with NIST SP 800-53 and a solid understanding of the Systems Development Life Cycle (SDLC), including the key engineering milestones (PDR, CDR, SFR, TRR) and the associated cybersecurity deliverables required at each engineering phase. The ideal candidate will be proficient in creating and maintaining the full suite of compliance documentation, adept at embedding security controls directly into development pipelines, and possess strong communication skills to work effectively with architects, developers, program managers, and auditors throughout the acquisition and systems development lifecycles.

You will also be expected to understand:
  • Direct experience developing RMF assessment and authorization artifacts in accordance with NIST SP 800-37
  • Hands on experience using security compliance tools (e.g., ACAS, SCAP, STIG, SCC),
  • Direct experience developing RMF assessment and authorization artifacts in accordance with NIST SP 800-37
  • Hands on experience using security compliance tools (e.g., ACAS, SCAP, STIG, SCC),

This role may be filled at either the Principal or Senior Principal level, based on the qualifications below.

Basic Qualifications:

Principal Cyber Systems Engineer: (T03):
  • Must have a Bachelors degree in a STEM field and at least 5 years of relevant military / professional experience in Engineering, OR a Master's Degree in a STEM field and at least 3 years of relevant military / professional experience in Engineering, OR a PhD and at least 1 year of relevant military / professional / academic experience in Engineering


At a Senior Principal Level (T04):
  • Must have a Bachelors degree in a STEM field and at least 8 years of relevant military / professional experience in Engineering, OR a Master's Degree in a STEM field and at least 6 years of relevant military / professional experience in Engineering, OR a PhD and at least 4 years of relevant military / professional experience in Engineering


At Both Levels:
  • Must have an active US Government Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation).
  • Must have the ability to obtain and maintain Special Access Program (SAP) clearance within a reasonable amount of time as determined by business needs.


Preferred Qualifications:
  • Direct Experience utilizing NIST 800-160 system security engineer and the system development life cycle.
  • Prior experience with Cyber Survivability Endorsement Implementation Guide (CSEG), and Cyber Resiliency.
  • Implement and review the application of cybersecurity profile stereotypes to a Model Based System Engineering (MBSE) Architecture
  • Author and review requirement decomposition, derivation, and flow down
  • Implement and review traceability of requirements throughout a spec tree architecture
  • Implement, review and assess cybersecurity system requirements verification/validation methods
  • Understanding of Contractual requirements, architecture, design, implementation, integration, verification & validation, field test, etc.
  • Prior experience working on Weapon Systems
  • Current/active **Secret** clearance
  • Active US Government Cyber Workforce Framework (CompTIA Security+) certification or able to obtain within 6 months of hire


Primary Level Salary Range: $114,000.00 - $171,000.00

Secondary Level Salary Range: $142,500.00 - $213,400.00

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.
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Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day using science, technology and engineering to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines. © 2025 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.
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Job Category
IT - Security
Clearance Level
Secret