Northrop Grumman

Sr. Principal Cyber Systems Engineer

Northrop Grumman$156K — $234K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's in a STEM field with 8+ or 6+ years of experience respectively; PhD with 4+ years.
  • One of the following certifications required: DoD 8140, DoD 8570 IAM Level II, CompTIA SecurityX/CASP, CISSP, CSSLP.
  • Experience in preparing and defending IS accreditation packages.
  • Familiar with DoD RMF and JSIG for SAP/SCI systems.
  • Proven ability to validate security posture and support risk-acceptance recommendations.
  • Experience engaging with various stakeholders at multiple levels.
  • Active US Government Top Secret clearance required.

Responsibilities

  • Lead cybersecurity development and sustainment efforts by assessing risks and implementing mitigations.
  • Design and validate security solutions for systems through an integrated engineering approach.
  • Prepare and present IS security accreditation packages as ISSE or ISSM.
  • Apply DoD RMF/JSIG requirements for system security processes.
  • Validate and report on security controls implementation effectiveness.
  • Translate RMF controls into actionable system and design-level requirements.
  • Support vulnerability management and compliance verification with approved tools.

Benefits

  • Relocation assistance may be available.
  • Full-time onsite work required with no remote options.
  • Travel may be required up to 25% of the time.
  • Access to a comprehensive benefits package including health, life, and disability insurance.
  • Paid time off and company-paid holidays included.
  • Eligibility for overtime, shift differentials, and discretionary bonuses.
Full Job Description
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Top Secret

TRAVEL: Yes, 25% of the TimeDescription

Northrop Grumman Aeronautics Systems has an opening for a Sr. Principal Cyber Systems Engineer to join our team of qualified, diverse individuals in Rancho Bernardo, CA. The candidate should be a self-starter with familiarity working in an Integrated Product Team construct.

Roles and Responsibilities include:
  • Lead and support Development and Sustainment cybersecurity execution by identifying risks and driving technical and programmatic remediation across engineering, cybersecurity, program, and customer stakeholders.
  • Design, develop, integrate, test, verify, and validate system security solutions.
  • Prepare, review, and defend accreditation packages as an Information Systems Security Engineer (ISSE) or Information Systems Security Manager (ISSM).
  • Apply working knowledge of DoD RMF and JSIG requirements for SAP/SCI systems.
  • Validate information system security posture, interpret and report findings, and support risk-acceptance recommendations related to security controls implementation.
  • Translate RMF controls into system- and design-level requirements, including decomposition, verification planning, and traceability.
  • Support vulnerability management, cybersecurity scanning and assessment, compliance package development, and requirements verification using approved tools (e.g., ACAS, Nessus).
  • Support host and network hardening using DISA STIGs and SRGs for Windows, UNIX/Linux, hypervisor, and containerized environments.
  • Coordinate with systems engineering, software, integration/test, configuration management, security, and program teams to support cybersecurity execution across the system lifecycle.
  • Prepare and present cybersecurity and systems engineering materials for reviews, working groups, and stakeholder discussions.
  • Apply systems thinking to assess cybersecurity impacts across architecture, operational constraints, program execution, and mission needs.
  • Drive process improvements that strengthen cybersecurity planning, traceability, risk management, and closure discipline.
  • Provide technical leadership, mentoring, and coordination across multiple stakeholders and disciplines.
  • Strong organizational and communication skills


This role requires full-time onsite work at the Rancho Bernardo, CA facility. There is no remote, hybrid, or telework availability for this position. Travel up to 25% may be required in support of program needs.

Basic Qualifications:
  • Bachelor of science degree in a STEM (Science, Technology, Engineering, Math) discipline and 8 years of related engineering experience; OR a Master of science degree in a STEM discipline and 6 years of engineering experience, or a PhD in a STEM discipline and 4 years of related experience.
  • Must have one of the following certifications: DoD 8140 Cyber Workforce qualification, DoD 8570 IAM Level II, CompTIA SecurityX / CASP, CISSP, or CSSLP.
  • Experience preparing and defending accreditation packages as an ISSE or ISSM.
  • Experience working with DoD RMF and JSIG for SAP/SCI systems.
  • Experience validating security posture, reporting findings, and supporting risk-acceptance recommendations.
  • Experience engaging with stakeholders at multiple levels.
  • Must have an active US Government Top Secret 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


Preferred Qualifications:
  • Current SAP access.
  • Advanced cybersecurity certifications (e.g., CISSP-ISSEP, CISSP-ISSAP, CSSLP).
  • Experience with vulnerability management, cybersecurity assessment and scanning, compliance/authorization packages, and ATO documentation.
  • Experience with NIST publications, federal regulations, DoD RMF controls, and cybersecurity authorization requirements.
  • Experience with IT principles and practices, including software design, test, and integration.
  • Familiarity with Windows and UNIX/Linux platforms (e.g., Red Hat), hypervisor, and containerized environments.
  • Experience designing/reviewing hardening using DISA STIGs/SRGs.
  • Experience developing and evaluating information systems across the systems development lifecycle in a secure environment.
  • Experience working in an Integrated Product Team with engineering, cybersecurity, software, integration/test, configuration management, security, customer, and program stakeholders.


Primary Level Salary Range: $156,400.00 - $234,600.00

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.

About Northrop Grumman

Northrop Grumman is a security company that provides systems, products, and solutions in aerospace, electronics, information systems, shipbuilding, and technical services to government and commercial customers. They design, develop, and build everything from aircraft and spacecraft to cyber security systems. The company is involved in a wide range of defense and technology projects, including the development of aircraft, space systems, cybersecurity solutions, and advanced electronics.

Northrop Grumman Careers

Join the elite team at Northrop Grumman, a leading global security company providing innovative systems, products, and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide. There has never been a more exciting time to advance your career with Northrop Grumman.

Work You’ll Do

At Northrop Grumman, your work will redefine the edges of technology and create a safer future. Our culture thrives on intellectual curiosity, cognitive diversity, and bringing your whole self to work. Our team is at the forefront of innovation, collaborating to make the impossible, possible.

Explore Job Opportunities and Growth

Whether you’re looking for an internship, an entry-level position, or a spot for seasoned professionals, Northrop Grumman offers a variety of career paths that encourage growth and development. Explore job opportunities that elevate your skills, and push your career to the next level.

Join Our Diverse and Inclusive Team

Diversity and inclusion are the foundations of our culture. Northrop Grumman is committed to building a diverse team that fosters an inclusive environment, where every team member is valued for their unique perspectives and contributions. We believe that diversity fuels innovation.

Professional Development and Benefits

Northrop Grumman is dedicated to your professional and personal growth. We offer unparalleled benefits, including comprehensive health coverage, generous time off, and family care resources. Additionally, we provide extensive leadership and diversity training to help you craft your career path.

Networking and Leadership

Enhance your career through our robust networking opportunities. Connect with leaders and peers within Northrop Grumman through various events, mentorship programs, and professional groups. Our leadership is deeply invested in nurturing talent and guiding team members through their career journey.

Innovation in Technology

Drive technological breakthroughs with a company at the cutting edge of innovation. Northrop Grumman is a place where you can work on projects that push the boundaries of what is possible.

How to Apply

Ready to join our team? Check out the open positions on our Careers page. Tailor your resume to highlight your relevant skills and experiences. Prepare for your interview with us by researching our projects and understanding our company’s mission and values.

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Northrop Grumman Jobs

Discover the impact you can make with a career at Northrop Grumman. We are actively hiring and looking for passionate, curious, and solution-driven team players. Search Northrop Grumman jobs today and find where your expertise is needed most. Join Northrop Grumman, and be part of a team that is dedicated to making a difference, not only within the company but in the world at large. Your journey to building a rewarding career starts here.
Learn more about Northrop Grumman
Size
88,000 employees
Market Cap
$82.7 billion
Industry
Net Income
$3.1 billion
Founded
1939
5 Year Trend
+7.6%
Revenue
$36.7 billion
NASDAQ

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