Senior Cyber Systems Engineer - Top Secret, Onsite

Northrop Grumman; San Diego (CA); On-site; USD 195,000 - 292,000; Full time

Benefits offered by this job

Relocation assistance

Health insurance

Life insurance

Disability insurance

Savings plan

Paid holidays

Paid time off

Job summary

Northrop Grumman in Rancho Bernardo, CA, seeks a senior Information Systems Security Engineer/Manager to lead cybersecurity across RMF/JSIG for SAP/SCI environments. This full-time, onsite role requires a Top Secret clearance and travel up to 25%.

You will design, test, and review accreditation packages, coordinate with engineering and cybersecurity teams, and provide technical leadership. A STEM degree with extensive engineering experience and credentials such as CISSP or CSSLP are highly

Qualifications

• Bachelor’s Degree in STEM with 12+ years of Engineering experience OR at least 10 years with Master’s Degree OR at least 8 years with PhD.
• Active U.S. Government Top Secret clearance with a background investigation within the last 6 years or enrollment in Continuous Evaluation.
• Ability to obtain and maintain Special Access Program (SAP) clearance.
• One of the following: 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.
• Working knowledge of DoD RMF and JSIG for SAP/SCI systems.
• Experience validating security posture, reporting findings, and supporting risk-acceptance recommendations.

Responsibilities

• Lead and support Development and Sustainment cybersecurity execution by identifying risks and driving 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 ISSE or 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 (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.

Skills

Security engineering

RMF/JSIG knowledge

DoD 8140 / 8570 qualifications

Accreditation packages

Stakeholder collaboration

Communication skills

Education

Bachelor's Degree in STEM

Tools

ACAS

Nessus

Job description

Northrop Grumman in Rancho Bernardo, CA, seeks a senior Information Systems Security Engineer/Manager to lead cybersecurity across RMF/JSIG for SAP/SCI environments. This full-time, onsite role requires a Top Secret clearance and travel up to 25%.

You will design, test, and review accreditation packages, coordinate with engineering and cybersecurity teams, and provide technical leadership. A STEM degree with extensive engineering experience and credentials such as CISSP or CSSLP are highly