Cybersecurity Systems Engineer

Cybersecurity Systems Engineer

Shepherd multiple Navy information systems through the full ATO lifecycle (Categorize, Select, Implement, Assess, Authorize, Monitor)

Build and maintain authorization package artifacts: SSPs, SAPs, SARs, RARs, POA&Ms, architectural diagrams, HW/SW inventories, and continuous monitoring strategies

Develop, review, and maintain authorization boundary diagrams that clearly delineate system scope, data flows, interconnections, and external interfaces

Assess and validate NIST SP 800-53 security controls; write control satisfaction narratives with rigor to withstand SCA/AO scrutiny

Implement and validate STIGs across diverse system components; track findings through resolution or risk acceptance

Conduct vulnerability scans (ACAS/Nessus, SCAP), interpret results, and translate findings into remediation plans and residual risk determinations

Manage POA&M items - creation, milestone tracking, risk characterization, and closure with evidence

Support continuous monitoring including periodic control assessments, ongoing authorization evidence collection, and change-impact analysis

Integrate security assessment activities into DevSecOps CI/CD pipelines where applicable

Experience executing the RMF lifecycle (NIST SP 800-37) from categorization (FIPS 199/CNSSI 1253) through ATO and continuous monitoring

Control Assessment: Knowledge of NIST SP 800-53; ability to assess implementations, write defensible narratives, and identify gaps

STIG Implementation: Experience applying and verifying STIGs across OSes, network devices, databases, and applications using STIG Viewer and SCAP tools

Vulnerability Management: Experience with ACAS/Nessus; ability to interpret results and drive remediation

Documentation: Ability to produce and maintain RMF artifacts (SSPs, SARs, SAPs, RARs, POA&Ms) that satisfy RMF requirements

Stakeholder Communication: Can translate technical findings into risk-informed language for system owners and PMs

Systems Engineering Foundation: Understanding of system architectures, data flows, boundaries, and how security requirements map to implementations

Experience with Navy RMF implementation, including Navy-specific overlays, NAVSEA processes, and authorization workflows

Experience with eMASS and VRAM

Experience with DoD cloud authorization (IL4IL6), FedRAMP reciprocity, or container security (Kubernetes/OpenShift)

Relevant certifications: Security+, CISSP, and/or AWS security certs

Experience with DevSecOps toolchains and security gates in CI/CD pipelines

Experience supporting SCA evaluations or serving as an ISSE

Works independently under limited direction across concurrent efforts

Identifies opportunities to apply AI for continuous improvement and innovation

Active Secret clearance (or ability to get one within a reasonable amount of time)

Salary range USD $85,807.00 - USD $95,193.00 /Yr.

General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans