Guardian Nexus LLC
Cybersecurity Consulting & Intelligent Automation
Security engineering, compliance automation, and mission-critical software — built by cleared professionals who understand what's actually at stake.
Services
Security engineering, offensive security, and compliance testing for enterprises, system integrators, and government programs.
Red Team & Penetration Testing
Adversary simulation and network penetration testing against real-world threat models. We identify how attackers would breach your environment before they do.
Security Engineering
Architecture, design, and hardening of secure systems for classified and sensitive environments. Security control implementation, RMF authorization support, STIG compliance, and systems engineering for environments operating at multiple classification levels.
CSfC Testing & Evaluation
Commercial Solutions for Classified (CSfC) component and solution-level testing aligned with NSA Capability Packages. We validate that your CSfC architecture meets classification requirements.
Cross Domain Solution (CDS) Testing & Evaluation
Independent testing and evaluation of Cross Domain Solutions for multi-level security environments. Verification of NCDSMO Raise the Bar Requirements for transfer, access and Multi-Level Security systems.
Interested in working with us?
support@guardiannex.usProducts
Software tools built from real-world experience in compliance and defense contracting.
AuditKit
Multi-framework compliance scanning. SOC2, PCI-DSS, HIPAA, ISO 27001, CMMC Level 2.
Multi-framework compliance scanning and CMMC Level 2 automation
Open source, runs on your machine
What it does
- Scans AWS, Azure, Microsoft 365
- Maps findings to compliance frameworks
- Generates evidence checklists
- C3PAO assessment preparation
- Continuous monitoring
Resume Nexus
AI-powered resume screening and job matching for hiring teams in defense, technology, and government contracting. Evidence-based candidate scoring with full transparency — no black-box results.
What it does
- Batch resume screening with AI-powered ranking
- Detailed match/gap breakdowns for every candidate
- Bring your own AI provider (OpenAI, Anthropic, Ollama)
- Configurable data retention and full export
- Starter, Professional, and Enterprise tiers
About
Guardian Nexus is a cybersecurity firm providing security consulting and intelligent automation for enterprises, defense contractors, and regulated industries.
Our team holds active security clearances and brings 20+ years of experience across cybersecurity, systems engineering, and defense programs. We understand classified environments, compliance mandates, and the operational realities of working in the defense industrial base.
Whether it's testing your network's defenses, validating a Cross Domain Solution, or automating your CMMC compliance workflow — we approach every engagement with the same standard: mission-critical reliability.
Follow the Guardian Nexus Substack for product updates, industry insights, and upcoming features. We always welcome feedback and feature requests.