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Defense & Federal Systems Integrator

Secure infrastructure for mission-critical programs.

Citadel delivers compliant, resilient systems engineering for defense contractors and federal agencies — from concept through sustainment.

Modern engineered high-rise headquarters against a deep blue sky
ISO 9001Quality Management
CMMC L2Cyber Compliance
$180M+Programs Delivered
24/7Mission Operations
Core Capabilities

Engineered for the standards your contracts demand.

A single integrator across the domains that matter most to program managers and contracting officers.

Systems Engineering

Requirements, architecture, and integration built to DoD and federal acquisition standards.

Cybersecurity & RMF

ATO support, continuous monitoring, and CMMC-aligned controls across the enterprise.

C5ISR Solutions

Command, control, and intelligence systems fielded for CONUS and OCONUS operations.

Logistics & Sustainment

Lifecycle support that keeps mission systems ready, maintainable, and audit-clean.

Software Factory

Secure DevSecOps pipelines delivering accredited software at operational tempo.

Program Management

EVMS-compliant delivery with the reporting rigor federal programs require.

The Citadel Approach

Compliance is the baseline. Reliability is the product.

We build to withstand audits, adversaries, and operational stress — so your program office never has to explain a gap.

Every engagement includes
  • Cleared, badged personnel matched to program needs
  • NIST 800-171 / CMMC-aligned delivery from day one
  • Traceable requirements and audit-ready documentation
  • Continuity planning for uninterrupted mission operations
Past Performance

Trusted across the defense industrial base.

Prime AAgency BCommand CContractor DProgram E
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