C-UAS Cyber Security Architect

Description Cyber Security Architect - CUAS Network Communication System (NCS)

Locations: Huntsville, AL and Alexandria, VA. Telecommuting may be available.

Clearance: Active Secret with the ability to obtain a Top-Secret security clearance.

This position is contingent upon contract award.

Leidos is seeking a Cyber Security Architect to lead endtoend security architecture, risk analysis, and ATO strategy for the Army's CounterUAS (CUAS) Network Communication System (NCS). You will define the secure design that protects MLIDS and FSLIDS systems supporting Short Range Air Defense (SHORAD) missions.

This role owns the security architecture across the lifecycle-encryption, authentication, access control, secure cloud/remote access patterns, RMF/ATO artifacts, and threat modeling-while guiding engineering teams and defending the technical approach to government stakeholders.

• Define and lead the NCS security architecture
  , trust boundaries, and systemwide controls.
• Architect encryption
  , identity/MFA
  , and RBAC for tactical and DIL environments.
• Design secure cloud integration and zerotrust remote access for tactical data pipelines.
• Lead RMF/ATO strategy, author key artifacts, and coordinate with ISSM/ISSO/AO stakeholders.
• Conduct architecture level threat modeling and risk assessments; define design level mitigations.
• Provide security oversight to Agile engineering teams; review sprint deliverables for compliance.
• Represent security architecture during government assessments and TIMs; maintain architecture documentation.
• Mentor cybersecurity engineers and enforce securebydesign principles.

• Bachelor's in Cybersecurity/CS/Engineering +
  10+ years cybersecurity/security architecture experience.
• Active Secret clearance with the ability to obtain a Top Secret Clearance
• DoD 8570/8140 IAT/IASAE II/III certification (CISSP, CASP+, etc.).
• Proven experience architecting security for complex networked/tactical systems.
• Expertise in encryption, identity/authentication, access control, and secure cloud/remote access design.
• Strong RMF/ATO experience and handson development of security architecture artifacts.
• Experience with threat modeling, Agile security oversight, and briefing senior government stakeholders.

• Experience with CUAS/SHORAD/LIDS programs.
• Security architecture for fielded DoD tactical networks.
• eMASS/RMF control assessment experience.
• Familiarity with DoD crypto standards and DIL network security.
• Dev Sec Ops /CICD security architecture experience.
• Advanced certifications (CISSPISSAP, CISM, GIAC).

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

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