C-UAS Cyber Security Architect

Cyber Security Architect – C‑UAS Network Communication System (NCS)

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

Clearance: ActiveSecret withthe ability to obtain a Top-Secret security clearance.

This position is contingent upon contract award.

Leidos is seeking aCyber Security Architect to lead end‑to‑end security architecture, risk analysis, and ATO strategy for the Army’sCounter‑UAS (C‑UAS) Network Communication System (NCS). You will define the secure design that protectsM‑LIDS andFS‑LIDS systems supportingShort‑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.

Key Duties

• Define and lead the NCSsecurity architecture, trust boundaries, and system‑wide controls.
• Architectencryption,identity/MFA, andRBAC for tactical and DIL environments.
• Design securecloud integration andzero‑trust remote access for tactical data pipelines.
• Lead RMF/ATO strategy, author key artifacts, and coordinate with ISSM/ISSO/AO stakeholders.
• Conduct architecture‑levelthreat 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 secure‑by‑design principles.

Basic Qualifications

• Bachelor’s in Cybersecurity/CS/Engineering +10+ years cybersecurity/security architecture experience.
• ActiveSecret clearance with the ability to obtain a Top Secret Clearance
• DoD 8570/8140IAT/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 hands‑on development of security architecture artifacts.
• Experience with threat modeling, Agile security oversight, and briefing senior government stakeholders.

Preferred Qualifications:

• Experience withC‑UAS/SHORAD/LIDS programs.
• Security architecture for fielded DoD tactical networks.
• eMASS/RMF control assessment experience.
• Familiarity with DoD crypto standards and DIL network security.
• DevSecOps/CI‑CD security architecture experience.
• Advanced certifications (CISSP‑ISSAP, 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.

Original Posting:

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.