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Leidos

C-UAS Cyber Security Engineer

Leidos Huntsville, Alabama, United States · $87K–$157K/yr

Defense and Space Manufacturing · 10,001+ employees

19 h ago
Remote security Senior (5-10 yrs) Full-time United States
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About the role

The engineer will implement and test security controls such as encryption and access control for the Army's C-UAS Network Communication System. They will also conduct vulnerability scanning, security regression testing, and support RMF/ATO compliance activities within Agile sprint cycles.

What they look for

Cybersecurity C C++ Python Java Encryption MFA Access Control Vulnerability Assessment Agile Development RMF ATO Cloud Integration DIL Operations Penetration Testing Network Communication

Requirements

Candidates must hold a Bachelor's degree in Cybersecurity, CS, or Engineering and possess 4–7 years of relevant experience. An active DoD Secret clearance is required, along with a DoD 8570/8140 certification.

Full description

Cyber Security Engineer – C‑UAS 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 hiring a Mid‑Level Cyber Security Engineer to secure the Army’s Counter‑UAS (C‑UAS) Network Communication System (NCS). You’ll engineer, implement, and test security controls that protect M‑LIDS and FS‑LIDS systems supporting Short‑Range Air Defense (SHORAD) missions. This role blends hands‑on coding, security testing, RMF/ATO support, and Agile team collaboration to deliver secure tactical software in contested environments.

Key Duties

  • Implement and test encryption, MFA, and access control within tactical software.
  • Conduct vulnerability scanning, security regression testing, and penetration‑testing support.
  • Contribute security requirements, reviews, and documentation for NCS upgrades.
  • Validate secure cloud data pipelines and remote access (zero‑trust, VPN, gateways).
  • Support RMF/ATO activities, patch assessments, compliance checks, and government security testing.
  • Track and remediate findings in Agile sprint cycles; present results at TIMs and reviews.

Basic Qualifications

  • Bachelors in Cybersecurity/CS/Engineering + 4–7 years cybersecurity experience.
  • DoD Secret clearance with ability to obtain a Top Secret clearance.
  • Experience coding and testing security controls (C/C++/Python/Java).
  • DoD 8570/8140 certification (Security+, CySA+, CASP+, CISSP, etc.).
  • Hands‑on experience with encryption, MFA, access control, vulnerability assessment, and Agile development.
  • Familiarity with RMF/ATO, secure cloud integration, DIL operations, and secure remote access.

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:

September 9, 2026

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:

Pay Range $87,100.00 - $157,450.00

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.

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