Jobs Companies Leidos C-UAS Cyber Security Engineer

About this C-UAS Cyber Security Engineer role at Leidos

Leidos · Onsite · Alexandria, VA

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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How this Security Engineer salary compares

This role pays $122,275/yrin line with the typical range for Security Engineer roles.

$81,225 median $136,875 $164,750

Typical range $96,156–$159,369/yr, from 6 comparable Security Engineer listings on JobsRadar (pay annualized to USD). See Security Engineer salary insights →

About Leidos

Leidos 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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are

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