C-UAS Cyber Security Engineer - Tactical Network Security

Leidos; Alexandria (VA); Hybrid; USD 87,000 - 157,000; Full time

Job summary

Leidos is hiring a Mid-Level Cyber Security Engineer to secure the Army’s Counter-UAS (C-UAS) Network Communication System (NCS) in Alexandria, VA. You’ll engineer, implement, and test security controls to protect M-LIDS and FS-LIDS systems supporting SHORAD missions, blending coding, testing, RMF/ATO support, and Agile teamwork in contested environments.

The role requires a Bachelor's in Cybersecurity/CS/Engineering with 4–7 years of cybersecurity experience, DoD Secret clearance with ability

Qualifications

• Bachelor's in Cybersecurity/CS/Engineering with 4–7 years cybersecurity experience.
• DoD Secret clearance with ability to obtain Top Secret.
• 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.

Responsibilities

• 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.

Skills

C/C++/Python/Java

Encryption

MFA

Access control

Vulnerability assessment

Agile development

RMF/ATO familiarity

Education

Bachelors in Cybersecurity/CS/Engineering

Tools

Job description

Leidos is hiring a Mid-Level Cyber Security Engineer to secure the Army’s Counter-UAS (C-UAS) Network Communication System (NCS) in Alexandria, VA. You’ll engineer, implement, and test security controls to protect M-LIDS and FS-LIDS systems supporting SHORAD missions, blending coding, testing, RMF/ATO support, and Agile teamwork in contested environments.

The role requires a Bachelor's in Cybersecurity/CS/Engineering with 4–7 years of cybersecurity experience, DoD Secret clearance with ability