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Leidos · 5 hours ago

Intrusion Detection Systems (IDS) Engineer

Woodlawn, MD

Full-time

Onsite

Mid Level

$87K/yr - $157K/yr

3+ years exp

Leidos is seeking a skilled Intrusion Detection Systems (IDS) Engineer to manage and maintain the agency’s network infrastructure. This role focuses on operating Network IDS platforms such as Snort 3.x, developing detection signatures, and supporting Security Operations through proactive threat detection and analysis.

ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware

No H1B

U.S. Citizen Only

Responsibilities

Manage, configure, and maintain Snort 3.x servers and applications

Monitor and optimize network intrusion detection platform performance

Ensure high availability and reliability of IDS infrastructure

Perform system updates, patches, and upgrades as needed

Create, test, and maintain YARA signatures for malware detection

Develop and tune Snort rules to detect emerging threats

Utilize regular expressions to build effective detection patterns

Analyze false positives and refine signatures for accuracy

Collaborate with Security Operations team on threat detection and response

Provide technical expertise on IDS alerts and network security events

Participate in incident response activities when network intrusions are detected

Document procedures, configurations, and security findings

Execute Unix/Linux command line operations for IDS and security tool management

Automate routine tasks through scripting and configuration management

Troubleshoot system and application issues independently

Maintain system logs and audit trails

Qualification

Snort 3.xNetwork securityUnix/LinuxDetection signaturesTCP/IP networkingAgile MethodologyScripting skillsIndustry certificationsProblem-SolvingCommunicationSelf-Starter