Security Tools Engineer - TS/SCI Network Visibility

Leidos LLC; Suitland (MD); On-site; USD 108,000 - 195,000; Full time

Benefits offered by this job

Health and Wellness programs

Income Protection

Paid Leave

Retirement

Job summary

Leidos is seeking an experienced Network Security Tools Engineer to join our cybersecurity team in Suitland, MD. You will administer, engineer, and optimize enterprise security tools to provide visibility, monitoring, detection, and protection across a mission critical environment.

The role requires active TS/SCI clearance, 8+ years of relevant experience or a Master’s with 6+ years, and hands-on work with SIEM, firewalls, IDS/IPS, endpoint security, and network visibility solutions.

Qualifications

• Bachelor’s degree or equivalent with 8+ years experience, or a Master’s with 6+ years.
• Active TS/SCI security clearance in DISS.
• Hands-on with information security, network administration or enterprise security tools.
• Solid networking knowledge: TCP/IP, DNS, DHCP, HTTP/S, routing and architecture.
• Experience with enterprise cybersecurity tech: Splunk, Sentinel, Elastic, CrowdStrike, Palo Alto, Wireshark, SteelCloud.
• Experience with Linux and Windows and troubleshooting complex tool issues.
• Ability to work with technical teams in a mission-critical enterprise.

Responsibilities

• Deploy, configure, administer, upgrade, and maintain enterprise security tools (SIEM, firewalls, proxies, IDS/IPS, endpoint security).
• Monitor health, availability, performance, and data ingestion of cybersecurity tools.
• Troubleshoot tool performance, connectivity, integration, and data collection issues.
• Support integration of security technologies across networks, systems, and platforms.
• Collaborate with SOC to optimize detections, reduce false positives, and improve alerts.
• Provide technical support during incidents and outages for security monitoring.
• Assist with automation and orchestration of cybersecurity tools via scripting.
• Analyze telemetry to identify gaps and improvements for visibility.
• Maintain architecture diagrams, runbooks, and asset inventories.

Skills

TS/SCI clearance

Networking concepts

Security tools management

Linux/Windows

Education

Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or related technical discipline

Tools

Splunk

Microsoft Sentinel

Elastic

CrowdStrike

Palo Alto Networks

Wireshark

SteelCloud

Job description

Leidos is seeking an experienced Network Security Tools Engineer to join our cybersecurity team in Suitland, MD. You will administer, engineer, and optimize enterprise security tools to provide visibility, monitoring, detection, and protection across a mission critical environment.

The role requires active TS/SCI clearance, 8+ years of relevant experience or a Master’s with 6+ years, and hands-on work with SIEM, firewalls, IDS/IPS, endpoint security, and network visibility solutions.