Senior Cyber Defense Engineer (TS/SCI) Network & Tools Lead

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

Benefits offered by this job

Competitive compensation

Health and Wellness programs

Income Protection

Paid Leave

Retirement

Job summary

Leidos is seeking a Cyber Defense Infrastructure Support Engineer in Suitland, Maryland. You will build, configure, integrate, and maintain security systems protecting TS/SCI networks, ensuring secure and reliable cybersecurity tools and services.

You will serve as a senior technical resource, providing Tier 3 escalation support, evaluating emerging technologies, and leading engineering/administration of cybersecurity capabilities across the environment.

Qualifications

• Bachelor’s degree in Cybersecurity, IT, Information Assurance, or related; Master’s preferred.
• Active TS/SCI clearance in DISS.
• 10+ years of LAN/WAN, Windows and Unix/Linux experience.
• 6+ years integrating, implementing, and operating cybersecurity technologies.
• Knowledge of SIEM platforms: Splunk, Microsoft Sentinel, Elastic.
• Experience with enterprise network management and cybersecurity tools.
• Knowledge of vulnerability management tools (BeyondTrust Retina, Nessus, SCAP).
• Knowledge of virtualization (VMware, Azure VMs, VirtualBox).
• Scripting/programming: Python, Perl, Ruby, JavaScript, PowerShell, C, C++, Java.
• Knowledge of ServiceNow.

Responsibilities

• Research and evaluate emerging cybersecurity technologies for enterprise use.
• Lead engineering/administration of cybersecurity tools and capabilities.
• Install, configure, integrate, administer, and maintain cybersecurity technologies.
• Perform network/system hardening and RMF-related activities.
• Provide Tier 3 troubleshooting and root-cause analysis.
• Support Windows and Unix/Linux OS/applications.
• Support tool integration, upgrades, maintenance, lifecycle management.
• Validate interoperability with existing capabilities.
• Develop/update technical docs and diagrams.
• Develop and deliver training on cybersecurity tools and processes.
• Support annual cybersecurity exercises.

Skills

LAN/WAN networking

Windows administration

Unix/Linux administration

Scripting languages

Python

PowerShell

C/C++

Java

ServiceNow

Education

Bachelor’s degree in Cybersecurity/IT

Master’s degree preferred

Tools

VMware

Azure Virtual Machines

VirtualBox

Splunk

Microsoft Sentinel

Elastic

Job description

Leidos is seeking a Cyber Defense Infrastructure Support Engineer in Suitland, Maryland. You will build, configure, integrate, and maintain security systems protecting TS/SCI networks, ensuring secure and reliable cybersecurity tools and services.

You will serve as a senior technical resource, providing Tier 3 escalation support, evaluating emerging technologies, and leading engineering/administration of cybersecurity capabilities across the environment.