Senior Endpoint Security Engineer (TS/SCI)

CACI International Inc.; St. Louis (MO); On-site; USD 75,200 - 158,100; Full time

Job summary

CACI International Inc. in St. Louis, MO is seeking an Endpoint Security Engineer III to manage Tenable Nessus and Linux deployments in a DoD-focused environment.

TS/SCI clearance required, DoD 8570 IAT II, CSSP Infrastructure cert desired, Bachelor's with 10+ years in cyber security. Strong vulnerability management and reporting skills essential. Experience with Tenable Security Center, Nessus Scanners, and Nessus Manager on Linux, plus scripting for automation, will be valued.

Qualifications

• TS/SCI clearance (current) to start.
• DoD 8570 IAT Level II certified (current).
• Bachelor's degree (Engineering, Computer Science or related) with 10+ years in cyber security or equivalent experience.
• Experience with Tenable Suite: Security Center, Nessus Scanners, Nessus Manager.

Responsibilities

• Install, configure, and maintain Tenable Security Center, Nessus Scanners, and Nessus Manager on Linux.
• Perform regular vulnerability scans and assessments across the network using Tenable products.
• Analyze scan results and prioritize vulnerabilities by severity and impact.
• Collaborate with IT and security teams to remediate identified vulnerabilities.
• Generate and distribute vulnerability reports to stakeholders.
• Monitor security alerts and respond to incidents in a timely manner.
• Provide training and support on Tenable products for users.
• Ensure optimal performance and security of the Tenable environment on Linux.
• Configure and install security products utilizing Linux OS.

Skills

Tenable Suite

Linux

Vulnerability management

DoD 8570 IAT II

CSSP Infrastructure

Scripting (Python)

Security reporting

Education

Bachelor's degree in Engineering/CS or related; 10 years experience

Tools

Tenable Security Center

Nessus Scanners

Nessus Manager

Job description

CACI International Inc. in St. Louis, MO is seeking an Endpoint Security Engineer III to manage Tenable Nessus and Linux deployments in a DoD-focused environment.

TS/SCI clearance required, DoD 8570 IAT II, CSSP Infrastructure cert desired, Bachelor's with 10+ years in cyber security. Strong vulnerability management and reporting skills essential. Experience with Tenable Security Center, Nessus Scanners, and Nessus Manager on Linux, plus scripting for automation, will be valued.