C

CACI

Provides government contracting technology and services

Endpoint Security Engineer 3 - Nessus

Security Engineering & ArchitectureConfirmed live in the last 24 hours
Full-time$75.2k - $158.1k

About the Job

Requirements

  • Current TS/SCI clearance and ability to successfully pass and maintain a Government polygraph after hire.
  • Current DoD 8570 IAT Level II certification.
  • Must obtain CSSP Infrastructure Support certification within six months of hire.
  • Bachelor's degree in Engineering, Computer Science, or a related field, plus ten years of technical experience in Cyber Security; additional experience may be considered in lieu of a degree.
  • Working knowledge of enterprise cybersecurity engineering requirements and hands-on administration of the Tenable Suite, including Security Center, Nessus Scanners, and Nessus Manager.
  • Strong working knowledge of Linux operating systems, including installation, configuration, and maintenance.
  • Experience with large-scale enterprise or global networks in a high-paced, diverse environment.
  • Understanding of the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions.
  • Experience providing status reports and products to senior management and customers.
  • Experience planning, designing, and evaluating security systems and architectures.

Responsibilities

  • Install, configure, and maintain Tenable Security Center, Tenable Nessus Scanners, and Tenable Nessus Managers on Linux platforms.
  • Perform regular vulnerability scans and assessments across the organization's 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.
  • Stay updated on the latest security threats and vulnerabilities.
  • Provide training and support to users of Tenable Security Center, Tenable Nessus Scanners, and Tenable Nessus Managers on Linux.
  • Ensure optimal performance and security of the Tenable environment on Linux platforms.
  • Configure and install security products using Linux operating systems.

Desired Qualifications

  • CSSP Infrastructure Support certification.
  • Linux-related certifications.
  • Familiarity with scripting languages such as Python or PowerShell for automation tasks.

About the Company

CACI

Provides government contracting technology and services

CACI International Inc. provides technology and professional services to U.S. government clients, focusing on national security and modernization. It earns most of its revenue through long-term government contracts that fund engineering, intelligence, logistics, cybersecurity, data analytics, and IT solutions for defense, intelligence, and federal civilian agencies. Its products and services work by delivering specialized technical expertise, secure systems, and mission-support capabilities that help agencies run operations more efficiently and securely. CACI differentiates itself through its deep domain knowledge in national security, a proven track record of delivering high-quality, reliable solutions, and a skilled workforce that can execute complex, long-duration contracts. The company’s goal is to be a trusted partner for government modernization needs by providing advanced technology solutions and mission support that enhance national security and operational effectiveness.

Company size
10,001+
Company stage
IPO
Headquarters
Reston, VA
Founded
1962

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