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CACI International Cyber Security Engineering II / Endpoint Security Engineer -Mid in Springfield, Virginia

Cyber Security Engineering II / Endpoint Security Engineer -Mid

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

TCS has an opportunity available for an Endpoint Security Engineer supporting an Intelligence Community customer’s Tanium Platform. The position can be located at either Saint Louis, MO or Springfield, VA campus.


  • Responsible for implementing and applying technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.

  • Responsible for providing engineering and sustainment support for Tanium platform

  • Establishes computing environment by designing system configuration, directing system installation, and defining, documenting, and enforcing system standards

  • Provides specific, detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements

  • Configures and installs various security products utilizing Linux OS

  • Work with both the software vendor and the customer to research, analyze, and implement enterprise-wide security solutions/capabilities/enhancements to support customer business/mission goals and objectives

  • Assists with design, analysis, testing and implementation of state-of-the-art secure architectures

  • Oversee security infrastructure sustainment, maintenance, and advanced configuration (policy management, database administration and security management tools)

  • Oversee the reporting, documentation and investigation of all security related incidents; lead the development and implementation of corrective measures

Required Certifications:

  • DOD 8570 IAT Level II certification

  • Must obtain a CSSP Infrastructure Support certification within 6 months of date of hire

Required Skills/Experience:

  • Bachelor's degree (in Engineering, Computer Science or related field) or equivalent

  • Experience maintaining Enterprise Cyber Security Engineering requirements utilizing all or some of the following tools: Tanium, HBSS, Carbon Black Response/Protection, Microsoft ATA

  • 3+ years related technical experience in Cybersecurity

  • Comprehensive experience with the Tanium platform

  • Experience with large-scale enterprise/global networks in a high-paced, diverse environment

  • Understanding of and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions

  • Experience in providing status reports and products to senior management and customers

  • Experience with plans, designs, and evaluations of security systems and architectures

  • Experience with Unix, RHELS OS, Windows Enterprise Active Directory architecture and VMWare virtualization



Company Overview: At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is an Equal Opportunity Employer – Females/Minorities/Protected Veterans/Individuals with Disabilities.

As a federal contractor, CACI is subject to any federal vaccine mandates or other customer vaccination requirements. As such, any offers of employment may be contingent upon COVID-19 vaccination or an approved accommodation. All new hires are required to report their vaccination status.