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CACI International Network Security Engineer in Chantilly, Virginia

Job Description

What You’ll Get to Do:You will support our work automating cybersecurity operations, emulating adversary behavior, and improving the defensive postures of our sponsors. You’ll evaluate tools and methodologies, assess adversary intent, develop cybersecurity analytics and other techniques to thwart or detect attacks, develop approaches to automate cybersecurity operations, and engage in research to improve the state of the practice.More About the Role:

  • Work closely with red-team experts to evaluate IT environments and identify security goals, vulnerabilities, objectives, and requirements

  • Perform cybersecurity operations testing, and develop improvements to doing so, based on real adversary behavior described in adversary emulation plans

  • Evaluate the efficacy of existing detection mechanisms, analytics, and mitigations

  • Identify gaps in visibility, data, tools, and process

  • Address gaps within defenses by improving systems and processes

  • Develop approaches to automating cybersecurity operations, reducing cost and increasing efficiency

  • Solve cyber problems through operations, data-driven analytics, and development

  • Leverage research, frameworks, and best practices to improve the defensive posture of our sponsors

Required Skills:

  • Experience as a Network Security Engineer, or in the Cyber Security field or as a hands-on penetration tester

  • Motivated self-starter with an analytical focus, problem solving skills, time management skills, and a passion for computer, network, or cyber security.

  • Self-motivated and actively seeks to enhance the group through knowledge sharing

  • Strong understanding of network/cyber security, penetration testing, and industry best security practices as they apply to computers and networks.

  • Hands on experience with common scripting/programming languages to automate tasks and/or parse data. (c++, BASH, Python, Power Shell, & Regex)

  • Significant experience working in a command line environment with multiples Oss

  • Experience working with system architects, developers, and system engineering to ensure security considerations are part of system design

  • Experience and ability to research the latest security developments in the relevant operating systems to identify organizational impact

  • Bachelor's degree or equivalent and minimum of 5 years experience.

  • An active TS/SCI with Polygraph clearance and ability to maintain

  • A deep understanding of the following:

    - Operating systems, networking protocols, and system administration of Linux systems - Thorough understanding of the TCP/IP networking model and knowledge of the OSI model as it pertains to security - Experience performing analysis of log files from a variety of sources, to include individual host logs, network traffic logs, firewall logs, and IPS logs - Significant experience with packet analysis using Wireshark or another tool
  • Must have experience with one of the following:

    - Demonstrated knowledge of information security discipline via industry certification such as: OSCP, SSCP, GIAC (Security Track) OR - Significant experience working in Linux and hands recent experience with Linux network security tools (i.e. Metasploit, BurepSuite, nmap, IPTables and SELinux, etc.)Desired Skills:
  • Experience monitoring threats via a SIEM console (LogRhythm/Splunk preferred)

  • Experience conducting incident response to include; research and identification of attack vector, malware mitigation and removal, and documentation of event.

What We Can Offer You:- We’ve been named a Best Place to Work by the Washington Post.- Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.- We offer competitive benefits and learning and development opportunities.- We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.- For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.

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CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. 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 proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.