CACI International Jobs

Job Information

CACI International Network Security Engineer in Chantilly, Virginia

Network Security Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

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:

  • Approximately seven years of experience as an infrastructure operator

  • Proficiency working in a Linux environment – Centos, Ubuntu, Fedora, Solaris, Backtrack

  • Database experience, to include writing complex queries and modifying schemas (e.g. Oracle, MySQL).

  • Experience in a cyber-security role

  • Experience configuring network devices (e.g. routers, switches, etc.).

  • Experience performing network packet inspection, traffic analysis, performance characterization (e.g. Wireshark, TCPdump, etc.).

  • Understanding of network/cyber security, penetration testing, and information security best practices

  • Understanding of Linux network security tools – (e.g. Metasploit, netcat, nmap, etc.).

  • Experience building virtual infrastructure – (e.g. vSphere).

  • Experience using scripting languages for automation, parsing data sets, and network monitoring (e.g. bash, Perl, Python, etc.).

  • Experience in either the design, implementation, procurement and maintenance of network infrastructure

  • Active TS/SCI w/ polygraph

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.

Company Overview:

CACI is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other protected characteristic.

Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here (

The proposed salary range for this position is:

$78,700 - $165,300