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CACI International Cyber Security Engineer Principal in Chantilly, Virginia

Cyber Security Engineer Principal

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

Responsibilities include, but are not limited to:

  • Performs engineering support and system administration of specialized cybersecurity applications and big data analytical systems to include installation, configuration, performance tuning, migration, troubleshooting, updates, and training

  • Provides expertise on Systems Engineering best practices related to Cybersecurity Operations.

  • Assists with maintaining the development and testing environments

  • Analyzes cyber system enterprise level requirements against approved architectures and system roadmaps. Develops recommendations to approve or reject requirements.

  • Design, customize, and document services based on COTS products using Agile development approaches and methodologies

  • Document design, installation, and operations & maintenance guides

  • Provide support to the deployment and operations of services

  • Contributes to the completion of milestones associated with specific projects

  • Provides solutions to a variety of complex technical problems

  • Works with a team and provides analysis of alternatives and progress status in daily sprint meetings

  • Meets professional obligations through efficient work habits such as, meeting deadlines, honoring schedules, coordinating resources and meetings in an effective and timely manner


  • Requires Bachelor’s degree or equivalent in the fields of computer science, computer engineering, or any related field and 7 years of related experience

  • Minimum of 7 years of experience with Linux and software integration

  • Must possess the required DoD Directive 8570 IAT Level II or higher certification

Demonstrated Technical Experience:

  • Minimum of 5 years of Linux scripting and automation using Bash, Python and/or Java

  • Experience with installation and administration of COTS applications on RHEL and/or CentOS Linux

  • Experience in cybersecurity and multi-vendor technologies running in the cloud

  • Minimum of 5 years of experience with cloud infrastructure, preferably Amazon Web Services (AWS)

  • Hands on experience implementing and maintaining enterprise applications

Preferred Qualifications:

  • Experience with engineering and administrating the Elastic Stack (Elasticsearch, Logstash, Kibana, Beats)

  • Experience developing custom visualizations and dashboards (preferably in Kibana)

  • Experience with implementation and maintaining event streaming technologies, such as Apache or Confluent Kafka

  • Experience with automation tools including Puppet, Chef, and Ansible

  • Experience with JIRA, Confluence, and Git

  • Familiarity with Security Information and Event Management (SIEM) software

  • Solid understanding of encryption technologies and principles

  • Knowledge and application of ETL techniques to enable data science and machine learning

  • Vendor engagement experience

  • Experience with Container Services like Docker and Kubernetes

Security Clearance Requirements:

  • TS/SCI w/Poly

Physical Requirements:

  • Must be able to remain in a stationary position 50%

  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer

  • The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

This section should include and preferred or desired qualifications or attributes.

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 60 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:

$109,800 - $241,600