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Windows Security Expert

Req #: 244423
Location: Herndon, VA US
Job Category: Engineering
Minimum Clearance Required: TS/SCI with Polygraph

Job Description

CACI is seeking fully cleared, dynamic technical professionals to join our TETRA program in the Northern, Virginia area.  TETRA is an Enterprise IT Program that supports and protects the IC mission.  The program is a portfolio of hundreds of projects funded by numerous customers providing Engineering and Sustainment services for a Global Information Technology Enterprise.  As a team, we architect, develop, engineer, maintain, and provide continuous sustainment of enterprise-level communications in support of the customer’s mission worldwide.  We also provide secure, reliable, and cost effective enterprise class data center hosting services, in which we develop, integrate, and maintain.  Be a part of something greater than yourself and make a lasting impact at CACI.

What You’ll Get to Do:

CACI’s Business and Information Technology Solutions (BITS) Sector is seeking a Windows Security Expert who will identify systems security vulnerabilities and design or deploy solutions that support a high availability system and enhances security compliance baselines utilizing COTS and GOTS enterprise-level cybersecurity tools and applications.

Your responsibilities will include the following:

  • Supporting the development and implementation of Application White List (AWL) in the customer’s spaces, as well as providing Tier 1 and 2 operations and maintenance (O&M) support
  • Performing technical planning, systems integration, verification, and validation, risk assessments, and effectiveness on computer security products and IT systems
  • Reviewing and analyzing security audits and computer logs to enhance endpoint security measures
  • Collaborating with clients regarding the nature of the systems vulnerabilities and recommending remediation steps
  • Ensuring the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints
  • Testing and monitoring computer systems, including coordinating the installation of computer programs and systems
  • Analyzing and studying complex systems requirements
  • Applying the Concept of Operations (CONOPs) set of disciplines for the planning, analysis, design, construction, and operation of information systems across a major sector of the organization
  • Developing analytical and computational techniques, and methodology for problem solutions
  • Testing, debugging, and assisting in the refinement of systems products
  • Preparing required documentation, including program-level and user-level documentation
  • Assisting in establishing standards for information security systems procedures

You’ll Bring These Qualifications:

  • Ability to work independently or lead teams to perform technical planning, systems integration, verification and validation, risk assessments, and supportability and effectiveness analyses for computer security products and systems
  • Prior experience deploying and managing AWL instance across an enterprise environment
  • Demonstrated on-the-job experience with enterprise security continuous monitoring
  • Expertise in developing and managing Group Policy Objects (GPOs)
  • Hands-on experience with Microsoft Active Directory and workstation and server systems administration, including AWL (e.g., AppLocker)
  • Demonstrated on-the-job experience and ability to implement and validate security configurations and policies on servers and workstations, as well as issues preventing successful implementations
  • Demonstrated on-the-job experience with collecting, ingesting, analyzing, and visualizing machine data with McAfee, Microsoft (e.g., SCCM and PowerShell), Splunk, and Tanium capabilities

These Qualifications Would be Nice to Have:

  • Demonstrated on-the-job experience with building and forming programs for enterprise security continuous monitoring and cybersecurity incident response
  • Demonstrated on-the-job experience with collaboration and outreach across the customers’ environment
  • Experience supporting an enterprise-wide Application Code Signing Program

Desired Certifications:

  • Microsoft Certified Solutions Expert (MCSE)
  • Security+
  • Certified Information Systems Security Professional (CISSP)

Education and Experience Requirements:

  Candidate must have one of the following:

  • 12 Years of job related experience and High School/GED diploma
  • 10 Years of job related experience and Associates degree
  • 8 Years of job related experience and Bachelor’s degree
  • 6 Years of job related experience and Master’s degree
  • 4 Years of job related experience and Doctorate

Work Hours:  Core Hours 9:30 AM – 2:30 PM

Location:  Herndon, VA

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.



Job Location



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.

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