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CACI

Senior Cyber Security Engineer

CACI
Chantilly, VA $104k - $218k/yr Full time Posted 4d ago
Senior Cloud Platforms Cybersecurity Operations Cybersecurity Tools Information Security Information Technology (IT) InfoSec Nessus NIST Security Automation Security Compliance Security Standards Security Testing Tenable Vulnerability Management
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Job Description

Senior Cyber Security Engineer role supporting mission-critical enterprise cybersecurity applications and systems in Chantilly, VA (onsite).

Responsibilities

  • Provide engineering support and system administration for cybersecurity applications, including installation, configuration, maintenance, patching, and backup/restore.
  • Develop, customize, and manage scan policies, audit files, scan jobs, dashboards, and reports, including related content for Tenable Nessus and ServiceNow integrations.
  • Deliver Tier 2 and Tier 3 support for cybersecurity technologies while ensuring alignment with customer policies, procedures, and TASKORDs.
  • Troubleshoot vulnerability scanning problems and provide timely support via phone, email, and messaging platforms.
  • Identify and implement process automation; integrate scripted solutions to streamline recurring tasks and metrics collection.
  • Support Assessment & Authorization (A&A) activities by updating documentation, preparing security artifacts, and resolving technical conflicts.
  • Review policies, customer feedback, and operational workflows to recommend improvements that enhance efficiency and cybersecurity posture.

Requirements

  • Active TS/SCI clearance with polygraph.
  • Bachelor’s degree or 4+ years of additional relevant experience.
  • 5+ years of experience working with cybersecurity tools in an enterprise environment.
  • Hands-on experience with Tenable products and enterprise vulnerability scanning operations.
  • Strong knowledge of Windows and Linux administration, operating system hardening, TCP/IP networking, and core network security concepts.
  • Demonstrated expertise in enterprise scanning, continuous monitoring, host/network defense, and intrusion detection.
  • Ability to translate cybersecurity needs into technical requirements and apply architectural principles such as defense-in-depth and resilience.
  • Excellent skills in communication, organization, troubleshooting, and customer support.
  • Active IAT Level II certification, or ability to obtain within 30 days of hire.

Technologies

  • Tenable Nessus
  • ServiceNow
  • AWS services
  • Windows
  • Linux
  • NIST SP 800-37 (RMF)
  • NIST SP 800-137 (Continuous Monitoring)

Travel Requirements

  • Up to 10% travel
  • Type: Local

Desired

  • Experience with AWS services and ServiceNow.
  • Familiarity with federal cybersecurity frameworks including NIST SP 800-37 (RMF) and NIST SP 800-137 (Continuous Monitoring).
  • Experience developing automation and scripting to support workflow optimization.
  • Ability to operate effectively in a fast-paced environment while managing multiple priorities.
  • Strong collaboration skills, with ability to work independently or as part of a team.

Contingent on Funding

  • This position is contingent on funding and may not be filled immediately.
  • It represents positions within CACI that are consistently available.
  • Applicants may also be considered for other positions at CACI.

Pay Range

USD 103,800 - 218,100 per yearly

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