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IT Security Administrator - TS​/SCI Polygraph

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: General Dynamics - IT
Full Time position
Listed on 2026-06-02
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security, Network Security, Systems Administrator
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: IT Security Administrator - TS/SCI with Polygraph

Responsibilities

  • Performs all procedures necessary to ensure the safety of information systems assets and protect systems from intentional or inadvertent access or destruction.
  • Monitors, evaluates, and maintains systems and procedures to safeguard internal information systems, network, databases, and Web-based security.
  • Monitors and analyzes Intrusion Detection Systems (IDS) to identify security issues for remediation.
  • Recognizes potential, successful, and unsuccessful intrusion attempts and compromises through thorough reviews and analyses of relevant event detail and summary information.
  • Communicates alerts to agencies regarding intrusions and compromises to their network infrastructure, applications, and operating systems.
  • Assists with implementation of countermeasures or mitigating controls.
  • Conducts regular audits to ensure systems are operating securely and that information systems security policies and procedures are implemented as defined in security plans.
  • Safeguards the network against unauthorized infiltration, modification, destruction, or disclosure.
  • Researches, evaluates, tests, and implements new security software or devices.
  • Conducts routine investigations of information systems security violations and incidents, reporting as necessary to management.
  • Ensures integrity and protection of networks, systems, and applications through technical enforcement of organizational security policies and monitoring of vulnerability scanning devices.
  • Implements, enforces, communicates, and develops security policies or plans for data, software applications, hardware, telecommunications, and information systems security education/awareness programs.
  • Performs periodic and on-demand system audits and vulnerability assessments, including user accounts, application access, file system, and external Web integrity scans to determine compliance.
  • Prepares incident reports of analysis methodology and results.
  • Ensures compliance with regulations and privacy laws.
Qualifications
  • Education:

    Bachelor’s Degree or equivalent technical training, certifications, or experience.
  • Experience:

    1+ years of related experience.
  • Certification:
    Current DoD 8570/8140 Information Assurance Technical (IAT) Certification. CompTIA Security+ CE Certification is preferred.
  • Security Clearance Level: Active TS/SCI with Polygraph is required.
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