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IT Security Administrator - TS​/SCI Polygraph

Job in National City, San Diego County, California, 92180, USA
Listing for: General Dynamics Information Technology
Full Time position
Listed on 2026-01-12
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Salary/Wage Range or Industry Benchmark: 106250 - 143750 USD Yearly USD 106250.00 143750.00 YEAR
Job Description & How to Apply Below
Position: IT Security Administrator - TS/SCI with Polygraph

Type of Requisition: Regular

Clearance Level Must Currently Possess: Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph

Public Trust/Other

Required:

None

Job Family: Cyber and IT Risk Management

Job Qualifications:

Skills: Information Technology Security, Networks, System Security

Certifications: None

Experience: 1 + years of related experience

US Citizenship

Required:

Yes

Job Description:

Seize your opportunity to make a personal impact as an IT Security Specialist supporting our Customer in Alice Springs, Australia. GDIT is your place to make meaningful contributions to challenging projects, build your skills, and grow a rewarding career.

HOW YOU WILL MAKE AN IMPACT
  • Performs all procedures necessary to ensure the safety of information systems assets and to protect systems from intentional or inadvertent access or destruction. Monitor, evaluate, and maintain 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 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 that systems are being operated securely, and information systems security policies and procedures are being 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 the integrity and protection of networks, systems, and applications by technical enforcement of organizational security policies, through 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

  • Ensure compliance with regulations and privacy laws

WHAT YOU’LL NEED TO SUCCEED

  • Education
    :
    Bachelors Degree or equivalent technical training, certification(s) or experience
  • Experience
    : 1+ years of related experience
  • Certification
    :
    Candidate must possess an appropriate and current DoD 8570/8140 Information Assurance Technical (IAT) Certification to be considered for employment. CompTIA Security+ CE Certification is the preferred certification.
  • Security Clearance Level: Active TS/SCI with Polygraph is required.
GDIT IS YOUR PLACE
  • Growth: AI-powered career tool that identifies career steps and learning opportunities

  • Support:
    An internal mobility team focused on helping you achieve your career goals

  • Rewards:
    Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off

  • Community:
    Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore a career in cyber at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your focus on defending and protecting what matters.

The likely salary range for this position is $106,250 - $143,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Total compensation for international positions varies by tax, social security, and immigration statuses, as well as location. Generally, an international assignment may include allowances, premium uplifts, and/or…

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