Cyber Sec Analyst Sr Adv (TS/SCI with Poly Required)

GCI; Chantilly; On-site; EUR 118,240 - 197,459; Full time

Job summary

A leading cybersecurity firm is seeking a highly motivated Cyber Security Analyst. This on-site role in Chantilly requires overseeing the security of the organization's information systems. Responsibilities include analyzing cyber threats, reporting anomalies, and ensuring compliance with cybersecurity standards. The ideal candidate will possess a Bachelor's degree and over 11 years of relevant experience. Competitive salary range from $139,984 to $233,771.20 USD is offered.

Qualifications

• Strong understanding of cyber security principles and practices.
• Experience with various security technologies.
• Ability to analyze and report on security events.

Responsibilities

• Analyze data from cyber defense tools to mitigate threats.
• Monitor cybersecurity procedures and policies.
• Identify security risks and improve systems.

Skills

Cyber security principles

Data analysis

Threat mitigation

Access management

Education

Bachelor's degree

Tools

IDS alerts

Firewalls

Network traffic logs

Job description

Cyber Sec Analyst Sr Adv (TS/SCI with Poly Required)

Job Category: Cyber Security

Requisition Number: CYBER001639

• Posted : December 11, 2025
• Full-Time
• On-site
• Salary Range : $139,984 USD to $233,771.20 USD

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As a Cyber Security Analyst, a typical day will include the following duties:

GCI is looking for a highly motivated and experienced expert Cyber Security Analyst to join our team. The ideal candidate will have a strong understanding of cyber security principles and practices, as well as experience with a variety of security technologies. In this role, you will be responsible for the overall security of our organization’s information systems and networks.

Duties and Responsibilities

• Uses data collected from a variety of cyber defense tools (e.g., IDS alerts, firewalls, network traffic logs) to analyze events that occur within their environments for the purposes of mitigating threats.
• Interprets, analyzes, and reports all events and anomalies in accordance with computer network directives, including initiating, responding, and reporting discovered events.
• Evaluates, tests, recommends, coordinates, monitors and maintains cybersecurity policies, procedures and systems, including access management for hardware, firmware and software
• Ensures that cybersecurity plans, controls, processes, standards, policies and procedures are aligned with cybersecurity standards
• Identifies security risks and exposures, determines the causes of security violations and suggests procedures to halt future incidents and improve security.
• Develops techniques and procedures for conducting cybersecurity risk assessments and compliance audits, the evaluation and testing of hardware, firmware and software for possible impact on system security, and the investigation and resolution of security incidents such as intrusion, frauds, attacks or leaks.
• Provides advanced guidance and leadership to less- experienced cybersecurity personnel.
• May serve as a team or task leader. (Not a people manager)

Education Requirement

Bachelors or better.

Experience Requirement

• 11+ years of experience

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Equal Opportunity Employer
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