Cyber Security Incident Response Analyst - TS/SCI with Polygraph

Company: GD Information Technology
Location: Mc Lean
Posted on: April 2, 2026

Job Description:

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: AWS Security Incident Response, Cybersecurity Risk Management, Documentations, Information Assurance, Security Incident Response Certifications: None Experience: 8 years of related experience US Citizenship Required: Yes Job Description: Seize your opportunity to make a personal impact as a Cyber Security Incident Response Analyst supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. At GDIT, people are our differentiator. As a Cyber Security Incident Response Analyst, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Cyber Security Incident Response Analyst joining our highly skilled team to be a premier provider of cyber security services to the customer. We have responsibility to ensure operational IT capabilities provide the client with necessary timeliness, accuracy and security of information demanded from all our highly professional roles. Be the change, lead our change – join us! HOW A CYBER SECURITY INCIDENT RESPONSE ANALYST WILL MAKE AN IMPACT Collect intrusion artifacts and use discovered data to enable mitigation of potential cyber defense incidents within the enterprise. Coordinate and provide expert technical support to enterprise-wide cyber defense technicians to resolve cyber defense incidents. Coordinate incident response functions within a cloud environment. Monitor external data sources to maintain currency of cyber defense threat conditions and determine which security issues may have an impact on the enterprise. Perform cyber defense trend analysis and reporting. Perform initial, forensically sound collection of images and inspect to discern possible mitigation/remediation on enterprise systems. Receive and analyze network alerts from various sources within the enterprise and determine possible causes of such alerts. Write and publish after-action reviews. Write and publish cyber defense techniques, guidance, and reports on incident findings to appropriate constituencies. OTHER REQUIREMENTS: Skill in preserving evidence integrity according to standard operating procedures or national standards. Knowledge of intrusion detection methodologies and techniques for detecting host and network-based intrusions. Knowledge of cyber defense and information security policies, procedures, and regulations. Skill in protecting a network against malware. Knowledge of incident categories, incident responses, and timelines for responses. Knowledge of incident response and handling methodologies. Skill in performing damage assessments. Knowledge of network security architecture concepts including topology, protocols, components, and principles Skill in securing network communications. Skill in using security event correlation tools. Knowledge of network services and protocols interactions that provide network communications. Knowledge of cloud service models and how those models can limit incident response. Knowledge of network protocols such as TCP/IP, Dynamic Host Configuration, Domain Name System (DNS), and directory services. Knowledge of system administration, network, and operating system hardening techniques. Knowledge of different classes of attacks Knowledge of cyber attackers Knowledge of cyber attack stages Knowledge of malware analysis concepts and methodologies. Skill of identifying, capturing, containing, and reporting malware. Knowledge of system and application security threats and vulnerabilities Knowledge of what constitutes a network attack and a network attack’s relationship to both threats and vulnerabilities. Skill in recognizing and categorizing types of vulnerabilities and associated attacks. WHAT YOU’LL NEED TO SUCCEED: Location : McLean, VA Core Hours: 9:00 am – 5:00 pm; some flexibility Education : Bachelor's Degree (Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Information Technology, Cybersecurity, or a closely related discipline) Required Experience : 8 years with a minimum of 3 years experience in Incident Response and/or Computer Forensic Analyst positions Clearance : TS/SCI with Polygraph Certifications: Must meet 8570.01-M baseline certification requirement for Information Assurances Technical (IAT) Level III CASPCE, CCNP Security, CISA, or CISSP or Associate, GCED, GCIH, or CCSP. WeAreGDIT JET VA_2026Alumni The likely salary range for this position is $152,113 - $205,799. 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. Scheduled Weekly Hours: 40 Travel Required: Less than 10% T elecommuting Options: Onsite Work Location: USA VA McLean Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc . Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Keywords: GD Information Technology, Centreville , Cyber Security Incident Response Analyst - TS/SCI with Polygraph, IT / Software / Systems , Mc Lean, Virginia