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Cyber Intrusion Detection System Administrator – TS/SCI with Polygraph
General Dynamics Information Technology. Lead, manage, and support the customer’s cyber tool stack and implement defensive rules .
Posted 9/15/2026full-timeReston • Colorado • United StatesSeniorLead💰 $148,750 - $201,250 per yearWebsite
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in Cyber Defense, Data Analysis, and Information Assurance, with a strong focus on implementing and managing cyber tool stacks. Proficient in using advanced analytics tools and techniques to enhance detection and response capabilities.
Highest-signal resume keywords
Top Secret/SCI ClearanceCyber Defense ExperienceSplunk ProficiencyYara Rules AuthoringData Analysis Skills
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Data AnalysisCyber DefenseInformation AssuranceRegular ExpressionsSnort SignaturesYara RulesStatistical ModelingPythonSQLIncident Reporting
Soft Skills
LeadershipCollaborationGuidance
Tools & Technologies
SplunkSuricataPalo Alto FirewallsFidelisIDS/IPS Monitoring
Certifications & Qualifications
Top Secret/SCI ClearanceBS Degree or Equivalent Experience
Industry Keywords
Incident ReportsSignature FunctionalityFalse Positives MonitoringDefensive Rules ImplementationData Analytics Techniques
Tech Stack
Tools & technologiesFirewallsPerlPythonSplunkSQL
About the role
Key responsibilities & impact- Lead, manage, and support the customer’s cyber tool stack and implement defensive rules
- Collaborate with government agencies to record and prepare incident reports, analysis methodology, and results
- Provide insight to Detection and Response teams on signature functionality
- Tune signatures as needed
- Monitor and analyze IDS/IPS signature alerts for false positives
- Create Splunk dashboards
- Provide guidance and work leadership to less-experienced staff
- Use Splunk, Snort signatures, Regular Expressions, Suricata, Palo Alto Firewalls, and Fidelis
- Apply advanced data analytics tools and techniques
Requirements
What you’ll need- Top Secret/SCI clearance must currently be possessed
- Able to obtain Top Secret SCI + Polygraph
- 8+ years of related experience
- BS Degree or equivalent experience
- US citizenship required
- Experience with Cyber Defense, Data Analysis, and Information Assurance
- Experience with Perl Compatible Regular Expressions (PCRE)
- Experience authoring Yara rules and Snort signatures
- Experience using Splunk, SQL, Python, and statistical modeling
- Experience with Suricata, Palo Alto Firewalls, and Fidelis
- Experience with Snort signatures and Regular Expressions
- Work performed directly at customer site
- Less than 10% travel required
Benefits
Comp & perks- Comprehensive medical plan options, including plans with Health Savings Accounts
- Dental plan options
- Vision plan
- 401(k) plan with company match
- Full flex work weeks where possible
- Paid time off, including vacation, sick, personal time, holidays, paid parental, military, bereavement, and jury duty leave
- Short- and long-term disability benefits
- Life insurance
- Accidental death and dismemberment insurance
- Personal accident insurance
- Critical illness insurance
- Business travel and accident insurance
- AI-powered career tool identifying career steps and learning opportunities
- Internal mobility team supporting career goals
- Competitive pay
- Award-winning culture of innovation
- Military-friendly workplace