Cyber Intrusion Detection System Administrator - TS/SCI Polygraph
Listed on 2026-09-20
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IT/Tech
Cybersecurity
Cyber Intrusion Detection System Administrator - TS/SCI with Polygraph Responsibilities for this Position
Location: USA VA Reston
Full Part/Time: Full time
Job Req: RQ228330
Type of Requisition: Regular
Clearance Level Must Currently Possess: Top Secret/SCI
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: Cyber Defense, Data Analysis, Information Assurance
Certifications: None
Experience: 8 + years of related experience
US Citizenship
Required:
Yes
CYBERSECURITY ANALYST PRINCIPAL
Advance your career while impacting our national security in cyber as a Cybersecurity Analyst Principal e, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government.
MEANINGFUL WORK AND PERSONAL IMPACTAs a Cybersecurity Analyst Principal, the work you'll do at GDIT will be impactful to the mission of DIA. You will play a crucial role in helping to protect our customers systems. Networks, and data.
Lead/Manage/Support our customers cyber tool stack and ability to implement defensive rules.
Collaborate with other government agencies to record and prepare incident reports and analysis methodology and results.
Provide insight to Detection and Response teams on signature functionality and providing signature tuning as needed.
Monitoring and analyzing signature alerts from Intrusion Detection/Prevention Systems (IDS/IPS) for false positives.
Creating Splunk Dashboards
Provide guidance and work leadership to less-experienced staff
Utilize Splunk, Snort signatures, Regular Expressions, Suricata, Palo Alto Firewalls, Fidelis, etc
Experience using advanced data analytics tools and techniques, such as Splunk, SQL, Python, and statistical modeling.
Utilize Splunk, Snort signatures, Regular Expressions, Suricata, Palo Alto Firewalls, Fidelis, etc
WHAT YOU'LL NEED TO SUCCEEDBring your cyber expertise and drive for innovation to GDIT. The Cybersecurity Analyst Principal must have:
Education:
BS Degree or equivalent experience
Experience:
8+ years of related experience
Technical skills: experience with Perl Compatible Regular Expressions (PCRE), authoring Yara rules and snort signatures
Security clearance level: TS SCI / with Polygraph
US citizenship required
Role requirements:
work is performed directly at customer site.
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
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
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.
#GDITCareers
#WeAreGDIT
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#JET
The likely salary range for this position is $148,750 - $201,250. 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%
Telecommuting Options: Onsite
Work Location: USA VA Reston
Additional Work Locations: USA CO Colorado Springs, USA DC Washington
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…
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