Cyber Intrusion Detection System Administrator - TS/SCI with Polygraph

General Dynamics Information Technology

Washington (District of Columbia)

On-site

USD 130,000 - 170,000

Full time

5 days ago
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Benefits offered by this job

Comprehensive benefits
401K with company match
Paid time off

Job summary

General Dynamics Information Technology is seeking a Cybersecurity Analyst Principal to lead and advance our cyber operations for the DIA. You will manage the cyber tool stack, analyze alerts, and collaborate with government partners to document incidents and methodology.

The role requires a BS degree or equivalent experience, 8+ years in the field, and a TS/SCI with polygraph clearance. You will work onsite at a customer site in the Washington, DC area, applying advanced analytics with Splunk,

Qualifications

  • Education: BS Degree or equivalent experience.
  • Experience: 8+ years of related experience.
  • Technical skills: experience with PCRE, authoring Yara rules and snort signatures.
  • Security clearance level: TS SCI / with Polygraph.
  • US citizenship required.
  • Role requires work at customer site.

Responsibilities

  • Lead/Manage/Support our customers cyber tool stack and 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 tuning.
  • Monitor and analyze signature alerts from IDS/IPS for false positives.
  • Create Splunk Dashboards.
  • Provide guidance to less-experienced staff.
  • Utilize Splunk, Snort signatures, Regular Expressions, Suricata, Palo Alto Firewalls, Fidelis, etc.
  • Experience using advanced data analytics tools such as Splunk, SQL, Python, and statistical modeling.

Skills

PCRE
Yara rules
Snort signatures
Splunk
SQL
Python
Statistical modeling
Regular Expressions

Education

BS Degree or equivalent experience

Tools

Splunk
Snort signatures
Regular Expressions
Suricata
Palo Alto Firewalls
Fidelis

Job description

CYBERSECURITY ANALYST PRINCIPAL

Advance your career while impacting our national security in cyber as a Cybersecurity Analyst Principal at GDIT. Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government. As 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.

MEANINGFUL WORK AND PERSONAL IMPACT
  • 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 SUCCEED

Bring 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.
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.

#GDITCareers

#WeAreGDIT

#VA_2026Alumni

#CO_2026Alumni

#JET

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