Cyber Intrusion Detection System Administrator - TS​/SCI Polygraph

Position: Cyber Intrusion Detection System Administrator - TS/SCI with Polygraph

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

Job Description

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 IMPACT

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.

Responsibilities

• Lead, manage, and support our customers’ cyber tool stack and implement defensive rules.
• Collaborate with other government agencies to record and prepare incident reports, analysis methodology, and results.
• Provide insight to Detection and Response teams on signature functionality and tune signatures as needed.
• Monitor and analyze signature alerts from IDS/IPS for false positives.
• Create Splunk dashboards.
• Provide guidance and leadership to less‑experienced staff.
• Utilize Splunk, Snort signatures, regular expressions, Suricata, Palo Alto Firewalls, Fidelis, and related tools.
• Use advanced data analytics tools and techniques, such as Splunk, SQL, Python, and statistical modeling.

What You’ll Need to Succeed

• 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: TS SCI, with CI Poly.
• US citizenship required.
• Work will be performed directly at customer site.

GDIT is Your Place

At GDIT, the mission is our purpose, and we put people 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, 401(k) with company match, competitive pay, and paid time off.
• Community:
  Award‑winning culture of innovation and a military‑friendly workplace.

The likely salary range for this position is $148,750 - $201,250.

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

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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