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Cyber Intrusion Detection System Administrator - TS​/SCI Polygraph

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: General Dynamics Corporation
Full Time, Part Time, Seasonal/Temporary position
Listed on 2026-09-20
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 148750 - 201250 USD Yearly USD 148750.00 201250.00 YEAR
Job Description & How to Apply Below

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

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.

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

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

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

#

#

#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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