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

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 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 provide signature tuning as needed.
• Monitor and analyze signature alerts from Intrusion Detection/Prevention Systems (IDS/IPS) for false positives.
• Create 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.

What You’ll Need to Succeed

• 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 CI Poly.
• 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.

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.

Work Hours

Scheduled Weekly

Hours:

40

Travel

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 ability to contribute both pre and post‑tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.

To ensure our employees are able to protect their income, other offerings such as short and long‑term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

We are GDIT, a global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.

Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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