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Infographic showing various Network Engineer job openings at Guidepoint Security in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% Remote job distribution.

Vectra Detection Engineer

GuidePoint Security

Chantilly, VA • On-site

Full-time

Posted 20 days ago

Job description

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk.
About GuidePoint Security
GuidePoint Security is a leading cybersecurity solutions and services firm enabling federal government organizations to make smarter security decisions that minimize risk. With more than 800 vetted technology vendor partnerships and deep practitioner expertise across every major cybersecurity domain, GuidePoint serves more than half of the U.S. Government's cabinet-level agencies across Civilian, DoD, and Intelligence Community segments, as well as Federal System Integrators and major defense prime contractors. We are growing our federal Presales engineering team and looking for technically exceptional engineers who thrive at the intersection of federal mission and cybersecurity technology.
This role supports Vectra's Attack Signal Production Group, which builds core threat detection technology using AI and other methods for networks, cloud, and hybrid environments.
Key Responsibilities
  • Implement and maintain architecture
  • Analyze network traffic to identify and document threat patterns.
  • Develop and maintain network-based security signatures (e.g., in Suricata).
  • Use offensive security tools and techniques to simulate attacks and generate sample network traffic for testing detections.
  • Collaborate with data scientists and security researchers to support AI-driven detection efforts and improve accuracy.
  • Continuously monitor and tune the effectiveness of network detections, adjusting as needed.
  • Contribute to threat hunting by identifying new attacker tactics, techniques, and procedures (TTPs).
  • Participate in incident response activities when required.

Required Skills
  • Active TS/SCI Clearance
  • Strong background in network traffic analysis and threat detection.
  • Hands-on experience with tools like Suricata for signature-based detection.
  • Knowledge of offensive security (e.g., simulating attacks).
  • Familiarity with MITRE ATT&CK framework and real-world attacker behaviors (lateral movement, C2, etc.).
  • Collaboration skills for working with data scientists and researchers.
  • Understanding of networking protocols, OSI layers, and security concepts (often L3-L7).

Education/Certifications (often preferred or optional):
  • Relevant experience in cybersecurity (typically several years).
  • Certifications such as OSCP, GCIA, GCDA, GSEC, or similar (optional but valued).

"Applicants selected will be subject to a security investigation and must meet eligibility requirements for access to classified information."
We use Greenhouse Software as our applicant tracking system and Zoom Scheduler for HR screen request scheduling. At times, your email may block our communication with you. Please be sure to check your SPAM folder so that you don't miss updates on your application.
Why GuidePoint?GuidePoint Security is a rapidly growing, profitable, privately-held value added reseller that focuses exclusively on Information Security. Since its inception in 2011, GuidePoint has grown to over 1,300 employees, established strategic partnerships with leading security vendors, and serves as a trusted advisor to more than 6,200 customers.
Firmly-defined core values drive all aspects of the business, which have been paramount to the company's success and establishment of an enjoyable workplace atmosphere. At GuidePoint, your colleagues are knowledgeable, skilled, and experienced and will seek to collaborate and provide mentorship and guidance at every opportunity.
This is a unique and rare opportunity to grow your career along with one of the fastest growing companies in the nation.
Some added perks....
  • Remote workforce primarily (U.S. based only, some travel may be required for certain positions, working on-site may be required for Federal positions)
  • Group Medical Insurance options: Zero Deductible PPO Plan (GuidePoint pays 90% of the premium for employees and 70% for family plans (spouse/children/family) or High Deductible Health Plan with HSA (GuidePoint pays 100% of the employees premiums and 75% for family plans (spouse/children/family). If you choose the High Deductible / HSA plan, GPS will contribute in 4 equal quarterly installments: ($850 per EE annually / $1750 per family annually (includes spouse/children/family options)
  • Group Dental Insurance: GuidePoint pays 100% of the premium for employees and 75% of family plans
  • 12 corporate holidays and a Flexible Time Off (FTO) program
  • Healthy mobile phone and home internet allowance
  • Eligibility for retirement plan after 2 months at open enrollment
  • Pet Benefit Option

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