Vectra Detection Engineer

GuidePoint Security • Chantilly, VA

1d • Remote

About The Position

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. 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.

Requirements

• 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).

Nice To Haves

• 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.

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.

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed