Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 2, 2026.
At NETSCOUT, we are an elite force of trailblazers, innovators, and problem solvers. We protect the connected world from cyberattacks and performance and availability disruptions through our unique visibility platform and solutions powered by pioneering deep packet inspection at scale technology. We are Guardians of the Connected World. We are looking for exceptional talent to join our team.
About NETSCOUT
NETSCOUT has been helping the world’s largest organizations solve their most complex digital challenges for more than 40 years.
NETSCOUT unlocks insight at unequaled scale, from every data packet to the broadest view of global internet traffic, so the world’s essential organizations can solve problems faster, constantly transform their digital ecosystems, secure what matters - and stay unstoppable for a world that relies on them every second.
About the Team/About the Role:
Responsible for technical sales of DDoS mitigation and NDR (Network Detection and Response) solutions for major enterprise, public, and financial sector clients in Korea. This role involves close collaboration with the headquarters' engineering team to analyze the latest threat trends, design optimized security architectures for complex customer network environments and expand market share.
Responsibilities:
- Technical Evangelism & Presentation: Deliver the unique value proposition of our solutions through tailored technical presentations for audiences ranging from C-level executives to working-level staff.
- Strategic Pre-Sales: Partner with Account Managers (AM) to develop technical sales strategies, respond to RFPs/RFIs, and draft solution proposals.
- PoC & Demo Management: Design and execute Proof of Concept (PoC) in customer environments, proving technical superiority over competitors through quantified data.
- Solution Architecture: Design network security architectures (L2-L7) encompassing Hybrid/Multi-Cloud and on-premise environments.
- Global Collaboration: Communicate in English with HQ Product Management and technical support teams to reflect domestic customer requirements into the product roadmap and resolve technical issues.
Basic Qualifications/Skills:
- 10+ years of experience in pre-sales or technical consulting within the network security field.
- Deep understanding of large-scale traffic analysis and defense, scrubbing center architecture, and BGP.
- Understanding of Network Traffic Analysis (NTA), Threat Hunting, and ML-based anomaly detection mechanisms.
- Expert-level knowledge of TCP/IP, Routing/Switching, SSL/TLS decryption, and HTTP/DNS protocols.
- Ability to clearly convey complex technical architectures through whiteboarding or polished slide decks.
- Business-level English proficiency (Reading/Writing/Speaking) for technical communication with HQ.
Preferred Qualifications/Skills:
- Experience working at global security vendors (e.g., Cisco, Radware, Akamai, Darktrace, Vectra, etc.).
- Holder of advanced network and security certifications (e.g., CCIE, CISSP, GCIH, etc.).
- Experience in designing public cloud network security for AWS, Azure, or GCP.
- Experience in automation or data analysis using scripting languages such as Python.
Working at NETSCOUT
At NETSCOUT, our vision is to create a workplace where every individual feels valued, respected, and empowered to contribute their unique perspectives. We strive to build a diverse workforce that reflects the communities we serve. We also know that life at NETSCOUT is not just about what you will contribute, but what we will give back to you. Besides the promise of interesting work in an exciting and ever-growing industry, NETSCOUT is committed to giving you opportunities to continue to learn and grow. Employees are eligible for a variety of professional development opportunities to help them advance their skills and career. We have heavily invested in our individual, management, and leadership training and development programs.
We value genuine candidate experiences. The use of AI-generated responses or other external assistance during any stage of the interview process is not allowed. NETSCOUT recognizes its obligations to provide reasonable accommodations to candidates with disabilities. Candidates who require third-party assistance or other accommodations to participate in the interview process should notify the recruiting team in advance so appropriate arrangements can be made.

