Network Security Engineer

United States Digital Space LLC; United States; Hybrid; USD 75,000 - 100,000; Full time

Job summary

United States Digital Space LLC is looking for an experienced Network Security Engineer to join their Customer Support Team. The role involves resolving complex technical problems and helping customers with advanced infrastructure threats across various company products including DDoS mitigation and firewalls.

The ideal candidate has at least 3 years in technical support, is fluent in English, and possesses a strong understanding of networking protocols and systems. Flexibility in working hours is required.

Qualifications

• Minimum 3 years working within a Technical Support team solving various technical issues.
• Self-driven and capable of learning new technologies/systems/features with little guidance.
• Experience troubleshooting network connectivity issues, BGP routing, and GRE tunnels.

Responsibilities

• Communicate with customers via chat, email, and phone.
• Compare traffic signatures to determine good or malicious traffic.
• Advise customers on filtering malicious traffic using company tools.

Skills

Fluent English speaker

Technical Support experience

Understanding of the Internet and OSI Model

Network protocols (TCP/UDP)

Troubleshooting network issues

Packet capture analysis

Scripting (Bash, Python, JavaScript)

Web server configuration

Tools

iptables

curl

git

Job description

Available Locations

Austin, TX

About the Department

The Customer Support Team solves complicated problems and answers technical inquiries via phone, email, chat, and social media. Whether it is a Wordpress blogger using our services for free or a global Enterprise business with petabytes of web traffic, our team is always eager to assist. We are the eyes and ears of the company, acting as the real‑time voice of the customer to help communicate their needs and real world use cases back to the rest of the company – to help build a better service and future product development.

About the Role

Do you love solving complex technical problems and interacting with people? Are you passionate about helping customers and are a standout colleague? The company is seeking an experienced Network Security Engineer to join our team and support our largest and most technically sophisticated customers in resolving technical problems, threats or attacks on their infrastructure at OSI Layers 3, 4, and 7. This will span the range of the company products from Magic Transit Infrastructure Protection, Argo Smart Routing, DDoS mitigation and Network Firewall, to using the Web Application firewall (WAF), Spectrum and Rate Limiting to help customers.

Responsibilities

• Communicate with customers via chat, email, and phone
• Compare traffic signatures and attributes including IP addresses, cookie variations, HTTP headers, and JavaScript footprints to determine what is good traffic and what is malicious
• DDoS mitigation for OSI layers 3, 4, & 7: advise customers on how to filter malicious traffic using the company tools like Magic Transit, Network Firewall, WAF, IP reputation lists, packet inspection, blocklisting, allowlisting, and rate limiting
• Work with Engineering and Operations teams to mitigate attacks, suggest steps to mitigate, and apply the appropriate mitigation when applicable
• Work with Engineering and Product teams to improve products and tools

Desirable Skills, Knowledge, and Experience

• Fluent English speaker is a requirement
• Minimum 3 years working within a Technical Support team solving various technical issues
• Self-driven and capable of learning new technologies / systems / features with little guidance
• Fundamental understanding how the Internet works (OSI Model)
• Advanced understanding of internet protocols like TCP and UDP
• Computer Networking fundamentals, experience with iptables and looking glass
• Experience troubleshooting network connectivity issues, BGP routing, and GRE tunnels
• Packet capture analysis
• Experience in command line and tools, including curl, dig, traceroute, openssl, git
• Experience troubleshooting DNS, SSL / TLS, HTTP
• Experience in a web development and / or hosting environment such as installing and configuring web servers like Apache, Nginx, Caddy and IIS
• Experience writing scripts in Bash, Python, JavaScript or other scripting language
• Experience in working as part of a team in a customer-facing role

Bonus Points

• You are familiar with the company and are actively using our platform
• You have worked with PostgreSQL, MySQL, MS SQL, and other database servers
• You are fluent and can troubleshoot in other languages beyond English and Spanish

Availability and Schedule Requirements

• Flexibility to work varying work schedules including: 8:30 AM - 5:30 PM Pacific Time Zone, Tuesday through Saturday, Sunday through Thursday, holidays, weekends, more than 5 days in a row, or additional hours on occasion.