> Markdown version of [/jobs/ext/3788156-principal-technical-support-engineer-active-top-secret-sci-clearance-required](https://www.wearedevelopers.com/jobs/ext/3788156-principal-technical-support-engineer-active-top-secret-sci-clearance-required). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Principal Technical Support Engineer - Active Top Secret/SCI Clearance Required

- **Company:** NetScout Systems, Inc.
- **Location:** Washington, DC, United States
- **Salary:** $100,000.0 - $125,000.0
- **Contract:** Permanent contract
- **Skills:** Complex Networks, CompTIA Security+, Databases, Linux, Knowledge Management, Network Security, Network Administration, NetScout, Information Technology, Hardware Infrastructure, Cisco, Vmware
- **Published:** October 16, 2026
- **Apply:** https://jobs.localjobnetwork.com/apply/add/86194868/1

## About the Role

* Collaborate with customers to troubleshoot and resolve complex network and product related issues
 * Interface with our world-class support, development, and SQA teams to identify and to resolve product issues and performance concerns
 * Utilizing NETSCOUT's Knowledge Management database to research solutions and develop technical content such as tips, troubleshooting guides, and best practices.
 * Provide guidance to customers on network management strategies and best practices using NETSCOUT product suite
 * Deliver high-quality, hands-on support while representing NETSCOUT with professionalism and technical expertise.

Preferred Qualification/Skills:

 * Active Top Security/SCI Clearance Required
 * CompTIA Security+ required and CISSP Certification beneficial
 * Bachelor's Degree in Computer Science/Network Security related field or equivalent discipline
 * 7+ years in network management supporting external enterprise customers
 * 2+ years in high touch or managed customer support environment
 * Proven expertise in customer relationship and management
 * Experience in enterprise or service provider network management environments preferred.
 * Experience working onsite at customer locations and cooperatively with HQ teams
 * Demonstrated ability to identify and resolve complex network and systems issues
 * Cisco Certification (CCNA minimum, CCNP preferred)
 * Linux Certification (RHCSA or equivalent)
 * Knowledge of Windows and Linux operating system environments
 * Demonstrated ability to write clear technical documentation and contribute to internal knowledge bases.
 * Strong attention to detail and the ability to manage multiple tasks simultaneously.
 + Ability to travel up to 25%
 + Project Management Certification (PMP) is preferred
 + VMware Certification is a preferred
 + Dell DOSD (Onsite Server Hardware Support) Certification is preferred, Education Bachelors (or equivalent work experience)
Job Type Full-Time
Location US-District of Columbia (DC)
Preferred Language English
All qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, gender identification, disability or protected veteran status.