Hiring: Technical Support Engineer Company: Qualys Location: Raleigh, NC Job Posted Time: 2026-09-13 13:57:45 Employment Type: Remote Target Skills & Keywords : Apache, Bash, DNS, Debian, FedRAMP, Jira, Linux, Python, SQL, SSL, SaaS, Salesforce, TCP/IP About the job Qualifications: •OSI Layer understanding. Knowledge of broadcast domain vs. collision domain. Familiarity with different records zones in DNS and how it works. Understanding of SSL Handshake and TCP/IP Handshake. Proficiency in ARP, DHCP, proxy servers, and DNS cache clearing. Differentiation between TCP and UDP, and protocols & their workings. •Understanding of the boot process and run levels. Various ways to assign an IP address to a Unix/Linux/Debian machine. Proficient in checking running processes, hidden files, and installing packages. Knowledge of sudo, permissions, file systems, and SSH banner. •Insight into the Windows boot process and control panel basics. Understanding of UAC, registry hives, and remote registry manipulation tools. Knowledge of kernel mode vs. user mode, Active Directory, and Group Policies. Familiarity with Kerberos and NTLM authentication, Procmon, and service control manager. •Understanding of vulnerabilities, the vulnerability cycle, and exploits. Knowledge of malware types (virus, trojan, worm) and False/True Positive/Negative concepts. Understanding of False Positive, False Negative, True Positive, and True Negative in the security context. Compensation: •Flexible work environment (work from home / hybrid options) Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!