Senior Endpoint Security Engineer: Tenable & Linux, Onsite

RISA; Springfield (VA); On-site; USD 117,000 - 128,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) and Roth

Paid Time Off

11 paid Federal Holidays

Job summary

RISA in Springfield, VA is seeking a senior Endpoint Security Engineer to own the Tenable stack on Linux across a large, global network supporting an Intelligence Community customer. This hands-on role requires TS/SCI clearance and deep expertise with Security Center, Nessus, and Linux.

You will install, configure, and tune the Tenable suite, run vulnerability assessments, prioritize findings by impact, and collaborate with IT and security teams to remediate.

Qualifications

• Active TS/SCI clearance and ability to pass a government polygraph after hire.
• DoD 8570/8140 IAT Level II certification required (e.g., Security+ CE or higher).
• Bachelor’s degree in Engineering, Computer Science, or related field with ten years of cybersecurity experience.
• Hands-on with Tenable Suite: Security Center, Nessus Scanners, and Nessus Manager.
• Strong Linux installation, configuration, maintenance, and hardening skills.

Responsibilities

• Install, configure, and maintain Tenable Security Center, Nessus Scanners, and Nessus Managers on Linux.
• Run regular vulnerability scans and assessments across the enterprise network.
• Analyze scan results, prioritize vulnerabilities by severity and impact.
• Remediate findings with IT and security teams.
• Produce vulnerability reports for stakeholders and senior management.
• Monitor security alerts and respond to incidents promptly.
• Train users on Tenable products and keep the environment secure.

Skills

TS/SCI clearance

Tenable Suite

Linux administration

Scripting (Python Bash PowerShell)

Vulnerability management

DoD 8570/8140 IAT II

Education

Bachelor's degree in Engineering, Computer Science, or related field

Tools

Tenable Security Center

Nessus Scanners

Nessus Manager

Linux

Job description

RISA in Springfield, VA is seeking a senior Endpoint Security Engineer to own the Tenable stack on Linux across a large, global network supporting an Intelligence Community customer. This hands-on role requires TS/SCI clearance and deep expertise with Security Center, Nessus, and Linux.

You will install, configure, and tune the Tenable suite, run vulnerability assessments, prioritize findings by impact, and collaborate with IT and security teams to remediate.