Endpoint Security Engineer IIICyber Security Engineer III | Vulnerability Management (Tenable / Nessus, Linux)
Location: Springfield, VA (100% onsite)
Time Type: Full Time
Clearance Required to Start: Active TS/SCI (U.S. citizenship required)
Additional Requirement: Government polygraph, post-hire
Travel: Up to 10%, local
Salary Range: $117,000 - $128,000 per year
Own the Tenable stack for an Intelligence Community enterprise, from the Linux box up.RISA is hiring a senior Endpoint Security Engineer to install, run, and tune the Tenable Suite (Security Center, Nessus Scanners, and Nessus Managers) on Linux across a large, global network supporting an Intelligence Community customer. This is a hands-on administrator role on a long-term program, working alongside a talented engineering team. You will talk to the owner here, not a recruiting queue.
What You Will Do- Install, configure, and maintain Tenable Security Center, Nessus Scanners, and Nessus Managers on Linux platforms.
- Run regular vulnerability scans and assessments across the enterprise network.
- Analyze scan results and prioritize vulnerabilities by severity and impact.
- Work with IT and security teams to remediate findings.
- Produce and distribute vulnerability reports to stakeholders and senior management.
- Monitor security alerts and respond to incidents promptly.
- Train and support users on the Tenable products.
- Keep the Tenable environment performing well and secure, and install and configure other security products on Linux.
- Stay current on emerging threats and vulnerabilities.
What You'll Bring- Active TS/SCI clearance, and the ability to pass and maintain a Government polygraph after hire.
- Current DoD 8570/8140 IAT Level II certification (e.g., Security+ CE or higher).
- Ability to obtain a CSSP Infrastructure Support certification within six months of hire.
- Education and experience: Bachelor's degree in Engineering, Computer Science, or a related field plus ten years of technical cybersecurity experience. Additional experience may be considered in lieu of a degree.
- Hands-on administrator experience with the Tenable Suite: Security Center, Nessus Scanners, and Nessus Manager.
- Strong Linux skills: installation, configuration, maintenance, and hardening.
- Experience on large-scale enterprise or global networks in a fast-paced environment.
- Understanding of the DoD Architecture Framework and DoD network architecture and strategic planning guidance.
- Experience planning, designing, and evaluating security systems and architectures.
- Experience delivering status reports and products to senior management and customers.
Nice to Have- CSSP Infrastructure Support certification.
- Linux certifications (RHCSA, RHCE, Linux+, or similar).
- Scripting for automation (Python, Bash, PowerShell).
- Experience hardening Linux to DISA STIGs.
BenefitsMedical, dental, and vision insurance; 401(k) and Roth; Paid Time Off; and 11 paid Federal Holidays.
