--- title: Endpoint Security Engineer III at Risadirect description: Risadirect is hiring for the Endpoint Security Engineer III role in Springfield, VA. Full-time, on-site role. See the full description and apply. type: job url: https://www.foundrole.com/jobs/endpoint-security-engineer-iii-at-risadirect-01a15634-5024-7fc3-9043-3c317e1f32c3 date: 2026-11-15T01:26:44Z og_description: Join Risadirect as Endpoint Security Engineer III in Springfield, VA. Pays $117K–$128K per year. Full-time, on-site role. og_image: https://www.foundrole.com/og/q326sl.png breadcrumbs: - label: Home url: https://www.foundrole.com/ - label: Search url: https://www.foundrole.com/jobs --- | | | |---|---| | **Company** | risadirect.com | | **Location** | Springfield, VA | | **Salary** | $117K/yr - $128K/yr | | **Type** | Full Time | | **Posted** | Oct 19, 2026 | ## Is this job real? **Ghost job check:** A · Low risk. Probably a real opening. ## Visa sponsorship - **H-1B:** No H-1B sponsorship on record for risadirect.com. - **E-Verify:** No E-Verify enrollment on record for risadirect.com. ## Pay for similar jobs Most similar jobs pay $142,000 – $189,000 a year (median $160,000). ## Description **Endpoint Security Engineer III** Cyber 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. **About RISA** Rolston Information Systems Assurance (RISA) is a Service-Disabled Veteran-Owned Small Business that has supported federal defense and intelligence cybersecurity missions for more than seventeen years. We are small on purpose: direct access to leadership, a real say in how the work gets done, and none of the layers that slow large primes down. **Benefits** Medical, dental, and vision insurance; 401(k) and Roth; Paid Time Off; and 11 paid Federal Holidays. *RISA is an Equal Opportunity Employer.* - Upon receiving an offer of employment, all applicants will be required to do a background check, including a criminal record check and employment/education verification. ## Skills - Scripting - Cyber Security - DoD 8570 Certification - Enterprise Architecture - Status Reporting - Hardening - Red Hat Certified System Administrator - DoD IAT Level II Certification - Network Engineering - Planning - Python - Automation - Strategic Planning - Windows PowerShell - Tenable - Network Architecture - DISA STIG - Vulnerability Scanning - Bash - Nessus - Polygraphy - Maintenance - Computer Science - Linux - Top Secret-Sensitive Compartmented Information (Ts/sci Clearance) - CompTIA Security+ ## Benefits - Health Insurance - Dental Insurance - Vision Insurance - Paid Time Off (Pto) - 401(k) Plans ## Related - [Technology & Software jobs](https://www.foundrole.com/careers/technology-and-software?utm_source=ai_markdown)- [Cybersecurity jobs](https://www.foundrole.com/careers/technology-and-software/cybersecurity?utm_source=ai_markdown)- [Security Engineer jobs](https://www.foundrole.com/careers/technology-and-software/cybersecurity/security-engineer?utm_source=ai_markdown)- [Cybersecurity Engineer jobs](https://www.foundrole.com/careers/technology-and-software/cybersecurity/security-engineer/cybersecurity-engineer?utm_source=ai_markdown)- [Browse all companies](https://www.foundrole.com/companies?utm_source=ai_markdown) ## Related pages - [IT Services and Consulting](https://www.foundrole.com/sectors/technology/it-services-and-consulting?utm_source=ai_markdown) — 150239 jobs - [Virginia](https://www.foundrole.com/locations/us/virginia?utm_source=ai_markdown) — 99852 jobs ## Browse - [Companies](https://www.foundrole.com/companies?utm_source=ai_markdown) - [Jobs by country](https://www.foundrole.com/locations?utm_source=ai_markdown) - [Jobs in the United States by state and city](https://www.foundrole.com/locations/us?utm_source=ai_markdown) - [H1B sponsors by location](https://www.foundrole.com/h1b-sponsors?utm_source=ai_markdown) - [H1B salaries](https://www.foundrole.com/h1b-salaries?utm_source=ai_markdown) - [Sectors and industries](https://www.foundrole.com/sectors?utm_source=ai_markdown) - [Jobs by career field](https://www.foundrole.com/careers?utm_source=ai_markdown) - [Latest jobs](https://www.foundrole.com/jobs/latest?utm_source=ai_markdown)