Linux/Tenable Administrator

D2 Technical Services; St. Louis (MO); On-site; USD 130,000 - 140,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k) match

PTO

Professional development reimbursement

Job summary

D2 Technical Services seeks a Tenable Administrator with Linux expertise to manage the Tenable Suite across our security infrastructure. This role targets vulnerability management within a DoD-aligned environment, emphasizing hands-on administration and proactive risk mitigation.

You will install, configure, and sustain Tenable Security Center and Nessus components on Linux, perform scans, analyze results, and coordinate remediation with IT teams. A current TS/SCI clearance is required.

Qualifications

• TS/SCI clearance current; ability to pass a government polygraph
• CSSP Infrastructure Support certification within 6 months of hire
• Bachelor's degree in Engineering, Computer Science or related field with 10 years of cyber security experience
• Hands-on administrator experience with Tenable Suite (Security Center, Nessus Scanners, Nessus Manager)
• Strong Linux operating system knowledge: install, configure, maintain
• Experience with large-scale enterprise/global networks in a DoD-aligned environment
• Familiarity with scripting for automation (Python, PowerShell) and reporting

Responsibilities

• Install, configure, and maintain Tenable components on Linux platforms
• Perform regular vulnerability scans and assess findings
• Prioritize vulnerabilities by severity and impact
• Collaborate with IT and security teams to remediate issues
• Generate and distribute vulnerability reports to stakeholders
• Monitor security alerts and respond to incidents promptly
• Stay updated on threats and vulnerabilities; provide user training on Tenable products

Skills

TS/SCI clearance

DoD framework knowledge

Automation scripting (Python, PowerCLI

Security reporting to leadership

Education

Bachelor's degree in Engineering/CS

CSSP Infrastructure Support certification

Tools

Tenable Security Center

Tenable Nessus Scanners

Tenable Nessus Manager

Job description

**ACTIVE TS/SCI SECURITY CLEARANCE REQUIRED**

The Tenable Administrator will support our Intelligence Community customer’s various endpoint security platforms. Positions on TCS require a TS/SCI clearance to be eligible for hire; with the ability to successfully pass a Government polygraph as a post-hire requirement.

Position Overview:
We are seeking a highly skilled Tenable product Administrator with hands-on experience in Linux platforms to join our team. The ideal candidate will be responsible for managing and administering our Tenable Suite environment, as well as configuring and maintaining them on Linux systems. This role requires a deep understanding of vulnerability management, security protocols, and the Tenable product suite, with a strong focus on Linux-based installation.

Responsibilities:

• Install, configure, and maintain the Tenable Security Center, Tenable Nessus Scanners, and Tenable Nessus Managers on Linux platforms.
• Perform regular vulnerability scans and assessments across the organization's network using Tenable products
• Analyze scan results and prioritize vulnerabilities based on severity and impact.
• Collaborate with IT and security teams to remediate identified vulnerabilities.
• Generate and distribute vulnerability reports to stakeholders.
• Monitor security alerts and respond to incidents in a timely manner.
• Stay updated on the latest security threats and vulnerabilities.
• Provide training and support to users on the Tenable Security Center, Tenable Nessus Scanners, and Tenable Nessus Managers on Linux
• Ensure the optimal performance and security of the Tenable environment on Linux platforms
• Configure and install various security products utilizing Linux OS.

Qualifications

Required:

• TS/SCI clearance (current). As a post-hire requirement, selected candidate must be able to successfully pass and maintain a Government polygraph.
• Must obtain a CSSP Infrastructure Support certification within 6 months of hire date
• Bachelor's degree (Engineering, Computer Science or related field) and ten (10) years of technical experience in Cyber Security. Additional experience may be considered in lieu of a degree.
• Working knowledge of maintaining Enterprise Cyber Security Engineering requirements utilizing all or some of the following tools:Tenable Suite that include Security Center, Nessus Scanners, Nessus Manager with hands-on administrator experience
• Strong working knowledge of Linux operating systems, including installation, configuration, and maintenance
• Experience with large-scale enterprise/global networks in a high-paced, diverse environment
• Understanding of and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions
• Experience in providing status reports and products to senior management and customers
• Experience with plans, designs, and evaluations of security systems and architectures
• CSSP Infrastructure Support certification
• Familiarity with scripting languages (e.g., Python, PowerShell) for automation tasks

Additional Information

• All your information will be kept confidential according to EEO guidelines.
• Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically $130-$140k. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.
• Highlights of our benefits include Health/Dental/Vision, 401(k) match, Accrued PTO, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and more!

D2 Technical Services is committed to a merit-based recruitment process and encourages applications from all qualified individuals. As a Veteran-Owned Small Business, we particularly welcome applications from veterans who have the requisite skills and experience. Job applicants that are interested in one of our openings and may require a reasonable accommodation to participate in the job application or interview process, should contact us to request an accommodation.

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