Nessus Administrator

Job Description

Job Description

We're growing our team to support a critical mission: delivering secure, enterprise-level IT services for the U.S. Air Force through the Enterprise IT as a Service (EITaaS) Wave 1 initiative. This role plays a direct part in protecting sensitive systems by strengthening our vulnerability management capabilities on SIPR networks. If you thrive in complex, highly secure environments and enjoy solving technical challenges with purpose, youll feel right at home here.

What You'll Do

As a Nessus Administrator, youll manage and optimize our Tenable suite of toolshelping ensure that systems are scanned accurately, vulnerabilities are identified, and risks are communicated clearly. Your expertise will help maintain the integrity of mission-critical infrastructure.

Core Responsibilities:

Installation & Configuration

• Install and configure:
• Nessus, Nessus Manager, Nessus Agents
• Nessus Network Monitor
• Log Correlation Engine
• Tenable Security Center on both Linux/Unix and Windows systems
• Set up secure Tenable servers with TLS encryption
• Manage installation and updates of plugins, feeds, and audit files
• Handle licensing (online and offline environments)

Integration & Access Management

• Integrate Tenable tools with LDAP, Active Directory, and CyberArk
• Create and manage organizations, repositories, and scan zones
• Manage user accounts (local and LDAP-based)
• Add and configure scan policies, audit templates, and credentials
• Set up Nessus Manager scan pulls into Security Center

Scanning & Analysis

• Define scan and audit policies based on enterprise needs
• Schedule and run regular vulnerability scans
• Generate, import, and upload scan reports
• Analyze and validate scan results
• Support remediation by translating findings into clear, actionable insights

Operations & Maintenance

• Provide ongoing support and performance tuning for Nessus tools as part of the EITaaS Enterprise solution
• Stay up to date with Tenable product changes and best practices
• Troubleshoot technical issues and streamline scanning workflows

Requirements:

• 10+ years of experience managing vulnerability scanning tools, with a focus on Nessus
• Strong understanding of vulnerability assessment and remediation best practices
• Hands-on experience with Tenable suite: Nessus, Nessus Manager, Security Center, and Agents
• Proven success supporting large-scale enterprise environments
• Solid troubleshooting skills and attention to detail
• Ability to manage multiple projects with a strong focus on priorities and deadlines
• Excellent communication skillsespecially when breaking down technical findings for non-technical stakeholders
• Comfortable collaborating across technical and functional teams
• CompTIA Security+ - DoD 8140 compliance

Preferred:

• A degree in Computer Science, Information Security, or a related field is a plus
• Familiarity with scripting (Python, Bash) for automation is a plus
• Tenable Certified Nessus Expert (TCNE)
• CEH, GSEC, CISSP, CISM, or CCSP