Vulnerability Assessment Analyst / Information Systems Security Engineer (ISSE)

Location: - Annapolis Junction, MD Schedule: Part-Time – Evenings and Weekends Clearance: Active TS/SCI with Full Scope Polygraph required Position Overview Our client is seeking a Vulnerability Assessment Analyst / Information Systems Security Engineer (ISSE) to support vulnerability management and continuous monitoring activities in a highly secure environment.

• The position will focus heavily on Tenable Security Center, Nessus/ACAS vulnerability scanning, DISA STIG compliance, vulnerability remediation, and Windows/Linux security.
• The position is based at a contractor site in Annapolis Junction, Maryland, with a part-time evening and weekend schedule.
• Responsibilities Maintain and optimize the Tenable Security Center infrastructure.
• Perform security assessments, patching, and vulnerability scans of Linux Security Center servers using Tenable Nessus.
• Identify and mitigate DISA STIG findings and vulnerabilities across Tenable Security Center and Windows/Linux Nessus scanning servers.
• Install, configure, maintain, and update Tenable Nessus and Tenable Security Center software.
• Configure and fine-tune vulnerability scanning policies and asset lists to ensure comprehensive coverage.
• Conduct recurring vulnerability assessments across multiple device types and operating systems.
• Use Nessus/ACAS to identify vulnerabilities across customer assets as part of continuous monitoring activities.
• Review and analyze Nessus/ACAS scan results and provide remediation guidance.
• Analyze vulnerability scan results and develop comprehensive reports.
• Monitor and track vulnerability remediation activities through completion.
• Coordinate with Information Systems Security personnel and other technical teams to ensure vulnerabilities are addressed in a timely manner.
• Communicate security posture, vulnerabilities, and potential risks to technical and management stakeholders.
• Maintain accurate documentation and records related to vulnerabilities and security incidents.
• Required Qualifications Active TS/SCI clearance with Full Scope Polygraph .
• Hands-on experience with enterprise vulnerability management and scanning solutions such as Tenable Security Center, Tenable Nessus, and/or ACAS .
• Familiarity with DISA STIGs, Tenable Audit Files, and/or CIS Benchmarks .
• Knowledge of system and application security threats and vulnerabilities.

Working knowledge of: - Linux/Unix administration Windows administration Networking Patch deployment System configuration Ability to analyze vulnerability scan results and support remediation efforts.

Education & Experience Candidates must meet one of the following combinations: - High School Diploma/GED + 11 years of relevant experience , OR Bachelor's Degree + 7 years of relevant experience .

• Certification Requirements Must meet DoD 8570 IAT Level II requirements.

Acceptable certifications identified for the position include: - CompTIA Security+ CE CEH Training alone is not acceptable as a substitute for the required CE certification.

• Preferred Qualifications In-depth knowledge of vulnerability assessment methodologies, tools, and industry best practices.
• Strong analytical and problem-solving skills with excellent attention to detail.
• Self-starter capable of owning technical tasks from beginning to end.
• Ability to work effectively both independently and as part of a technical team.
• Strong written and verbal communication skills for presenting vulnerability findings and security risks to stakeholders.
• Security Requirements Candidates must possess an active TS/SCI clearance with Full Scope Polygraph and be able to operate as a privileged user within the supported environment.
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