Vulnerability & Security Engineer — Tenable/Nessus TS/SCI

CACI International; Maryland; On-site; USD 87,000 - 182,000; Part time

Job summary

CACI International is seeking a Vulnerability Assessment Analyst - Information Systems Security Engineer to work on-site in Annapolis Junction, MD, supporting enterprise vulnerability management and cybersecurity operations.

The ideal candidate has hands-on experience with Tenable Security Center and Nessus in Linux and Windows environments, conducts vulnerability assessments and STIG remediation, and can work independently while collaborating with ISS and other technical teams to strengthen the

Qualifications

• Bachelor’s degree with 7+ years of experience.
• DoD 8570 IAT Level II certification required.
• CEH or CompTIA Security+ CE certification.

Responsibilities

• Maintain and optimize Tenable Security Center infrastructure and scanning environments.
• Conduct vulnerability assessments, patching, and Nessus scans across Linux and Windows servers.
• Configure and update Tenable Nessus and Tenable Security Center software.
• Fine-tune scanning policies, asset lists, and security configurations for comprehensive coverage.
• Review Nessus/ACAS results and identify remediation actions.
• Collaborate with ISS and technical teams to strengthen security posture.
• Communicate risk, findings, and remediation status to stakeholders.

Skills

Vulnerability management

Analytical skills

Communication

Cybersecurity

Security monitoring

Education

Bachelor's degree

Tools

Tenable Nessus

Job description

CACI International is seeking a Vulnerability Assessment Analyst - Information Systems Security Engineer to work on-site in Annapolis Junction, MD, supporting enterprise vulnerability management and cybersecurity operations.

The ideal candidate has hands-on experience with Tenable Security Center and Nessus in Linux and Windows environments, conducts vulnerability assessments and STIG remediation, and can work independently while collaborating with ISS and other technical teams to strengthen the