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Senior VAT Analyst

Job in Arlington, Arlington County, Virginia, 22201, USA
Listing for: Leidos
Full Time position
Listed on 2026-01-16
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 125000 - 150000 USD Yearly USD 125000.00 150000.00 YEAR
Job Description & How to Apply Below

Description

Leidos has an immediate need for an experienced Vulnerability Assessor for a new customer on a highly-visible and strategic Cybersecurity Task Order. The VAT Analyst will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to work within a team to stand up and mature the cybersecurity capabilities of our customer.

Primary Responsibilities:

  • Develop and execute vulnerability/compliance scans through Nessus SC interface, determine whether a completed scan has provided valid results, and generate a variety of reports to meet customer needs and expectations

  • Coordinating and collaborating with operations teams to identify solutions for vulnerability mitigation.

  • Continuously research emerging threats to the environment in order to disseminate the information to all stakeholders, immediately assess the known environment for presence of the vulnerability, and work with the SOC and enterprise networking teams to proactively block exploitation within the customer environment.

  • Perform enterprise-wide network scans, agent scans, including credentialed scans of Linux, Windows, and Network devices.

  • Configure and maintain scan templates based on asset types, repository, credentials, etc. in support of continuous scanning requirements for various FISMA systems

  • Perform security compliance and vulnerability assessments, specifically developing and applying STIG or CIS baselines for various operating systems, including Windows or RHEL and CentOS

  • The candidate must possess strong communications skills and the demonstrated ability to convey technical concepts to non-technical audiences

  • Maintain up-to-date knowledge of the customer and its services

  • Maintain, optimize, and troubleshoot scan policies and repositories.

  • Manage scan policies for multiple FISMA systems

  • Perform vulnerability analysis from scan results and prioritize vulnerabilities and findings for remediation

  • Coordinate with other program staff, FISMA system ISSOs, and system owners to explain findings, provide recommendations on mitigations, and advocate for mitigation of vulnerabilities

  • Conduct scheduled and ad-hoc or emergency vulnerability/compliance scanning to support targeted incident investigation, escalation, and emergency response to security events in accordance with documented procedures

  • Author and maintain SOPs and runbooks

Basic Qualifications

BS degree in Science, Technology, Engineering, Math or related field and 8+ years of prior relevant experience with a focus on cybersecurity OR Masters with 4-6 years of prior relevant experience. Additional experience and/or cyber certifications may be considered in lieu of a degree.

  • At least two years of direct experience in vulnerability assessment/management.

  • Familiar with the management, operational, and technical aspects of IT Security in a complex environment.

  • Experience working with industry-standard cybersecurity methodologies and processes

  • Advanced knowledge of TCP/IP protocols

  • Experience configuring and implementing various technical security solutions,

  • Substantial experience managing vulnerability/compliance scans using Tenable/Nessus products

  • Possess at least one of the following certifications:

ISC2: CISSP

EC Council: CEH

CompTIA:
Security+

  • Department of Homeland Security (DHS) Entry on Duty (EOD) is required to support this program

Preferred Qualifications

  • Previous experience working in a DHS or other federal government agency SOC/NOC/NOSC environment

  • Familiarity or experience in Intelligence Driven Defense, Cyber Kill Chain methodology, and/or MITRE ATT&CK framework.

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting:January 13, 2026

For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close…

Position Requirements
10+ Years work experience
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