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Cyber Security InfoSec Engineer

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Vosper Thornycroft Group
Full Time position
Listed on 2026-05-18
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security, IT Support
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

Overview

VTG is seeking an Information Systems Security Engineer (ISSE) for a technical development program supporting cloud-based applications, and its associated cloud infrastructure located on a highly secure network. The ISSE will work with a large team of developers, system engineers, Dev Ops engineers, database administrators, and system architects.

What will you do?
  • Participate in the team’s regularly scheduled Agile tag up (scrum) meetings and report on the status of assigned Jira issues.
  • Attend ad-hoc TEMs with the team to discuss and weigh in on numerous architectural aspects of the systems for assessing security impacts that may arise with system changes.
  • Assist with and/or lead security scans of the systems and report and analyze findings for impacts.
  • Review any security findings (CVEs) as noted by outside entities for system impact analysis and how best to proceed with addressing them.
  • Participate in team TEMs and review future system changes/new features for security impacts.
Primary Responsibilities
  • Identifying, selecting, implementing and assessing NIST SP 800-53 security and privacy controls.
  • Developing, establishing and integrating secure configuration baselines per DISA STIGs and CIS benchmark guidelines.
  • Participating in creating secure architectures and designs.
  • Ensuring security requirements are integrated into the System/Software Development life cycle (SDLC).
  • Performing Continuous Monitoring (Con Mon) activities to support Assessment and Authorization (A&A) requirements.
  • Reviewing, creating and maintaining relevant Assessment and Authorization (A&A) artifacts.
  • Performing security analysis and monitoring of a 100 percent AWS, cloud-based system.
  • Performing vulnerability scanning and analysis of the system.
  • Performing remediation and develop security implementations based on security findings.
  • Interface with Information System Security Managers (ISSM) to develop and accredit the system.
  • Participate in or lead technical exchange meetings, document meeting outcomes as needed, and brief management.
Do you have what it takes?
  • Active TS/SCI with Polygraph.
  • Experience level: 6-10 years.
  • Typically requires a Bachelor of Science (BS) degree, or relevant demonstrable experience.
  • Hands on experience with Linux (CLI).
  • Hands on experience with scripting and programming languages like BASH and Python.
  • Solid understanding of, experience with networking (e.g., ports, routing tables, subnets, VPNs, firewalls, routers, etc.) to include design, integration and troubleshooting issues.
  • Experience in working on teams utilizing Agile workflows and processes.
  • Strong understanding of NIST SP 800-37, NIST SP 800-53, NIST SP 800-160, DISA/CIS STIGs, and Common Vulnerabilities and Exposures (CVEs).
  • Experience with RMF workflow tools.
  • Strong communication, organizational, and writing skills.
  • Must be able to clearly and directly articulate findings and recommendations.
  • Must be open‑minded to considering alternative approaches to possible security issues noted by other team members.
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