VTG

Defense and intelligence services provider

Information Systems Security Engineer

Security Engineering & ArchitectureConfirmed live in the last 24 hours

Full-timeChantilly, VA, USANo salary listedIn-person

About the Job

Requirements

An active TS/SCI with Polygraph is required.
A bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field, or equivalent experience, is required.
At least 5 years of information security experience with a focus on system security engineering is required.
Hands-on experience with the Risk Management Framework (RMF) and NIST 800-53 controls is required.
Experience developing and maintaining authorization and accreditation documentation, including System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), and Authority to Operate (ATO) packages, is required.
Knowledge of Windows and Linux operating systems and network security principles is required.
Experience with vulnerability scanning tools such as ACAS or Nessus is required.
Familiarity with security tools such as security information and event management (SIEM) systems, firewalls, and endpoint protection is required.
Understanding of encryption, identity management, and access control mechanisms is required.

Responsibilities

Design, implement, and maintain security controls for information systems and networks.
Support the Risk Management Framework lifecycle, including system categorization, control selection, implementation, assessment, and authorization.
Conduct security assessments, vulnerability scans, and risk analysis.
Develop and maintain system security documentation, including SSPs, POA&Ms, and SARs.
Ensure systems comply with NIST, RMF, and organizational security policies.
Collaborate with ISSOs, system administrators, and developers to remediate vulnerabilities.
Support continuous monitoring and incident response activities.
Implement and manage security tools, including SIEM, IDS/IPS, and endpoint protection.
Provide technical guidance on secure system architecture and design.
Stay current on emerging threats, vulnerabilities, and security technologies.

Overview

VTG is seeking a highly skilled Information Systems Security Engineer (ISSE) to design, implement, and maintain security controls across enterprise systems and networks. This role ensures systems are compliant with security requirements while supporting mission-critical operations. The ISSE will work closely with system owners, engineers, and cybersecurity teams to integrate security throughout the system lifecycle.

What will you do?

Design, implement, and maintain security controls for information systems and networks
Support the Risk Management Framework (RMF) lifecycle, including system categorization, control selection, implementation, assessment, and authorization
Conduct security assessments, vulnerability scans, and risk analysis
Develop and maintain system security documentation (SSP, POA&M, SAR, etc.)
Ensure systems comply with NIST, RMF, and organizational security policies
Collaborate with ISSOs, system administrators, and developers to remediate vulnerabilities
Support continuous monitoring and incident response activities
Implement and manage security tools (SIEM, IDS/IPS, endpoint protection, etc.)
Provide technical guidance on secure system architecture and design
Stay current on emerging threats, vulnerabilities, and security technologies

Do you have what it takes?

Active TS/SCI with Polygraph required.
Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or related field (or equivalent experience)
5+ years of experience in information security, with focus on system security engineering
Hands-on experience with RMF and NIST 800-53 controls
Experience developing and maintaining A&A documentation (SSP, POA&M, ATO packages)
Knowledge of operating systems (Windows, Linux) and network security principles
Experience with vulnerability scanning tools (ACAS, Nessus, or similar)
Familiarity with security tools such as SIEM, firewalls, and endpoint protection
Understanding of encryption, identity management, and access control mechanisms

About the Company

VTG

Defense and intelligence services provider

1) What VTG does: VTG provides defense and intelligence services with a focus on force modernization, digital transformation, aerospace and naval engineering, and cyber capabilities across a unified enterprise. 2) How its products work: It builds end-to-end capabilities by integrating specialized firms and services (engineering, IT, cyber, logistics) through acquisitions to deliver modernization and transformation for defense and intelligence customers. 3) How it differs from competitors: It operates as a single, cohesive organization after consolidating disparate units and growing through targeted acquisitions to expand its expertise in intelligence, cyber, and defense modernization rather than offering fragmented offerings. 4) What its goal is: To expand its footprint in the intelligence community and cyber domain while continuing defense modernization for government customers, supported by strategic growth and acquisitions.

Company size: 1,001-5,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Lenoir, NC
Founded: 1866

Recently Posted Jobs

Explore more opportunities at VTG

See more jobs