V

VTG

Defense and intelligence services provider

Senior Information Systems Security Officer

Full-TimeUpdated on 10/15/2026Deadline 9/9/27
$142k - $149k/yr
Senior
Bachelor's, Master's, Associate's
Chantilly, VA, USA
In Person
CybersecuritySecurity Governance, Risk & Compliance
No H1B Sponsorship
US Top Secret Clearance Required

About the job

Requirements
  • An active TS/SCI clearance with polygraph is required.
  • Candidates must currently hold or obtain and maintain a DoD 8570 IAT-3 certification within six months of starting.
  • Candidates must have education and experience appropriate to the position, with education relevant to computer engineering, information security, information management, or computer science and experience relevant to information technology security, information systems security, information assurance engineering, or systems administration.
  • Candidates must have a bachelor's degree and six years of experience, a high school diploma or GED and ten years of experience, an associate's degree and eight years of experience, or a master's degree and four years of experience.
  • Knowledge of and experience with ICD 503 and NIST SP 800-37 Risk Management workflows are required.
  • A thorough understanding and application of network security principles, practices, and implementations are required.
  • Working knowledge of cross-functional integration of information systems into a physical security environment is required.
  • Working knowledge of system functions, security policies, technical security safeguards, and operational security measures is required.
  • Understanding of system methodologies including client-server, web hosting, web content servers, policy servers, directory servers, firewalls, wide area networks, local area networks, switches, and routers is required.
  • Familiarity with detecting and preventing computer security compromises in a networked environment is required.
  • Working knowledge of configuration management, system maintenance, and integration testing is required.
  • Proficiency in tools used to prevent or negate malicious code is required.
  • Understanding of commercial off-the-shelf tools that scan the physical layer of removable and fixed media, including CDs, hard drives, thumb drives, and Zip/Jazz media, is required.
  • Ability to explain Intelligence Community Directive 503 in clear language is required.
  • Ability to support evidentiary forensics and preservation is required.
  • Ability to troubleshoot technical configurations and recommend protections for classified and sensitive data is required.
  • Ability to translate technical information and information technology jargon into plain English is required.
  • Ability to apply risk management principles to security challenges and clearly articulate the pros and cons of potential solutions is required.
  • Proficiency with computer operating systems such as Microsoft Windows, Linux, UNIX, and Mac OS is required.
  • Analytical ability to understand complex technical configuration management documents is required.
  • Proficiency with database maintenance is required.
  • Ability to elicit, articulate, and document information in an organized manner is required.
  • Ability to work independently of close supervision is required.
  • Experience with Microsoft Office Suite is required.
  • Working knowledge of applicable customer, Intelligence Community, and Department of Defense policies, procedures, and operating instructions related to information technology, information assurance, and information management is required.
  • Ability to prioritize work to meet deadlines and manage the workflow of the ISSO team is required.
  • Ability to correlate audit results across systems or users and notify the Information Systems Security Manager of discrepancies is required.
Responsibilities
  • Provide guidance and mentorship to junior team members.
  • Collaborate with system stakeholders and teammates to enhance system security.
  • Communicate with security stakeholders.
  • Create, revise, or review cybersecurity documentation.
  • Identify opportunities to increase customer value and engagement.
  • Act as a Data Transfer Agent between systems in different security domains.
  • Inventory, track, and control removable media and portable electronic devices.
  • Advise stakeholders on NIST SP 800-37 Risk Management Framework workflows and requirements.
  • Review Security Information and Event Management and Risk Management Framework workflow tools to advise the Information Systems Security Manager on system security baselines and authorization statuses.
  • Advise system stakeholders on acceptable use and applicable cybersecurity policies or regulations.
  • Report and document security incidents and response actions.
Desired Qualifications
  • Expertise with configuration management, system maintenance, and integration testing.
  • Ability to troubleshoot technical configurations and recommend protections for classified and sensitive data.
  • Expertise in tools used to prevent or negate malicious code.
  • Expertise in detecting and preventing computer security compromises in a networked environment.
  • Knowledge of forensic chain of custody and evidentiary preservation.
  • Demonstrated ability to guide complex information systems through assessment and authorization control gates.
  • Analytical ability to decipher complex technical configuration management documents.
  • Proficiency in maintaining databases.
  • Thorough working knowledge of applicable customer, Intelligence Community, and Department of Defense policies, procedures, and operating instructions related to information technology, information assurance, and information management.
  • Ability to work independently of close supervision.
  • Ability to establish and maintain effective working relationships with government and contractor program managers, security professionals, and mission partners.
  • Ability to provide guidance effectively to Assistant ISSOs and ISSOs.

About the company

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

N/A

Total Funding

N/A

Headquarters

Lenoir, North Carolina

Founded

1866

Get referred to VTG

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • VTG's sixth 2025 acquisition, Miklos Systems, deepens Intelligence Community software and cloud.
  • VTG won DoDIAC Pool 1 access in February 2025 for defense R&D.
  • More than 35% of VTG business now comes from Intelligence Community solutions.

What critics are saying

  • VTG's 2025 acquisition spree strains integration, systems, and culture across seven businesses.
  • VTG relies on federal contracts; one NAVSEA protest or recompete hits revenue in 2026.
  • Booz Allen and Leidos bundle similar IC services, threatening VTG's niche outright.

What makes VTG unique

  • John Hassoun turned VTG into a defense roll-up spanning IC, cyber, and naval engineering.
  • VTG won NAVSEA's five-year $130 million warfare systems engineering prime in May 2024.
  • VTG bought Triaplex, Miklos, Byte, iota IT, Tunuva, Loki, and Clear Cloud.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Hybrid Work Options

Flexible Work Hours

Growth & Insights and Company News

Headcount

6 month growth

19%

1 year growth

19%

2 year growth

20%
Investors Hangout
Nov 25th, 2025
VTG Acquires Miklos Systems for Expansion

VTG, a national security solutions provider, has acquired Miklos Systems, Inc. (MSI), a technology firm known for software engineering, to enhance its digital transformation capabilities within the Intelligence Community. MSI, founded in 1993 and 100% employee-owned since 2015, aligns with VTG's values of technical excellence and integrity. This acquisition supports VTG's strategy to expand in high-impact sectors, reinforcing its position in defense and intelligence solutions.

Chillicothe Voice
May 13th, 2025
VTG Acquires Byte, iota IT, Tunuva

VTG, a national security solutions provider, has acquired Byte Systems, iota IT, and Tunuva Technologies to enhance its capabilities in the Defense and Intelligence Community. This move follows a majority investment from A&M Capital, highlighting VTG's growth strategy. The acquisition aims to expand VTG's cybersecurity, software development, and systems engineering capabilities. A&M Capital has over $6 billion in commitments, supporting middle-market transactions across various sectors.

Greenville Business Magazine
Apr 30th, 2025
VTG Acquires Triaplex for Cyber Expertise

VTG has acquired Triaplex, Inc., enhancing its cyber and signals intelligence capabilities. This acquisition expands VTG's reach within the Intelligence Community, particularly in the National Capital Region. Triaplex, founded in 2020 and based in Fulton, MD, is known for its radio frequency solutions. This is VTG's fourth acquisition since receiving a majority investment from A&M Capital, which has over $6 billion in total commitments.

PR Newswire
Feb 25th, 2025
VTG Acquires Loki Solutions for IC Expansion

VTG, a national security solutions provider, has acquired Loki Solutions LLC to enhance its Intelligence Community portfolio. This acquisition, VTG's third since a majority investment from A&M Capital, boosts its operational capabilities and strategic contracts. Over 35% of VTG's business now involves Intelligence Community solutions. A&M Capital manages $4 billion, while Alvarez & Marsal Capital oversees $5.9 billion.

PR Newswire
Feb 6th, 2025
Vtg Wins Seat On $33B Dodiac Multiple-Award Contract

CHANTILLY, Va., Feb. 6, 2025 /PRNewswire/ -- VTG, an industry-leading national security solutions provider, announced that it has won a seat on the Department of Defense Information Analysis Center (DoDIAC) multiple-award contract (MAC) to provide mission-critical research and development services across the Defense science and technology ecosystem. The contract was awarded to VTG's wholly-owned subsidiary, Delta Resources, under the full and open Pool 1 by the U.S. Air Force's 774th Enterprise Sourcing Squadron