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Security Engineer

Job in Arlington, Arlington County, Virginia, 22201, USA
Listing for: Imagine One Technology & Management, Ltd.
Full Time position
Listed on 2026-10-03
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Security Engineer

C2H Virginia, Arlington, VA, US

30+ days ago Requisition

This position requires U.S. citizenship and an active U.S. DoD clearance.

Candidates who are not U.S. citizens are not eligible for this role.

Imagine One Technology & Management, Ltd. is seeking two (2) Security Engineers.

This position is contingent upon award of the associated work and will be performed in Dahlgren, Virginia.

The Security Engineers will be expected to:

  • Author DoD Cybersecurity Assessment and Authorization artifacts.
  • Document a system from a Cybersecurity perspective using Microsoft Office including MS Word, MS Excel and MS Visio and other appropriate tools.
  • Derive, document and/or identify system CONOPS for Mission Assurance Categorization per DoDI 8500.2.
  • Research and recommend logical and physical solutions that prevent, detect and correct the system to be certified and accredited.
  • Apply DISA Security Technical Implementation Guides (STIGs) and NSA recommendations.
  • Identify disagreements between as built specifications, security requirements and DoD security policies and recommend approaches to bring the system into compliance.
  • Author and revise system requirements and specifications to meet DoD security policies.
  • Perform vulnerability tests as Red Team and Blue Team using manual techniques, Assured Compliance Assessment Solution (ACAS) and other similar and appropriate IA and security tools.
  • Plan, execute and document risk assessments against known vulnerabilities based upon security approaches and known hacker techniques and exploits.
  • Identify and perform security analysis of connectivity relationships between the subject US Naval warfare system and the equipment to which it interfaces, both physically and virtually.
  • Lead and perform as ISSO to be focal point for all security matters related to specific sets of information systems.
  • Define an Information Assurance Vulnerability Management (IAVM) Plan. Plan, execute and document results of security tests.
  • Assist with developing cybersecurity requirements, policy standards, best practices, guidance and procedures for combat systems.
  • Conduct cybersecurity related research, analysis and coordination activities in support of DOD cyber assurance and policy efforts at multiple classification levels.
  • Participate in working groups to develop cybersecurity strategies to meet emerging threats.
  • Develop or use MBSE models to perform cybersecurity analysis.
  • Assist with:
  • analysis of cybersecurity, intelligence and information technology policy gaps for combat systems.
  • cybersecurity system engineering design, analysis and documentation of combat systems.
  • developing cybersecurity risk assessment analysis and risk mitigation plans for combat systems.
  • developing documentation of cybersecurity requirements, gap analysis, threat analysis, system engineering, risk assessment and mitigation for combat systems.
Desired Experience
  • Two (2) years program specific security engineering experience working with Navy afloat/tactical combat systems or five (5) years general security engineering experience.
  • Two (2) of the five (5) years of engineering experience on Combat Weapons Systems experience in Aegis, SSDS, Zumwalt, or other Navy afloat tactical combat systems.
  • Understanding of computer security, military system specifications, DoD Cybersecurity policies for both Land Based and afloat/tactical systems, and the ability to communicate clearly and succinctly in written and oral presentations.
Educational Requirements
  • Certified as IAT Level II or Level III per DoD 8570.01, or successor
Security Requirements
  • Active DoD Top Secret security clearance
  • One (1) engineer will require a TS/SCI clearance

Imagine One Technology & Management, Ltd., offers a full package of benefits and competitive salary, excellent group medical, vision, and dental programs. 401K savings plan; $4K annual tuition reimbursement ($5K if pursuing master's degree); employee training, development, and education programs; profit sharing; advancement opportunities; and much more!

ISO 9001:2015, ISO 20000-1:2018, ISO 27001:2013
CMMI Development and Services - Maturity Level 3
An Employee-Owned Business

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