Information Systems Security Engineer - ISSE - Military veterans preferred

General Dynamics Mission Systems (


  full-time   employee

United States

Basic Qualifications
Bachelor's of Science degree in Engineering, a related specialized area or field is required (or equivalent experience) plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.
Candidates must be able to obtain a Department of Defense TS/SCI with Polygraph security clearance. Must have at least a TS/SCI clearance. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.
Experience developing System Security Plans (SSPs) and supporting Assessment & Authorization (A&A) documentation
Proficient understanding of cyber security specifications such as Risk Management Framework (RMF), DIACAP, STIGs and other government security specifications and guidelines
Excellent communication skills and comfortable talking with senior leadership and technical subject mater experts
Comprehend complex system infrastructure designs consisting of Windows, Linux/RHEL OS, networking equipment (routers, firewalls), and Cross Domain Solutions (CDS).
Experience with Windows/Linux System Administration
Understand basic network protocols (TCP/UDP, HTTP)
Experience with Tenable Nessus
Experience with XACTA
Responsibilities for this Position
General Dynamics Mission Systems has an immediate opening for a Information Systems Security Engineer (ISSE). This position provides an opportunity to further advance the cutting-edge technology that supports some of our nation’s core defense/intelligence services and systems. General Dynamics Mission Systems employees work closely with esteemed customers to develop solutions that allow them to carry out high-stakes national security missions.
Candidates will support the security division's Insider Threat efforts to ensure all system networks are properly secured and monitored. You will work closely with a team of System Engineers, Software Developers and lead Solutions Architect in deploying a technical Insider Threat solution. Assist with the Assessment and Authorization (A&A) documentation of multiple system assets through the Risk Management Framework (RMF). Identify and implement system controls across all assets.
Perform system inspections/ audits to identify controls not met and work closely with system engineers/administrators to remediate
Perform technical security controls assessments and baseline validations to identify vulnerabilities and control deficiencies as part of continuous monitoring program
Participate in internal / external security audits/inspections, create and maintain Plan of Action and Milestones (POAM) as required
Write A&A documentation and ensure the systems operate in accordance with these security plans
Interact with technical team members from multi-domain organizations in a diversified, team environment
Track and audit all assets across the enterprise and ensure they are compliant, while communicating findings to senior leadership.
Maintains records, outlining required patches/system upgrades that have been accomplished throughout the information system's life cycle
As a member of the cyber security team, supports the system security design effort, security requirements analysis, and security requirements flow down to the program elements
Executes or supports the execution of the development of program required security documentation, including items such as security plans, contingency plans, and security tests plans and procedures in compliance with the IA policy
Generates or supports the generation of Assessment and Authorization (A&A) (or Certification and Accreditation (C&A) documentation for the program
Executes the security testing and evaluation to ensure the correct implementation of security requirements
Executes security scanning and the analysis of the scan results
Supports the Assessment and mitigation of system security threats and risks throughout the program life cycle
Contributes to the completion of major programs and projects with the execution of the system security activities
Plans and executes project tasks for activities described abov

Proficient Microsoft products (Excel, Word, PowerPoint, Visio) and experience JIRA/Confluence is a plus
Proficient use and understanding of systems engineering concepts, principles, and theories
Proficient knowledge of cyber security technology and trends
Contributes to the achievement of business objectives
Recognizes and incorporates various security designs and lessons learned
Strong written and verbal communications skills
Able to sell concepts and ideas
Proficient ability in communicating issues, impacts, and corrective actions as they affect the cyber design and implementation
Proficient ability to clearly report relevant cyber systems engineering design
Regular contact with senior levels of internal security work groups
Ability to participate in or lead security work groups
Works under limited direction
Contact with project leaders and other professionals within the Engineering department and with project teams
Maintains contact with the external customers' security professionals
Creative thinker, good multi-tasker

DoD 8570.1M compliant (E.g Security+, CISSP)
Company Overview
General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 13,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high performance team!
General Dynamics is an Equal Opportunity/Affirmative Action Employer that is committed to hiring a diverse and talented workforce. EOE/Disability/Veteran