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Information Systems Security Engineer (ISSE)_TS/SCI with Polygraph

General Dynamics Information Technology
United Statesfull_timeVerifiedPosted 22 Mar 2026
💰 $166,750/yr($123,250/yr$166,750/yr)

About the role

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Cyber and IT Risk Management

Job Qualifications:

Skills:

Information Security Engineering, Information Technology Security, RMF

Certifications:

None

Experience:

4 + years of related experience

US Citizenship Required:

Yes

Job Description:

We are seeking an experienced Information Systems Security Engineer (ISSE) to lead Assessment and Authorization (A&A) and Continuous Monitoring (ConMon) activities, ensuring compliance with Risk Management Framework (RMF) requirements across multi-level classification environments with diverse technologies.

Key Responsibilities

The ISSE will play a critical role in managing and coordinating system security actions by defining, tracking and executing RMF actions in accordance with ICD 503 (NIST 800-53) to obtain and sustain system authorizations. The candidate must demonstrate a thorough understanding of security policies, risk management, and vulnerability assessment tools.

Responsibilities include:

  • Assessment & Authorization (A&A):
    • Oversee team preparation and submission of Interim Authorization to Test (IATT) and Authority to Operate (ATO) requests as well as directly conducting same
    • Ensure development, accuracy, maintenance, and coordination of all required Body of Evidence (BoE) documentation for assigned and team system assets
    • Collaborate across Technical Services and Security Services teams, as well as customer agency stakeholders, to ensure compliance
    • Track and oversee workflow for lien remediation/resolution activities and entering tracking tool updates
    • Evaluate system change requests and assessing both system and organizational risks associated with modifications
  • Continuous Monitoring (ConMon):
    • Conduct, oversee and track execution of ConMon activities within established timelines, including BoE collection and tracking tool updates
    • Conduct and oversee recurring reviews of system state and security posture to ensure that systems meet security requirements and are compliant with defined security policies and procedures.
    • Provide recommendations for security control implementation and identifying necessary countermeasures or mitigating controls
    • Respond to and oversee / coordinate responses to queries and requests for security information and reports
  • Incident Response & Security Oversight:
    • Support and coordinate investigations of security incidents and reporting findings as necessary
    • Guide and coordinate the communication, implementation and enforcement of security policies and plans for data, applications, hardware, and telecommunications systems
    • Advise stakeholders on information assurance standards, dependencies, and emerging security technologies
    • Oversee ongoing engagement with Enterprise Security Services tools (e.g., Trellix, ACAS, Splunk) to track and remediate vulnerabilities and compliance deficiencies

The ISSE responsibilities also include the following activities:

  • Drive continuous improvement of ISSE capabilities to enhance performance and compliance levels over time.
  • Lead and contribute direct support to various processes, reporting, and planning for both internal and customer-facing activities.
  • Ensure consistency of implementation for consistent RMF/A&A asset management and compliance.
  • Create and implement quality management through best practices and efficiencies, enabling the ability to manage workflows, define priority areas, and view trends.
  • Participates in special projects as required.

Required Qualifications

  • Education: Bachelor’s degree in Information Systems, Cybersecurity, or a related field (or equivalent experience)
  • Experience: Minimum of 4 years of applicable experience in cybersecurity, RMF compliance, or system security engineering as well as a minimum of 4 years of working in the Intelligence Community and Information Technology sector
  • Certifications: Required: DoD 8570 IAM Level II compliant certification required, Security + CE
  • Clearance: TS/SCI with Polygraph
  • Preferred Qualifications & Skills:
    • Masters degree in Information Systems, Cybersecurity, or a related field (or equivalent experience)


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Company

General Dynamics Information Technology

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