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  3. Principal Information System Security Engineer (ISSE)
Redhorse logo

Principal Information System Security Engineer (ISSE)

Redhorse
Chantilly, VA
Full Time
Posted August 10, 2026
$160k - $185k
Power Generation
~113 people viewed this recently
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Application opens on company website

Job Description

Now is a great time to join Redhorse Corporation.

Key Responsibilities

  • Act as a recognized authority within the company, providing technical and programmatic Information Assurance (IA) services for complex network and information security systems.
  • Work on unusually complex technical problems, providing highly innovative solutions that align with mission goals.
  • Lead efforts to capture new business through high-level technical work, research, and capability briefings to prospective clients.
  • Design, research, and develop highly advanced applications that may result in new product or business opportunities for Redhorse.
  • Determine and pursue courses of action necessary to obtain desired security and business results with minimal supervision.
  • Design, develop, and implement security requirements within an organization’s business processes.
  • Prepare documentation using accepted guidelines such as DITSCAP, DIACAP, NIACAP, NIST SP 800-37, and DCID 6/3 frameworks.
  • Prepare and execute Security Test and Evaluation (ST&E) plans.
  • Provide certification and accreditation (C&A) support and conduct complex risk and vulnerability assessments.
  • Analyze policies and procedures against Federal laws and regulations, providing recommendations to close critical security gaps.
  • Develop and complete system security plans, contingency plans, and risk mitigation strategies.
  • Recommend and implement system enhancements to improve security deficiencies.
  • Develop, test, and integrate computer and network security tools.
  • Secure system configurations, install security tools, and scan systems to determine and report compliance results.
  • Conduct security program audits and develop solutions to lessen identified risks.
  • Develop strategies to comply with privacy, risk management, and e-authentication requirements.
  • Provide IA support for the development and implementation of security architectures to meet evolving security requirements.
  • Provide expert assistance in computer incident investigations and vulnerability assessments.

Requirements

  • Advanced security certifications such as CISSP-ISSEP or CISM.
  • Experience with Cloud Service Provider (CSP) security architectures (AWS, Azure, or Google Cloud).
  • Familiarity with DataBricks, GitLab, Spark, or Jira in a secure government environment.
  • Experience with automated compliance-as-code and DevSecOps practices.
  • Previous experience in a consulting or advisory role for high-level government stakeholders.

Ready to Apply?

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