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Information System Security Engineer (ISSE)- FTE- 100% onsite- Need Active Top Secret Clearance

Stellent IT LLCWashington, DC🇺🇸United StatesPosted 11 Sept 2026

Why This Role Stands Out

This role offers a significant opportunity to shape critical security architectures and contribute to national security initiatives, allowing you to leverage your expertise in a dynamic, on-site environment. If you possess an active Top Secret clearance and a strong background in information system security engineering, you'll thrive in this impactful position. Apply today to join a leading organization and advance your career in cybersecurity.

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Washington, DC, United States
Posted
17 hours ago

Job Description

Information System Security Engineer (ISSE)

Washington DC - 100% onsite

Fulltime

You must have an active top secret clearance (TS) to apply and be able to obtain a CI poly AFTER you start
CASP+ CE, CISSP (or Associate), CSSLP, CISSP-ISSAP, CISSP-ISSEP, or CCSP -- must have one of these

Seeking a Senior Information System Security Engineer to provide support for the FBI. Information System Security Engineer (ISSE) activities shall include at a minimum:

  • Identify information protection needs for an IS and Network Environment
  • Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements
  • Design security architectures for use within the IS and Network Environment
  • Design and develop cybersecurity-enabled products for use within an IS and Network Environment
  • Integrate and/or implement security with Cross Domain Solutions (CDS) for use within an IS and Network Environment
  • Develop and implement security designs for new or existing network system(s). Ensure that the design of hardware, operating systems, and software applications adequately address cybersecurity requirements for the IS and Network Environment
  • Design, develop, and implement network security measures that provide confidentiality, integrity, availability, authentication, and non-repudiation
  • Design, develop, and implement specific cybersecurity countermeasures for the IS and Network Environment
  • Develop interface specifications for the IS and Network Environment
  • Develop approaches to mitigate IS and Network Environment vulnerabilities and recommend changes to network or network system components as needed
  • Ensure that network system(s) designs support the incorporation of FBI directed cybersecurity vulnerability solutions

Qualifications:

  • CLEARANCE: Top Secret required; SCI eligibility preferred
  • Familiarity with the use and operation of security tools including Tenable Nessus and/or Security Center, IBM Guardium, HP WeblInspect, Network Mapper (NMAP), and/or similar applications.
  • Hold at least one of the following certifications: One of the following certifications is required to meet the category/level ISSE-2 (DOD 8570) requirement for this position: CASP+ CE, CISSP (or Associate), CSSLP, CISSP-ISSAP, CISSP-ISSEP, or CCSP
  • Bachelor's and advanced degree in Computer Science, Cybersecurity, or other cyber discipline is preferred; plus minimum 8 years' experience, or equivalent education/experience; Doctorate plus 6 years; Master's plus 6 years; Associates plus 10 years; or H.S./GED plus 14 years.


Ayush Sharma Sr. US Technical Recruiter

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