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Senior Information System Security Engineer with Security Clearance

Open Systems Technologies CorporationHuntsville, AL🇺🇸United StatesPosted Sep 17, 2026

Why This Role Stands Out

This hybrid role offers a fantastic opportunity to leverage your Top Secret clearance and security expertise to protect critical systems for the FBI, fostering significant career growth. If you excel in designing and implementing robust security architectures and thrive in a collaborative environment, this position is perfect for you to make a real impact.

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Huntsville, AL, United States
Posted
22 hours ago

Job Description

Senior Information System Security Engineer Open Systems Technologies Corporation -
Huntsville, AL, United States Tagged: 
ISSE,
Cyber Security Open Systems Technologies Corporation is 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.
  • Must hold at least one of the following DoD 8140 compliant certifications: CCISO, CISA, CISM, CISSP, CISSP-ISSEP, CySA+, GSLC, GSNA, CCNP Enterprise, CISSP-ISSAP, CISSP-ISSEP, GCIA, GDSA, or GICSP.
  • 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.
          BENEFITS
  • Our company OST has been operating since 1996 and have various contracts with Government agencies. We offer a comprehensive benefit package that includes 3 weeks paid time off, 2 weeks Holiday pay, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end of year profit sharing paid out in 401k. Job # 539

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