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Information System Security Engineer (mid)

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Onsite

Information System Security Engineer (mid)

Open Systems Technologies Corporation

Information System Security Engineer (mid)

Skills

CybersecurityGDPR

3 days ago

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Important information


Contract type:

Permanent

Location:

Washington, DC, USA

Work mode:

Onsite

Published on:

22 October 2026

What they need


Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. Our capabilities include supplying federal government entities and private businesses with software development, scientific and engineering technical assistance, systems integration and enterprise security. Since its founding in 1996, OST has been committed to delivering high-quality, best-in class results that bring added value to our clients, while investing in our employees’ futures by providing exciting projects to work on, and robust benefits to include technical training and certifications, relocation assistance and a 401K match with immediate vesting.

Open Systems Technologies Corporation is looking for an 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. Must be able to sit for CI Poly.
  • Bachelor’s and advanced degree in Computer Science, Cybersecurity, or other cyber discipline is preferred; plus minimum 5 years’ experience, or equivalent education/experience; Doctorate plus 3 years; Master’s plus 4 years; Associates plus 7 years; or H.S./GED plus 10 years.
  • Familiarity with the use and operation of security tools including Tenable Nessus and/or Security Center, IBM Guardium, HP Weblnspect, 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

Benefits OST is an Equal Opportunity Employer and has been operating since 1996 providing support on various contracts with Government agencies. We offer a comprehensive benefits package that includes 3 weeks paid time off, 11 Federal Holidays, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end-of-year profit sharing.

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