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Information System Security Specialist (ISSO) - CISSP Required

Fairfax, VA

Overview:
DSAI is seeking a Senior Information System Security Officer (ISSO) with a Public Trust clearance to join our team. The ideal candidate will report directly to the Project Manager and demonstrate strong leadership skills, with the ability to lead teams, tasks, and projects.

The ISSO will play a critical role in supporting the development and maturation of security compliance requirements for cloud systems within a large civilian Federal agency. This role requires strong technical expertise, data analysis skills, and in-depth knowledge of the Risk Management Framework (RMF) and associated information security policies and procedures, including applying, selecting, and testing NIST security controls.

Primary Responsibilities:

  • Evaluate system, network, or infrastructure security controls against requirements such as FISMA, FIPS, and NIST guidelines.

  • Serve as a subject matter expert (SME) in information security policies, procedures, and Risk Management Framework (RMF) compliance.

  • Support the development and implementation of cloud system security compliance measures.

  • Lead and coordinate security-related tasks and projects, ensuring adherence to best practices.

  • Communicate complex technical issues effectively to senior stakeholders and non-technical staff.

Required Qualifications:

  • U.S. Citizenship.

  • Bachelor’s degree in Computer Science, Information Systems, Engineering, Business, or a related scientific/technical discipline OR four (4) additional years of IA/Information Security experience in lieu of a degree.

  • ISC2 CISSP or equivalent advanced security certification.

  • Minimum of seven (7) years of specialized information security experience, including applying, analyzing, and assessing information systems and security controls (NIST SP800-53, Revisions 4 & 5).

  • Minimum of three (3) years of experience working independently.

  • Strong written and oral communication skills, with the ability to convey complex technical information to diverse audiences.

  • Knowledge of integrating security lifecycle processes into the system development lifecycle (SDLC).

  • Experience with FISMA requirements and NIST guidelines.

  • Ability to prioritize and manage competing tasks in a time-sensitive environment.

  • Strong interpersonal skills and the ability to work collaboratively.

  • Demonstrated problem-solving skills using systematic and best-practice approaches.

Preferred Tool Experience:

  • Tenable Nessus

  • Security Content Automation Protocol (SCAP)

  • CSAM

  • CDM Dashboard

 

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Many of DSA's positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. DSA is proud to be an Equal Opportunity Employer. DSA is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status. DSA requires background checks , where permitted , by law. DSA is an E-Verify Employer.



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