Demo

Senior Information System Security Officer (ISSO)

cyberdefensetechnologies
Chantilly, VA Full Time
POSTED ON 9/7/2026
AVAILABLE BEFORE 10/6/2026
Overview: CDT is looking to add a Senior or SME Information Systems Security Officer III to provide advice and assistance to secure configuration and operations to the customer’s IT assets. Level 3 ISSOs apply extensive knowledge and experience of a variety of information system security concepts, practices, and procedures. This will be onsite in Chantilly, VA.

ClearanceAn active Top Secret/SCI clearance with CI Poly is required. Candidates who do not meet these clearance requirements will not be considered.

Qualifications:
  • Master’s Degree and 5 years work experience, Bachelor’s Degree and 8 years of work experience or equivalent; Associates Degree and 12 years of work experience or equivalent
Desired Qualifications:
  • Expertise with configuration management; system maintenance; and integration testing.
  • Ability to troubleshoot technical configurations and make recommendations on the protection of classified and sensitive data.
  • Expert in the use of tools used to prevent and or negate malicious code.
  • Expert in detecting and preventing computer security compromises in a networked environment.
  • Expertise in forensics chain of custody and evidentiary preservation.
  • Demonstrated proficiency in successfully guiding complex information systems through assessment and authorization control gates.
  • Analytical abilities to decipher complex technical configuration management documents.
  • Proficient in maintaining databases.
  • Thorough working knowledge of all applicable NRO, IC, DoD policies, procedures and operating instructions related to Information Technology, Information Assurance, Information Management (IT/IA/IM).
  • Demonstrated ability to work independent of close supervision.
  • Expert ability to establish and maintain effective internal and external working relationships with government and contractor program managers, security professionals, and mission partners.
  • Ability to effectively provide ISSO guidance to Level 1 and Level 2 ISSOs.
CDT is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.
Salary: $120,000 - $150,000 

Salary : $120,000 - $150,000

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