Information System Security Officer (ISSO)

Tetrad Digital Integrity LLC
Alexandria, VA
Tetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm with a mission to safeguard and protect our customers from increasing threats and vulnerabilities in this digital age.

TDI is looking for an ISSO who will manage the day-to-day operations and effectiveness of security-related programs and initiatives.

RESPONSIBILITIES:
  • Assess the costs associated with potential threats and solutions required to eliminate or minimize threats.
  • Apply advanced consulting skills and/or extensive technical expertise; full industry knowledge.
  • Develop innovative solutions to complex problems.
  • Work with minimal direction; mentor and may supervise team members.
QUALIFICATIONS:
  • Bachelor’s degree and 5+ years directly related experience or Master’s degree and 3+ years directly related experience. Years of experience may be accepted in lieu of degree for certain roles. Certifications may be accepted in lieu of a degree for certain technical roles.
  • Active TS/SCI with CI Poly
  • 5+ years of experience implementing risk management methodologies contained in best practice documentation such as NIST SP 800-30, SP 800-53, SP 800-128, SP 800-160, SP 800-171, or CIS benchmarks, in support of system security configurations, practices, and oversight
  • 3+ years of experience providing cybersecurity leadership in an ISSO capacity, interfacing with internal and external SMEs such as PMs, Cyber Assessors, and AOs
  • Experience with control implementations associated with RMF, FedRAMP, ICD 503, and DoD Information Levels, including applying them to the design and implementation of IT solutions to achieve system authorizations
  • Experience implementing and maintaining security controls within AWS cloud, containerized, CI/CD pipeline, and Agile development environments
  • Experience developing and reviewing ATO authorization packages in Xacta or eMASS
  • Experience analyzing compliance and vulnerability scan results and implementing appropriate mitigations
  • Experience performing audit log reviews to detect anomalous behavior in information systems and networks and overseeing continuous monitoring activities
  • CGRC/CAP, CASP+, CCSP, Cloud+, SSCP, Security+, or GSEC certification
PREFERRED QUALIFICATIONS:
  • Experience with DoD security technical implementation guides (STIGs), checklists, and testing tools, including STIG Viewer, SCAP, and ACAS scanning tools
  • Experience with cyber related tools such as Ansible, Terraform, Splunk, or STIG Viewer
  • Ability to work through challenging security requirements to maintain compliance
  • Possession of excellent written, organizational, presentation, and verbal communication skills
  • Bachelor’s degree in IT, Cybersecurity, Data Science, Information Systems, or CS
  • DoD 8570 IAT III or IAM III level Certification such as CISSP Certification
  • AWS Solutions Architect or Certified Security - Specialty Certification

TDI does business with the federal government, which restricts employment to individuals who are either US citizens or lawful permanent residents of the United States.

“TDI is an Equal Opportunity Employer. Employment decisions are made based on individual qualifications, merit, and business needs. We do not discriminate in employment opportunities or practices based on race, color, religion, sex, or national origin, in accordance with applicable federal laws.”

Posted 2025-07-24

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