Information System Security Officer (ISSO)

Computer World Services

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Ashburn, VA hybrid Until 8/22/2026 First posted March 18, 2026 Last posted March 18, 2026
Job description
CWS seeks an Information System Security Officer (ISSO) to ensure information systems compliance for the U.S. Customs and Border Protection’s (CBP) Network Operations Center (NOC) contract. The Information System Security Officer (ISSO) ensures information systems compliance with CBP, DHS, and FISMA requirements for all NOC/WNOC environments.

Duties & Responsibilities

  • Maintain system authorization packages and manage POA&Ms.
  • Conduct vulnerability scanning and review Nessus findings.
  • Support RMF activities and DHS 4300A compliance.
  • Coordinate with the ISSM and security teams for incident response.
  • Prepare FISMA, ISVM, and audit documentation.

Required Qualifications

  • 5–10 years of experience in information assurance or cybersecurity.
  • Knowledge of NIST SP 800-53 and DHS 4300A.
  • Security+ or CISSP certification.

Preferred Qualifications

  • Bachelor’s in Cybersecurity, IT, or related field.
  • CBP/DHS ISSO experience.

Place of Performance

  • Springfield and Ashburn, VA (with possible travel to Orlando, FL, and other CBP facilities).

Clearance

  • Must have favorably passed a full five (5) year background investigation (BI) required by CBP policies and procedures for employment prior to beginning work with CBP.
Computer World Services is an affirmative action and equal employment opportunity employer. Current employees and/or qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, disability, protected veteran status, genetic information or any other characteristic protected by local, state, or federal laws, rules, or regulations.
Computer World Services is committed to the full inclusion of all qualified individuals. As part of this commitment, Computer World Services will ensure that individuals with disabilities (IWD) are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources at [email protected]

About this role

Summary

Ensure system compliance, conduct vulnerability scans, support RMF activities, prepare audit documentation.

Job title

Information System Security Officer (ISSO)

Experience level

5-10 years

Industry

government

Location requirements

Ashburn, VA; remote possible with travel

Salary

Not specified

Management role

No

Skills & keywords

Required skills

NIST SP 800-53DHS 4300ASecurity+CISSP

Preferred skills

cybersecurityDHS ISSO experience

Specializations

complianceFISMARMFvulnerability scanningsecurity certifications
Locations

Structured locations inferred from the posting.

Ashburn, VA, USA

Hybrid City