What are the responsibilities and job description for the Information System Security Officer (ISSO) – Level II position at OneZero Solutions?
OneZero Solutions is an employee‑centric cybersecurity and engineering firm supporting federal and defense missions. We value our people and provide competitive benefits, including health coverage, 401(k) match, PTO, paid holidays, referral bonuses, and educational assistance.
Position Title: Information System Security Officer (ISSO) - Level II
Location: Elizabeth City NC (Hybrid - 2-3 days onsite per week)
Clearance: Secret Clearance
Position Overview
The ISSO Level II provides mid‑level cybersecurity support for USCG avionics systems, aviation software, and maintenance test platforms. This role helps achieve and sustain ATO compliance through DoD and NIST cybersecurity frameworks and aviation‑specific standards.
Key Responsibilities
- Execute the NIST RMF A&A lifecycle for aviation-related systems
- Conduct vulnerability assessments and direct remediation
- Implement and validate STIGs and SCAP compliance results
- Support continuous monitoring, configuration management, and audits
- Assist in evaluating avionics updates, patches, and maintenance tools
- Collaborate with engineering, maintenance personnel, OEMs, and leadership stakeholders
Required Qualifications
- 3 years of ISSO or cybersecurity experience in DoD/Federal environments
- Working knowledge of the NIST RMF and related standards, DoD security policies and standards (DoD 8510.01, DoD 8500, STIG etc.), and the DoD Security Assessment and Authorization process.
- Demonstrated proficiency in the use of security tools such as eMASS, Tenable Nessus, ACAS, etc.
- Experience with ACAS/Tenable, HBSS/ESS, and STIG/SCAP tools
- Ability to develop and update cybersecurity documentation and artifacts
- Experience with aircraft support systems, OT, or maintenance tools preferred
Required Certifications (one or more):
- Security
- CGRC (CAP)
- CASP / SecurityX
- CCISO
- CCSP
- Cloud
- SSCP
- CSSLP
Education
Bachelor's degree in Cybersecurity, Computer Science, or related field preferred
OneZero Solutions, LLC is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.
To request an accommodation, please contact us at recruiting@onezerollc.com or call (202) 987-2580.