Information System Security Officer; ISSO – Level III; Senior Security Clearance

Position: Information System Security Officer (ISSO) – Level III (Senior) with Security Clearance
Location:

Elizabeth City, NC (Hybrid – 2–3 days onsite per week)
Clearance Requirement:
Active DoD Secret or ability to obtain Company Overview:
One Zero 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 Overview:

The ISSO Level III serves as a senior cybersecurity SME supporting USCG avionics systems, mission electronics, test equipment, and aviation maintenance platforms. This role provides critical senior level cybersecurity expertise and knowledge to projects and tasks related to execution of USCG avionics engineering mission area. Some positions will also provide strategic cybersecurity leadership, and supervision of junior ISSOs and teams

Key Responsibilities:

- Lead and perform DOD RMF A&A lifecycle for multiple aviation systems
- Serve as senior cybersecurity advisor to government and engineering leadership
- Plan, execute, and manage cybersecurity Security Assessment and Authorization
- Supervise and mentor Level I/II ISSOs; assign tasks and review deliverables
- Participate in STIG implementation, vulnerability remediation, and compliance validation efforts
- Oversee and perform ISCM activities, audit preparation, and continuous monitoring improvements
- Support evaluations of avionics software, firmware, and maintenance systems

Required Qualifications:

- 7+ years of cybersecurity engineering and RMF A&A experience
- Expert knowledge of DoD RMF, and related standards and policies
- Proven experience leading and performing cybersecurity Assessment and Authorization projects through ATO achievement.

- Strong background in in the use of cybersecurity tools including eMASS, NESSUS, ACAS, HBSS/ESS etc.

- Experience with aviation systems, avionics, or OT environments preferred
- Strong communication and leadership skills Required Certifications (one or more):
- CISSP
- CISM
- CISSP-ISSMP
- GSLC

Education:

- Bachelor’s degree or higher in Cybersecurity, Engineering, or related technical field preferred