RSSi / OneZero Solutions · 1 month ago
Information System Security Officer (ISSO) – Level III (Senior)
NC,US
Full-time
Hybrid
Senior Level
7+ years expOneZero Solutions is an employee‑centric cybersecurity and engineering firm supporting federal and defense missions. The ISSO Level III serves as a senior cybersecurity SME supporting USCG avionics systems and provides critical cybersecurity expertise to projects related to the USCG avionics engineering mission area.
AnalyticsManagement ConsultingProfessional Services
No H1B
Security Clearance Required
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
Qualification
Required
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
Strong communication and leadership skills
CISSP
CISM
CISSP-ISSMP
GSLC
Preferred
Experience with aviation systems, avionics, or OT environments preferred
Bachelor's degree or higher in Cybersecurity, Engineering, or related technical field preferred
Benefits
Health coverage
401(k) match
PTO
Paid holidays
Referral bonuses
Educational assistance
Company
RSSi / OneZero Solutions
In October 2021, OneZero Solutions, LCC (OneZero), a leading federal cybersecurity and IT solutions provider, announced its acquisition of Right-Sized Solutions Inc.
51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase