Information System Security Officer (ISSO) – Level III (Senior)

OneZero Solutions • Sedalia, NC

15d • Hybrid

About The Position

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

Requirements

• 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

Nice To Haves

• Experience with aviation systems, avionics, or OT environments preferred

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

Benefits

• health coverage
• 401(k) match
• PTO
• paid holidays
• referral bonuses
• educational assistance

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level