Job Description

We are seeking a Senior Information Systems Security Manager (ISSM) with extensive hands-on experience driving cybersecurity compliance within a defense contractor environment. This on-site position, based in Dayton, Ohio, requires a highly skilled professional with a minimum of 10 years of real world ISSM experience leading classified network security initiatives, ensuring compliance with Risk Management Framework (RMF), NIST 800-53, DFARS 252.204-7012, and 32 CFR Part 117 (NISPOM).

The role includes 20% travel to our Florida site for mentorship and support of related security projects. This is a top-level security leadership role, responsible for building and leading a security team, including hiring ISSOs and mentoring System Administrators to ensure cybersecurity best practices across classified environments.

Essential Functions:

• Lead and manage the security posture of classified SIPR networks, ensuring compliance with DoD security policies and CMMC requirements.
• Develop, implement, and maintain security policies, procedures, and documentation to protect classified systems.
• Own and manage system accreditation packages with hands-on experience using eMASS and Xacta, ensuring Authority to Operate (ATO) maintenance.
• Conduct regular security audits, vulnerability assessments, and risk analyses, proactively mitigating threats to classified systems.
• Oversee and drive incident response procedures for classified environments, ensuring timely reporting and mitigation of security incidents.
• Administer and optimize security tools and technologies, including HBSS, ACAS, and SIEM solutions.
• Collaborate with government security agencies, internal teams, and executive leadership to ensure compliance and address security concerns.
• Hire, mentor, and manage Information Systems Security Officers (ISSOs) while also guiding System Administrators on cybersecurity best practices.
• Ensure compliance with DoD 8570/8140 certification requirements and maintain appropriate cybersecurity credentials.
• Support and lead security inspections, audits, and self-assessments to uphold regulatory standards.
• Perform other duties as required.

Standard Essential Functions:

• Regular and reliable attendance on a full time basis [or in accordance with posted schedule].
• Responsible for exhibiting professional behavior with both internal and external business associates that reflects positively on the company and is consistent with the company's policies and practices.
• Embodies AEVEX’s cultural values and aligns daily actions with department goals and company culture.

Qualifications and Competencies:

• Expert knowledge of RMF, NIST 800-53, DFARS 252.204-7012, CMMC, and 32 CFR Part 117 (NISPOM).
• Proven experience managing system accreditations with eMASS and Xacta.
• Strong leadership experience in building and managing security teams, including hiring ISSOs and mentoring System Administrators.
• Hands-on experience with HBSS, ACAS, SIEM solutions, and other cybersecurity tools.

Education / Certifications:

• Bachelors Degree in cybersecurity, IT, computer science, or other related field preferred.
• Certifications: CISSP, CISM, or equivalent (Security+ CE alone is not sufficient).

Experience:

• 10+ years of hands-on experience as an ISSM within a defense contractor environment, leading cybersecurity compliance initiatives.

Security Clearance:

• Ability to obtain/maintain a Top Secret/SCI DoD clearance, U.S. Citizenship required.

Physical Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties the employee is: Frequently required to sit, and to reach to use computers and other office equipment. For the purpose of this summary, occasionally is used to represent up to 1/3 of the time given to the workday, frequently represents 1/3 to 2/3 of the time and constantly represents 2/3 or more of the time.

About AEVEX Aerospace

AEVEX Aerospace, headquartered in Solana Beach, California, supports the U.S. national security mission and partner nation needs around the world by providing full-spectrum aviation, remote sensing, and analysis solutions. The company's capabilities include custom design and engineering; rapid prototyping; sensor integration and sustainment; aircraft modification and certification; flight test instrumentation and support; mission operations service; advanced intelligence data processing, exploitation, and dissemination solutions; and tailored hardware and software mission-system tools. AEVEX uses agile and customized approaches to rapidly define, develop, and deliver specialized solutions for airborne special mission needs for the U.S. Government, partner nations, and commercial businesses. AEVEX has major offices in California, Florida, North Carolina, Ohio, and Virginia.

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