Information System Security Officer (ISSO)

Start Date: Immediate JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform named Aether Aerospace focused on delivering high-impact technologies, technology-enabled services and advanced manufacturing solutions to the U.S. Department of Defense and related national security customers. Backed by Falfurrias Management Partners, the platform brings together deep domain expertise across Army, Navy, and Air Force and Space Force programs, digital engineering, systems integration, and specialized manufacturing capabilities. The combined organization operates as a multi-entity aerospace and defense technology and tech-enabled services and manufacturing enterprise positioned for scalable growth, operational excellence, and long-term value creation OVERVIEW Full-time/Permanent Employee Location: Remote, preferred Boston, MA or Dayton, OH As Chief Architect, you will provide technical leadership across complex U.S. Air Force programs, guiding the integration of systems engineering, software delivery, cloud platforms, and digital engineering capabilities. You will establish the architectural vision, principles, standards, and technical roadmaps needed to connect mission needs with executable program solutions. Working across Government, contractor, and mission-partner organizations, you will shape architectures that support capability development from concept and requirements through design, integration, test, deployment, sustainment, and modernization. You will promote disciplined systems engineering, model-based approaches, modular open systems, secure software factories, and reusable digital infrastructure while balancing mission effectiveness, affordability, schedule, cybersecurity, interoperability, and technical risk. You will serve as a senior technical authority, align diverse engineering teams, resolve cross-domain architectural issues, and communicate complex technical decisions to program leadership, customers, and stakeholders. RESPONSIBILTIES Perform certification and accreditation of computer networks and standalone systems following government security standards Develop, maintain, and implement System Security Plans that align with customer contractual and regulatory requirements Oversee and manage daily security operations for classified and unclassified information systems Conduct vulnerability testing and security assessments to verify compliance with security controls and government standards Work closely with program managers and system security engineers throughout the system lifecycle to support security objectives Implement security measures in accordance with ICDs, NISPOM, and other government security regulations Provide security briefings and training to employees, stakeholders, and government officials regarding system security access Manage security compliance processes, ensuring all classified system components, environments, and locations adhere to government standards Assist the Information System Security Manager in reporting and mitigating security incidents and implementing corrective measures Implement procedures for marking, handling, controlling, transporting, sanitizing, reusing, and destroying classified media and equipment Maintain proficiency with security assessment tools such as WASSP, MBSA, and Nessus to strengthen security posture Develop and implement facility procedures that govern system security and ensure compliance with policies and best practices Provide technical support to operational strategies aligned within your program and initiatives that optimize processes, enhance productivity, and ensure quality across all program functions Ensure 100% of planned hours are worked and recorded Identify and forward to your leadership any opportunities that could lead to growth within your work area Participate in growth efforts as requested Ensure all contractual deliverables are met/exceeded to the customer's satisfaction Complete personal PDP and attend Company Meetings (with camera on) Within your program, build productive and positive professional relationships with clients Execute all contract requirements as assigned in accordance with the contract-specific LCAT and requirements Perform other related duties as assigned KEY QUALIFICATIONS Clearance: Active TS/SCI clearance Education and Years of Experience: Bachelor's (or equivalent) with 5 - 7 years of experience, or a Master's and 3 to 5 years of experience Strong knowledge of government security policies and standards, including NISPOM and ICDs Experience conducting security vulnerability assessments and implementing security controls Proficiency with security assessment tools such as Nessus, MBSA, and WASSP Ability to develop, implement, and manage System Security Plans and compliance documentation Strong background in the certification and accreditation process for classified and unclassified information systems PREFERRED ADDITIONAL QUALIFICATIONS CISSP or DoD 8570-1 certification (or actively working towards certification) Experience supporting classified information systems security programs Strong understanding of security risk management and mitigation techniques Knowledge of cybersecurity frameworks and incident response best practices Proficiency in security compliance reporting and documentation best practices Aether Aerospace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.