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.
Location: Hanscom AFB. MA
As a Cyber Security Architect/Engineer IV, you will monitor, analyze, and detect cyber events while supporting cyber defense initiatives and maintaining security toolsets for continuous monitoring and compliance with industry and DoD Information Assurance (IA) standards. You will assess cyber risk, determine security requirements, conduct vulnerability analyses, and perform risk assessments. Responsibilities include implementing intrusion detection methodologies, overseeing software and hardware installations, and developing preventive and reactive security measures. You will verify security systems through testing, compliance monitoring, and incident response while designing and integrating secure DoD IA architectures. As an emerging authority, you will develop and implement cybersecurity solutions, exercise considerable latitude in determining approaches to complex security challenges, and collaborate with key stakeholders to drive security initiatives, compliance efforts, and risk management strategies.
Clearance: Active Secret Clearance
Education and Years of Experience: Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering, or a related technical field with 6+ years of relevant systems engineering experience or a Masters Degree with 6+ years of experience.
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.

As the quintessence, the fifth element, “Aether” has long been understood as the ancient realm where magic and innovation converge, binding together the forces that shape our world. Aether Aerospace brings that same unifying spirit to Warfighter technology, connecting lean and agile principles with mission-focused people to deliver solutions that strengthen the Warfighter’s advantage across air, land, sea, and space.
At Aether, we harness what others cannot see, transforming complexity into clarity for all services of the Department of War, NASA, and commercial partners. Our work encompasses digital engineering, development of Digital Engineering Ecosystems, open architecture solutions, modeling and simulation, advanced prototyping, and modernization focused on critical aviation and unmanned systems.
• Digital Engineering Ecosystems and Digital Thread
• Prototyping & Manufacturing
• Systems Security & Program Protection
• Data Science, Engineering, & Analytics
• Mission Engineering, Operational Analysis, and Experimentation