Principal Cyber Architect II (Reston)

What Were Looking For :

Iridium is seeking a motivated Principal Cyber Architect II to join our Government-focused Cybersecurity Architecture Team supporting a Space Development Agency (SDA) project. As a Principal Cyber Architect II, youll provide technical leadership and vision for the design, development, and integration of secure cyber architectures across a hybrid space-ground environment. You will ensure mission-critical systems meet stringent cybersecurity, resiliency, and compliance requirements while enabling innovation and operational effectiveness. Youll thrive in this role if you enjoy developing enterprise-level cybersecurity strategies, shaping secure system designs, evaluating risks, and guiding teams through complex technical decisions aligned to mission needs.

This position requires an active / current Top Secret Security Clearance (A U.S. Security Clearance that has been active in the past 24 months is considered active).

What Youll Do :

• Validate, design, and evolve secure cyber architectures for classified and unclassified systems supporting space-ground operations
• Define, document, and communicate cybersecurity architecture roadmaps and implementation strategies
• Lead design reviews and technical discussions on security architecture, cross-domain solutions, zero trust, encryption, and defensive cyber operations
• Collaborate with engineering, network, and operations stakeholders to ensure cyber protections are fully integrated and aligned with mission priorities
• Identify, assess, and mitigate cybersecurity risks across complex system interdependencies
• Drive modernization efforts by integrating automation, orchestration, and cyber analytics capabilities
• Stay current on emerging cyber technologies, frameworks, and adversary tactics, and evaluate their applicability to mission requirements

What Youll Need to Succeed :

Things That Would be Great if You Brought to the Table :

Well also need you to :

Work Environment :

This position primarily works in an office setting and is largely sedentary with the majority of the position working with a computer. The role typically requires the use of basic office equipment such as a phone, video, computer, keyboard, mouse, and printer.

Iridium is an Equal Opportunity Employer, including individuals with disabilities and protected veterans.