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Senior Systems Architect-Enterprise Architecture

Tyto Athene is searching for a Senior Systems Architect-Enterprise Architecture to support U.S. Southern Command on the SCITES II Contract in Doral, Florida. Responsibilities include: Lead enterprise architecture initiatives

across multiple programs and mission areas. Develop and maintain

comprehensive enterprise architecture strategies and roadmaps. Establish architectural governance frameworks , standards, and best practices. Mentor junior architects

and provide technical leadership to cross-functional teams. Drive architectural decision-making

at the enterprise level. Lead implementation

of DoD Architecture Framework (DoDAF) 2.02 and Unified Architecture Framework (UAF). Support DoD Digital Modernization Strategy

and Joint All-Domain Command and Control (JADC2) initiatives. Implement Model-Based Systems Engineering (MBSE)

practices across enterprise systems. Design and architect systems

supporting 24/7/365 mission operations. Develop architectures for classified and unclassified environments . Ensure system resilience , fault tolerance, and disaster recovery capabilities. Design zero-trust architecture implementations

for enhanced security. Support Risk Management Framework (RMF) and Authority to Operate (ATO) processes . Facilitate enterprise architecture working groups

and technical forums. Communicate complex technical concepts

to diverse audiences. Support contract and acquisition activities

with architectural expertise. Qualifications: Required: Bachelor's degree in Computer Science, Systems Engineering, Information Technology, or related technical field. 12+ years of professional experience in systems architecture or enterprise architecture. 8+ years experience working directly with DoD systems, frameworks, and methodologies. 5+ years experience in senior or lead architect roles. 3+ years experience with classified systems and cross-domain solutions. IAT Level III and IAM Level III certifications. AWS Certified Solutions Architect Professional or Microsoft Azure Solutions Architect Expert. Desired: Expert-level proficiency in DoD Architecture Framework (DoDAF) and Unified Architecture Framework (UAF). Advanced knowledge of enterprise architecture frameworks (TOGAF, Zachman, FEA). Extensive experience with architectural modeling tools (Sparx Enterprise Architect, IBM System Architect, MagicDraw). Deep understanding of systems integration, SOA, and microservices architectures. Experience with digital twin and cyber-physical system architectures. Advanced experience with cloud architectures (AWS GovCloud, Azure Government, hybrid clouds). CISSP, ISSAP, ISSEP, CEH, CISM. TOGAF 9/10 Enterprise Practioner. Clearance:

Top Secret clearance required with the ability to obtain a TS/SCI. Certification:

DoD 8570 Baseline & CE certifications are required for all positions and may vary slightly depending on the skillset required to perform the role. CompTIA Security+ CE. Location:

Doral, Florida. About Tyto Athene: Compensation is unique to each candidate and relative to the skills and experience they bring to the position. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range. Highlights of our benefits include Health/Dental/Vision, 401(k) match, Flexible Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and maternity/paternity leave. Tyto Athene is a trusted leader in IT services and solutions, delivering mission-focused digital transformation that drives measurable success. Our expertise spans four core technology domainsNetwork Modernization, Hybrid Cloud, Cybersecurity, and Enterprise ITempowering our clients with cutting-edge solutions tailored to their evolving needs. With over 50 years of experience, Tyto Athene proudly supports Defense, Intelligence, Space, National Security, Civilian, Health, and Public Safety clients across the United States and worldwide. At Tyto Athene, we believe that success starts with our people. We foster a collaborative, innovative, and mission-driven environment where every team member plays a critical role in shaping the future of technology. Are you ready to join #TeamTyto? Tyto Athene, LLC is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, status as a protected veteran, or any characteristic protected by applicable law.