Senior Enterprise Architect

Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit the website and follow us on LinkedIn.

Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs. Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation.

Great Hill is seeking a Senior Enterprise Architect in the Patuxent River, MD, area. The Enterprise Systems Architect will provide senior-level architecture and technical leadership in support of the Naval Air Systems Command (NavAir), specifically within the Digital Analytics, Infrastructure and Technology Advancement (DAiTA) Group and the Naval Leveraging Innovation, Frameworks, and Technology (LIFT) initiative. The incumbent will be responsible for the design, governance, and integration of enterprise architecture solutions that align with the strategic objectives of the Naval LIFT program. This position requires close collaboration with senior Naval LIFT leadership, technical stakeholders, and program management to develop innovative, scalable, and secure enterprise solutions that enhance operational effectiveness and directly support the warfighter.

Position Overview

The Enterprise Systems Architect will provide senior-level architecture and technical leadership in support of the Naval Air Systems Command (NavAir), specifically within the Digital Analytics, Infrastructure and Technology Advancement (DAiTA) Group and the Naval Leveraging Innovation, Frameworks, and Technology (LIFT) initiative. The incumbent will be responsible for the design, governance, and integration of enterprise architecture solutions that align with the strategic objectives of the Naval LIFT program. This position requires close collaboration with senior Naval LIFT leadership, technical stakeholders, and program management to develop innovative, scalable, and secure enterprise solutions that enhance operational effectiveness and directly support the warfighter.

Roles and Responsibilities

• Lead enterprise architecture planning and implementation to ensure strategic alignment between Navy LIFT’s business goals, technology roadmap, and mission requirements.
• Evaluate existing systems, identify modernization and interoperability opportunities, and define technical strategies that improve system performance and lifecycle efficiency.
• Develop and maintain enterprise architecture standards, frameworks, and policies to guide solution design and technology adoption across the program.
• Provide expert technical consultation and independent recommendations to senior Navy leadership regarding technology investments, integration, and risk management.
• Conduct research, technology assessments, and test and evaluation (T&E) of emerging solutions to identify innovative capabilities applicable to Navy LIFT and Naval IME operations.
• Support Model-Based Systems Engineering (MBSE), portfolio management, and enterprise integration efforts to ensure end-to-end architectural consistency and mission alignment.
• Mentor and provide technical oversight to junior engineers and analysts, fostering knowledge transfer and professional development.
• Develop detailed technical documentation, white papers, and executive briefings that effectively communicate architectural concepts and strategic impacts.

Basic Qualifications

• Master’s degree in Computer Science, Engineering, or a related technical discipline, and a minimum of 15 years of relevant professional experience.
• Active DoD Secret security clearance or higher.
• Proven experience architecting, implementing, and governing large-scale enterprise systems within complex or classified environments.
• Broad technical expertise encompassing cloud computing, networking, cybersecurity (including Zero Trust architectures), automation, data management, and Agile/SAFe delivery frameworks.
• Proficiency in DevSecOps automation, CI/CD pipeline integration, and Infrastructure as Code (IaC) methodologies.
• Current certifications including ITIL 4 Foundation, Security+, Agile Certified Practitioner, and one or more Cloud Fundamentals certifications (Azure, AWS, or Google).
• Experience engaging with senior government officials on a daily basis.

Preferred Qualifications

• Experience supporting the Department of the Navy or other Department of Defense programs in an enterprise architecture or systems engineering capacity.
• Working knowledge of DoDAF, MBSE tools (e.g., Cameo, MagicDraw), and enterprise architecture modeling techniques.
• Familiarity with advanced technologies such as artificial intelligence (AI), machine learning (ML), automation frameworks, and digital engineering environments.
• Demonstrated success in leading cross-functional technical teams and advising senior government leadership on complex system modernization initiatives.
• Advanced certifications such as AWS Solutions Architect, Azure Solutions Architect Expert, or Certified Information Systems Security Professional (CISSP).