Enterprise Architect

Leesburg, VA
Full Time
IT
Experienced
We are seeking a results-driven, visionary, and highly experienced Enterprise Architect (EA) to serve in a full-time contract capacity, supporting Loudoun County's Department of Information Technology (DIT). This critical role will provide strategic leadership and architectural oversight to ensure that Loudoun County’s technology portfolio is not only modern and secure but also cohesive, forward-looking, and fully aligned with the County’s long-term operational and service delivery goals.
The Enterprise Architect will play a pivotal role in guiding enterprise-wide IT decisions that support digital transformation, reduce technical debt, promote interoperability, and improve overall IT governance. The ideal candidate will serve as a trusted advisor to senior leadership, ensuring that architecture decisions align with both the County’s mission and evolving technology trends, such as cloud adoption, AI integration, platform modernization, and cybersecurity resilience.
Reporting directly to the Chief Information Officer (CIO), the Enterprise Architect will lead and facilitate LoGIC (Loudoun Governance for IT Change)—a high-impact, enterprise-level IT governance board. LoGIC is responsible for the evaluation, prioritization, and approval of major IT initiatives, system upgrades, and technology acquisitions across the County. This includes ensuring that all IT changes and investments are strategically aligned, secure, cost-effective, and technically sound.
The LoGIC board is a cross-functional, multidisciplinary body with representation from the County’s most critical IT domains, including:
  • Project Management Office (PMO) – driving project intake, timelines, and governance
  • Enterprise Applications and Platforms – managing core business systems and modernization efforts
  • Infrastructure and Hosting – overseeing cloud strategies, servers, and foundational IT systems
  • Networking and Connectivity – ensuring resilient, scalable, and secure communication pathways
  • Cybersecurity and Risk Management – protecting systems, data, and infrastructure from evolving threats
  • Change Management and Organizational Readiness – supporting user adoption, training, and change impacts
The successful candidate will possess a strong understanding of the interdependencies between these domains and have a proven track record of leading architectural and governance efforts that span across multiple technical and operational areas.
Key Responsibilities
  • Chair the LoGIC Board and guide enterprise IT governance and prioritization
Lead the Loudoun Governance for IT Change (LoGIC) board as its chairperson, facilitating structured review and prioritization of IT initiatives and change requests. Establish clear governance criteria and ensure all proposals are evaluated through a strategic, technical, and risk-based lens. Promote transparency, alignment, and cross-departmental collaboration in decision-making, ensuring that all IT initiatives support County objectives and follow architectural standards.
  • Align business objectives with IT investments and architecture decisions
Work closely with departmental leaders, service owners, and executive stakeholders to understand long-term business goals, operational challenges, and future growth areas. Translate these insights into technology architecture plans that enable effective service delivery, data-driven decision-making, and scalable infrastructure. Help ensure that all major IT investments directly support business outcomes and adhere to enterprise architecture principles.
  • Develop and maintain enterprise-level architecture documentation
Create and regularly update a suite of architectural artifacts to provide a clear and accurate view of the County’s current and future IT landscape. This includes business capability maps, system integration diagrams, enterprise data models, technical reference models, and technology standards. Maintain a centralized architecture repository (e.g., LeanIX) to ensure enterprise visibility and facilitate informed decision-making across teams and projects.
  • Guide cross-domain modernization efforts, including cloud migration, platform consolidation, and legacy system retirement
Serve as the architectural lead for major modernization initiatives that span applications, infrastructure, data, and security. Evaluate existing systems and platforms for technical debt, interoperability gaps, and security risks. Define roadmaps for modernization, including strategic cloud adoption, the replacement or consolidation of legacy systems, and the implementation of modular, scalable platforms that support future service evolution.
  • Collaborate with Solution Architects, PMO, infrastructure and application teams, and senior stakeholders to ensure alignment and compliance
Act as a strategic connector across all technology teams and departments. Ensure that project designs, system implementations, and vendor solutions align with enterprise architecture, cybersecurity policies, regulatory requirements, and operational standards. Support the PMO by embedding architecture checkpoints in the project lifecycle and providing input on project scope, timelines, and dependencies.
  • Support technical documentation, mentoring, and stakeholder engagement across departments
Provide architectural guidance and mentoring to junior architects, analysts, and technical staff. Assist in the development of clear, actionable documentation and handoffs that support ongoing project success and operational continuity. Engage regularly with business and technical stakeholders to promote architecture awareness, ensure shared understanding of standards, and foster a culture of innovation, accountability, and strategic alignment.
Required Experience
7+ years in IT with at least 3 years in enterprise or solution architecture roles.
Proven expertise across the following domains:
  • Project Management & Governance (PMO)
  • Enterprise Applications & Integration
  • Infrastructure & Cloud Architecture
  • Network Design & Operations
  • Information Security & Compliance
  • Change Management & Organizational Readiness
Strong knowledge of enterprise architecture frameworks (e.g., TOGAF, FEAF).
Skilled in producing EA artifacts, technical documentation, and executive briefings.
Preferred Qualifications
  • Experience supporting large government or public-sector IT environments.
  • Certifications such as TOGAF, PMP, AWS/Azure Architect, or CISSP.
  • Familiarity with EA platforms like LeanIX, ArchiMate, or equivalent.
  • Understanding of compliance standards such as NIST, HIPAA, and CJIS.
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