Senior Enterprise Infrastructure Architect – Cloud & Modernization

Enterprise Solutions, Inc. is seeking an experienced Infrastructure Architect to support the Fairfax County Department of Information Technology’s Chief Enterprise Architect during major infrastructure transitions and cloud modernization initiatives. This position will lead technical discovery, assess existing systems, and develop comprehensive documentation of the County’s current enterprise architecture across on-premises data centers and hybrid-cloud environments. The architect will work closely with infrastructure, cloud, database, desktop, security, and agency teams to translate complex technical and business needs into clear architecture artifacts and actionable delivery plans. The ideal candidate combines strong infrastructure knowledge with excellent communication, workshop facilitation, and technical documentation skills. Key Responsibilities * Serve as the **primary architectural liaison** for major facility move‑outs and large‑scale workload shifts, planning how to address capacity gaps and move enterprise platforms to scalable cloud infrastructure. * Work with infrastructure and database teams to: * Evaluate storage capability gaps. * Oversee hardware and software lifecycle strategies. * Run archive and retention proof‑of‑concepts (POCs) to reduce cost and risk. * Partner with desktop engineering to define: * Modern endpoint management capabilities. * Security baselines for devices and workspaces. * Strategies for “modern workplace” provisioning (on‑prem, hybrid, and cloud). * Align cross‑functional requirements for **critical communication systems**, including: * Messaging platform upgrades. * Contact center capabilities. * Unified paging and alerting architectures. * Establish and evolve **cloud governance models**, including: * Landing zone and account/subscription structures. * Infrastructure‑as‑Code (IaC) standards and patterns. * Preparation of materials and options for Architecture Review Board (ARB) discussions. * Facilitate workshops with agencies and technical teams to surface requirements, constraints, and opportunities, and translate them into practical roadmaps. Required Qualifications * Demonstrated experience in enterprise architecture, infrastructure architecture, or systems architecture within a complex enterprise environment. * Strong understanding of on-premises data centers, hybrid-cloud environments, enterprise storage, networking, and system dependencies. * Experience conducting technical discovery, infrastructure assessments, and current-state architecture documentation. * Ability to produce clear architecture diagrams, dependency maps, service catalogs, and technical assessment reports. * Experience evaluating enterprise monitoring, logging, or observability capabilities. * Knowledge of data archiving and retention concepts and experience evaluating technical solutions through proofs of concept. * Strong workshop facilitation, analytical, organizational, and technical writing skills. * Ability to communicate effectively with engineers, business stakeholders, and senior leaders. * Proven ability to collaborate across teams, build consensus, and manage changing priorities. Preferred Qualifications * Experience supporting local government or other public-sector organizations. * Experience supporting large-scale infrastructure transitions or cloud modernization programs. * Experience assessing enterprise storage and data lifecycle management solutions. * Relevant enterprise architecture, cloud, infrastructure, or IT service management certifications. How to Apply Submit your resume highlighting experience with enterprise infrastructure assessments, hybrid-cloud architecture, stakeholder workshops, and architecture documentation. Pay: $160,000.00 - $185,000.00 per year Benefits: * 401(k) * 401(k) matching * Dental insurance * Employee assistance program * Flexible schedule * Flexible spending account * Health insurance * Health savings account * Life insurance * Paid time off * Parental leave * Professional development assistance * Referral program * Retirement plan * Tuition reimbursement * Vision insurance Work Location: In person