Cloud Infrastructure Architect

**Overview:** The Cloud Infrastructure Architect provides enterprise-level architecture, design, and technology-strategy leadership to evolve the Homeland Security Enterprise Network (HSEN) and HQ LAN-A toward a scalable, interoperable, zero-trust framework. The role shapes a three-year technology roadmap, conducts proof-of-concepts, and ensures all solutions meet DHS enterprise architecture standards, security accreditation (FISMA/NIST 800-53), and 99.95% availability objectives. **Responsibilities:** • Develop and maintain a cloud infrastructure with a focus on network security that supports the organization's technology and business needs • Architect scalable, secure, and highly available cloud solutions, ensuring optimal performance and cost-efficiency in cloud environments such as AWS, Azure, and Google Cloud • Collaborate with other IT teams, stakeholders, and third-party vendors to deliver cloud-based infrastructure and services that align with organizational goals • Design and develop HSEN/LAN-A reference architectures covering WAN/MPLS/SD-WAN, campus LAN, wireless, TACACS/ISE, firewalls, and cloud on-ramps • Model traffic, capacity, and failover scenarios; conduct gap analysis • Lead evaluations of emerging technologies and vendor offerings; perform COTS/OSS trade studies • Deliver executive briefings and a rolling three-year technology roadmap aligned with DHS mission and budget cycles • Embed zero-trust, micro-segmentation, and IPv6 compliance into all designs • Support ATO renewals by providing architecture artifacts and POA&M responses • Develop test plans, oversee lab validation, and provide Tier-4 escalation during deployment • Generate transition documentation for NOSC operations teams and deliver knowledge-transfer workshops • *Qualifications:** • Master's degree in Computer Science, Electrical Engineering, or related discipline • 15+ years architecting enterprise WAN/LAN solutions with ≥ 5,500 sites and ≥ 250,000 users • Must have an active CCIE (Routing & Switching / Enterprise Infrastructure / Service Provider) certification • Preferred certifications include: AWS Certified Advanced Networking, Juniper JNCIE, TOGAF, or GIAC-GSEC • U.S. Citizen with ability to obtain DHS Public Trust / Full-Scope BI • 10+ years direct support to DHS-wide networks and hands-on experience with SD-WAN, cloud connectivity, and automation (Ansible/Python) • *Benefits:** • Flexible telework options (up to 50%) • Occasional travel (≤ 10%) to remote DHS facilities • Standard 40-hour week with participation in architecture review boards and after-hours change windows • Competitive compensation package • Comprehensive benefits package, including health, dental, and vision insurance • Opportunities for professional growth and development in a dynamic and innovative organization