Senior multi-cloud infrastructure & security architect

Dice is the leading career destination for tech experts at every stage of their careers. Our client, Vertical Falls LLC, is seeking the following. Apply via Dice today!Senior multi-cloud infrastructure & security architect12-month initial contract with high likelihood of extension.Location: New York CityThe Cybersecurity team is responsible for safeguarding a complex global organization. Although the current team excels in threat mitigation, incident response, compliance, and governance, the company is undergoing a significant transformation of its infrastructure. This initiative involves expanding from a legacy on-premises environment to a robust, multi-cloud ecosystem across leading global cloud service providers.While the organization possesses deep security expertise, there is a need for a highly skilled professional in cloud architecture and enterprise IT infrastructure to design and implement secure and resilient cloud solutions.The company is seeking a Senior Multi-Cloud Infrastructure and Security Architect for a full-time contractor role. This individual will serve as the technical leader, translating high-level security requirements into practical, scalable cloud engineering solutions. The role is critical to ensuring the organization’s systems are robust, resilient, and highly available.Key ResponsibilitiesKey Responsibilities Hybrid & Multi-Cloud Architecture Design Architect and implement secure, enterprise-grade multi-cloud landmines—er, landing zones—across AWS and Azure (Google Cloud Platform is a plus), ensuring strict alignment with CIS benchmarks and corporate security policies. Design and deploy complex hybrid connectivity solutions (e.g., AWS Direct Connect, Azure ExpressRoute, SD-WAN, and high-throughput VPN meshes) to link our legacy on-premises data centers smoothly with cloud environments. Establish scalable IAM hierarchies, cross-account trust relationships, and organizational units across multiple cloud tenants. Infrastructure Resiliency & Disaster Recovery (DR) Architect high-availability (HA) and disaster recovery topologies across disparate cloud providers to eliminate single points of failure (e.g., active-active cross-cloud replication). Develop, document, and test automated failover mechanisms for critical enterprise workloads to ensure zero-downtime objectives. Infrastructure as Code (IaC) & Automation Define, build, and maintain the company''s master IaC repository using Terraform, Ansible, or CloudFormation. Implement secure CI/CD deployment pipelines (Jenkins, GitLab, or GitHub Actions) embedded with automated security guardrails and static analysis tools. Technical Advisory & Collaboration Serve as the primary subject matter expert (SME) on cloud infrastructure for the core Cyber Security team, translating security objectives into concrete cloud configurations. Collaborate with traditional on-prem network and sysadmin teams to systematically migrate or extend legacy workloads to the cloud without disrupting active operations.Required Skills & Experience Enterprise Scale: Minimum 8+ years of experience managing, architecture-designing, and deploying IT infrastructure within a Fortune 500 or equivalent large-scale enterprise. Multi-Cloud Mastery: Deep, hands-on production experience with at least two major cloud vendors (AWS and Azure are highly preferred). You know their native networking, identity systems, and edge security controls inside out. Networking Guru: Strong foundational background in traditional on-premises networking (firewalls, load balancers, VLANs, proxies) and how those concepts map directly to cloud-native constructs (VPCs, VNets, Transit Gateways). Automation-First Mindset: Advanced proficiency with automation toolsets. Pragmatic Security Knowledge: While you don''t need to be a penetration tester, you must thoroughly understand cloud security frameworks (NIST, Cloud Security Alliance CCM) and modern identity protocols (SAML, OIDC, OAuth, JIT access).Desired Certifications(While your hands-on experience matters most, we highly value the following credentials) AWS Certified Solutions Architect – Professional / AWS Certified Security – Specialty Microsoft Certified: Azure Solutions Architect Expert / Azure Security Engineer Associate CCSP (Certified Cloud Security Professional) or equivalent infrastructure-focused certificationsPreferred / Plus Qualifications Familiarity with Microsoft Exchange On Premises and Exchange Online environments Experience with large scale email broadcast or bulk messaging platforms Exposure to compliance frameworks, audits, and regulatory examinations Experience integrating email platforms with monitoring, logging, and AIOps tooling Prior experience mentoring senior or mid level engineersKey Attributes Ability to work independently on complex, ambiguous problems Strong analytical and troubleshooting skills Excellent written and verbal communication skills Self driven learner with curiosity for modern tooling and AI assisted development Collaborative mindset with the ability to influence across teams and functionsWhy Join Us Work on mission critical, globally distributed email security platforms Solve complex security and compliance challenges at enterprise scale Collaborate with highly skilled engineers in a strong engineering culture Opportunity to shape the long term evolution of enterprise email security architecture