Lead Network Convergence Architect

Company Description: Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989. Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%. Job Description: We are looking for a Lead Network Convergence Architect to act as the chief technical authority for a large-scale network consolidation program at a US-based Tier-2 Telco. The role is responsible for designing the target-state architecture and resolving highly complex routing collisions. It defines master architectural templates leveraged by automation and serves as the ultimate escalation point for critical technical edge cases. This position suits professionals experienced in untangling undocumented legacy networks and architecting large-scale, reliable BGP/OSPF convergence strategies. Responsibilities: Take full ownership of High-Level and Low-Level Design (HLD/LLD) for network infrastructure, defining and documenting target-state architecture across WAN and SD-WAN, routing and switching standards, Data Center Interconnect (DCI), and hybrid connectivity across on-premise data centers and AWS Cloud Design the target-state architecture by developing standardized LLD routing and switching templates used by the ETL data pipeline for automated configuration generation Design the Transition State Machine (TSM), including interim routing steps and temporary logical overlays required for seamless migration of legacy sites with zero packet loss Act as the senior escalation point during large-scale rollouts, resolving complex issues from undocumented legacy configurations by engineering transition solutions aligned with the defined Golden Standard, and securing Architecture Review Board approval for any necessary deviations Analyze failed site cutovers within the rollback feedback loop. Identify root causes, engineer corrective solutions, and collaborate with the ETL/Automation team to ensure permanent fixes are embedded into Jinja2-based automation scripts Provide technical direction for lab validation activities conducted by Infrastructure Analysts within AWS/EVE-NG simulation environments Serve as a trusted advisor to technical and executive stakeholders, applying a consultative approach to challenge legacy decisions, reduce technical debt, defend the target architecture, and translate engineering trade-offs into clear business value (ROI, OPEX reduction, risk mitigation) Drive architecture governance as the primary technical authority in Architecture Review Board (ARB) sessions, securing design approvals, resolving cross-domain conflicts, and guiding domain architects in preparation and quality assurance of all ARB submissions Qualifications: 12+ years of expert-level experience in service provider or large enterprise network architecture, with CCIE (Routing & Switching / Service Provider) or equivalent expertise Deep expertise in complex routing protocols (BGP, OSPF, IS-IS), including route leaking, VRF segmentation, and SD-WAN overlay/underlay integration Experience in network engineering and traffic management across global service providers, including GTT, Cogent, and Lumen Experience working with colocation and data center environments, including Equinix (LD5/LD6) and Redcentric Knowledge of cloud connectivity and Network-as-a-Service (NaaS) platforms, including Equinix Fabric, Megaport, and PacketFabric Proven experience leading technical architecture for large-scale M&A network consolidations, including resolving overlapping IP spaces (strong NAT/PAT expertise) Strong understanding of scalable, template-driven network design enabling automated deployments Additional Information: We offer: Culture of Relentless Performance : join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth. Competitive Pay and Benefits : enjoy a comprehensive compensation and benefits package, including health insurance, and a relocation program. Work From Anywhere Culture : make the most of the flexibility that comes with remote work. Growth Mindset : reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities. Global Impact : collaborate on impactful projects for top global clients and shape the future of industries. Welcoming Multicultural Environment : be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events. Social Sustainability Values : join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality. * Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.