Principal Software Development Engineer

Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities. At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter. This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today. The Role 
 In an environment where accountability fuels innovation and trust is earned through action, this opportunity places a senior technical leader at the center of transforming how customers, partners, and teams connect in an AI-ready future. This leader will help with enterprise solutions, driving meaningful impact through bold thinking, technical excellence, and a commitment to delivering results.   As a Principal Software Development Engineer, this individual serves as a strategic force behind Salesforce innovation and MuleSoft-powered enterprise integrations. By translating complex business needs into scalable technology solutions, they influence how systems, people, and processes work together across the organization. Their expertise helps establish the practices, frameworks, and engineering standards that guide both current initiatives and future transformation efforts.   This role plays a pivotal part in defining software architecture and advancing API-first connectivity across the enterprise. Through technical leadership, this individual designs and enables secure, reusable, and scalable integration patterns that connect Salesforce, internal platforms, and external partner ecosystems. Acting as the engineering authority for cross-system automation, they drive modern integration strategies spanning API design, orchestration, and event-driven architectures that accelerate business outcomes and create lasting value.   Success in this role comes from a combination of technical depth, strategic vision, and leadership through change. The ideal candidate brings experience delivering complex solutions in fast-paced environments, balancing multiple priorities while maintaining a focus on quality, scale, and execution. By partnering closely with business stakeholders and engineering teams, this leader helps guide innovation from concept to reality, shaping technology decisions that strengthen the organization's future and elevate the customer experience. Location 
 This is a work from home position within the US.  The Main Responsibilities 
 Teamwork   Collaborate across Lumen and demonstrate leadership with a high level of engagement and e nsuring customer focus with user communities, both internal and external Communication through Interaction with leadership to ensure open communication and h andle situations involving conflict while promoting a positive company image  Automation and AI Strongly drive an intentional automation first approach and l everage AI daily to improve efficiency to deliver Incorporate AI to deliver solutions and deliver AI enabled solutions Software Engineering Lead the design and implementation of MuleSoft-based integrations using API-led connectivity principles and d efine and govern enterprise API standards, including RAML/OpenAPI specifications, versioning, and lifecycle management DesigAct as a bridge between engineering teams, ensuring that system interactions are clearly defined and consistently implemented and optimize system-to-system integrations across Salesforce, cloud platforms, and on‑prem systems using MuleSoft Ensure reliability, scalability, observability, and security of