T-Mobile is building something big in fiber — and this role is at the center of it. As Sr Engineer, Systems Design you'll be the connective tissue across every team, partner, and milestone that brings T-Fiber products to market. This is a high visibility, high-impact position for someone who thrives at the intersection of technology, operations, and strategy — and who wants to shape the future of home broadband at scale. This is a rare opportunity to own a greenfield hardware program at one of the country's largest and fastest-moving carriers. You'll have executive visibility, cross functional scope, and the chance to build something that millions of customers will rely on every day. This is a hybrid position required to be working in-office at least 3 days a week. Job Responsibilities: Be the leader for technical business operations end-to-end hardware / technology and service launches across all T-Fiber workstreams, from collaborating with the Fiber partners in the field through marketing to installation in the home. You'll build and drive the master hardware and technology program schedule, lead decision forums, manage escalations, and coordinate market launch. You’ll make sure all T-Fiber deliverables are ready for the partner early and ensure partner has everything needed to complete installations successfully on time, on budget and with best-in-class customer experience. A high focus on quality and done once, done right. Executive presence matters here: you'll represent T-Fiber at the VP and SVP level with clarity on strategy, status, and risk. coordinate demand planning, procurement, and forward/reverse logistics with Commercial, Finance, Sourcing, and Supply Chain. Technology Strategy Collaborate with engineering architecture to evaluate platform tradeoffs and deliver technology recommendations spanning Wi-Fi 8, embedded AI, RedCap, XGS-PON, and RDK. Assess roadmaps and translate emerging capabilities into long-range product planning. - Be the principal technology lane leader, acting as highest point of business operations technical, operational, and functional stewardship. - Work across numerous external fiber partners and internal T-Mobile organizations. - Lead workshops with various internal and external teams to ensure operational requirements are understood and target metrics are achieved. - Also responsible for other duties/projects as assigned by business management as needed Knowledge, Skills and Abilities: - Analytical Thinking - Capacity Planning - Communication - Network Architecture - Network Design - Optimization Techniques - Performance Testing - Systems Engineering - Technical Project Management - Technical Writing Qualifications: - Bachelor's degree plus 5 years of related work experience, or Advanced degree with 3 years of related experience. Acceptable areas of study include Computer Science or Engineering or related field - 5 years in engineering, product management, and or technical troubleshooting within telecommunications, consumer broadband, or consumer electronic - Demonstrated experience owning operational deliverables, driving large-scale hardware launches, driving quality control programs - Experience managing OEM’s, supplier relationships and other external partners - Strong knowledge of broadband hardware and familiarity with fiber technologies such as PON, fiber transport and backhaul, FTTH, and Wi-Fi - Experience with API, IoT, BiDi and Ethernet - Familiarity with emerging broadband trends — embedded AI, Wi-Fi 8, USP/TR-369 — is a plus - At least 18 years of age - Legally authorized to work in the United States Travel Required (Yes/No): Yes Total Target Cash Earnings Opportunity: $113,045 - $203,895 National Base Pay Range: $98,300 - $177,300 The Total Target Cash Earnings Opportunity represents the expected total cash compensation for this role at target performance, combining base salary and annual incentive opportunity. Actual earnings may be higher or lower depending on individual performance and overall company results.  The base pay range reflects the compensation component of this opportunity. The candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range. To find the pay range for this role based on hiring location, https://paylookup.t-mobile.com/paylookup?reqID=REQ373906¶dox=1 At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Corporate employees are eligible for a year-end bonus based on individual and/or company performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. The incentive component included in the Total Target Cash Earnings Opportunity reflects target performance. Actual earnings included in the Total Target Cash Earnings Opportunity reflect target performance; actual payouts may vary.  At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out . Never stop growing! As part of the T-Mobile team, you know the Un-carrier doesn’t have a corporate ladder–it’s more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth–and we applaud it. You’re unstoppable!