**Job Description:** **This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.** **AT&T will not hire any applicants for this position who require employer sponsorship now or in the future.** Join AT&T and reimagine the communications and technologies that connect the world. Our Consumer Technology experience team delivers innovative and reliable technology solutions to power differentiated, simplified customer experiences. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won’t just imagine the future-you’ll create it. As a Lead System Engineering Manager, you will serve as a strategic leader responsible for the end-to-end performance, reliability, and scalability of AT&T’s mission-critical data center infrastructure. This role combines operational excellence, engineering leadership, and cross-functional collaboration to ensure 24x7 availability, support business continuity, and enable future growth. You will drive innovation, lead high-impact initiatives, and ensure our facilities meet the highest standards of safety, efficiency, and resiliency. **Key Roles and Responsibilities:** + Operational Leadership: + Lead the daily operations of multiple geographically distributed, mission-critical data centers with a focus on uptime, safety, and performance + Ensure 24x7x365 operational readiness through robust incident response, preventive maintenance, and continuous monitoring of critical systems + Infrastructure Strategy & Project Delivery + Own the lifecycle of capital infrastructure projects—from requirements gathering and design through commissioning and handover + Manage large-scale upgrades and retrofits to support capacity growth, energy efficiency, and evolving technology needs + Oversee all critical systems including electrical distribution, UPS, diesel generators, HVAC, fire/life safety, BMS, and fuel systems + Cross-Functional & Vendor Leadership + Partner with internal stakeholders (engineering, IT, real estate, finance) and external vendors to deliver projects on time, within budget, and with zero disruption to live environments + Lead performance management of third-party facility management providers, ensuring adherence to SLAs, KPIs, and compliance standards + Innovation & Continuous Improvement + Drive operational excellence through automation, predictive maintenance, and data-driven decision-making + Identify and implement energy efficiency and sustainability initiatives aligned with corporate goals + Risk Management & Compliance + Lead root cause analysis and post-incident reviews for infrastructure-related events + Ensure compliance with all regulatory, environmental, health, and safety standards (e.g., NFPA, ASHRAE, OSHA) **Required Experience:** + 5-8 years’ experience in Mission critical data center operations, engineering or construction management; Technical Career Pathway (TCP) role + Technical support for on-site engineering operations 24x7x365 by phone for emergencies only **Desired Experience:** + 7+ years of experience in mission-critical data center operations, engineering, or construction management + Experience managing large-scale, high-availability environments in telecom, cloud, or hyperscale data center settings + Preferred certifications: PMP, IFMA, BOMI, Uptime Institute ATD/ATS, or Professional Engineer (PE) license + Familiarity with IT infrastructure, networking, and cloud service delivery models is a plus + Aligns infrastructure planning with long-term business and technology goals + Delivers consistent, high-quality results in high-pressure environments + Deep understanding of critical infrastructure systems and emerging technologies + Builds strong relationships and drives accountability across external teams + Leads teams through transformation, innovation, and continuous improvement + Effectively communicates with technical and non-technical stakeholders, from field engineers to senior executives + Prioritizes service availability and end-user impact in every decision **Desired Education:** Bachelor's of Science degree in Mechanical Engineering, Electrical Engineering, or equivalent experience preferred **Supervisory:** No Our Lead System Engineering earns between $143,800 - $215,800 annually. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training. **Joining our team comes with amazing perks and benefits:** + Medical/Dental/Vision coverage + 401(k) plan + Tuition reimbursement program + Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays) + Paid Parental Leave + Paid Caregiver Leave + Additional sick leave beyond what state and local law require may be available but is unprotected + Adoption Reimbursement + Disability Benefits (short term and long term) + Life and Accidental Death Insurance + Supplemental benefit programs: critical illness/accident hospital indemnity/group legal + Employee Assistance Programs (EAP) + Extensive employee wellness programs + Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone AT&T is leading the way to the future – for customers, businesses, and the industry. We're developing new technologies to make it easier for our customers to stay connected to their world. Together, we’ve built a premier integrated communications and entertainment company and an amazing place to work and grow. Team up with industry innovators every time you walk into work, creating the world you always imagined. Ready to #transformdigital with us? **Apply now!** \#LI-Onsite – Full-time office role **Weekly Hours:** 40 **Time Type:** Regular **Location:** Bothell, Washington **Salary Range:** $143,800.00 - $215,800.00 It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. AT&T will consider for employment qualified applicants in a manner consistent with the requirements of federal, state and local laws We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status