**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.** Join AT&T and reimagine the communications and technologies that connect the world. Our Consumer Technology experience team is delivering 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 Principal System Engineer, you’ll be responsible for translating business needs into technical solutions and defining solutions to problems through reasoned application of information technology. **Key Roles and Responsibilities:** - Designs, develops, documents, and analyzes overall architecture of systems, including hardware and software. - Determines integrated hardware and software architecture solutions that meet performance, usability, scalability, reliability, and security needs. - Coordinates design and integration of total system including subsystems. - Researches and recommends technology to improve the current systems. - Supports technical initiatives normally as part of a larger project. - Works on development of new technologies or maintenance of existing technologies. - Exchanges complex technical information and provides training and guidance to others in work area by breaking down information in a systematic and logical manner. - Maintain strong hands-on skills with the MuleSoft Anypoint Platform and stay updated on MuleSoft products, strategies, and best practices. - Stay updated with the latest trends and advancements in MuleSoft and integration technologies and implement C4E best practices. - Apply strong infrastructure knowledge, including servers, clusters, load balancers, firewall rules, SSL, VPC, VPN, and certificates, to architect reliable and secure integration solutions. - Carryout technical proof of concepts and guide Mulesoft platform team on the implementation. **Qualifications:** + 8-10 years of related experience. + Degree in Engineering, Information Systems or related technical field preferred + Experience in building multiple versions systems addressing performance and scale. + Experience developing technical documentation on applications and systems. + Ability to work with technical and business-oriented teams. + Experience in building multiple versions systems addressing performance and scale. + Experience developing technical documentation on applications and systems. + Ability to work with technical and business-oriented teams. + 8 - 10+ years of hands-on experience with MuleSoft and API Management, monitoring with Excellent knowledge of SOA, ESB concepts. + Working experience with Linux and Kubernetes. + Deep experience with Anypoint Platform, Flow Design, API Design, DataWeave, Runtime Fabric, and API Management. + Strong understanding and experience with security implementations (e.g., SSL/mutual SSL, SAML, OAuth). + Experience in building DevSecOps process using Jenkins, GitOps with ArgoCD. + Ability to carry out technical proof of concept, provide technical guidance to the team. + Experience in building custom connectors. + Experienced in C4E platform enablement and architecting complex integration projects across various domains + Strong analytical and problem-solving abilities to identify and resolve technical issues efficiently. + Good experience in Azure or any cloud related technologies Our Principal System Engineering, earns between $158,200.00-$237,400.00 USD Annual, 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. \#LI-Onsite – Full-time office role- **\#ConsumerTechnologyeXperience** 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!** **Weekly Hours:** 40 **Time Type:** Regular **Location:** USA:TX:Dallas / Two AT&T Plaza (211 S Akard St) - Dat:211 S Akard St **Salary Range:** $158,200.00 - $237,400.00 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 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