{"id":2184244,"url":"https://alion.io/job/att-principal-software-engineer","title":"Principal Software Engineer","company":{"id":1753140,"name":"AT&T","domain":"att.com","url":"https://alion.io/company/att-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Radancy","truth_index":{"grade":"A","score":91,"open_postings":33,"ghost_share":0,"stale_share":0.364,"repost_share":0,"time_to_fill_p50_days":23,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Plano, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":174100,"max":261100,"currency":"USD","period":"year","gross":null,"usd_annual":261100},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Anomaly Detection","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-10-09T15:39:11Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-12T13:20:50Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"This is a full-time onsite role based in the location(s) posted and is performed from the designated work location five days per week. No relocation is offered.\nAT&T is transforming network operations through AI, automation, and software-defined technologies. We are seeking a Principal Software Engineer to help drive the next generation of intelligent operational platforms that power one of the world's largest telecommunications networks.\nIn this role, you'll help develop, integrate, validate, and automate enterprise platforms and operational systems that support network provisioning, service delivery, observability, orchestration, and autonomous operations. You'll work at the intersection of software engineering, telecommunications, AI, automation, and operational transformation, partnering with network engineering, architecture, operations, and development teams to deliver innovative solutions that improve reliability, scalability, and operational efficiency.\nIf you're passionate about leveraging AI and software automation to modernize large-scale telecommunications environments, we'd love to hear from you.\nWhat You'll Do:\nBuild Intelligent Network Automation Solutions\nDesign, develop, test, and support AI-driven automation solutions that improve network operations, service delivery, and operational efficiency.\nDevelop and enhance automation workflows leveraging APIs, orchestration platforms, enterprise systems, and AI technologies.\nValidate inventory synchronization, service orchestration, workflow execution, telemetry collection, and platform integrations.\nDevelop & Validate Operational Platforms\nBuild, deploy, and maintain N/N+1 lab environments supporting telecommunications platforms, automation systems, and OSS ecosystems.\nCreate realistic test environments that replicate production network architectures and operational workflows.\nSupport software upgrades, feature validation, interoperability testing, and operational readiness initiatives.\nEnable Network & Service Onboarding\nSupport onboarding of network infrastructure, applications, and services into automation and operational platforms.\nValidate provisioning, activation, assurance, inventory management, and lifecycle management workflows.\nEnsure connectivity, configuration accuracy, and operational data integrity across systems.\nDrive Troubleshooting & Operational Intelligence\nAnalyze logs, telemetry, events, and operational datasets to identify issues and improve platform performance.\nPerform root-cause analysis and collaborate across engineering teams to resolve complex integration challenges.\nContribute to observability, monitoring, and operational intelligence initiatives.\nAdvance AI & Next-Generation Operations\nSupport development of AI, Machine Learning, and Generative AI capabilities that enhance operational decision-making.\nContribute to intelligent automation initiatives involving: Test Automation Predictive Analytics Log Analysis Event Correlation Anomaly Detection Workflow Optimization\nEvaluate emerging technologies that improve automation, visibility, and network operations.\nCreate Technical Documentation & Best Practices\nDevelop deployment guides, validation plans, onboarding procedures, architecture documentation, troubleshooting runbooks, and operational standards.\nShare knowledge and contribute to engineering excellence across teams.\nWhat You'll Bring:\nPassion for solving complex operational challenges through AI, software engineering, and automation.\nStrong understanding of telecommunications network operations and modern OSS ecosystems.\nExperience collaborating across software engineering, network architecture, operations, and platform teams.\nAbility to translate business and operational requirements into scalable automation solutions.\nStrong analytical, troubleshooting, documentation, and communication skills.\nCuriosity to evaluate emerging AI and automation technologies that improve operational outcomes.\nA mindset focused on innovation, continuous improvement, and operational excellence.\nWhat You'll Need:\nTelecommunications Expertise\nExperience working with telecommunications network environments, including IP, transport, optical, wireless, or service delivery architectures.\nKnowledge of OSS platforms, network lifecycle management, service provisioning, activation, inventory, assurance, and operational workflows.\nUnderstanding of network automation, orchestration, controller-based architectures, and operational support systems.\nFamiliarity with network observability, telemetry, monitoring, and performance management solutions.\nSoftware Engineering & Automation\nStrong programming skills in Python or similar languages used for automation, testing, and analytics.\nExperience with APIs, microservices, distributed systems, and enterprise platform integrations.\nHands-on experience with Linux/Unix environments, Git, containers, CI/CD pipelines, and automation frameworks.\nExperience developing, testing, and maintaining scalable software-based solutions.\nAI & Data Technologies\nKnowledge of AI, Machine Learning, Generative AI, intelligent automation, or advanced analytics solutions.\nExperience applying AI to operational use cases such as automation, anomaly detection, predictive analytics, or workflow optimization.\nEducation\nBachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Telecommunications Engineering, Data Science, or a related technical discipline.\nEquivalent combination of education and relevant experience may be considered.\nPreferred Qualifications:\nExperience supporting telecommunications service providers, network operators, or large-scale enterprise network environments.\nExperience with OSS modernization, network transformation, cloud-native platforms, or autonomous network initiatives.\nExposure to software-defined networking (SDN), network orchestration, observability platforms, and AI-powered operations.\nAbility to bridge telecommunications domain expertise with software engineering and AI-driven automation.\n\nOur Principal Software Engineering jobs earn between $174,100.00 - $261,100.00 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.\nJoining our team comes with amazing perks and benefits:\nMedical/Dental/Vision coverage\n401(k) plan\nTuition reimbursement program\nPaid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)\nPaid Parental Leave\nPaid Caregiver Leave\nAdditional sick leave beyond what state and local law require may be available but is unprotected\nAdoption Reimbursement\nDisability Benefits (short term and long term)\nLife and Accidental Death Insurance\nSupplemental benefit programs: critical illness/accident hospital indemnity/group legal\nEmployee Assistance Programs (EAP)\nExtensive employee wellness programs\nEmployee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone\nWeekly Hours:\n40Time Type:\nRegularLocation:\nPlano, TexasSalary Range:\n$174,100.00 - $261,100.00AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.","description_format":"text","description_chars":8044,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Parental leave","Wellness"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["Mobile Networks","Broadband"],"lifecycle":[{"event":"open","at":"2026-10-09T15:39:11Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":23,"reasons":["conf:0","velocity","win:early","comp:brand"],"computed_at":"2026-10-12T06:55:09Z"},"pay":{"stated_usd_annual":261100,"is_top_pay":true},"html_url":"https://alion.io/job/att-principal-software-engineer","json_url":"https://alion.io/job/att-principal-software-engineer.json","meta":{"generated_at":"2026-10-12T14:57:08Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":23623,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1753140},"rest":"https://alion.io/mcp/rest/get_company?id=1753140"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fatt-principal-software-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fatt-principal-software-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fatt-principal-software-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/att-principal-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fatt-principal-software-engineer"}]}