{"id":42816,"url":"https://alion.io/job/wdc-principal-engineer-software-development-engineering","title":"Principal Engineer, Software Development Engineering","company":{"id":8924,"name":"Western Digital","domain":"wdc.com","url":"https://alion.io/company/wdc","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":12,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":37,"computed_at":"2026-10-17T05:46:00Z"}},"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":["Phra Nakhon Si Ayutthaya, Thailand"],"countries":["TH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":19000,"max_usd":57000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1965},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"Digital Twin","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"Machine Learning","optional":false},{"name":"Matter","optional":false},{"name":"Python","optional":false},{"name":"RTOS","optional":false},{"name":"TCP/IP","optional":false},{"name":"UML","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-08-05T04:14:54Z","employer_posted_date":"2026-08-05","last_verified_at":"2026-10-17T17:57:47Z","board_verified":true,"closed_at":null,"days_open":73,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":73},"description":"WD is building the infrastructure behind the AI-driven data economy.\nAs AI scales, so does data. Every interaction, every model, every system generates data that must be stored, managed, and made accessible over time. That’s where we come in.\nWe combine deep engineering expertise with global-scale manufacturing to deliver the storage systems that make AI possible, powering hyperscale data centers, cloud platforms, and enterprise infrastructure worldwide.\nThis isn’t theoretical work. It’s real systems, at real scale, people solving some of the hardest challenges in technology today.\nWe’re looking for people who want to build, solve, and operate at that level.\nJoin us and let’s shape the future of data.\n ESSENTIAL DUTIES AND RESPONSIBILITIES:\nFollow the Company's Code of Conduct, policies, regulations, and compliance requirements.\nLead Software Architecture and System Architecture development for HSA, HDD, and Back-End Assembly automation systems.\nDefine technical roadmaps and software strategies aligned with business and factory transformation objectives.\nLead software design, code, testing, validation, and release review processes to ensure software quality and reliability\nDrive end-to-end development of PC-based, PLC, Robotics, Machine Vision, and Motion Control applications.\nLead the adoption and implementation of AI, Machine Learning, IIoT, and Digital Twin solutions for manufacturing applications.\nGenerate, maintain, and continuously improve machine control software for current and next-generation assembly platforms.\nDevelop and maintain reusable software frameworks, standards, and best practices across multiple machine generations.\nExecute experiments, analyze data, and provide technical recommendations to improve manufacturing performance.\nCollaborate closely with Process, Equipment, Production, Quality, IT, and cross-functional teams to improve yield, throughput, downtime, and scrap performance\nLead software development projects, including project planning, risk management, resource coordination, and execution.\nGenerate and maintain technical documentation including software architecture, specifications, release notices, validation reports, and user documentation\nServe as the primary technical resource and Subject Matter Expert (SME) for software engineering, automation, and intelligent manufacturing technologist.\nCoach, mentor, and develop junior engineers while promoting engineering best practices and technical excellence.\nMaintain effective communication and technical alignment with local and global engineering teams and stakeholders.\nSupport and drive continuous improvement, innovation, and digital transformation initiatives across manufacturing operations.\nComply with and promote IMS, ISO, 7S, EHS, RBA, BCM, ZDM, sustainability, energy-saving, waste reduction, and other corporate initiatives while fostering a safe, positive, and collaborative work environment\n REQUIRED:\nBachelor Degree/Master Degree in Computer Engineering/ Electrical/ Mechatronics/ Computer Science or equivalent\n\nPREFERRED:\n10-15 years of experience in Automation and Software Engineering, specializing in PC/PLC Controls, Robotics, Machine Vision, Image Processing, AI/ML, and Industrial IoT, with proven ability to lead software strategy, technical architecture, global projects, and engineering talent development\nKnowledgeable level the programming in- C# .NET , UML, C , Java, Python, IoT, Arduino devices\n- PLC (Beckhoff, Keyence, Mitsubishi); vision, robotics and HMI systems programming\n\nWeb application, dashboard and database system\nSKILLS:\nOOP Programing, UML Design\nWindows, Linux, RTOS\nPC based machine controls\nPLC (Beckhoff, Keyence, Mitsubishi); vision, robotics and HMI systems programming\nArduino devices and programming\nInterface, communication and controller integration for PC/PLC based automation systems, I/O controllers, bus interfaces, Frame Grabbers, Device Net, A to D, TCP/IP and serial communication devices\nMachine learning and AI fundamental\nGood attitude and able to build the truth across the team\nStrong listening, communication, interpersonal and relational skills to develop a good relationship within the organization\n WD thrives on the power and potential of diversity. As a global company, we believe the most effective way to embrace the diversity of our customers and communities is to mirror it from within. We believe the fusion of various perspectives results in the best outcomes for our employees, our company, our customers, and the world around us. We are committed to an inclusive environment where every individual can thrive through a sense of belonging, respect and contribution.\nWD is committed to offering opportunities to applicants with disabilities and ensuring all candidates can successfully navigate our careers website and our hiring process. Please contact us at  to advise us of your accommodation request. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.\nNotice To Candidates: Please be aware that WD and its subsidiaries will never request payment as a condition for applying for a position or receiving an offer of employment. 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