{"id":4163397,"url":"https://alion.io/job/thoughtworks-principal-platform-engineer","title":"Principal Platform Engineer","company":{"id":6249,"name":"Thoughtworks","domain":"thoughtworks.com","url":"https://alion.io/company/thoughtworks","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":83,"open_postings":15,"ghost_share":0.133,"stale_share":0.267,"repost_share":0.133,"time_to_fill_p50_days":27,"computed_at":"2026-11-15T07:52:55Z"}},"role":"DevOps","role_family":"DevOps","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"CloudFormation","optional":false},{"name":"Configuration Management","optional":false},{"name":"GCP","optional":false},{"name":"Kubernetes","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Self-Healing","optional":false},{"name":"Terraform","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-11-12T08:15:09Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-15T10:07:57Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Due to the nature of the projects and specific client security clearance, this role requires the successful candidate to be a Singapore Citizen or PR of Singapore.\nPrincipal Infrastructure Engineers within Enterprise Modernization, Platforms and Cloud (EMPC) at Thoughtworks are strategic technical leaders and trusted advisors who direct solution architecture and enterprise infrastructure strategy for complex, large-scale modernizations. Operating at the intersection of executive business vision and deep technical execution, you guide client leaders through platform engineering, cloud modernization, and Site Reliability Engineering (SRE) initiatives. You foster a culture of technical excellence, mentor cross-functional delivery teams, and champion robust DevOps, DevSecOps, and continuous delivery practices. Ultimately, you are responsible for establishing resilient, modern infrastructure foundations and driving systemic change across enterprise accounts.\nJob responsibilities\nYou will act as a trusted technical advisor to senior client executives, guiding multi-year infrastructure strategy, platform engineering, and cloud transformation roadmaps underthe EMPC practice.\nYou will lead collaborative architectural design and implementation grounded in well-architected framework principles to deliver enterprise-scale hosting platforms, cloud-native environments, and resilient infrastructure systems.\nYou will champion DevOps philosophies, Infrastructure as Code (IaC), continuous delivery for infrastructure, and Site Reliability Engineering (SRE) practices across clientengagements.\nYou will assess complex legacy ecosystems and design modern technical roadmaps to eliminate architectural constraints, platform vulnerabilities, and scalability bottlenecks.\nYou will establish enterprise DevSecOps frameworks, embedding secrets management, compliance controls, and supply chain security into automated delivery pipelines.\nYou will collaborate with account leadership and client stakeholders to navigate technical trade-offs, manage strategic operational risks, and ensure alignment with businessgoals.\nYou will lead the adoption of emerging technical capabilities, including AI-assisted infrastructure automation, self-healing architectures, and modern multi-cloud telemetryframeworks.\nYou will cultivate Thoughtworker growth and development by mentoring lead and senior infrastructure engineers, encouraging feedback, and fostering an inclusive team culture.\nYou will help shape Thoughtworks' cloud and infrastructure practice through collaboration with business development, marketing, and capability development teams.\nYou will establish comprehensive observability standards across client platforms, incorporating distributed tracing, centralized logging, application metrics, and self-healing systems.\nJob qualifications\nTechnical Skills\nYou have an extensive track record in platform engineering, legacy modernization, and cloud architecture across major IaaS platforms (AWS, Azure, or GCP) and enterprise container orchestration platforms like Kubernetes.\nYou possess deep technical mastery in Infrastructure as Code (IaC) tools (e.g.,Terraform, CloudFormation), automated configuration management, and modern CI/CD delivery pipelines.\nYou bring expertise in enterprise networking, platform vulnerability management, zero-trust security paradigms, and software supply chain security.\nYou have hands-on experience designing and implementing observability systems, multi-cloud resilience and Site Reliability Engineering.\nYou bring an open and thoughtful mindset toward emerging technologies and AI, proactively exploring AI-assisted platform automation, predictive operations, and intelligent telemetry.\nProfessional Skills\nYou excel at navigating complex ambiguity, making sound architectural decisions under pressure, and skillfully managing systemic technical and operational risks.\nYou are comfortable partnering directly with executive leadership (CTO, CIO, VP of Engineering) to design technical strategies while simultaneously serving as a hands-on technical advisor to engineering groups.\nYou are a natural mentor and leader, skilled at inspiring cross-functional teams, driving organizational change, and resolving complex stakeholder alignment challenges.\nYou demonstrate commercial and strategic acumen, with experience shaping program scope, supporting pre-sales technical strategies, and crafting winning client proposals.\nYou thrive in a collaborative, non-hierarchical environment that values transparency, openness, feedback, continuous learning, and technical excellence.\nOther things to know\nLearning & Development\nThere is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys\nResponsible Use of AI in Recruitment\nAt Thoughtworks, we use AI tools to support our recruitment team with administrative tasks such as drafting communications, scheduling interviews and writing job descriptions.\nCrucially, our AI tools do not screen, assess, rank or make hiring decisions. Every application is reviewed by our team and all selection decisions are made exclusively by our interviewers and hiring managers.\nWe are committed to fairness and responsible AI. We actively manage our AI systems by testing, monitoring for biased outcomes and implementing mitigation measures. We hold our third-party vendors to these same high standards through a rigorous governance process. For additional information, please see our full Thoughtworks AI Policy for Recruitment.\nAbout Thoughtworks\nThoughtworks is a dynamic and inclusive community of bright and supportive colleagues who are revolutionizing tech. As a leading technology consultancy, we’re pushing boundaries through our purposeful and impactful work. For 30+ years, we’ve delivered extraordinary impact together with our clients by helping them solve complex business problems with technology as the differentiator. Bring your brilliant expertise and commitment for continuous learning to Thoughtworks. 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