{"id":1652388,"url":"https://alion.io/job/physicsx-technical-writer","title":"Technical Writer","company":{"id":251,"name":"PhysicsX","domain":"physicsx.ai","url":"https://alion.io/company/physicsx","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":41,"ghost_share":0.122,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":119,"computed_at":"2026-10-04T05:45:00Z"}},"role":"Product","role_family":"Product","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":96000,"max_usd":237000,"period":"year","method":"role_country_seniority_unknown","sample_n":192},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"CI/CD","optional":false},{"name":"GitHub","optional":false},{"name":"Machine Learning","optional":false},{"name":"NumPy","optional":true},{"name":"SciPy","optional":true}],"status":"live","first_seen_at":"2026-02-04T09:34:20Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-05T02:03:45Z","board_verified":true,"closed_at":null,"days_open":242,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":241},"description":"About us\nRe-architecting Engineering for the Age of Intelligence\n\nPhysicsX is the physics AI company for industrials. The company’s mission is to accelerate hardware innovation by overhauling what industrial engineering and manufacturing look like today. PhysicsX is building a new simulation software stack to deliver deep physics AI enablement across the entire engineering lifecycle. The company partners with leading organisations in aerospace & defence, automotive, semiconductors, materials, and energy & renewables, supporting them on some of their most critical and complex challenges. PhysicsX is headquartered in the United Kingdom, with offices in London, New York, and Singapore and an expanding presence in the Bay Area.\nThe Mission\nWe are looking for a Technical Writer to own our task based, in platform documentation and how to guides. This person will be responsible for the complete guide lifecycle: identifying and scoping documentation needs, then research, drafting, validation, publication, release updates, testing, and maintenance. These guides will form the authoritative technical foundation for our curriculum and training programmes. The Technical Writer will work closely with the curriculum lead, who will continue to own learning architecture, exercises, assessments, trainer materials, and broader adoption initiatives.\nMany customers do not have in house specialist knowledge in all areas of our platform capabilities, so the documentation must enable technically literate users to complete appropriate machine learning and simulation workflows independently. Guides should evolve with every platform release, and should be scoped starting at the engineering level and carried through to clear, customer facing guides. Early priorities include plugging existing gaps, building foundational machine learning explainer content for technical and non technical readers, and supporting new feature rollouts.\nThis role owns procedural, task based documentation. Curriculum, training, and business development consumes and builds on that documentation rather than recreating or independently maintaining the same content.\nCore Responsibilities\nScope how to guides in detail per topic, as directed by Product User Enablement GTM leadership, leveraging existing Product and Delivery materials to build repeatable, distributable guides, and build in new product features as they ship\nCreate and publish new how to guides, coordinating with subject matter experts and using pre built skills and writing rules to move quickly\nMaintain all existing guides on a regular schedule\nPartner with the curriculum lead to ensure published guides provide a reliable technical foundation for training, while curriculum design, learning pathways, exercises, and trainer materials remain owned by the curriculum lead\nGain approval from GTM leadership and relevant subject matter experts on every user guide before it is published\nSuccess Measures\nEvery priority workflow is supported by an accurate, tested how-to guide\nGuides are maintained alongside each platform release\nPublished guides can be referenced by training curriculum without recreating procedural content\nDocumentation gaps and stale content are tracked through a visible backlog\nProduct users can complete common workflows independently\nOwnership and Collaboration\nThis role owns procedural, task based documentation as the single source of truth for product guidance. Curriculum, training, and enablement content build on these guides rather than recreating them.\nCurriculum lead: Owns learning architecture, exercises, assessments, and trainer materials, and partners with this role to keep training content grounded in the published guides.\nSubject matter experts: Help develop and review new and updated guides, particularly within Delivery. Every guide requires their sign off alongside GTM leadership before publication.\nProduct and Engineering: Provide the core engineering and product concepts needed to create clear, customer facing guidance and incorporate new features as they ship.\n GTM leadership: Prioritises which user guide topics are needed.\nEssential Experience\nDemonstrable experience in technical writing, developer relations or documentation engineering\nCurriculum, training or technical documentation experience\nStrong proficiency with Markdown, and ideally MkDocs or a similar tool\nExperience working in MD or AsciiDoc files\nExperience with version control via GitHub\nComfortable with docs as code workflows and CI/CD integration\nFamiliarity with the Diataxis documentation framework (tutorials, how to guides, reference, explanation)\nComfortable using company docs guidelines and agentic writing skills\nAbility to write clear, concise prose that respects readers' time\nHow You Work\nYou can assess documentation from the target reader’s perspective and ensure technically literate non-specialists can understand and complete the documented workflows independently.\nYou can verify technical accuracy independently, without relying on engineers to write the content for you\nYou are a systems thinker who builds coherent information architectures rather than documenting features in isolation\nYou are comfortable coordinating across a wide set of subject matter experts, particularly within user-enabling Delivery\nDesirable Experience\nMkDocs, or a similar tool such as Mintlify or Zensical, plus Markdown and Sphinx\nA physical industry background is preferred, for example simulation, machine learning, design or manufacturing\nDemonstrated experience documenting APIs, SDKs or developer tooling is a plus given the platform's technical depth\nBackground in simulation or engineering workflows\nFamiliarity with scientific computing libraries such as NumPy and SciPy\nUnderstanding of how AI agents consume documentation, for example structured descriptions and tool schemas\nPrior freelance experience in this space, including candidates who could convert to a permanent role and start with no notice period\nWe value diversity and are committed to equal employment opportunity regardless of sex, race, religion, ethnicity, nationality, disability, age, sexual orientation or gender identity. We strongly encourage individuals from groups traditionally underrepresented in tech to apply. To help make a change, we sponsor bright women from disadvantaged backgrounds through their university degrees in science and mathematics. \nWe collect diversity and inclusion data solely for the purpose of monitoring the effectiveness of our equal opportunities policies and ensuring compliance with employment and equality legislation. 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