{"id":3479188,"url":"https://alion.io/job/randstad-canada-senior-applications-architect","title":"Senior Applications Architect","company":{"id":19351,"name":"Randstad Canada","domain":"randstad.ca","url":"https://alion.io/company/randstad","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"contractor","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":105000,"max_usd":173000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":47},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Rest API","optional":false},{"name":"SOAP","optional":false},{"name":"UML","optional":false}],"status":"live","first_seen_at":"2026-10-29T18:04:15Z","employer_posted_date":null,"last_verified_at":"2026-10-29T18:04:15Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"We are seeking an experienced Senior Applications Architect to lead the specification, design, and integration of robust application architectures within complex, distributed environments. In this role, you will define the overall structure, logical components, interface boundaries, and interactions among software layers, databases, and middleware systems. Leveraging industry-standard architecture frameworks such as TOGAF ADM or Zachman, along with modeling notations like ArchiMate and UML, you will develop target solution architectures, evaluate reusable components, establish enterprise integration patterns, and create comprehensive architectural blueprints that guide development and modernization efforts.\n\nLocation: Toronto, ON (Hybrid – 3 days/week onsite)\n\nDuration: 6-month contract (Possibility of extension)\n\nAdvantages\nArchitectural Leadership: Direct the application architecture for complex, large-scale distributed systems.\n\nModern Integration Scope: Shape diverse integration models spanning APIs, SOA, ESB, and asynchronous data flows.\n\nStandard-Driven Delivery: Apply recognized frameworks like TOGAF ADM, ArchiMate, and UML using modern modeling tools.\n\nFlexible Hybrid Model: Balance independent remote productivity with collaborative onsite days in Toronto.\n\nResponsibilities\nLead the design, specification, and implementation of end-to-end application architectures across large-scale, distributed enterprise environments.\n\nDefine structural components, software layering, interface specifications, and interactions between applications, databases, and middleware systems.\n\nDevelop current-state architectures, target solution blueprints, transition roadmaps, and architecture governance artifacts using tools such as Enterprise Architect (EA Sparx) or Archi.\n\nModel business, application, and data interactions using ArchiMate and UML standards within a collaborative team environment.\n\nDesign and implement enterprise integration strategies, encompassing REST APIs, web services, Service-Oriented Architecture (SOA), Enterprise Service Bus (ESB), real-time messaging, and batch processing.\n\nIdentify and evaluate reusable components, service abstractions, and quality-of-service metrics to improve system scalability and maintainability.\n\nDefine technical constraints, coding standards, and architectural guardrails for engineering squads and implementation teams.\n\nCollaborate with enterprise architects, solution designers, infrastructure specialists, and project managers to align technical designs with corporate standards and cloud strategies.\n\nConduct architecture reviews, gap analyses, and technical risk assessments across multi-tier application platforms.\n\nQualifications\nApplication Architecture Seniority: Minimum of 6 years of hands-on experience in the development and implementation of enterprise application architectures (Strictly Required).\n\nSystems Analysis & Design: Extensive experience conducting systems analysis and technical design within large, multi-tier systems environments (Strictly Required).\n\nArchitecture Frameworks: Strong working knowledge of enterprise architecture frameworks, preferably TOGAF ADM or Zachman, across business, information, application, technology, and security domains (Strictly Required).\n\nArchitecture Modeling Tools & Standards: Practical hands-on experience using architecture modeling tools (e.g., Enterprise Architect / Sparx EA, Archi, or equivalent) utilizing ArchiMate and/or UML notations in a collaborative setting (Strictly Required).\n\nIntegration Patterns & Middleware: In-depth knowledge and practical design experience across multiple integration models, including APIs, REST/SOAP web services, SOA, ESB implementations, hub-and-spoke, real-time, and batch-oriented data exchange (Strictly Required).\n\nNice-to-Have Assets:\nPrior application architecture experience within a public sector or equivalent large-scale enterprise environment.\n\nExperience delivering enterprise architecture artifacts aligned with formal public sector architecture review and checkpoint processes.\n\nHands-on knowledge of cloud computing platforms and hybrid on-premises/cloud integration architectures.\n\nExperience with object-oriented analysis, design techniques, and enterprise data management principles.\n\nSummary\nIf you're interested in the \"Senior Applications Architect\" role based in Toronto, we encourage you to apply online at www.randstad.ca.\n\nOnly qualified candidates will be contacted for the next steps. We look forward to hearing from you!\n\nRandstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.\n\nRandstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to  to ensure their ability to fully participate in the interview process.\n\nThis posting is for existing and upcoming vacancies.","description_format":"text","description_chars":5977,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Government"],"lifecycle":[{"event":"open","at":"2026-10-29T19:42:15Z"}],"visa":[],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.542,"p_room":1,"age_days":2,"expected_fill_days":22,"reasons":["seen:2","agency","velocity","win:early","comp:brand"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/randstad-canada-senior-applications-architect","json_url":"https://alion.io/job/randstad-canada-senior-applications-architect.json","meta":{"generated_at":"2026-11-02T00:06:04Z","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":162,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"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":19351},"rest":"https://alion.io/mcp/rest/get_company?id=19351"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frandstad-canada-senior-applications-architect"},{"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%2Frandstad-canada-senior-applications-architect"},{"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%2Frandstad-canada-senior-applications-architect"},{"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/randstad-canada-senior-applications-architect\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frandstad-canada-senior-applications-architect"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3479188}},{"tool":"search_jobs","arguments":{"company":"randstad.ca","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3479188},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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