{"id":2221646,"url":"https://alion.io/job/honeywell-c-c-software-engr-ii","title":"C++ / C# - Software Engr II","company":{"id":15856,"name":"Honeywell","domain":"honeywell.com","url":"https://alion.io/company/honeywell-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":84,"open_postings":92,"ghost_share":0,"stale_share":0.859,"repost_share":0,"time_to_fill_p50_days":19,"computed_at":"2026-10-20T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Mexico City, Mexico"],"countries":["MX"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Copilot","optional":false},{"name":"MS SQL","optional":false},{"name":"OpenTelemetry","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-09T19:51:10Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-20T15:26:46Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"Honeywell’s Security and Access Solutions business provides high-value security products and services that are critical for buildings around the globe. Building operators and security teams across dynamically evolving verticals depend on our software platforms for access control, intrusion detection, and locking solutions to help create safer and more efficient facilities. This role sits at the core of that evolution owning complex software systems, influencing architecture decisions, and helping modernize a mature, high-impact platform where reliability and correctness truly matter. This is a hands-on senior engineering role for someone who wants meaningful technical ownership.\nThis role is primarily hands-on engineering. Architectural thinking and collaboration are essential, but shipping high-quality software is the core expectation. As part of the engineering team, you will work in a continuous delivery environment and contribute to features that directly impact on our customers daily.\nYou will participate in feature planning and design sessions, implement software solutions, assist with test plans and documentation, and maintain those solutions. The ideal candidate will demonstrate strong functional programming skills and excellent communication to discuss her/his ideas with relevant stakeholders around the globe.\nDesign, build, own and maintain core platform components, from implementation through deployment, diagnostics, and long -term evolution.\nWrite and review high -quality C++ / C# code with a strong emphasis on correctness, performance, and maintainability.\nContribute to technical design and architectural discussions driving improvements in scalability, resiliency, performance, operational simplicity, and developer productivity.\nTackle hard system failures including concurrency issues, performance degradation, data consistency problems, and integration failures across services and devices.\nEstablish patterns and best practices for testing, observability, and debuggability in complex systems.\nCollaborate closely with other engineers, QA and product partners in an Agile, multi-site development environment.\nCommunicate technical complexity clearly providing pragmatic estimates, design tradeoffs, and progress updates when needed.\n Must Have:\n4+ years of professional Software Development experience building and debugging production systems in Windows development and deployment platform.\nStrong proficiency in C++, VC++, C#, Messaging Systems, multi-threaded programming within Windows-based environments.\nExperience working with relational databases, ideally MS SQL Server.\nSolid understanding of Windows internals and Windows development technologies.\nUnderstanding and usage of Open telemetry.\nA disciplined approach to debugging, testing, and system analysis and it associated tools.\nExperience using modern developer tooling (e.g., Copilot) and best practices to improve productivity, code quality, or test coverage.\nWe Value:\nExperience with system level debugging, reverse engineering, or advanced diagnostic tools.\nBackground in architecture evolution of long-lived platforms.\nExposure to hardware software integration, driver development, or low-level interfaces.\nStrong testing mindset (TDD or similar) and experience with secure coding practices.\nAbility to balance technical depth with clear communication across engineering and non-engineering audiences.\nFamiliarity with building automation, security systems, or other safety-critical domains.\nLI-Hybrid","description_format":"text","description_chars":3516,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Manufacturing","Real Estate","Smart Building & Cities","Aerospace Manufacturing"],"lifecycle":[{"event":"open","at":"2026-10-10T14:05:57Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 150 · green card filings: 52","filings_12m":150,"filings_prev_12m":214,"green_card_filings_12m":52,"median_offered_wage_usd":157351,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":56},{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker; 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