{"id":299988,"url":"https://alion.io/job/crowdstrike-sr-engineer-ii-windows-sensor-remote-eur","title":"Sr. Engineer II - Windows Sensor (Remote, EUR)","company":{"id":2153,"name":"CrowdStrike","domain":"crowdstrike.com","url":"https://alion.io/company/crowdstrike","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":97,"open_postings":38,"ghost_share":0,"stale_share":0.105,"repost_share":0,"time_to_fill_p50_days":35,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Bucharest, Romania","Aarhus, Denmark","London, United Kingdom","United Kingdom","Romania"],"countries":["RO","DK","GB"],"hiring_countries":["GB","DK","IE","RO"],"hiring_countries_total":4,"salary":null,"salary_estimate":{"min_usd":61000,"max_usd":105000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":12},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Crowdstrike","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"TCP/IP","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2025-12-23T00:00:00Z","employer_posted_date":"2025-12-23","last_verified_at":"2026-11-08T13:35:55Z","board_verified":true,"closed_at":null,"days_open":320,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":320},"description":"As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed - we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We’re also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. We’re always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters? The future of cybersecurity starts with you.\nAbout the Role:\nCrowdStrike Falcon Host is a two-component security product. One component is a “sensor ”, which is a driver installed on client machines that observes system activity and recognizes malicious behavior, then provides on-box prevention capability and remote telemetry to the Falcon Host cloud. The cloud component aggregates sensor telemetry for each customer’s network can correlate malicious behavior across multiple machines and presents our customers’ operations teams with a prioritized summary of the threats detected in their environments.\nJoin CrowdStrike and become a key leader in building the most innovative endpoint security solution in the world. Our sensor development team is responsible for building the endpoint sensor which deploys on multiple platforms including Windows, Mac, and Linux. As a Senior II Software Engineer, you will be expected to have ownership over major components and development projects.\nYou will be required to assist with architecting solutions and support in implementing our core features. Features will cross-cut most core OS subsystems such as file system, memory and process, and networking.\nMany features are also built in a way that they will have shared components across multiple platforms.\nYou need to be able to lead projects efficiently while maximizing performance and minimizing costs, making sure high standards are being followed when it comes to design, coding quality, and unit and component testing.\nLocation: The role is open remotely in Romania, UK, Ireland, Denmark.\nWhat You'll Do:\nProvide partnership in the windows kernel mode sensor development team involved in architecture, strategy, in building and improving next-generation Anti-Virus and Enhanced.\n\nDetection and Response Security Software.\n\nDevelop new product concepts.\n\nSupport development teams in designing and building software with cross-platform deliverables (Windows, Mac, Linux).\n\nOwn features from design to delivery including participation in product demo at the end of the sprint.\n\nCollaborate with multi-functional teams in various locations.\n\nWhat You'll Need:\nIn depth knowledge with C++ and Windows OS Kernel Development.\n\nStrong low-level OS internals in either Windows, Mac OS, or Linux.\n\nExperience debugging memory corruptions, process contentions and system performance.\n\nExperience working with teams to ship major features and releases.\n\nLead, mentor, communicate, collaborate, and work effectively in a distributed team.\n\nPreferred Requirements:\nOS system expertise for core concepts and subsystems such as WFP, TCP/IP, USB, file systems etc.\n\nKnowledge in Security.\n\nStrong background in scalable, light-weight and highly performing systems.\n\nFamiliarity and experience with Agile process.\n\nFamiliarity with source control systems such as Git\n\nBenefits of Working at CrowdStrike:\nMarket leader in compensation and equity awards\n\nComprehensive physical and mental wellness programs\n\nCompetitive vacation and holidays for recharge\n\nPaid parental and adoption leaves\n\nProfessional development opportunities for all employees regardless of level or role\n\nEmployee Networks, geographic neighborhood groups, and volunteer opportunities to build connections\n\nVibrant office culture with world class amenities\n\nGreat Place to Work Certified™ across the globe\n\nCrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.\nCrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs--on valid job requirements.\nIf you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at  for further assistance.","description_format":"text","description_chars":5736,"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","Professional development","Wellness"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"},{"name":"Denmark","iso":"DK","kind":"country"},{"name":"Ireland","iso":"IE","kind":"country"},{"name":"Romania","iso":"RO","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Threat Intelligence","Endpoint Security","Security Operations"],"lifecycle":[{"event":"open","at":"2026-09-05T15:02:18Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-11-08T10:45:15+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":1,"band":"cold","label":"Long shot","p_open":1,"p_active":0.05,"p_room":0.28,"age_days":320,"expected_fill_days":35,"reasons":["conf:3","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/crowdstrike-sr-engineer-ii-windows-sensor-remote-eur","json_url":"https://alion.io/job/crowdstrike-sr-engineer-ii-windows-sensor-remote-eur.json","meta":{"generated_at":"2026-11-08T17:13:02Z","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":36205,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":2153},"rest":"https://alion.io/mcp/rest/get_company?id=2153"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcrowdstrike-sr-engineer-ii-windows-sensor-remote-eur"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fcrowdstrike-sr-engineer-ii-windows-sensor-remote-eur"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fcrowdstrike-sr-engineer-ii-windows-sensor-remote-eur"},{"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/crowdstrike-sr-engineer-ii-windows-sensor-remote-eur\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcrowdstrike-sr-engineer-ii-windows-sensor-remote-eur"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":299988}},{"tool":"search_jobs","arguments":{"company":"crowdstrike.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":299988},"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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