{"id":3478825,"url":"https://alion.io/job/semperis-senior-c-engineer","title":"Senior C++ Engineer","company":{"id":685815,"name":"Semperis","domain":"semperis.com","url":"https://alion.io/company/semperis","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":88,"open_postings":4,"ghost_share":0,"stale_share":0.5,"repost_share":0,"time_to_fill_p50_days":43,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Tel Aviv, Israel"],"countries":["IL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"LDAP","optional":false},{"name":"WinDbg","optional":false},{"name":"Windows","optional":false},{"name":"Assembly","optional":true}],"status":"live","first_seen_at":"2026-10-29T16:45:03Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-10-30T08:04:56Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"At Semperis, our mission is to be a Force for Good. Starting with being a great place to work. We believe that when people feel valued, supported, and empowered, they do their best work. That’s why we focus on creating an employee experience rooted in purpose, growth, and balance. Semperis has been recognized as one of America’s Fastest-Growing Cybersecurity Companies by the Inc. 5000, a DUNS 100 Top Startup to Work For, and a multi-year Inc. Best Workplace awardee.\nWe are seeking an experienced Senior C++ Software Engineer with strong\nsystem-level programming expertise and advanced troubleshooting capabilities.\nThe ideal candidate will have a deep knowledge of Windows internals and be\npassionate about solving complex technical challenges.\nKey Responsibilities:\nDesign and implement high-performance C++ applications while maintaining code quality and system stability\n\nPerform advanced crash dump analysis and BSOD investigations\n\nDevelop and maintain secure authentication implementations using Windows security protocols\n\nCollaborate with cross-functional teams to diagnose and resolve critical technical issues\n\nMentor junior developers in system-level programming and\ntroubleshooting methodologies\nRequired Qualifications:\nBachelor's degree in Computer Science, Software Engineering, or related field\n\n5+ years of professional experience in C++ development with demonstrated senior-level expertise\n\nExpert-level knowledge of Windows internals and system architecture\n\nAdvanced proficiency in WinDbg for crash dump analysis, including:\nStrong understanding of x64 architecture\n\nExtensive experience with WIN32 API\n\nAbility to analyze and resolve BSOD issues\n\nDeep knowledge of Windows Authentication Architecture:\nSSPI\n\nKerberos protocol implementation\n\nLDAP protocol and directory services\n\nExtensive experience with:\nRPC\n\nDCOM\n\nStrong understanding of memory management, thread synchronization, and system resource optimization\n\nWhy Join Semperis? \nYou’ll be part of a global team on the front lines of cybersecurity innovation. At Semperis, we celebrate curiosity, integrity, and people who take initiative. If you’re someone who sees the glass as half full, embraces challenges as growth opportunities, and values a healthy balance between work and life-we’d love to meet you.\n**Semperis maintains office locations in several cities across the globe. Where the job description specifies a required location, candidates will follow our hybrid work model. This includes working up to three days per week and remotely the remaining days.\nSemperis is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, creed, national origin or ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, marital status, or any other legally recognized protected basis under federal, state, or local law. The information collected by the Semperis application is solely to determine suitability for employment, verify identity, and maintain employment statistics.\nApplicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and/or other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on Semperis. Please inform Semperis representative Anna Taylor, Director of Global Recruiting, if you need assistance completing this application or to otherwise participate in the application process.","description_format":"text","description_chars":3683,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Growth opportunities","Hybrid work"],"hiring_locations":[{"name":"Israel","iso":"IL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Identity Management","Incident Response"],"lifecycle":[{"event":"open","at":"2026-10-29T19:35:22Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":43,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-30T05:48:23Z"},"pay":null,"html_url":"https://alion.io/job/semperis-senior-c-engineer","json_url":"https://alion.io/job/semperis-senior-c-engineer.json","meta":{"generated_at":"2026-10-30T08:53:50Z","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":12760,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":685815},"rest":"https://alion.io/mcp/rest/get_company?id=685815"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsemperis-senior-c-engineer"},{"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%2Fsemperis-senior-c-engineer"},{"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%2Fsemperis-senior-c-engineer"},{"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/semperis-senior-c-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsemperis-senior-c-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3478825}},{"tool":"search_jobs","arguments":{"company":"semperis.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3478825},"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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