{"id":457045,"url":"https://alion.io/job/fhenix-cryptographic-engineer","title":"Cryptographic Engineer","company":{"id":175626,"name":"Fhenix","domain":"fhenix.io","url":"https://alion.io/company/fhenix","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CUDA","optional":false},{"name":"HPC","optional":false},{"name":"TFHE","optional":true}],"status":"live","first_seen_at":"2025-09-13T20:38:00Z","employer_posted_date":"2026-08-13","last_verified_at":"2026-10-29T22:29:05Z","board_verified":true,"closed_at":null,"days_open":412,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":410},"description":"Job Description\nFhenix is seeking highly skilled Cryptographic Engineers to join our research team.\nWe are seeking highly skilled Cryptographic Engineers to join our research team. The ideal candidates will have strong expertise in parallel computing, and cryptographic engineering. You will work closely with our research team to implement, optimize, and accelerate cryptographic protocols on modern computing architectures, including GPUs.\nKey Responsibilities:\nFHE Implementation & Optimization: Develop and optimize implementations of Fully Homomorphic Encryption schemes.\nParallel Computing: Design and implement parallelized cryptographic algorithms, particularly for GPU-based acceleration.\nCryptographic Engineering: Develop efficient and secure implementations of cryptographic protocols in C/C++ (must) and CUDA (preferred).\nResearch Integration: Analyze cryptographic research papers and translate theoretical concepts into practical implementations.\nSelf-Management & Collaboration: Work independently while coordinating effectively with a research team to align with project goals.\nRequired Skills & Qualifications:\nAbility to manage oneself professionally, set priorities, and meet deadlines.\n Expertise in parallel computing and GPU programming (CUDA preferred).\nProficiency in CUDA or C/C++ .\nThe ability to read, understand, and implement cryptographic papers with strong mathematical orientation.\nExperience with high-performance computing (HPC) and optimizing cryptographic operations for parallel execution - advantage.\nPreferred Qualifications:\nExperience with multi-threaded programming and hardware acceleration.\nPrior experience with FHE libraries (e.g., SEAL, Lattigo, TFHE, HEAAN).\nUnderstanding of secure computation techniques beyond FHE (e.g., MPC, ZKP).\nFamiliarity with compiler optimizations for cryptographic workloads.\nIf you are passionate about cryptographic research, GPU acceleration, and cutting-edge security applications, we encourage you to apply!\nSubmit Your Application\nYou’ll do work that challenges you, with people who inspire you, and together, we’ll build something that truly matters.\nThank you! Your submission has been received!\nOops! Something went wrong while submitting the form.\n}\" class=\"div-block-10\">","description_format":"text","description_chars":2259,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain Infrastructure","Information Security"],"lifecycle":[{"event":"open","at":"2026-09-06T09:57:20Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.194,"p_room":0.28,"age_days":411,"expected_fill_days":39,"reasons":["conf:7","win:tail","crowd:"],"computed_at":"2026-10-30T05:48:23Z"},"pay":null,"html_url":"https://alion.io/job/fhenix-cryptographic-engineer","json_url":"https://alion.io/job/fhenix-cryptographic-engineer.json","meta":{"generated_at":"2026-10-30T20:49:06Z","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":11024,"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":175626},"rest":"https://alion.io/mcp/rest/get_company?id=175626"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffhenix-cryptographic-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%2Ffhenix-cryptographic-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%2Ffhenix-cryptographic-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/fhenix-cryptographic-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffhenix-cryptographic-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":457045}},{"tool":"search_jobs","arguments":{"company":"fhenix.io","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":457045},"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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