{"id":489854,"url":"https://alion.io/job/frequentis-rou-performance-engineer-r10-faa-voice","title":"ROU_Performance Engineer - R10 FAA VoICE","company":{"id":54731,"name":"Frequentis","domain":"frequentis.com","url":"https://alion.io/company/frequentis","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"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":"Cassandra","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"etcd","optional":false},{"name":"Gatling","optional":false},{"name":"Grafana","optional":false},{"name":"k6","optional":false},{"name":"Kubernetes","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-09-06T23:50:29Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-11-11T12:05:22Z","board_verified":true,"closed_at":null,"days_open":65,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":65},"description":"WHY FREQUENTIS\nWE ARE LOOKING FOR\nWE OFFER\nJOBS\nApply now\nPerformance Engineer - R10 FAA VoICE\nAir Traffic Management\nCluj-Napoca, Cluj FREQUENTIS Romania SRL From now on\nFull time\n:\nShare:\nShare\nJob Introduction\nThe Frequentis Group is an international supplier of communication and information systems for control centres with safety-critical tasks. These ‘Control Centre Solutions’ are developed and distributed by Frequentis in the business segments Air Traffic Management (civil and military air traffic control, aeronautical information management, air defence) and Public Safety & Transport (police, fire and rescue services, emergency medical services, vessel traffic and railways). With headquarters in Vienna, the company employs more than 1800 people worldwide, with subsidiaries, regional offices and representatives in over 50 countries. In Cluj we started in 2009 and our local team currently has 250+ colleagues and is growing.\nAs part of our team, you will actively develop products in an international environment, where experienced people will help you further develop your skills and advance in your career.\nYou will work for X10 FAA project which is Frequentis’ innovative voice communication solution based on a state-of-the-art service-oriented architecture, facilitating the transition of pure ATM-based voice communications to Unified Aeronautical Communications for the FAA (Federal Aviation Administration). Operating on the Frequentis MosaiX platform, it can easily be integrated with other technologies from the Frequentis portfolio to deliver strong operational benefits.\nKey Tasks\nDesign, implement, and maintain load testing frameworks for microservices-based applications\nCreate and execute performance, load, stress, spike, and endurance tests\nSimulate realistic user traffic and system usage patterns across distributed services\nDefine scalability test scenarios based on expected business growth and production workloads\nIdentify performance bottlenecks in microservices, APIs, databases, messaging systems, and infrastructure.\nMonitor system behavior under load, including CPU, memory, network, disk I/O, and container resources\nAnalyze service response times, throughput, latency, error rates, and resource utilization\nValidate horizontal and vertical scaling mechanisms (Kubernetes, auto-scaling groups, cloud-native scaling)\nVerify system stability and resilience during peak traffic conditions. \nTest scalability of service-to-service communication and message queues. \nEstablish and maintain performance KPIs, SLAs, and scalability targets. \nIntegrate automated performance tests into CI/CD pipelines\nConfigure and enhance observability solutions (RabitMQ, Grafana, ELK, etc.). \nProduce performance reports and recommendations for architecture improvements\nSupport root-cause analysis of performance issues found during testing or production incidents\nEvaluate the scalability impact of new features before release\nContinuously improve load testing methodologies, tooling, and automation\nWork closely with architects and developers to ensure scalability requirements are met throughout the development lifecycle\nKey Qualifications\nBachelor's or Master's degree in Computer Science, Software Engineering, Information Technology, or a related field. \n5+ years of experience in DevOps, Site Reliability Engineering (SRE), Performance Engineering, or a similar role.\nStrong scripting skills using Python, Bash, PowerShell, or similar languages\nStrong understanding of microservices architectures, REST APIs, and distributed systems\nExperience with Kubernetes, Docker, and containerized environments\nExperience with K6, Gatling, Artillery or similar load test tools.\nFamiliarity with distributed databases, message brokers, and key-value stores (e.g., Apache Cassandra, RabbitMQ, etcd, or comparable technologies) is highly desirable.\nKnowledge of auto-scaling, high-availability, and fault-tolerant system design principle\nExperience analyzing application and infrastructure performance metrics\nIP networking know-how \nPractical experience with CI/CD, and automation to improve efficiency in day-to-day development \nFamiliar with cloud-native concepts including experience with service-oriented architecture and infrastructure as code solutions \nPositive mindset towards DevOps, agility, and teamwork \nOpenness to new technologies and willingness to learn niche technologies used in safety-critical environments \nWillingness to work with cross-cultural teams in a safety-critical environment \nGood English skills (both written and spoken) \nOur Values\nFrequentis team is committed to creating a safer world with our innovative strength and technology orientation. At Frequentis Romania we are a family, while we value and work under a safety-critical mindset. We believe in courage and expertise, applied in everything we accomplish.\nBenefits\nWe offer a range of benefits focused on work-life balance, professional development and flexibility.\n PRIVATE MEDICAL SPORT LUNCH EXTRA EXTRA PUBLIC TRANSPORT\n CERTIFICATIONS TRAININGS UNEQUAL WORK PRIVATE INSURANCE PACKAGE TICKETS VACATION DAYS WINTER HOLIDAY SUBSCRIPTION WORKING HOURS FROM HOME PENSION \nBenefits\nWe offer a range of benefits focused on work-life balance, professional development and flexibility.\n PRIVATE MEDICAL SPORT LUNCH EXTRA EXTRA PUBLIC TRANSPORT\n CERTIFICATIONS TRAININGS UNEQUAL WORK PRIVATE INSURANCE PACKAGE TICKETS VACATION DAYS WINTER HOLIDAY SUBSCRIPTION WORKING HOURS FROM HOME PENSION \nSalary\nYour individual salary is based on your professional experience and qualifications and is part of our attractive total package.\n\nApply now\nDiscover the best way of working\n\nSonia-Oana Campean-Diaconescu\nHuman Resources\n| \n| Social media contact\nYour skills matter, but so does your story. I’m here to make your candidate journey smooth, transparent, and positive, so you can focus on showing your true potential.\nJoin us and let's work together for a safer world!\nApply now\nAt Frequentis we don’t just create innovations,we create a kind of wonderto make the world a safer place.\nREAD MORE ABOUT FREQUENTIS\nCAREER AWARDS","description_format":"text","description_chars":6160,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Events & Ticketing","Drones & UAVs","Public Transport"],"lifecycle":[{"event":"open","at":"2026-09-06T23:50:29Z"}],"visa":[],"liveness":{"score":18,"band":"cold","label":"Long shot","p_open":1,"p_active":0.641,"p_room":0.28,"age_days":65,"expected_fill_days":30,"reasons":["conf:3","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-11T05:49:22Z"},"pay":null,"html_url":"https://alion.io/job/frequentis-rou-performance-engineer-r10-faa-voice","json_url":"https://alion.io/job/frequentis-rou-performance-engineer-r10-faa-voice.json","meta":{"generated_at":"2026-11-11T14:13:37Z","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":26149,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"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":54731},"rest":"https://alion.io/mcp/rest/get_company?id=54731"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffrequentis-rou-performance-engineer-r10-faa-voice"},{"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%2Ffrequentis-rou-performance-engineer-r10-faa-voice"},{"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%2Ffrequentis-rou-performance-engineer-r10-faa-voice"},{"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/frequentis-rou-performance-engineer-r10-faa-voice\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffrequentis-rou-performance-engineer-r10-faa-voice"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":489854}},{"tool":"search_jobs","arguments":{"company":"frequentis.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":489854},"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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