{"id":72886,"url":"https://alion.io/job/mirantis-senior-site-reliability-engineer-sre-4","title":"Senior Site Reliability Engineer (SRE)","company":{"id":5338,"name":"Mirantis","domain":"mirantis.com","url":"https://alion.io/company/mirantis","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":22,"computed_at":"2026-10-17T05:46:00Z"}},"role":"DevOps","role_family":"DevOps","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":["Sofia, Bulgaria"],"countries":["BG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":31000,"max_usd":85000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":3074},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Go","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Machine Learning","optional":false},{"name":"OpenStack","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Python","optional":false},{"name":"AWS","optional":true},{"name":"InfiniBand","optional":true},{"name":"NVLink","optional":true},{"name":"OpenShift","optional":true},{"name":"Rancher","optional":true},{"name":"VMWare","optional":true}],"status":"live","first_seen_at":"2026-08-17T14:11:28Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-18T09:18:22Z","board_verified":true,"closed_at":null,"days_open":61,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":61},"description":"About Mirantis\nMirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment-on-premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.\n We are looking for a highly experienced and driven Senior Site Reliability Engineer to join our forward-thinking cloud development and operations team. In this role, you will contribute to the design, development, and operation of sophisticated cloud-based AI solutions built on the CNCF ecosystem including Kubernetes, running on cutting-edge hardware from leading vendors. This role focuses mainly on deploying AI infrastructure built on NVIDIA-certified hardware, following architecture and implementation designs produced by our engineering team. You will play a pivotal role in ensuring the reliability, security, and performance of container infrastructure, while mentoring team members and Mirantis customers to deliver high-quality software and services. As a senior engineer, you will work closely with stakeholders to define technical strategies, solve complex challenges, and ensure the seamless integration of cloud and software services. This is an excellent opportunity to make a significant impact while driving innovation in a rapidly evolving cloud ecosystem.\nMain Responsibilities:\nWork with geographically distributed international teams on technical challenges and process improvements.\n\nDevelop, implement, maintain, and troubleshoot cloud and AI infrastructure solutions based on open source software.\n\nCollaborate with stakeholders to gather and refine technical requirements.\n\nOptimize system performance, reliability, and scalability.\n\nTroubleshoot, debug, and resolve complex technical issues.\n\nParticipate in code reviews to maintain high quality standards.\n\nStay up to date with industry trends and best practices in cloud operations and development.\n\nDesign and implement AI-driven automation across the DevOps lifecycle, including code development and maintenance.\n\nFacilitate knowledge transfer to customers during the delivery phases.\n\n 5+ years of professional experience in DevOps, with a strong focus on cloud and infrastructure technologies, including Kubernetes and/or OpenStack\n\nExperience with high-performance data center processing, networking, and storage\n\nExposure to Golang and working knowledge of other programming languages (Python, JavaScript).\n\nStrong knowledge of distributed systems, microservices architecture, and CI/CD pipelines.\n\nExceptional problem-solving and debugging skills across networking and storage (hardware and software), Linux, and Kubernetes, with attention to performance optimization and security.\n\nDemonstrated ability to lead technical tasks and collaborate effectively with diverse teams.\n\nComfortable making independent judgment calls when working directly with customers, often with limited day-to-day oversight.\n\nExcellent written and spoken English.\n\nExcellent customer-facing communication skills.\n\nA commitment to innovation, continuous learning, and delivering high-quality results.\n\nAbility to travel up to 25% if needed, including internationally.\n\nNice to have\nExtensive experience in network and/or storage architecture.\n\nExperience with high-performance computing or GPU infrastructure: GPU scheduling, MIG/vGPU, RDMA/RoCE or InfiniBand fabrics, NVLink, DCGM health-checking, GPU driver/firmware lifecycle or NVIDIA AI Enterprise.\n\nPresence in the open source community including upstream contribution and conference presentations.\n\nPrior experience with commercial container and virtual compute infrastructure platforms such as Rancher, Openshift, and VMware.\n\nEducation and Experience:\nBachelor's degree in Computer Science or a related field, or equivalent experience.\n\nAt least 5 years of DevOps or Software Development experience or in a similar role.\n\n What does Mirantis offer you?\n- Work with an established Silicon Valley leader in the cloud infrastructure industry;\n- Work with exceptionally passionate, talented and engaging colleagues, helping Fortune 500 and Global 2000 customers implement next-generation cloud technologies;\n- Be a part of cutting-edge, open-source innovation;\n- Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued;\n- Professional development and training;\n- Attend conferences and working groups;\n- Company outings, happy hours, hackathons, and tech talks;\n- Receive a competitive compensation package with a strong benefits plan.\nIt is understood that Mirantis, Inc. may use automated decision-making technology (ADMT) for specific employment-related decisions. Opting out of ADMT use is requested for decisions about evaluation and review connected with the specific employment decision for the position applied for. You also have the right to appeal any decisions made by ADMT by sending your request to \nBy submitting your resume, you consent to the processing and storage of your personal data in accordance with applicable data protection laws, for the purposes of considering your application for current and future job opportunities.\nWe are a Leader for Container Management in G2 (#2 after AWS)!\nWe are a Leader for Container Management in G2 (#2 after AWS)!","description_format":"text","description_chars":5959,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Continuous learning","Professional development"],"hiring_locations":[{"name":"Bulgaria","iso":"BG","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["DevOps & Platform Engineering","Cloud Platforms (IaaS & PaaS)"],"lifecycle":[{"event":"open","at":"2026-08-17T14:11:28Z"}],"visa":[],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.391,"p_room":0.28,"age_days":60,"expected_fill_days":22,"reasons":["conf:1","evergreen","velocity","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/mirantis-senior-site-reliability-engineer-sre-4","json_url":"https://alion.io/job/mirantis-senior-site-reliability-engineer-sre-4.json","meta":{"generated_at":"2026-10-18T11:06:06Z","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":16427,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":5338},"rest":"https://alion.io/mcp/rest/get_company?id=5338"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmirantis-senior-site-reliability-engineer-sre-4"},{"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%2Fmirantis-senior-site-reliability-engineer-sre-4"},{"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%2Fmirantis-senior-site-reliability-engineer-sre-4"},{"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/mirantis-senior-site-reliability-engineer-sre-4\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmirantis-senior-site-reliability-engineer-sre-4"}]}