{"id":822669,"url":"https://alion.io/job/athenacloud-senior-systems-engineer-linux","title":"Senior Systems Engineer (Linux)","company":{"id":669922,"name":"Athena Cloud","domain":"athenacloud.io","url":"https://alion.io/company/athenacloud","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"B","score":75,"open_postings":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-04T06:34:25Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Athens, Greece"],"countries":["GR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":27000,"max_usd":74000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":3508},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"Bash","optional":true},{"name":"CentOS Stream","optional":true},{"name":"Chef","optional":true},{"name":"Configuration Management","optional":true},{"name":"Kubernetes","optional":true},{"name":"Python","optional":true},{"name":"Ruby","optional":true},{"name":"Ubuntu","optional":true}],"status":"live","first_seen_at":"2026-02-12T00:00:00Z","employer_posted_date":"2026-02-12","last_verified_at":"2026-11-04T17:09:40Z","board_verified":true,"closed_at":null,"days_open":265,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":265},"description":"Athena Cloud Limited is seeking a Senior Systems Engineer (Linux) to join our exceptional team. As a top-tier provider of Sovereign Cloud, Sovereign AI, and Sovereign Data solutions, we are committed to delivering secure and innovative services that empower our clients in their digital transformations. In this role, you will play a crucial part in the design, implementation, and maintenance of robust Linux-based systems that serve as the backbone of our cutting-edge solutions.\nYour extensive knowledge and experience in Linux environments will be pivotal in optimizing system performance, addressing complex technical challenges, and contributing to the operational excellence of our infrastructure. You will work collaboratively with other engineering teams and stakeholders to ensure seamless integration, high availability, and exceptional reliability of our systems, all within a 24x7x365 service environment.\nAs a Senior Systems Engineer, you will also have the opportunity to mentor junior engineers and lead initiatives that drive continuous improvement in our Linux operations. If you have a passion for automation, a desire to innovate, and a commitment to excellence, this is a fantastic opportunity to make a significant impact on the way we deliver our services and protect our clients' data sovereignty.\nResponsibilities\nDesign, implement, and optimize Linux-based systems for high availability and performance.\nTroubleshoot complex system issues and provide timely resolution to incidents.\nAutomate system deployments, configuration, and management using scripting and orchestration tools.\nCollaborate with cross-functional teams to integrate technologies and enhance system functionalities.\nMonitor system health and performance metrics to identify areas for improvement.\nLead initiatives focused on best practices in Linux security, performance, and reliability.\nProvide mentorship and guidance to junior engineers in Linux systems administration.\nStay updated with the latest trends and advancements in Linux technologies and open-source software.\nRequirements\nBachelor's degree in Computer Science, Information Technology, or a related field; relevant certifications in Linux administration are a plus.\n5+ years of experience in Systems Engineering with a strong focus on Linux environments.\nExtensive knowledge of Linux operating systems (e.g., CentOS, Ubuntu, RHEL) and kernel architecture.\nDemonstrated experience in system performance tuning, security hardening, and troubleshooting.\nProficient in scripting languages such as Bash, Python, or Ruby for automation tasks.\nExperience with configuration management tools (e.g., Ansible, Puppet, Chef) and orchestration platforms (e.g., Kubernetes).\nStrong understanding of networking concepts, protocols, and security measures.\nExcellent communication and collaboration skills, with the ability to work effectively in a team-oriented environment.\nPassion for technology and continuous learning, with a proactive approach to problem-solving.\nBenefits\n Standard benefits package for Athens, Greece employees\n Private healthcare add-on\n Annual hardware allowance\n Working on the protection of data sovereignty and privacy to protect people","description_format":"text","description_chars":3209,"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":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cloud Platforms (IaaS & PaaS)","Cloud Consulting & Migration"],"lifecycle":[{"event":"open","at":"2026-09-12T13:21:33Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.209,"p_room":0.28,"age_days":265,"expected_fill_days":29,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-11-04T06:34:25Z"},"pay":null,"html_url":"https://alion.io/job/athenacloud-senior-systems-engineer-linux","json_url":"https://alion.io/job/athenacloud-senior-systems-engineer-linux.json","meta":{"generated_at":"2026-11-04T23:25:36Z","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":518,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-05T00:00:00Z"}},"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":669922},"rest":"https://alion.io/mcp/rest/get_company?id=669922"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fathenacloud-senior-systems-engineer-linux"},{"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%2Fathenacloud-senior-systems-engineer-linux"},{"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%2Fathenacloud-senior-systems-engineer-linux"},{"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/athenacloud-senior-systems-engineer-linux\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fathenacloud-senior-systems-engineer-linux"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":822669}},{"tool":"search_jobs","arguments":{"company":"athenacloud.io","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":822669},"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); 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