{"id":3045265,"url":"https://alion.io/job/uni-systems-linux-engineer","title":"Linux Engineer","company":{"id":55545,"name":"Uni Systems","domain":"unisystems.com","url":"https://alion.io/company/uni-systems","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":89,"open_postings":7,"ghost_share":0,"stale_share":0.429,"repost_share":0,"time_to_fill_p50_days":31,"computed_at":"2026-10-27T05:46:45Z"}},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":"full_time","work_mode":"hybrid","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":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"Bash","optional":false},{"name":"ElasticSearch","optional":false},{"name":"Linux","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-10-21T00:00:00Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-27T12:11:37Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Linux Engineer to join our UniQue team, part of our Professional Services Department.\nOur UniQue people come from a variety of different backgrounds and industries, with different skillsets and approaches, but they have one thing in common: passion for technology and innovation!\nThis role is for candidates who can install, administer, and maintain Linux systems, automate operational procedures, troubleshoot complex issues, and improve the reliability, availability, and security of critical data platforms, including PostgreSQL and Elasticsearch environments.\nFor the Linux Engineer role we expect you to:\nIntegrate, administer, and maintain Linux systems, including new installations, patching, monitoring, troubleshooting, and day-to-day administration.\nDeploy, configure, and administer PostgreSQL and Elasticsearch systems, including installations, patching, monitoring, and troubleshooting.\nDesign, implement, and support Disaster Recovery (DR), High Availability (HA), and backup strategies for Linux systems.\nImplement and maintain security best practices across Linux environments.\nAutomate system administration and operational tasks using Bash scripting and Ansible.\nRequirements\nWhat do you need to succeed in this position?\nYour experience, skillset and qualifications are going to help you succeed in this position, moving forward.\nUniversity/College Degree in Computer Science, Engineering, Information Technology, or a related field.\n3+ years of proven work experience as a Unix/Linux Engineer.\nHands-on experience with PostgreSQL and/or Elasticsearch.\nSolid scripting skills in Bash and/or Python.\nBasic understanding of networking principles and security concepts.\nFamiliarity with cloud native technologies and containers.\nExperience working in highly available, enterprise, or critical infrastructure environments.\nAbility to create and maintain technical documentation.\nEffective communication skills with customers and internal stakeholders.\nExperience leveraging AI code tools to improve productivity and quality.\nExcellent written and verbal communication skills in English\nBenefits\nWhat are we offering to our UniQue IT People?\nPeople-first approach and open environment to express your ideas\nWork-life balance and a hybrid work model\nContinuous training and development\nOpportunities to join innovation initiatives\nTicket restaurant - meal vouchers\nCorporate laptop and equipment\nCorporate mobile phone subscription\nHealth and insurance plan for you and your family members\nEmployee consulting and guidance support\nDiscounts on the services and products of our Group’s companies\nGift vouchers for major life milestones\nSpecial work schedule on summer Fridays and birthdays\nOur UniQue IT people are the most valuable part of Uni Systems; their knowledge and experience have made us the leading and reliable systems integrator of today and have contributed to our steady financial growth. We have created and are maintaining a stable working environment for our employees, with countless opportunities to innovate and thrive. Our work culture recognizes our UniQue IT people and supports the free sharing of ideas and the flow of information via open communication while appreciating and effectively utilizing the talents, skills, and perspectives of each employee.\nAt Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information.","description_format":"text","description_chars":3778,"description_truncated":false,"requirements":{"experience_years_min":null,"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":["Hybrid work"],"hiring_locations":[{"name":"Greece","iso":"GR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Systems Integrators"],"lifecycle":[{"event":"open","at":"2026-10-22T00:10:11Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":6,"expected_fill_days":31,"reasons":["conf:2","velocity","win:early"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/uni-systems-linux-engineer","json_url":"https://alion.io/job/uni-systems-linux-engineer.json","meta":{"generated_at":"2026-10-27T13:31:58Z","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":1732,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":55545},"rest":"https://alion.io/mcp/rest/get_company?id=55545"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Funi-systems-linux-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%2Funi-systems-linux-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%2Funi-systems-linux-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/uni-systems-linux-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Funi-systems-linux-engineer"}]}