{"id":2267445,"url":"https://alion.io/job/a1-bulgaria-second-level-billing-systems-support-specialist","title":"Second Level Billing Systems Support Specialist","company":{"id":312367,"name":"A1 Bulgaria","domain":"a1.bg","url":"https://alion.io/company/a1-5","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Support","role_family":"Support","seniority":"junior","employment_type":null,"work_mode":"on_site","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":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"SQL","optional":false},{"name":"Unix","optional":false},{"name":"ITIL","optional":true},{"name":"Perl","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-09-29T13:56:00Z","employer_posted_date":null,"last_verified_at":"2026-09-29T13:56:00Z","board_verified":false,"closed_at":null,"days_open":26,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":26},"description":"Strength. Care. Growth\n\nDid you know that A1 Bulgaria is working on international projects as well?\n\nOur wide portfolio has long past the telecom services, and we are now offering digital solutions to millions of corporate, public, and private customers.\n\nState-of-the-art technology, the latest innovations, and extremely talented professionals in various areas help us deliver the best-in-class products, services, and customer experience.\n\nYou’ll know A1 Bulgaria is the right place for you if you are driven by:\n\nOpportunities to learn and build your career.\n\nMeaningful work in a stable and fast-paced company.\n\nDiversity of people, projects, and platforms.\n\nA supportive, fun, and inspiring place to work.\n\nWould you like to join us?\n\nIvaylo Petrov is looking for a new team member.\n\nYour daily routine would include:\n\nAdminister, monitor and maintain the supported systems in operation within the required parameters (availability, performance).\n\nSupport testing and production environments, deploy builds and fixes, sanity testing and troubleshooting.\n\nPrepare and execute tasks related to billing/rating/batch processing.\n\nMonitor application servers and workload.\n\nHandle incidents (analyze logs, errors handling, finding resolutions or workarounds within the specified SLAs/OLAs).\n\nWork with ticketing system to resolve reported problems or submit such to responsible units in case of failures or tasks.\n\nPrepare regular and ad-hoc reports.\n\nSOX controls execution.\n\nDevelop tools/scripts to automate routine operational tasks.\n\nAbility to take up on-call shifts.\n\nMaintain system documentation.\n\nWe’ll know you can make it if you have:\n\nAt least 1 year of working experience in monitoring/reporting/supporting applications.\n\nSQL Knowledge (Oracle) is a must.\n\nUnix/Linux experience is a must.\n\nUniversity degree in the field of IT/Telecommunication or any other relevant.\n\nFluency in English – written and spoken.\n\nNice to have:\n\nAny knowledge and/or experience with UC4 (Automic), Job Scheduling.\n\nAdvanced Scripting Knowledge e.g. Perl, Python, Shell, Kshell etc.\n\nITIL (Incident-, Problem-, Change-, Deployment-, Event-Management).\n\nKnowledge of 2-tier or 3-tier applications – J2EE servers and applications experience.\n\nFluency in German.\n\nOur gratitude for the job done will be eternal, but we’ll also offer you:\n\nInnovative technologies and platforms to “play” with.\n\nModern working environment for your comfort.\n\nFriendly, ambitious, and motivated teammates to support each other.\n\nThousands of online and in-person learning opportunities to grow.\n\nChallenging assignments and career development opportunities in multinational environment.\n\nAttractive remuneration package.\n\nFlexible working schedule and opportunity for home office.\n\nNumerous additional goodies, including, but not limited to free A1 services, discounts, health insurance and services, sports center, childcare, team and family events, etc.\n\nNot sure yet? See us in action in our A1 Blog.\n\nSounds good? Apply now!\n\nOnly shortlisted candidates will be contacted.","description_format":"text","description_chars":3048,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Health insurance","Home office"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Smartphones"],"lifecycle":[{"event":"open","at":"2026-10-11T06:29:33Z"}],"visa":[],"liveness":{"score":47,"band":"ok","label":"Likely open","p_open":0.85,"p_active":0.73,"p_room":0.75,"age_days":26,"expected_fill_days":27,"reasons":["seen:26","velocity","win:late","comp:junior"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/a1-bulgaria-second-level-billing-systems-support-specialist","json_url":"https://alion.io/job/a1-bulgaria-second-level-billing-systems-support-specialist.json","meta":{"generated_at":"2026-10-26T13:12:28Z","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":18369,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":312367},"rest":"https://alion.io/mcp/rest/get_company?id=312367"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fa1-bulgaria-second-level-billing-systems-support-specialist"},{"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%2Fa1-bulgaria-second-level-billing-systems-support-specialist"},{"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%2Fa1-bulgaria-second-level-billing-systems-support-specialist"},{"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/a1-bulgaria-second-level-billing-systems-support-specialist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fa1-bulgaria-second-level-billing-systems-support-specialist"}]}