{"id":3860145,"url":"https://alion.io/job/avsystem-2nd-line-support-engineer","title":"2nd Line Support Engineer","company":{"id":1811,"name":"AVSystem","domain":"avsystem.com","url":"https://alion.io/company/avsystem","size_band":null,"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":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":{"label":"CET","utc_offset_min":1,"utc_offset_max":1},"hiring_geo_confidence":"inferred","locations":["Kraków, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":{"min":11900,"max":15300,"currency":"PLN","period":"month","gross":null,"usd_annual":46920},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Jira","optional":false},{"name":"SRE","optional":false},{"name":"DHCP","optional":true},{"name":"DNS","optional":true},{"name":"Linux","optional":true},{"name":"PKI","optional":true},{"name":"Rest API","optional":true},{"name":"Tcpdump","optional":true}],"status":"live","first_seen_at":"2026-11-06T08:22:50Z","employer_posted_date":null,"last_verified_at":"2026-11-06T08:22:50Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"We are seeking a 2nd Line Support Engineer who will provide application support to our customers. You will collaborate with customers and internal teams to offer 2nd line support, manage technical customer issues within Service Level Agreements (SLAs), configure the application to meet customer business use cases, ensure the quality of our knowledge base, and provide feedback to product teams.\n\nYour primary focus will be on supporting the Unified Management Platform (UMP), which is a flagship product of AVSystem targeted at telecoms. It enables automatic setup, upgrades, and monitoring of all client routers and other network devices.\n\nOnce you're in the role you will\nManage customer issues related to the configuration and integration of the UMP application as the 2nd line of support\n\nEnsure and maintain high satisfaction of our clients\n\nCooperate with customers via Jira Service Management / remote meetings to solve 1st line escalations requiring application logic reconfiguration to ensure customer business use-cases are fulfilled\n\nTroubleshoot whether issues are located in our application or within surrounding systems\n\nCooperate with project management and product teams\n\nEscalate and cooperate in finding solutions with 3rd line of support in product teams\n\nPerform application reconfiguration delegated by project managers\n\nProvide insightful feedback on missing tooling to project managers, development / site reliability engineering teams\n\nEnsure high quality of our knowledge base\n\nPrepare, test and document work-around procedures and customer specific procedures for execution in the 1st and 2nd line of support\n\nIdentify and improve the insufficient application documentation areas\n\nMaintain project documentation and update it with changes introduced in the support period\n\nWork in a single shift (CET, business working hours)\n\nAfter several months of onboarding, take extra-paid 24/7 on-call support duties to handle 1st line escalations for critical application-logic related issues incoming outside of regular office hours in Poland\n\nWhat makes you an ideal candidate\n3+ years of professional experience in similar positions\n\nFluency in English (B2, C1 nice to have)\n\nGood understanding of networking protocols, network principles and technologies inter-dependencies (application, OS, routers, IP, PKI, firewalls, API, LAN, WLAN, HTTP(S), TCP/UDP, DNS, DHCP)\n\nGood Linux system administration level skills such as gathering logs, executing scripts, hands-on experience in Linux CLI tooling (ip, systemctl, curl, ssh, tcpdump, traceroute, ping, systemctl etc.)\n\nVery good troubleshooting skills and attention to details\n\nPersonality\n\nYou are Customer and Customer’s goals oriented\n\nYou’re able to work in context-switching situations, you are diligent and take responsibility to ensure progress on multiple issues at the same time\n\nYou’re analytical, so over time you’ll be able to solve harder problems on your own and give feedback on missing tools / documentation for recurring problems\n\nBonus points for\nBachelor’s degree in engineering\n\nCCNA+ level network understanding\n\nUnderstanding of complex multi-server architectures with load balancers, MongoDB, device management protocols, and REST API automation with external tools\n\nExperience in IT monitoring software – admin or user\n\nWhy work with us\nYou’ll have a chance to deepen your expertise in maintenance to help us shape the way we support critical applications for telecommunications companies\n\nYou’ll help us grow a leading Polish IoT / device management company that creates software used by tier-1 telcos (e.g. Orange, Vodafone) around the world and makes Internet connection possible for millions of end-users\n\nMany career paths and employee development options\n\nTransition to Project Manager role (application-level design / planning / deployment in the context of customer business use-case)\n\nTechnical specialization (supporting our Site Reliability Engineers by working on optimizing our monitoring infrastructure and basic system administration)\n\nSome usual stuff\n\nFlexible working hours and fully remote work after onboarding\n\nKitchen full of snacks and treats (including Good Lood ice cream)\n\nMultisport card\n\nMedical care\n\nCar parking area and bike room\n\nA relaxed work atmosphere – no dress code, no open space!\n\nTech stack\nTroubleshooting\nREST API\nLinux\nMongoDB\nEnglish\nNetwork Protocols","description_format":"text","description_chars":4392,"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":["Flexible schedule"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IoT Platforms & Solutions","Telecom Infrastructure","IoT Connectivity"],"lifecycle":[{"event":"open","at":"2026-11-06T08:53:45Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring 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