{"id":4341928,"url":"https://alion.io/job/tesonet-cybersecurity-analyst","title":"Cybersecurity Analyst","company":{"id":56358,"name":"Tesonet","domain":"tesonet.com","url":"https://alion.io/company/tesonet","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Security","role_family":"Security","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":["Vilnius, Lithuania","Kaunas, Lithuania"],"countries":["LT"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":2800,"max":4700,"currency":"EUR","period":"month","gross":true,"usd_annual":62208},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ElasticSearch","optional":false},{"name":"GraphQL","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"SIEM","optional":false},{"name":"Splunk","optional":false},{"name":"Wazuh","optional":false},{"name":"Akamai","optional":true},{"name":"AWS","optional":true},{"name":"AWS WAF","optional":true},{"name":"Azure","optional":true},{"name":"Burp Suite","optional":true},{"name":"Cloudflare","optional":true},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2026-11-15T02:38:31Z","employer_posted_date":null,"last_verified_at":"2026-11-15T02:38:31Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Job Description\nSource is an ecosystem of independent technology companies behind responsible access to web data. Source works behind the scenes, providing shared standards and dedicated support that help each company grow. The culture follows the same idea: colleagues work across the ecosystem, share what they know, and hold a high bar, so a good idea in one place can create an advantage everywhere.\n\nThe security team is responsible for safeguarding our infrastructure and applications against an ever-evolving landscape of cyber threats. As a Cybersecurity Analyst, you will be on the front lines of our operations, actively managing our SIEM environments and leading incident response efforts. With our data ecosystem rapidly expanding, scaling our security monitoring and automated detection capabilities is more timely and critical than ever. Your work here directly ensures the integrity of our complex data operations, keeping our products secure and our global customers protected.\n\nIn this role, you will:\n\nMonitor, triage, and investigate alerts from the SIEM (Wazuh/Elasticsearch) and other security tools, separating true positives from noise.\n\nRun incident response steps: containment, evidence collection, root cause analysis, and remediation follow-up.\n\nBuild, tune, and maintain detection rules and decoders for various attack scenarios in Wazuh and Elasticsearch.\n\nOnboard and normalize new log sources to expand our visibility.\n\nContinuously improve SOC operations by identifying gaps in detection logic, playbooks, and triage workflows.\n\nHelp assess and validate external pentest and bug bounty reports.\n\nRequirements\n\n2-4 years of experience working in security operations, incident response, or application security.\n\nExperience with SIEM platforms (Wazuh, Elastic/ELK, Splunk, or similar), including writing queries and detection rules.\n\nScripting skills (Python, Bash, or similar) for automation, log parsing, and building testing tools.\n\nStrong understanding of web technologies and how they are attacked, including HTTP/S, session management, authentication protocols (OAuth 2.0, OIDC, JWT), REST and GraphQL APIs, and browser security controls (SOP, CORS, CSP).\n\nKnowledge and practical experience of OWASP Top 10 exploitation.\n\nNice to have\n\nCertifications such as OSCP, OSWE, BSCP (Burp Suite Certified Practitioner), eWPT/eWPTX, GWAPT, GCIH, or CySA+.\n\nExperience with WAFs, bot management, or anti-abuse systems (Cloudflare, Akamai, AWS WAF, or similar).\n\nExperience with cloud environments (AWS, GCP, Azure) and containerized apps (Docker, Kubernetes).\n\nFamiliarity with Elastic Fleet/Agent and Wazuh rule and decoder development.\n\nCompany offers\n\nGrowth & Learning: 40+ internal learning options, external conferences, mentorship, and year-round knowledge-sharing.\n\nHealth & Well-being: Private health insurance, psychotherapy, on-site well-being consultants, 24/7 gym access, and a wellness app.\n\nCelebration & Community: Team events, an overseas workation, quarterly team-building budgets, and plenty of ways to mark milestones together.\n\nBonus vacation days, paid life-moment days off, barista coffee, and all the tools you need.\n\nCyber City office perks\n\nHybrid work (3 office days / 2 WFH) & WFA options\n\nLatest tools, gadgets & tech stack\n\nExtra day off\n\nInclusive family-related time-off policy\n\n24/7 gym\n\nPhysical well-being specialists\n\nPsychologist/psychotherapist sessions\n\nVast internal & external learning resources\n\nGuilds, communities & 800+ professionals by your side\n\nSource network & knowledge sharing\n\nYearly workation\n\nYear-round internal & Source community events\n\nTeam building 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