{"id":2554591,"url":"https://alion.io/job/stellar-cyber-senior-technical-support-engineer-2","title":"Senior Technical Support Engineer","company":{"id":2596,"name":"Stellar Cyber","domain":"stellarcyber.ai","url":"https://alion.io/company/stellar-cyber","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":93,"open_postings":7,"ghost_share":0,"stale_share":0,"repost_share":0.143,"time_to_fill_p50_days":83,"computed_at":"2026-10-14T06:34:16Z"}},"role":"Support","role_family":"Support","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["PT"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":30000,"max_usd":79000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":721},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"DNS","optional":false},{"name":"Edge AI","optional":false},{"name":"GCP","optional":false},{"name":"IAM","optional":false},{"name":"Linux","optional":false},{"name":"SIEM","optional":false},{"name":"TCP/IP","optional":false},{"name":"Apache Kafka","optional":true},{"name":"ElasticSearch","optional":true},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2026-10-14T18:46:23Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-15T01:58:32Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Join a fast-growing global leader in cybersecurity, trusted by some of the biggest names in the industry. In addition to some of the world’s largest enterprises and government agencies, more than 30% of the world’s top MSSPs rely on our platform. We’re at the forefront of protecting organizations against sophisticated cyber threats using cutting-edge AI and automation technologies. Our culture is built on diversity, openness, and collaboration, fostering creativity and innovation that drives real impact in the market.\nWe are seeking a Senior Technical Support Engineer to actively participate in advanced technical support operations for our market in Portugal regarding our SIEM and cybersecurity platform. This role is responsible for customer escalations, complex break-fix troubleshooting and operational excellence. The ideal candidate has deep technical expertise and thrives in high-severity incident scenarios.\nPlease note, as part of our interview process, we may invite candidates for an in-person interview to meet with our team.\nTechnical & Escalation Management:\nAct as the primary escalation point for critical and high-impact customer issues\nLead and perform hands-on troubleshooting for complex break-fix scenarios involving:\nSIEM pipelines, log ingestion, parsing, normalization\nNetwork security, IDS/IPS, endpoint, and cloud telemetry\nPerformance, scalability, and data integrity issues\nParticipate directly in support ticket rotation, including on-call and weekend coverage\nDrive root cause analysis (RCA) and ensure corrective and preventive actions are implemented\nCustomer Engagement:\nEngage directly with customers during Severity 1 / business-impacting incidents\nCommunicate clearly and confidently with security teams, architects, and leadership\nSet expectations, provide status updates, and lead incident resolution calls\nTranslate technical findings into actionable customer guidance\nCross-Functional Collaboration:\nWork closely with Engineering, Product, DevOps, and SOC teams\nAdvocate for supportability and operational readiness in new releases\nProvide feedback from customer issues to influence product improvements\nAssist with release validation, upgrades and complex customer deployments\nRequirements\nTechnical Skills:\nDeep understanding of:\nSIEM architectures and log pipelines\nNetwork protocols (TCP/IP, DNS, HTTP, Syslog)\nLinux systems, troubleshooting, and performance tuning\nHands-on experience with:\nLog parsing and normalization (regex, JSON, CEF, LEEF)\nCloud platforms (AWS, Azure, GCP)\nSecurity technologies (firewalls, IDS/IPS, EDR, IAM)\nStrong troubleshooting skills across distributed systems\nPreferred Qualifications:\nExperience supporting enterprise or MSSP customers\nBackground in SOC operations or incident response\nFamiliarity with Elasticsearch, Kafka, Kubernetes, or similar platforms\nExperience operating in 24×7 global support environments\nExperience:\n5+ years of experience in technical support, systems engineering, or security operations\nStrong background in SIEM, cybersecurity, or large-scale observability platforms\nPortuguese fluency is a must for this role.","description_format":"text","description_chars":3125,"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":"Portuguese","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Portugal","iso":"PT","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Information Security","Security 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