{"id":3423189,"url":"https://alion.io/job/it-search-network-security-engineer-financial-services-dublin-2","title":"Network Security Engineer – Financial Services, Dublin 2","company":{"id":693439,"name":"IT Search","domain":"itsearch.ie","url":"https://alion.io/company/itsearch","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"A","score":90,"open_postings":13,"ghost_share":0,"stale_share":0.385,"repost_share":0,"time_to_fill_p50_days":45,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":70000,"max_usd":134000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":13},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bash","optional":false},{"name":"DNS","optional":false},{"name":"Linux","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-28T21:33:03Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-09T19:52:33Z","board_verified":true,"closed_at":null,"days_open":11,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":11},"description":"Job Details\nExperience: 5-7 Years\nSector: \nclass=\"tax-link tax-link--last\">\nNetwork Security Engineer\nNetwork Security Engineer - Financial Services, Dublin 2\nOur client is a global Financial Institution, with its Dublin base managing acting as European hub for various subsidiaries. They have engaged us to speak to Network Security Engineers with broad skills across Networks, Firewalls, Servers and Threat Analysis to join their growing team in Dublin 2.\nThe role:\nJoin the existing team of Security Engineers to configure and upgrade network infrastructure as well as firewall maintenance, load balancing issues and DNS\nManage ongoing upgrades across routers/switches and configuration issues\nAct as part of the Threat Analysis and Prioritisation team, scanning and ticketing\nWork across Windows and Linux platforms, identifying and addressing vulnerabilities\nTake responsibility for all related documentation\nParticipate in on call troubleshooting rotation when required\n\nRequirements:\n5+ years of hands on commercial experience within a regulated industry\nCisco Certifications advantageous alongside network upgrade experience\nProven track record of vulnerability assessment and related actions\nCross platform knowledge (Windows/Linux)\nAutomation tools, including Python/Bash/PowerShell\nExceptional communication skills\nPlease note we can only accept applications from candidates eligible to work in the EU.\nApply Now\nConsultant detail\n\ntype=\"image/webp\">\nclass=\"team-card-job__img\" width=\"300\" height=\"300\">\n\nRuadhri McGarry\nAssociate Director\nteam-card-job__col--line\">\n\nclass=\"team-card-job__link\">\n+353 01 507 9264\n\nclass=\"team-card-job__link\">\n\n\nConnect with 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