{"id":968803,"url":"https://alion.io/job/accenture-telecom-core-security-engineer","title":"Telecom Core Security Engineer","company":{"id":271,"name":"Accenture","domain":"accenture.com","url":"https://alion.io/company/accenture","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":2045,"ghost_share":0.001,"stale_share":0.107,"repost_share":0.005,"time_to_fill_p50_days":5,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lisbon, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":36000,"max_usd":86000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":714},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-16T16:21:37Z","employer_posted_date":"2026-09-16","last_verified_at":"2026-10-19T17:53:38Z","board_verified":true,"closed_at":null,"days_open":33,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":33},"description":"Job Description:\nWe are seeking a Telecom Core Security Engineer to support cybersecurity and transformation initiatives for mobile network operators. The ideal candidate will bring strong expertise in telecom core network architectures, protocols, and operational environments from legacy mobile networks through to 5G Standalone deployments.\nThis role will support cybersecurity engagements focused on securing modern telecommunications infrastructures.\nKey Responsibilities\nProvide technical expertise on mobile core network architectures.\n\nSupport security assessments of telecom networks and services.\n\nAnalyze network designs and identify security risks affecting telecom infrastructures.\n\nSupport troubleshooting and technical investigations involving mobile network protocols.\n\nParticipate in transformation and modernization initiatives involving 4G and 5G networks.\n\nCollaborate with security consultants, SOC teams, and client stakeholders.\n\nContribute to telecom security architecture reviews and recommendations.\n\nJob Qualifications:\nMinimum 3 years of experience in telecom core engineering.\n\nUnderstanding of telecom architecture on radio (2G, 3G, 4G and 5G) and core (voice, data, IMS, 5G SA). Experience in voice and/or data core networks and communication flows.\n\nKnowledge of telecom signaling and core protocols including: SS7, Diameter, GTP, SIP/IMS, 5G SBI\n\nUnderstanding of roaming and interconnect concepts.\n\nUnderstanding of telecommunications security principles and solutions applied to prevent and detect risks.\n\nMobility and willingness to travel.\n\nExperience with mobile operators or telecom vendors.\n\nExposure to telecom security technologies such as: Signalling Firewalls; SEPP; Fraud Management; Telecom Threat Detection & Lawful Interception\n\nKnowledge of GSMA security standards and security requirements applied to telcos (eg, NIS2, TSA)\n\nExperience supporting security audits or risk assessments.\n\nFluent in Portuguese and English (written and spoken).\n\nAbout Accenture\nAccenture is a leading global professional services company that helps the world’s leading businesses, governments and other organizations build their digital core, optimize their operations, accelerate revenue growth and enhance citizen services-creating tangible value at speed and scale. We are a talent- and innovation-led company with approximately 791,000 people serving clients in more than 120 countries. Technology is at the core of change today, and we are one of the world’s leaders in helping drive that change, with strong ecosystem relationships. We combine our strength in technology and leadership in cloud, data and AI with unmatched industry experience, functional expertise and global delivery capability. Our broad range of services, solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Song, together with our culture of shared success and commitment to creating 360° value, enable us to help our clients reinvent and build trusted, lasting relationships. We measure our success by the 360° value we create for our clients, each other, our shareholders, partners and communities.Visit us atwww.accenture.com\nDeclaração de Igualdade de Oportunidades de Emprego\nAcreditamos que ninguém deve ser discriminado por suas diferenças. Todas as decisões de contratação devem ser tomadas sem distinção de idade, raça, credo, cor, religião, sexo, nacionalidade, ascendência, deficiência, condição de veterano militar, orientação sexual, identidade ou expressão de gênero, informação genética, estado civil, cidadania ou qualquer outra condição protegida pela legislação aplicável. Nossa rica diversidade nos torna mais inovadores, competitivos e criativos, o que nos ajuda a atender melhor nossos clientes e nossas comunidades.","description_format":"text","description_chars":3781,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Portuguese","level":"Advanced (C1)","optional":false},{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Systems Integrators","Business Process Outsourcing (BPO)","Management Consulting"],"lifecycle":[{"event":"open","at":"2026-09-16T16:21:37Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.267,"p_room":0.35,"age_days":32,"expected_fill_days":5,"reasons":["conf:1","velocity","win:tail","comp:brand"],"computed_at":"2026-10-19T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/accenture-telecom-core-security-engineer","json_url":"https://alion.io/job/accenture-telecom-core-security-engineer.json","meta":{"generated_at":"2026-10-19T18:16:40Z","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":14059,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-20T00:00:00Z"}},"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":271},"rest":"https://alion.io/mcp/rest/get_company?id=271"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Faccenture-telecom-core-security-engineer"},{"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%2Faccenture-telecom-core-security-engineer"},{"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%2Faccenture-telecom-core-security-engineer"},{"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/accenture-telecom-core-security-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faccenture-telecom-core-security-engineer"}]}