{"id":3978667,"url":"https://alion.io/job/ntt-senior-cybersecurity-engineer","title":"Senior Cybersecurity Engineer","company":{"id":121,"name":"NTT","domain":"global.ntt","url":"https://alion.io/company/ntt","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":76,"open_postings":239,"ghost_share":0,"stale_share":0.954,"repost_share":0.004,"time_to_fill_p50_days":24,"computed_at":"2026-11-10T06:52:35Z"}},"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":"structured","locations":["Capellen, Luxembourg"],"countries":["LU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DNS","optional":true},{"name":"Service Desk","optional":true},{"name":"SIEM","optional":true}],"status":"live","first_seen_at":"2026-11-09T19:00:20Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-10T18:11:25Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Make an impact with NTT DATA\nJoin a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion - it’s a place where you can grow, belong and thrive.\nYour day at NTT DATA \nThe Senior Security Engineer is a developing subject matter expert, responsible for ensuring that client solution requirements are resolved in line with Service Level Agreements (SLAs). \nThis role performs configurations, actions installations and attends to break/fix events.\nKnowledge and Attributes:\nAdvanced understanding and appreciation of technical design and business principles.\nAdvanced project fundamental and administration ability which are demonstrated in the execution of installations and other assignments.\nAdvanced customer engagement skills.\nAdvanced relevant domain specialist knowledge.\nExcellent verbal communication skills.\nClient focused and displays a proactive approach to solving problems.\nAdvanced ability to coach, mentor and provide guidance to team members.\nAbility to take ownership as technical lead during project lifecycle.\nExcellent English communication skills, proficiency in French is a plus.\nRequired experience:\nAdvanced work experience in technical implementation engineering, specific to Cyber Security technologies.\nExperience in Cyber Security technologies such as Firewalling, SASE, ZTNA, DNS Security, SIEM, WAF, ...\nAdvanced experience engaging with clients and conducting presentations.\nAdvanced report writing experience.\nAdvanced good project management experience.\nAdvanced experience in diagnosis and troubleshooting.\nAcademic Qualification and Certifications:\nBachelor's degree or equivalent in Information Technology or Computing or related field.\nProfessional level certification in different security technologies such as Cisco, Palo Alto, Checkpoint, Fortinet, F5, ...\nKey Responsibilities:\nInteracts with clients on site and remote to meet more complex requirements of a solution.\nEscalates unresolved problems and issues to the relevant third parties.\nDelegates lower complexity tasks to engineers and technicians.\nAssumes responsibility for the coordination of the activities of the engineers, in line with performance targets, leading by example and monitoring the quality of engineer's and technician's work when required.\nWrites reports and proposals and completes and maintains project documentation.\nAssists with the documentation of standard operating procedures relating to installations and fixes.\nActs as coach and mentor to more junior Implementation Engineers and Technicians.\nAssumes responsibility for the coordination of the activities of the Engineers, in line with performance targets.\nMay be required to serve periodically on the customer service desk, providing third line telephonic, remote and on-site support and problem management.\nIncluded in complex design work, with input to the design expected.\nExpected to take ownership of relevant technologies according to domain or specialization.\nEngages vendors for priority escalations or bugs found during\nWorkplace type:\nAbout NTT DATA\nNTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune\nGlobal 100. We are committed to accelerating client success and positively impacting society through\nresponsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with\nunmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and\napplication services. Our consulting and industry solutions help organizations and society move\nconfidently and sustainably into the digital future. As a Global Top Employer, we have experts in more\nthan 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as\nestablished and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each\nyear in R&D.\nEqual Opportunity Employer\nNTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.\nThird parties fraudulently posing as NTT DATA recruiters\nNTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. 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