{"id":2965289,"url":"https://alion.io/job/vinci-network-system-security-engineer","title":"Network & System Security Engineer","company":{"id":716925,"name":"Vinci","domain":"vinci.com","url":"https://alion.io/company/vinci-4","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Radancy","truth_index":{"grade":"B","score":75,"open_postings":1542,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Security","role_family":"Security","seniority":"junior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Abu Dhabi, United Arab Emirates"],"countries":["AE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":20000,"max_usd":57000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":575},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"ISO 27001","optional":false},{"name":"Linux","optional":false},{"name":"NIST CSF","optional":false},{"name":"TCP/IP","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-20T23:53:28Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-24T23:43:28Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Axians Emirates, an operational entity of Cegelec Abu Dhabi (a subsidiary of VINCI Energies), is a dedicated business unit specializing in the deployment and maintenance of telecom infrastructure, access control, and CCTV systems.\nWith strong capabilities in cybersecurity design and implementation, as well as ICT engineering and construction, Axians Emirates delivers end-to-end solutions tailored to the needs of critical sectors.\nOur services cover the full project lifecycle - from engineering, integration, and installation to commissioning and maintenance - with a focus on security, telecommunications, and information systems for clients in the oil & gas and defense industries.\nWith the support of the Axians network (VINCI Energies), Axians Emirates delivers reliable, agile, and locally adapted solutions, while embracing a dynamic approach to innovation and sustainable performance.\nWe are seeking a Network & System Security Engineer to support one of our clients in securing and maintaining network and system infrastructure, including IT and OT environments. The role involves managing network security solutions, implementing security controls, monitoring security events, supporting incident response, and ensuring the availability and security of critical systems.\nResponsibilities\nConfigure, administer and maintain network security solutions, including firewalls, VPNs, IDS/IPS, network access control and other security platforms.\n\nImplement and maintain network segmentation, firewall rules, access controls and secure remote connectivity across IT and relevant OT environments.\n\nPerform security hardening of Windows/Linux servers, network devices and supporting infrastructure in line with approved security standards.\n\nMonitor security alerts, logs and network activity, investigate suspicious events and support cybersecurity incident response.\n\nConduct vulnerability assessments, coordinate patching and remediation activities, and verify the effectiveness of security measures.\n\nReview and implement security-related changes, troubleshoot network and system security issues, and ensure operational continuity.\n\nCoordinate with IT teams, cybersecurity teams and technology vendors to resolve technical issues and support security improvements.\n\nMaintain technical documentation, network diagrams, security configurations, operational procedures and incident reports.\n\nRequirements\n2-5 years of relevant experience in network security, infrastructure security, systems administration or cybersecurity operations.\n\nBachelor's degree in cybersecurity, IT, network engineering or a related field.\n\nHands-on experience configuring and managing enterprise firewalls, VPNs and network security solutions, preferably Fortinet or Palo Alto.\n\nGood understanding of TCP/IP, routing, switching, VLANs, network segmentation and access control.\n\nPractical knowledge of Windows/Linux security administration, system hardening, Active Directory and endpoint security.\n\nFamiliarity with security monitoring, vulnerability management and incident response processes.\n\nKnowledge of cybersecurity standards and frameworks such as ISO 27001, NIST CSF or IEC 62443 would be an advantage.\n\nExperience in OT/ICS environments, critical infrastructure or the Oil & Gas sector would be an advantage.\n\nRelevant certifications such as CCNA, Fortinet FCP, Palo Alto PCNSA or CompTIA Security+ would be an advantage.\n\nWhy join us ?\nOur DNA: Trust, Entrepreneurial Spirit, Solidarity, Autonomy, Responsibility\nJoining us means becoming part of a large group while enjoying the agility and warmth of a human-sized company!\nA personalized onboarding journey from day one, with tailored career follow-up\nOpportunities for growth, training, and mobility within a fast-growing international group\nClose and supportive management\nRecognition of employee performance through a company savings plan\nPride in shared achievements\nRespect for the environment and local communities in the countries where we operate (Human Rights Guide)\nCommitment to the health and safety of our employees\nAt VINCI Energies Oil & Gas, CSR initiatives are deeply embedded in our activities, our ways of working, and ultimately, in our DNA","description_format":"text","description_chars":4205,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Transport Infrastructure","Information Security","Engineering Services","Construction"],"lifecycle":[{"event":"open","at":"2026-10-20T23:53:28Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely 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