{"id":3069909,"url":"https://alion.io/job/credit-agricole-s-a-network-security-reliability-engineer-level-2","title":"Network Security Reliability Engineer- Level 2","company":{"id":1786847,"name":"Crédit Agricole S.A.","domain":"credit-agricole.com","url":"https://alion.io/company/credit-agricole-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Talentsoft","truth_index":{"grade":"A","score":100,"open_postings":31,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":7,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":41000,"max_usd":86000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":36},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"BGP","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"FortiGate","optional":false},{"name":"OSPF","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"TCP/IP","optional":false},{"name":"Trend Micro","optional":false}],"status":"live","first_seen_at":"2026-10-22T09:07:45Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-25T22:19:35Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Business type\nTypes of Jobs - IT, Digital et Data\nJob title\nNetwork Security Reliability Engineer- Level 2\nContract type\nFixed-Term Contract\nJob summary\nDepartment\nThe Information Technology Services (ITS) department is responsible for ensuring the availability, stability, security, and performance of our bank's IT infrastructure, applications, and enduser systems. Operating 24/7, we are dedicated to guaranteeing worldwide production stability and availability.\nWe play a leading role in shaping the IT strategy for the APAC and Middle East regions, while also providing expert technical support to other regions. Our services extend to international sites, where we offer Level 4 support, including support to the Americas.ss\nRole Overview\nWe are seeking an experienced Network Security Reliability Engineer - Level 2 to join our infrastructure Network and security Operations team. The ideal candidate will have 4-8 years of hands-on experience in installing, configuring, optimizing, and troubleshooting enterprise-grade network and security solutions. The position requires strong technical proficiency across multiple vendor platforms, including Cisco, Arista, Fortinet, F5, Infoblox, Skyhigh, Ivanti, Check Point, and Trend Micro.\nThe candidate will be responsible for ensuring the reliability, integrity, and security of network and security infrastructure across large enterprise environments, while also supporting incident response, performance tuning, and ongoing service improvements.\nKey Responsibilities\nNetwork & Security Infrastructure Management\nInstall, configure, and maintain multi-vendor network and security devices across data centers, cloud environments, and remote sites.\nPerform advanced troubleshooting and root-cause analysis for complex network and security issues.\nImplement secure network architecture, segmentation, and access control best practices.\nConduct regular security posture assessments and recommend improvements.\nMaintain high availability, redundancy, and resilience across all network and security platforms.\nVendor-Specific Responsibilities\nCisco\nConfigure and manage Cisco routers, switches, WLC, ISE, ACI solutions.\nTroubleshoot routing protocols (BGP, OSPF, EIGRP) and Layer 2 technologies.\nManage Cisco ISE policies and NAC enforcement.\nVendor technical support escalations as needed.\nACI infrastructure support.\nISE NAC , TACACS , profiling and posture support..\nArista\nDeploy and manage Arista switches in data center.\nConfigure EOS, VXLAN/EVPN fabrics, and advanced automation features.\nDiagnose connectivity, performance, and fabric-related issues.\nVendor technical support escalations as needed.\nFortinet\nInstall and configure FortiGate firewalls, VPNs, IPS and security profiles.\nManage FortiAnalyzer/FortiManager for centralized policy and log management.\nTroubleshoot Firewall, IPS, and application control issues.\nVendor technical support escalations as needed.\nSupplementary Information\nF5\nConfigure and manage F5 BIG-IP LTM, ASM, APM modules.\nDevelop and troubleshoot iRules/iApps.\nPerform load balancing, traffic management, and WAF policy tuning.\nVendor technical support escalations as needed.\nInfoblox\nAdminister Infoblox DDI (DNS, DHCP, IPAM).\nEnsure high availability, DNS security (DNSSEC), and IP address management accuracy.\nTroubleshoot DNS/DHCP issues and integrate with other security platforms.\nVendor technical support escalations as needed.\nSkyhigh (McAfee/Skyhigh Security)\nManage security gateways.\nMonitor and optimize security posture.\nTroubleshoot secure web gateway and CASB-related issues.\nVendor technical support escalations as needed.\nIvanti\nDeploy and maintain Ivanti Secure connect solutions.\nConfigure security policies, controls, and compliance reporting.\nTroubleshoot endpoint security, patch failures, and agent-related problems.\nVendor technical support escalations as needed.\nCheck Point\nInstall and configure Check Point firewalls, SmartConsole, and security blades.\nMaintain VPNs, IPS, threat prevention, and rule optimization.\nPerform advanced troubleshooting using logs, packet captures, and fw monitor tools.\nVendor technical support escalations as needed.\nTrend Micro\nConfigure and maintain Trend Micro security solutions.\nManage malware protection, behavioral analysis, and threat detection platforms.\nTroubleshoot agent connectivity, updates, and threat events.\nVendor technical support escalations as needed.\nMinimal education level\nBachelor Degree / BSc Degree or equivalent\nAcademic qualification / Speciality\nbachelor and above in relevant discipline\nLevel of minimal experience\n3-5 years\nExperience\nAdditional Responsibilities\nParticipate in on-call rotation, incident response, and escalations.\nDocument configurations, change requests, runbooks, and network diagrams.\nWork closely with Security Operations, CSIRT and Infrastructure teams.\nSupport audits, compliance activities, and security governance initiatives.\nParticipate in project implementations.\nRequired Skills & Qualifications\n4-8 years of professional experience in network and security adminstrator roles.\nStrong understanding of TCP/IP, routing/switching, VPNs, and network security concepts.\nProven experience with at least 4-6 of the listed vendor technologies, with working knowledge of the others.\nHands-on expertise with Routing, switching, SDN, firewalls, load balancers, IDS/IPS, proxy, NAC, WLC systems.\nExperience with automation tools (Ansible, Python, REST APIs) is a plus.\nStrong analytical, troubleshooting, and incident-management abilities.\nExcellent communication, documentation, and stakeholder-management skills.\nPreferred Certifications (Any of the following):\nCisco CCNP\nArista ACE\nFortinet NSE 5/6/7\nF5 Certified Administrator/Engineer\nCheck Point CCSA/CCSE\nInfoblox Core DDI\nTrend Micro Certified Professional\nSecurity certifications: CISSP, CISM, CEH 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