{"id":1216216,"url":"https://alion.io/job/sanofi-senior-network-engineer","title":"Senior Network Engineer","company":{"id":146,"name":"Sanofi","domain":"sanofi.com","url":"https://alion.io/company/sanofi","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":95,"open_postings":22,"ghost_share":0,"stale_share":0.364,"repost_share":0.045,"time_to_fill_p50_days":14,"computed_at":"2026-09-28T05:45:00Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hyderabad, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":18000,"max_usd":44000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":359},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"BGP","optional":false},{"name":"CI/CD","optional":false},{"name":"Configuration Management","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"OSPF","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false},{"name":"Wi-Fi","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-09-25T09:17:47Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-09-27T22:02:33Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Job title: Senior Network Engineer\nLocation: Hyderabad\nHybrid Mode.\nOur Team:\nDevelop, Deploy and Manage Next Generation (NextGEN) Network technology solutions aligning with Sanofi’s vision and growth are the key functions of Sanofi’s Connectivity Products team.\nThis team, behind Sanofi’s Next Generation Network & Security services and infrastructure that powers it, is looking for a self-motivated and innovative thinking individual to raise the bar on Sanofi’s Network infrastructure while maintaining relevance in the fast moving and evolving network industry.\nAs a member of the team, you will also be interacting with cross-functional team engineers, architects, internal and vendor partners to evangelize and provide NextGEN network technology solutions to;\nMaximize the business value from Sanofi’s Digital Technology and Solutions investments.\nUnleash innovation for our organization, employees, and customers.\nMain responsibilities:\nLeadership\nDefine the long-term technical strategy and roadmap for Connectivity Products - Network and Security.\n\nDefine network and security architecture, standards, patterns, and engineering best practices.\nProvide technical leadership for platform modernization, complex network and security projects and transformation initiatives.\nServe as a senior escalation point for critical network security incidents and complex technical issues.\nTranslate business, cybersecurity, and technology requirements into scalable engineering solutions.\nInfluence enterprise technology strategy and investment decisions.\n\nDesigning and deploying scalable, efficient, & cost-effective network infrastructures & Software Defined Networking (SDN) ecosystem solutions.Resilient, high-performance network architectures spanning physical on-premises data centers and multi-cloud environments (e.g., AWS, Azure Cloud).\nCore network hardware including enterprise routers, switches, firewalls, load balancers, and wireless controllers.\nTraffic Optimization by managing advanced communication and routing protocols (such as BGP, OSPF, EIGRP, and QoS) to ensure efficient, error-free data transfer.\nNetwork Security by implementing SASE, zero-trust principles, managing Next-Generation Firewalls (NGFW), and enforce perimeter access controls\n\nContinuous improvement of Network platform solutioning, specification & design, systems integration, platform lifecycle management, standards, and documentation.\nDrive process improvements that integrate automation and monitor effectiveness to improve efficiency, service delivery, automate configuration changes and eliminate manual errors with Network Infrastructure-as-Code (IaC) initiatives using tools like Ansible, Terraform, Python with APIs, CI/CD pipelines, and automation platforms. \nEngage and resolve escalated application performance and network / cloud operational issues.\nEnsure high levels of security, availability, and performance within the Sanofi’s network environment.\nAbout you:\n10+ years of experience in enterprise network engineering and network security.\n 7+ years of advanced network and security engineering/architecture experience.\nTechnology leadership skills along with strong Interpersonal & Problem-Solving skills.\nAn enthusiasm for staying up to date with the very latest updates with Network technology solutions.\nRelevant work experience in -Networking Engineering - Routers & Switches along with Design, implementation, and migration experience of large-scale networks\nExperience with LAN, Wi-Fi, WAN, Security & SASE technologies.\nDesign, implementation, and migration experience with Cisco - Nexus / Catalyst & Aruba (Wireless), Palo Alto technology.\nCloud & Hybrid Expertise: Proven experience connecting physical corporate infrastructure seamlessly to cloud platforms such as AWS VPCs, Azure ExpressRoute.\nDesigning & Deploying SASE/SSE Solutions: Implement CASB, SWG, ZTNA, and related capabilities; designing secure access across cloud, internet, and private environments.\nAutomation Mindset: Hands-on experience using scripting languages or automation frameworks to manage network infrastructure.\n\nStrong Layer 2/Layer 3 network architectural design and engineering background and experience (LAN/WLAN/WAN and Layer 2/Layer 3) in a large enterprise network environment.Expert level routing is a must (BGP & OSPF)\n\nKnowledge of languages for scriptingProvisioning & Configuration management of networking devices using automation tools and scripting - Python, Ansible\n\nNetworking in cloud computing experience (Azure & AWS)\nFamiliarity and understanding of tunnelling protocols (vxLAN, GRE, IPSec)\nWorking knowledge of DNS, Tacacs, Radius, DHCP, NetFlow, Syslog, etc.\nExposure to SCADA modelled Network and concepts.\nStrong documentation skills in High Level Architecture & Design Solution\nGood communication and presentation skills including the ability to convey complex network related concepts to technical and non-technical audiences.\nVendor (technical) management experience\nOccasional work outside business hours\nTravel may be required.\nPursue progress, discover extraordinary\nBetter is out there. Better medications, better outcomes, better science. But progress doesn’t happen without people - people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people.\nAt Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity.\nWatch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com!","description_format":"text","description_chars":5672,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Hybrid work"],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Prescription Drugs","Vaccines","Rare Disease Therapeutics","Immunology & Inflammation Therapeutics"],"lifecycle":[{"event":"open","at":"2026-09-25T09:17:47Z"}],"liveness":{"score":89,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.888,"p_room":1,"age_days":2,"expected_fill_days":14,"reasons":["conf:7","velocity","win:early","comp:brand"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/sanofi-senior-network-engineer","json_url":"https://alion.io/job/sanofi-senior-network-engineer.json","meta":{"generated_at":"2026-09-29T01:29:27Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1119,"day_limit":5000,"remaining_today":3881,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}