{"id":2616638,"url":"https://alion.io/job/societe-generale-lead-system-engineer-microsoft-exchange-expert","title":"Lead System Engineer-Microsoft Exchange Expert","company":{"id":1760180,"name":"Société Générale","domain":"societegenerale.com","url":"https://alion.io/company/societegenerale-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career sitemap","truth_index":{"grade":"B","score":81,"open_postings":97,"ghost_share":0,"stale_share":0.979,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-28T05:59:10Z"}},"role":"DevOps","role_family":"DevOps","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Bash","optional":false},{"name":"DLP","optional":false},{"name":"DNS","optional":false},{"name":"LDAP","optional":false},{"name":"Linux","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"TCP/IP","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-09-18T00:00:00Z","employer_posted_date":"2026-09-18","last_verified_at":"2026-10-28T15:45:38Z","board_verified":true,"closed_at":null,"days_open":40,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":40},"description":"Responsibilities\n\n Key Responsibilities\nArchitect and manage complex Cisco IronPort ESA deployments (physical & virtual), including high availability, clustering, and disaster recovery strategies.\nLead Tier-3/L4 troubleshooting for critical email security incidents, performing protocol-level analysis (SMTP, DNS, TLS) and root cause investigations.\nDesign and enforce security policies for spam filtering, malware protection (AMP), DLP, encryption, and outbreak filters to meet compliance and regulatory requirements.\nPlan and execute migrations, upgrades, and capacity expansions for Cisco ESA appliances in large-scale environments.\nDevelop and execute test plans for new features, configurations, and integrations with Microsoft Exchange and Microsoft 365.\nIntegrate ESA with Security Management Appliance (SMA) for centralized reporting, quarantine management, and policy orchestration.\nAutomate operational tasks using CLI, scripting (Python/Bash), and APIs to improve efficiency and reduce manual overhead.\nCollaborate with cross-functional teams (Messaging, Network, Security) to ensure seamless mail flow and secure integration with firewalls, DNS (SPF/DKIM and DMARC), and Active Directory.\nMaintain comprehensive documentation for architecture, configurations, troubleshooting guides, and operational playbooks.\nProvide technical leadership and mentorship to junior engineers and support teams.\nRequired Skills & Expertise\n8+ years of experience in enterprise email security and messaging platforms, with 5+ years dedicated to Cisco IronPort ESA in large, complex environments.\nStrong knowledge of SMTP, DNS, FTP, SSH, TCP/IP, and secure mail routing principles.\nExpertise in Cisco ESA features: AMP, DLP, encryption, content filtering, reputation-based controls, and outbreak filters.\nHands-on experience with policy design, disaster recovery planning, and risk analysis for email security.\nProficiency in UNIX/Linux administration, scripting (PowerShell, Python, Bash), and automation frameworks.\nSolid networking knowledge, including firewalls, NAT, subnetting, and load balancing.\nExperience integrating ESA with Microsoft Exchange (2016/2019) and Microsoft O365 environments.\nFamiliarity with Active Directory/LDAP for directory integration and authentication.\nStrong written and verbal communication skills for documentation and stakeholder engagement.\n\n Profile required\n\n Key Responsibilities\nArchitect and manage complex Cisco IronPort ESA deployments (physical & virtual), including high availability, clustering, and disaster recovery strategies.\nLead Tier-3/L4 troubleshooting for critical email security incidents, performing protocol-level analysis (SMTP, DNS, TLS) and root cause investigations.\nDesign and enforce security policies for spam filtering, malware protection (AMP), DLP, encryption, and outbreak filters to meet compliance and regulatory requirements.\nPlan and execute migrations, upgrades, and capacity expansions for Cisco ESA appliances in large-scale environments.\nDevelop and execute test plans for new features, configurations, and integrations with Microsoft Exchange and Microsoft 365.\nIntegrate ESA with Security Management Appliance (SMA) for centralized reporting, quarantine management, and policy orchestration.\nAutomate operational tasks using CLI, scripting (Python/Bash), and APIs to improve efficiency and reduce manual overhead.\nCollaborate with cross-functional teams (Messaging, Network, Security) to ensure seamless mail flow and secure integration with firewalls, DNS (SPF/DKIM and DMARC), and Active Directory.\nMaintain comprehensive documentation for architecture, configurations, troubleshooting guides, and operational playbooks.\nProvide technical leadership and mentorship to junior engineers and support teams.\nRequired Skills & Expertise\n8+ years of experience in enterprise email security and messaging platforms, with 5+ years dedicated to Cisco IronPort ESA in large, complex environments.\nStrong knowledge of SMTP, DNS, FTP, SSH, TCP/IP, and secure mail routing principles.\nExpertise in Cisco ESA features: AMP, DLP, encryption, content filtering, reputation-based controls, and outbreak filters.\nHands-on experience with policy design, disaster recovery planning, and risk analysis for email security.\nProficiency in UNIX/Linux administration, scripting (PowerShell, Python, Bash), and automation frameworks.\nSolid networking knowledge, including firewalls, NAT, subnetting, and load balancing.\nExperience integrating ESA with Microsoft Exchange (2016/2019) and Microsoft O365 environments.\nFamiliarity with Active Directory/LDAP for directory integration and authentication.\nStrong written and verbal communication skills for documentation and stakeholder 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