{"id":4215000,"url":"https://alion.io/job/malomatia-senior-network-security-engineer-aci","title":"Senior Network Security Engineer_ACI","company":{"id":1129,"name":"Malomatia","domain":"malomatia.com","url":"https://alion.io/company/malomatia","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":96,"open_postings":10,"ghost_share":0,"stale_share":0.1,"repost_share":0.1,"time_to_fill_p50_days":37,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Doha, Qatar"],"countries":["QA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"CAPA","optional":false},{"name":"ITIL","optional":false},{"name":"Matter","optional":false},{"name":"OSPF","optional":false},{"name":"VMWare","optional":false}],"status":"live","first_seen_at":"2026-11-12T07:48:28Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-13T02:26:46Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"The Senior Network Engineer is responsible for the design, operation, and support of enterprise network and data center environments, with a strong focus on Cisco ACI, Software-Defined Access (SDA), and network security operations. The role provides Level 3 support, ensures service availability, leads incident and change activities, and acts as a Subject Matter Expert (SME) for network and security technologies.\nACI Operations & Device Management\nManage and operate Cisco ACI fabric, including APIC controllers, Spine, and Leaf switches.\nProvide Level 3 (L3) support for Cisco ACI and Cisco SDA in an enterprise data center environment.\nPerform day-to-day monitoring of fabric health, faults, events, and performance.\nEnsure high availability, stability, and optimal performance of the ACI fabric.\nTroubleshoot fabric faults, health score degradation, endpoint learning, and policy issues.\nConfiguration & Change Management\nConfigure and manage tenants, VRFs, Bridge Domains (BDs), EPGs, contracts, filters, and application profiles.\nImplement L2/L3 connectivity, L3Out, vPC, and port-channel integrations.\nExecute approved change requests in line with change management and ITIL processes.\nSupport ACI upgrades, patching, maintenance windows, and lifecycle management.\nPerform fine-tuning and optimization of network devices across data centers, campus, and branch networks.\nIncident, Problem & Service Management\nDrive and manage security incidents, changes, and problems assigned to the Network Security Operations Team.\nPerform root cause analysis (RCA) and implement corrective and preventive actions.\nEnsure escalated incidents and service requests are resolved within defined SLAs/OLAs.\nResolve ticket-based requests in compliance with priority and SLA commitments.\nProvide after-hours and on-call support for incidents, changes, and maintenance activities.\nEnterprise Network & Security Operations\nConfigure, maintain, and support core switches, routers, firewalls, and access switches.\nHandle day-to-day Network & Security operations, beyond ACI when required.\nSupport Systems, Virtualization, and Application teams for network-related issues.\nProvide advanced troubleshooting support to branch IT technicians.\nWork closely with NOC/SOC, server, virtualization, and application teams during incidents.\nGovernance, DR & Documentation\nAct as a Subject Matter Expert (SME) for network and security technologies and project implementations.\nDevelop, maintain, and improve network SOPs, operational runbooks, and incident playbooks.\nPlan, implement, and test Disaster Recovery (DR) and Business Continuity Plans (BCP), leading recovery efforts when required.\nCreate and maintain network inventory, topology diagrams, and technical documentation.\nVendor & Stakeholder Coordination\nCoordinate with vendors and technology partners, including raising TAC cases and driving issues to closure.\nSupport device upgrades, replacements, migrations, data center moves, and new technology implementations.\nTravel to client sites and data centers for installations, troubleshooting, audits, and migration activities.\nCoordinate and support site visits across multiple locations as per SLA and project requirements\nStandards & Compliance\nFollow ITIL best practices for incident, change, and problem management.\nApply information security best practices across ACI, routing, switching, and network security operations.\nEnsure network controls, policies, and procedures operate effectively and are continuously improved.\nBachelor’s degree in relevant discipline. 10+ years of relevant full-time experience in enterprise network environments.\nRelevant certifications: CCNP / CCIE (preferred).\nITIL certification or strong ITIL process knowledge.\nExperience working in Network Operations Centers (NOC) supporting large enterprise or multi-national clients.\nExcellent written and verbal communication skills with the ability to articulate technology strategy and operational risk.\nApplication Centric Infrastructure (ACI)\nHands-on experience in support, administration, installation, and upgrades of ACI environments.\nExperience designing and building SDN-based data center networks using Cisco ACI, VMware NSX, and \nOpenFlow-based solutions.\nSecure onboarding of workloads using EPGs, contracts, filters, and L2Out/L3Out.\nIntegration of Cisco ACI with VMware NSX, including HCI/VxRail/VVD (Dell/EMC).\nConfiguration, testing, and validation of DR capabilities in multi-pod ACI architectures.\nEnd-to-end knowledge of ACI firmware upgrades.\nTroubleshooting ACI infrastructure and interoperability with traditional networks.\nKnowledge of ACI Multi-Pod, Multi-Site, and Policy-Based Routing (PBR) is an advantage.\nSoftware Defined Access (SDA) & ISE\nDesign, operation, and support of Cisco SDA campus networks.\nOperate and maintain SDA fabric, including Edge, Border, Control Plane, DNAC, and ISE integration.\nImplement and tune NAC policies using Cisco ISE, including IoT onboarding.\nMonitor wired and wireless performance using SDA telemetry.\nTroubleshoot SDA wired and wireless connectivity and performance issues.\nEnforce security using TrustSec SGTs through ISE integration.\nPlan and support IPv6 adoption as part of enterprise IP strategy. Routing & Switching\nDesign and support large LAN and WAN environments, including VXLAN architectures.\nExpertise in routing protocols: OSPF, EIGRP, BGP.\nExtensive hands-on experience with Nexus, Catalyst, ISR/ASR routers, and Wireless LAN.\nStrong understanding of VXLAN, Anycast Gateway, and data center routing designs.","description_format":"text","description_chars":5550,"description_truncated":false,"requirements":{"experience_years_min":10,"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":["Network Security","IT Consulting & Digital Transformation","Systems Integrators","Call Center Services"],"lifecycle":[{"event":"open","at":"2026-11-13T02:26:46Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":37,"reasons":["conf:3","win:early"],"computed_at":"2026-11-13T06:12:31Z"},"pay":null,"html_url":"https://alion.io/job/malomatia-senior-network-security-engineer-aci","json_url":"https://alion.io/job/malomatia-senior-network-security-engineer-aci.json","meta":{"generated_at":"2026-11-13T06:12:31Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":13126,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1129},"rest":"https://alion.io/mcp/rest/get_company?id=1129"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmalomatia-senior-network-security-engineer-aci"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmalomatia-senior-network-security-engineer-aci"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmalomatia-senior-network-security-engineer-aci"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/malomatia-senior-network-security-engineer-aci\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmalomatia-senior-network-security-engineer-aci"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4215000}},{"tool":"search_jobs","arguments":{"company":"malomatia.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4215000},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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