{"id":2148733,"url":"https://alion.io/job/cognizant-l3-network-engineer-12-months-contract","title":"L3 Network Engineer (12 months contract)","company":{"id":85,"name":"Cognizant","domain":"cognizant.com","url":"https://alion.io/company/cognizant","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Cognizant Careers","truth_index":{"grade":"A","score":88,"open_postings":136,"ghost_share":0.007,"stale_share":0.632,"repost_share":0.037,"time_to_fill_p50_days":21,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Networking","role_family":"Networking","seniority":null,"employment_type":"contractor","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hong Kong"],"countries":["HK"],"hiring_countries":["HK"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":29000,"max_usd":77000,"period":"year","method":"role_country_seniority_unknown","sample_n":8},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Zscaler","optional":false}],"status":"live","first_seen_at":"2026-09-28T04:27:36Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-26T09:58:44Z","board_verified":true,"closed_at":null,"days_open":28,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":28},"description":"Job Summary\nAs a Network L3 Engineer, you will perform advanced troubleshooting to ensure high performance, availability, and security of complex network infrastructures. You will lead major upgrades, develop strategic network plans, analyze traffic and security threats, and provide technical leadership and mentorship to junior engineers. This role is part of a high-impact project environment and requires deep networking expertise across multi-vendor platforms.\nKey Responsibilities\nExpert-Level Troubleshooting: Handle complex and critical network issues that require deep expertise, often performing root cause analysis to prevent recurring incidents.\nStrategic Planning: Develop long-term strategies for network growth and optimization, aligning network capabilities with business goals.\nSecurity Management: Design and implement advanced security measures, develop security policies, and monitor network traffic to identify and mitigate threats.\nProject Leadership: Lead major network projects such as upgrades, migrations, and the integration of new technologies.\nDocumentation & Best Practices: Create and maintain detailed documentation for network configurations, processes, and procedures.\nMentorship & Training: Provide technical guidance, training, and mentorship to L1 and L2 network engineers.\nVendor & Stakeholder Collaboration: Coordinate with external partners and vendors for solutions, and collaborate with other IT professionals and management.\nKey Skills & Knowledge\nDeep Understanding of Protocols: In-depth knowledge of network protocols, switching, routing, and wide-area network (WAN) technologies.\nTechnical Expertise: Hands-on experience with multi-vendor network equipment, including routers, switches, firewalls, and load balancers.\nProblem-Solving: Strong analytical and problem-solving skills to address complex network challenges under pressure.\nSecurity Focus: Experience with security tools and frameworks, including intrusion detection systems (IDS) and network access control (NAC).\nCommunication: Excellent verbal and written communication skills for clear reporting and collaboration.\nJob Requirements\nEssential Skills: Zscaler (Proxy), Palo Alto Firewall\nNice to Have Skills: SD WAN - Velo Cloud, Cisco Meraki.\nStrong experience in troubleshooting and securing networks.\nAdvanced certifications such as the Cisco Certified Network Professional (CCNP) are recommended.","description_format":"text","description_chars":2409,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Hong Kong","iso":"HK","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Science & Engineering","IT Outsourcing & Dedicated Teams","Engineering Services","Cloud Consulting & Migration"],"lifecycle":[{"event":"open","at":"2026-10-09T05:00:47Z"}],"visa":[],"liveness":{"score":19,"band":"cold","label":"Long shot","p_open":1,"p_active":0.344,"p_room":0.55,"age_days":28,"expected_fill_days":21,"reasons":["conf:0","stale_co","velocity","win:tail","comp:brand"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/cognizant-l3-network-engineer-12-months-contract","json_url":"https://alion.io/job/cognizant-l3-network-engineer-12-months-contract.json","meta":{"generated_at":"2026-10-26T10:59:33Z","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":14870,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":85},"rest":"https://alion.io/mcp/rest/get_company?id=85"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcognizant-l3-network-engineer-12-months-contract"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fcognizant-l3-network-engineer-12-months-contract"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fcognizant-l3-network-engineer-12-months-contract"},{"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/cognizant-l3-network-engineer-12-months-contract\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcognizant-l3-network-engineer-12-months-contract"}]}