{"id":2705414,"url":"https://alion.io/job/ncs-eg-senior-engineer-network-security","title":"#EG Senior Engineer, Network & Security","company":{"id":8907,"name":"NCS","domain":"ncs.co","url":"https://alion.io/company/ncs-co","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":82,"open_postings":371,"ghost_share":0.296,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":49,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","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":37000,"max_usd":75000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":328},"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"Linux","optional":false},{"name":"OSPF","optional":false},{"name":"TCP/IP","optional":false},{"name":"VLAN","optional":false},{"name":"VPN","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-07-01T09:37:57Z","employer_posted_date":"2026-07-01","last_verified_at":"2026-10-16T16:39:01Z","board_verified":true,"closed_at":null,"days_open":107,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":107},"description":"NCS is a leading technology services firm that operates across the Asia Pacific region in over 20 cities, providing consulting, digital services, technology solutions, and more. We believe in harnessing the power of technology to achieve extraordinary things, creating lasting value and impact for our communities, partners, and people. Our diverse workforce of 13,000 has delivered large-scale, mission-critical, and multi-platform projects for governments and enterprises in Singapore and the APAC region.\n We are seeking a motivated and detail-oriented Implementation Firewall Engineer to support the deployment, configuration, and implementation of network security solutions in enterprise environments. The candidate will be responsible for firewall implementation, VPN setup, troubleshooting, migration activities, and security policy management while ensuring minimal downtime and adherence to security standards.\nKey Responsibilities?\nDeploy, configure, and implement firewall solutions in customer or enterprise environments\nConfigure security policies, NAT rules, VPN tunnels, and access control lists (ACLs)\nSupport firewall migration and cutover activities during implementation windows\nTroubleshoot network connectivity, routing, VPN, and firewall-related issues\nPerform firmware upgrades, backup, and restore activities\nValidate firewall functionality and traffic flow after implementation\nCoordinate with internal teams, vendors, and customers during implementation activities\nPrepare implementation documentation, network diagrams, and handover reports\nEnsure compliance with security standards and organizational policies\nParticipate in maintenance windows and change management processes\n Essential Qualifications:\nEducation & Experience: Degree or equivalent with 1-3 years in IT/networking\n Core Networking Skills: Routing & Switching fundamentals, Firewall Administration (security policy creation, rule optimisation, access control, zone based security, object and service management, high availability, etc), Security Concepts (IDS/IPS, URL filtering, App control, Threat Prevention, SSL inspection, Zero Trust, etc), Troubleshooting skills (Packet capture, log analysis, traffic flow, session monitoring, CLI debugging, etc)\nSpecialization: Good in 1-2 brands of firewall knowledge, Enterprise Network, or Security\n Certification: Cisco Certified Network Associate (CCNA)/ Checkpoint CCSA/Palo Alto PCNSA/Fortinet NSE/CompTIA Security+\nTechnical Skills:\nBasic understanding of networking concepts (TCP/IP, VLAN, Routing, Switching)\nKnowledge of firewall technologies and security concepts\nExperience with VPN technologies (IPSec/SSL VPN)\nFamiliarity with routing protocols such as OSPF/BGP is an advantage\nBasic troubleshooting and log analysis skills\nFamiliarity with Linux/CLI environments\nSoft Skills:\nGood communication and interpersonal skills\nStrong analytical and problem-solving abilities\nAbility to work independently and in a team environment\nWillingness to work during maintenance or implementation windows\nGood documentation and reporting skills\n We are driven by our AEIOU beliefs-Adventure, Excellence, Integrity, Ownership, and Unity-and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.\nTogether, we make the extraordinary happen.\nLearn more about us at ncs.co and visit our LinkedIn career site.\nScam Alert\nWe are aware of fraudulent job offers and impersonations of NCS recruiters. Phishing emails using convincing-looking but fake addresses are also commonly used to trick you into thinking that they come from official NCS sources.\nPlease note that all official communications from NCS Group will only be sent from verified corporate email addresses. Always check that the sender’s email address ends with the genuine NCS domain, @ncs.com.sg and beware of extra letters, symbols or misspellings. When in doubt, verify the sender’s identity by contacting us at .","description_format":"text","description_chars":4062,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Managed Security","IT Consulting & Digital Transformation","Systems Integrators","AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-10-16T12:22:02Z"}],"visa":[],"liveness":{"score":17,"band":"cold","label":"Long shot","p_open":1,"p_active":0.591,"p_room":0.28,"age_days":107,"expected_fill_days":49,"reasons":["conf:3","win:tail","crowd:brand"],"computed_at":"2026-10-16T20:34:05Z"},"pay":null,"html_url":"https://alion.io/job/ncs-eg-senior-engineer-network-security","json_url":"https://alion.io/job/ncs-eg-senior-engineer-network-security.json","meta":{"generated_at":"2026-10-16T20:34:05Z","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":1187,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":8907},"rest":"https://alion.io/mcp/rest/get_company?id=8907"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fncs-eg-senior-engineer-network-security"},{"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%2Fncs-eg-senior-engineer-network-security"},{"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%2Fncs-eg-senior-engineer-network-security"},{"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/ncs-eg-senior-engineer-network-security\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fncs-eg-senior-engineer-network-security"}]}