{"id":3598551,"url":"https://alion.io/job/government-technology-agency-network-infrastructure-engineer-dns-proxy","title":"Network Infrastructure Engineer, DNS & Proxy","company":{"id":162,"name":"Government Technology Agency","domain":"tech.gov.sg","url":"https://alion.io/company/government-technology-agency","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":93,"open_postings":59,"ghost_share":0.017,"stale_share":0.017,"repost_share":0.017,"time_to_fill_p50_days":77,"computed_at":"2026-11-10T06:52:35Z"}},"role":"DevOps","role_family":"DevOps","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":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":54000,"max_usd":97000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":78},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AIOps","optional":false},{"name":"Anomaly Detection","optional":false},{"name":"Ansible","optional":false},{"name":"CI/CD","optional":false},{"name":"Configuration Management","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Git","optional":false},{"name":"ITSM","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"SIEM","optional":false},{"name":"TCP/IP","optional":false},{"name":"Terraform","optional":false}],"status":"live","first_seen_at":"2026-11-02T02:26:47Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-10T12:38:52Z","board_verified":true,"closed_at":null,"days_open":8,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":8},"description":"GovTech is the lead agency driving Singapore’s Smart Nation initiatives and public sector digital transformation. As the Centre of Excellence for Infocomm Technology and Smart Systems (ICT & SS), GovTech develops the Singapore Government’s capabilities in Data Science & Artificial Intelligence, Application Development, Smart City Technology, Digital Infrastructure, and Cybersecurity. \nAt GovTech, we offer you a purposeful career to make lives better where we empower our people to master their craft through robust learning and development opportunities all year round. \nPlay a part in Singapore’s vision to build a Smart Nation and embark on your meaningful journey to build tech for public good. Join us to advance our mission and shape your future with us today! \nLearn more about GovTech at tech.gov.sg. \n[What you will be working on] \nWe are constantly looking for Network Infrastructure Engineers with broad and deep technical expertise across multiple domains, best practices and technologies. You will help to execute new initiatives and enhancements that result in innovative use of your domain technology knowledge to meet the needs of forward-looking Public Service agencies. \nOperate and continuously improve production DNS, DNSSEC, protective DNS and secure web proxy services as an in-house capability.\n\nPerform hands-on troubleshooting, incident response, change implementation, lifecycle management, backup, recovery and root-cause analysis.\n\nEngineer DNS zones, records, delegations, forwarding, caching, split-horizon DNS, access controls, DNSSEC signing and proxy policies.\n\nBuild and maintain automation scripts, playbooks, pipelines and reusable modules using Python, PowerShell, Ansible, Terraform, REST APIs or equivalent tools.\n\nCodify infrastructure, configurations and policies using Infrastructure as Code, configuration-as-code, Git and CI/CD workflows.\n\nAnalyse DNS queries, proxy logs and threat intelligence to detect malicious domains, tunnelling, command-and-control traffic and policy violations.\n\nIntegrate DNS and proxy services with identity, firewall, cloud, monitoring, SIEM, ITSM and threat-intelligence platforms.\n\nExplore practical network AI and AIOps use cases for anomaly detection, event correlation, predictive analysis, troubleshooting and governed remediation.\n\nWork with vendors and partners where required while retaining internal technical ownership, operational control and accountability for production outcomes.\n\n[What we are looking for] \nAt least five years of relevant experience in enterprise network, infrastructure or security engineering, with substantial hands-on responsibility for production DNS and proxy services.\n\nDeep knowledge of authoritative and recursive DNS, zone delegation, record lifecycle management, forwarding, caching, split-horizon DNS, DNSSEC, encrypted DNS and systematic troubleshooting.\n\nHands-on experience with enterprise DDI platforms covering DNS, DHCP and IP address management; experience with Infoblox, Bluecoat or an equivalent platform is advantageous.\n\nStrong experience operating enterprise proxy or secure web gateway platforms, including access controls, URL filtering, authentication, TLS inspection, certificate management, bypass policies and log analysis.\n\nSound knowledge of protective DNS, response policy zones, domain reputation, DNS logging, query analytics and DNS-based threat detection.\n\nStrong understanding of TCP/IP, IPv4 and IPv6, HTTP/HTTPS, TLS, routing, NAT, firewalls, load balancing, Anycast and common application traffic flows.\n\nProficiency in Python or PowerShell, REST APIs and automation tools such as Ansible or Terraform, with practical exposure to Git, CI/CD, automated testing and configuration management.\n\nExperience with monitoring, telemetry, observability, log analytics, SIEM or event-correlation platforms, and the ability to turn operational data into action.\n\nAn interest in AI-enabled network operations, with the discipline to validate recommendations, protect operational data and retain appropriate human oversight over production changes.\n\nStrong analytical and troubleshooting skills, with the confidence to work through ambiguity and resolve difficult multi-layer or multi-vendor problems.\n\nClear written and verbal communication, technical documentation, stakeholder-engagement and vendor-management skills.\n\nWhat we offer you: \nGovTech is an equal opportunity employer committed to fostering an inclusive workplace that values diverse voices and perspectives, as we believe that diversity is the foundation to innovation. \nOur employee benefits are based on a total rewards approach, offering a holistic and market-competitive suite of perks. These include leave benefits to meet your work-life needs and employee wellness programs. \nWe champion flexible work arrangements (subject to your job role) and trust that you will manage your own time to deliver your best, wherever you are, and whatever works best for you. \nLearn more about life inside GovTech at go.gov.sg/GovTechCareers. \nStay connected with us on social media at go.gov.sg/ConnectWithGovTech","description_format":"text","description_chars":5107,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Wellness"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Digital Government"],"lifecycle":[{"event":"open","at":"2026-11-02T06:30:45Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":8,"expected_fill_days":77,"reasons":["conf:5","velocity","win:early","comp:brand"],"computed_at":"2026-11-10T06:52:35Z"},"pay":null,"html_url":"https://alion.io/job/government-technology-agency-network-infrastructure-engineer-dns-proxy","json_url":"https://alion.io/job/government-technology-agency-network-infrastructure-engineer-dns-proxy.json","meta":{"generated_at":"2026-11-10T17:23:45Z","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":6037,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"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":162},"rest":"https://alion.io/mcp/rest/get_company?id=162"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgovernment-technology-agency-network-infrastructure-engineer-dns-proxy"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fgovernment-technology-agency-network-infrastructure-engineer-dns-proxy"},{"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%2Fgovernment-technology-agency-network-infrastructure-engineer-dns-proxy"},{"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/government-technology-agency-network-infrastructure-engineer-dns-proxy\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgovernment-technology-agency-network-infrastructure-engineer-dns-proxy"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3598551}},{"tool":"search_jobs","arguments":{"company":"tech.gov.sg","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3598551},"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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