{"id":1542936,"url":"https://alion.io/job/citi-senior-dns-ip-network-engineer","title":"Senior DNS & IP Network Engineer","company":{"id":7841,"name":"Citi","domain":"citi.com","url":"https://alion.io/company/citi","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":377,"ghost_share":0.008,"stale_share":0.003,"repost_share":0.088,"time_to_fill_p50_days":10,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Budapest, Hungary"],"countries":["HU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":30000,"max_usd":73000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":600},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"BGP","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"Terraform","optional":false}],"status":"live","first_seen_at":"2026-09-30T21:25:24Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-17T23:02:22Z","board_verified":true,"closed_at":null,"days_open":17,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":17},"description":"Citi is looking for a Senior DNS & IP Network Engineer to own and evolve the enterprise DNS, DHCP, and IP Address Management (IPAM) infrastructure that underpins network connectivity across a global, multi-cloud environment. In this role, you will serve as the technical authority for DDI services, driving architecture decisions, automation initiatives, and security improvements that directly support Citi's global operations. Your work will shape how one of the world's largest financial institutions manages its IP address estate across on-premises, cloud, and hybrid environments.\nResponsibilities\nDesign and implement highly available DNS architectures across global enterprise environments, ensuring resilience, scalability, and alignment with network security standards.\nManage the full lifecycle of IPv4 and IPv6 address allocations - from subnet design and address planning through to utilization tracking, reclamation, and capacity forecasting.\nOwn enterprise IP space governance, defining and maintaining IP allocation policies, standards, and workflows across data centers, cloud platforms, branch offices, and application environments.\nCoordinate public IP address allocations with Regional Internet Registries including ARIN, RIPE NCC, APNIC, and LACNIC, and manage related ASN and internet routing resource requirements.\nBuild automation solutions for DNS, DHCP, and IPAM administration using Python, Ansible, Terraform, or REST APIs to reduce manual effort and improve operational consistency.\nLead DNS security initiatives including DNSSEC deployment, Response Policy Zones (RPZ), threat intelligence integration, monitoring, logging, and DDoS protection measures.\nInvestigate and resolve DNS, DHCP, and IP allocation incidents, producing root cause analyses and recommendations to prevent recurrence and strengthen service reliability.\nRequired Qualifications & Skills\n5 to 10 years of hands-on experience in enterprise DNS, DHCP, IPAM, or network infrastructure engineering.\nDeep knowledge of IPv4 and IPv6 addressing, subnetting, CIDR notation, route summarization, and address utilization analysis applied in large-scale environments.\nDemonstrated ability to architect, administer, troubleshoot, and secure enterprise DNS services across authoritative and recursive resolvers.\nPractical experience managing IP address allocations across data centers, cloud platforms, and branch networks, including governance and lifecycle processes.\nExperience working with enterprise DDI platforms such as Infoblox, BlueCat, TCPWave, or EfficientIP.\nStrong analytical and diagnostic skills, with a track record of resolving complex network infrastructure issues under pressure.\nBachelor's degree in a relevant field, or equivalent professional experience.\nBeneficial Skills & Qualifications\nFamiliarity with Autonomous System Numbers (ASN), BGP fundamentals, RPKI, ROA management, and geofeed administration.\nExperience coordinating public IP resources directly with internet registries, cloud providers, or telecommunications carriers.\nBackground in financial services or large-scale enterprise technology environments.\nMaster's degree in a relevant discipline.\nAbility to work effectively across global virtual teams in a fast-paced, cross-functional setting.\nWhat We Offer\nAt Citi, you will have the opportunity to work on infrastructure that operates at global scale, collaborating with network, cloud, and security teams across multiple geographies. This is a role where technical depth, engineering judgment, and initiative translate directly into outcomes that matter across the organization.\nBy joining Citi Hungary, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive compensation package and enjoy a whole host of additional benefits that support you (and your family) to be well, live well and save well:\nCafeteria Program\nHome Office Allowance (for colleagues working in hybrid work models)\nPaid Parental Leave Program (maternity and paternity leave)\nPrivate Medical Care Program and onsite medical rooms at our offices\nPension Plan Contribution to voluntary pension fund\nGroup Life Insurance\nEmployee Assistance Program\nAccess to a wide variety of learning and development programs, online course libraries and upskilling platforms, such as Udemy and Degreed\nFlexible work arrangements to support you in managing work - life balance\nCareer progression opportunities across geographies and business lines\nSocially active employee communities with diverse networking opportunities\nAlongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive.\nApply today to bring your DNS and IP networking expertise to a role where the infrastructure you build and maintain powers global financial services at scale.\nSounds like Citi has everything you need?\nThen apply to discover the true extent of your capabilities.\n#LI-AE1\n------------------------------------------------------\nJob Family Group:\nTechnology------------------------------------------------------\nJob Family:\nSystems & Engineering------------------------------------------------------\nTime Type:\nFull time------------------------------------------------------\nPrimary Location Full Time Salary Range:\n17 157 800,00 Ft - 28 767 800,00 Ft------------------------------------------------------\nMost Relevant Skills\nPlease see the requirements listed above.------------------------------------------------------\nOther Relevant Skills\nFor complementary skills, please see above and/or contact the recruiter.------------------------------------------------------\nCiti is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.\nIf you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.\nView Citi’s EEO Policy Statement and the Know Your Rights poster.","description_format":"text","description_chars":6354,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Cafeteria","Flexible schedule","Home office","Hybrid work","Life insurance","Parental leave"],"hiring_locations":[{"name":"Hungary","iso":"HU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Services","Wealth Management & Financial Advisors","Payment Processing & Gateways","Consumer Loans & Pawnshops"],"lifecycle":[{"event":"open","at":"2026-09-30T21:25:24Z"}],"visa":[],"liveness":{"score":30,"band":"fade","label":"Fading","p_open":1,"p_active":0.666,"p_room":0.45,"age_days":16,"expected_fill_days":10,"reasons":["conf:36","velocity","win:tail","comp:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/citi-senior-dns-ip-network-engineer","json_url":"https://alion.io/job/citi-senior-dns-ip-network-engineer.json","meta":{"generated_at":"2026-10-18T00:33:37Z","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":995,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":7841},"rest":"https://alion.io/mcp/rest/get_company?id=7841"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fciti-senior-dns-ip-network-engineer"},{"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%2Fciti-senior-dns-ip-network-engineer"},{"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%2Fciti-senior-dns-ip-network-engineer"},{"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/citi-senior-dns-ip-network-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fciti-senior-dns-ip-network-engineer"}]}