Contract: 6 month contract with ongoing extensionCompensation: T4: $61/HR-$65/HR | IC: $70/HR-$77/HRDDI Engineering under the Network Engineering & Design division is responsible for the oversight, management, design, and engineering of the bank's core network services (DNS, DHCP, IPAM) globally.Requirements8+ years of network engineering experience with a minimum 5 years on DDI platforms (Infoblox, BlueCat, BT/Cygna Labs Diamond IP - an asset).Bachelor's degree in Engineering, Computer Science, or a related technical field.Technical RequirementsExpertise in DNS architecture and redundancy - ISC BIND & Microsoft DNS.Expertise in DHCP architecture and failover - ISC DHCP & Kea.Exceptional knowledge in DNS fundamentals and ability to differentiate between querying, forwarding, recursion, delegation, zone transfers and caching mechanisms.Exceptional knowledge in DHCP fundamentals – bootp, PXE, vendor options, client classes.Hands-on experience in IP management (IPv4 & IPv6), capacity planning, subnet aggregation, route summarization, and brand (IP & domain) protection measures.Hands-on experience with day-to-day DDI operations and DNS/DHCP configuration management in a large enterprise environment.Experience with Intranet (internal) & Extranet DNS design – vendor / B2B / peer networks.Experience with Public (external) DNS management – domain registrars, ownership transfers.Experience with Public IP & ASN management – regional registries (ARIN), IXPs, IRR, RPKI.Experience with CDNs (Akamai, Cloudflare), application delivery, and web (301/302) redirections.Experience with Public Clouds (AWS, Azure)



and designing scalable Hybrid DNS architectures.Experience in providing DNS solutions in case of mergers, acquisitions, and divestitures (M&A).Experience with DNS security - DNSSEC, DNS Firewall, email (SPF, DMARC, DKIM), CAA.Advanced troubleshooting, reverse engineering, and root cause analysis (RCA) skills.Advanced scripting skills in Python and/or bash - telemetry & network tool integration experience.Advanced knowledge in Load Balancers (LTM/GTM), GSLB, NTP, SSL/TLS, traffic steering.Strong proficiency in Unix/Linux operating systems – cronjobs, logging, hardening techniques.Robust proficiency in network automation using SOAP and/or RESTful APIs.Adept with routing protocols (BGP, OSPF, EIGRP), NAC (DHCP snooping, 802.1x, MAC auth), IDS/IPS, IPSEC VPN, Firewalls (NAT, PAT), Proxy (forward/reverse), SDA, SDWAN, and SASE.Practical understanding of data structures, algorithms, and database (MySQL) fundamentals.Excellent communication (verbal & written) skills with ability to create technical documentation (SOP, BCP, deploy guides, conventions/templates) and network diagrams.Analytical ability to decipher complex technical requirements and convey subsequent solutions in an effective manner to cross-functional teams & senior leadership.Willingness to learn, adapt to new processes, and deliver projects within specified deadlines.Nice-to-HaveBanking / Finance experience a big plus.DDI Certifications and CCNA/CCNP.Audit & Compliance experience with internal and/or external regulatory bodies.Proficiency with SIEM platforms (Elastic ELK, Splunk) and vulnerability management.Familiarity with ITIL, ITSM, TOGAF, SDLC, Release Management, PM (Agile/Scrum, Waterfall).

📌 Ai-Driven Network Engineer Role (Toronto)
🏢 Definity
📍 Toronto