DDI Network Engineer

Location: Toronto

Final date to receive applications:10/29/2026

Address:4100 Gordon Baker Road Job Family Group:

TechnologyDDI 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.

Requirements:8+ years of network engineering experience with a minimum 5 years on DDI platforms (Infoblox, Blue Cat, BT/Cygna Labs Diamond IP - an asset).Bachelor’s degree in Engineering, Computer Science, or a related technical field.

Technical Requirements:

Expertise 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.

Strong 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-Have:

Banking / 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).Salary:$70,000.00 - $

Pay Type:

Salaried The above represents BMO Financial Group’s pay range and type.

Salaries will vary based on factors such as location, skills, experience, education, and qualifications for the role, and may include a commission structure. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For commission roles, the salary listed above represents BMO Financial Group’s expected…