Senior Network Engineer

NCR Atleos, headquartered in Atlanta, is a leader in expanding financial access. With over 20,000 employees, we optimize the branch, improve operational efficiency, and maximize self‑service availability for financial institutions and retailers worldwide. NCR Atleos was ranked #12 in Newsweek’s 2025 Top 100 Global Most Loved Workplaces® list.

Senior Network Engineer

Mississauga, Canada

Hybrid – must be onsite 3 times per week

This position is not eligible for visa sponsorship now or in the future.

The tier‑3 network engineer performs proactive work to maintain best practices and ensure steady state operation. The role involves maintaining standards and best practices for network systems, serving as an escalation point for Operations and NOC, troubleshooting reactive incidents, conducting root‑cause analysis for customer incidents and problem management, and handling escalations outside business hours. The engineer must communicate effectively with client services and customers regarding incidents and changes.

• 6+ years of network experience with firewalls, load balancers, routers and switches in on‑prem and cloud environments.
• Expert knowledge of firewall management, preferably Palo Alto and Fortigate; Cisco ASA experience is a plus.
• Expert experience with hardware/virtual load balancers such as F5 BigIP and cloud load balancing (AWS, Azure, OCI).
• Expert knowledge of Zero Trust environments, preferably ZScaler.
• Expert knowledge of routing and switching, including 802.1q, STP, RSTP, MSTP, VLAN, VXLAN, VRF, and BGP.
• Expert knowledge of IPSEC VPN tunnels.
• Proficiency in TCP/IP packet analysis using Wireshark or tcpdump.
• Exceptional analytical, problem‑solving, and troubleshooting skills from Layer 1 to Layer 7.
• Strong understanding of troubleshooting techniques and ability to document processes.
• Ability to design network architecture using industry best practices.
• Mentor and train junior network peers.
• Excellent organization and time‑management skills.
• Experience with high‑availability environments requiring 99.99% SLA.
• Strong sense of urgency and ability to prioritize work based on business needs.
• Familiarity with ticket‑handling policies, escalation timelines, and management communication.
• Understanding of business functions and impact of technical decisions.
• Planning skills and ability to work within change‑control parameters.
• Commitment to customer‑focused quality service.
• Excellent verbal, written, and interpersonal communication skills.
• Strong documentation skills.
• Ability to complete tasks with minimal supervision and thrive under pressure.

• F5, Palo Alto, Fortigate, ZScaler, and Arista network certifications.
• Experience with network automation tools such as Ansible Tower or Python scripting.
• Experience analyzing NetFlow data.
• Technical lead or senior escalation experience.
• Expert knowledge of optical platforms and protocols (plus).

Full‑time, Mid‑Senior level

Information Technology – Banking

NCR Atleos is an equal‑opportunity employer. It is NCR Atleos policy to hire, train, promote, and pay associates based on their job‑related qualifications, ability, and performance, without regard to race, color, creed, religion, national origin, citizenship status, sex, sexual orientation, gender identity/expression, pregnancy, marital status, age, mental or physical disability, genetic information, medical condition, military or veteran status, or any other factor protected by law.

To all recruitment agencies: NCR Atleos only accepts resumes from agencies on the NCR Atleos preferred supplier list. Please do not forward resumes to our applicant‑tracking system, NCR Atleos employees, or any NCR Atleos facility. NCR Atleos is not responsible for any fees or charges associated with unsolicited resumes.

The Company has an accommodation process in place and provides accommodations for employees with disabilities. If you require a specific accommodation because of a disability or medical requirement, please contact Human Resources via email at so that arrangements can be made for the appropriate accommodations to be in place.