Senior Network Infrastructure Engineer

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Team Overview

Role Overview And Core Responsibilities

• Manage network and infrastructure operations, resolving incidents and major outages to minimize business disruption.

• Maintain reliable services through upgrades, patching, configuration management, and operational support.

• Support and optimize office networking, wireless LAN, and end-user connectivity.

• Manage enterprise networking technologies, including Routing, Switching, Firewalls, VPN, SD-WAN, Wireless, and Network Security.

• Configure and troubleshoot firewall policies, routing, NAT/PAT, IPS/IDS, antivirus, and related security technologies.

• Support SD-WAN deployment and optimization across global locations.

• Develop automation and infrastructure-as-code solutions to improve operational efficiency and consistency.

• Execute Change Management, including release and rollback activities through the Route to Live process.

• Manage vendor escalations and collaborate with global teams to resolve complex network issues.

• Mentor support teams, share technical knowledge, and participate in on-call rotations.

Required Knowledge And Experiences

• 6+ years of enterprise network engineering and operations experience in complex environments. 

• 3+ years of experience with VPN technologies, including Cisco AnyConnect and Zero Trust solutions. 

• 3+ years of experience supporting and optimizing enterprise wireless LAN environments. 

• 2+ years of experience with SD-WAN deployment and support. 

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent experience. 

Required Technical Skills 

• Strong knowledge of TCP/IP, Routing, Switching, VLANs, DNS, DHCP, NAT/PAT, and VPN technologies. 

• Experience supporting enterprise firewalls such as Cisco ASA, Palo Alto, Check Point, or equivalent. 

• Strong understanding of SD-WAN technologies, including Cisco Viptela and Meraki. 

• Experience configuring and optimizing Cisco Meraki, Aruba, or similar wireless LAN solutions. 

• Experience with ITIL, ITSM tools, Change Management, and release/rollback processes, plus strong English communication and the ability to collaborate across global teams and vendor partners. 

Desired Skills 

We’re also looking for the preferred skills below. Whether you are proficient or could use some brushing up, we’re happy to support your career development and growth in: 

• Cloud networking experience in Azure and/or AWS. 

• Relevant certifications such as CCNP, PCNSE, Aruba, or AWS/Azure Networking. 

• Experience with automation, scripting, or infrastructure-as-code tools. 

• Experience mentoring or coaching technical teams. 

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TransUnion Overview:

At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good, which empowers our people to grow, innovate and contribute to a better future for our communities and customers. We strive to build an environment where our associates are in the driver’s seat of their professional development— while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that’s why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence.

Be a part of our Workforce for Good – you’ll work with great people, pioneering products and cutting-edge technology.

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