Job Description

Position Summary...

What you'll do...

At Walmart Labs a line of code can change the way the world shops. With Walmart the Network Services DDI team drives competitive advantage by enhancing our consumer experiences, enabling business growth, and advancing operational excellence. DDI Operations team holds accountability for the availability and stability of the DDI services. This includes systems in locations such as Data Centers, Public Cloud, Stores, Distribution Centers and Home Office. Join our team of technologists and be on the forefront of a smarter future.

The Senior Network Engineer will ensure that we are developing the most appropriate plans for incident recovery, changes, and adherence to configuration standards.

* The Senior Network Engineer need to apply his or her deep technical expertise in DNS, DHCP & IP Address Management (IPAM), BIND, Python, Coding, Scripting, Ansible, Terraform, PCI compliance, DNS query optimization and general innovation. Responsibilities: The DDI - DNS, DHCP & IPAM Operations team focus is to deliver highly available DDI services to the business. The system capabilities include self-service utilities, IPv4/IPv6 address management, API access to and from external systems.
* Provide senior level operational support for the DDI Infrastructure, including Infoblox Grids, DHCP servers, BIND servers.

Activities include:

* Identify requirements and develop system checks to be performed by others, focusing on the system health, performance, alerting and proactive maintenance.
* Identify potential risks and take initiative to improve system health and performance Identify requirements and develop method of procedures (MOP) for system level maintenance change activity, add respective MOPs to library for consistent implementation Identify requirements and develop training recommendations for the DDI Operations Team, other Walmart IT Technical Teams, etc.
* Act as a DDI Operations Subject Matter Expert (SME) for DDI Operations Team, internal Walmart business units or Site Reliability Engineer as escalation resource for troubleshooting DDI system problems, abnormalities or impact.
* Act as point of contact working with other Walmart Engineering and Architecture Teams

Basic Qualifications:

10+ years of experience in technology related fields, with at least:

* 4 years of experience in operationally focused positions
* 5 -10 years of supporting enterprise level, mission critical systems in either a large IT shared services organization or telecom service provider environment
* Proficient level knowledge and understanding of DDI - DNS, DHCP & IP Address Management (IPAM), BIND, Python, Scripting, Ansible, Terraform, REST API
* Understanding of TCP/IP version 4 & 6 as it relates to DDI support
* Ability to understand fairly complex infrastructure quickly during major incidents and provide technical leadership appropriately.
* Drive automation and create software for the DDI platform which includes the use of Python, Ansible, internal tools and developing workflows to them available to DDI consumers.
* Ability to communicate and multi-task under pressure ITIL V3 and advanced certification is a plus. Exceptional communication skills are a must.
* Demonstrated ability to communicate effectively at a variety of levels and to communicate intricate technical and procedural matters to both technical and non-technical personnel across diverse cultures.
* Strong customer, quality and results orientation.
* Ability to be an effective team member and technical leader
* Ability to recognize and embrace change as the external environment and organization evolves
* Previous experience with Infoblox DDI, system administration, troubleshooting and support in large Enterprise environments.
* The ideal candidate will have experience in automating DNS workflows: a subject matter expert that understands what DNS can and can't do.
* Support escalation requests from analysts and internal customers

Preferred Qualifications:

* Experience with Infoblox highly preferred
* Experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of progressive growing environment.
* Exposure to Public Cloud preferred.
* Linux experience, TCP/IP protocols, subnet masking
* Scripting and programming language experience in Python
* Understanding of internet protocols such as HTTP and DNS
* Tools Experience: Visio (or Draw.IO), Splunk, Grafana, Wireshark.
* Familiarity with load balancing methodology
* Experience with PCI-compliant infrastructure preferred
* Strong communication skills both verbal and written

Required Education:

* Bachelor's Degree in Computer Science or commensurate experience in related field or equivalent work experience



Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Minimum Qualifications
Bachelor of Science and 4 years network engineering experience OR Master of Science and 3 years network engineering experience OR PhD OR
6 years network engineering experience



Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Building or implementing multiple types of infrastructure technologies (for example, routers, switches, servers), Designing, leading, and implementing technology projects., Troubleshooting network infrastructure problems

Information Technology - CISCO Certified Network Professional - Certification



Primary Location...

2628 NE UNIVERSITY VILLAGE ST, SEATTLE, WA 98105-5023, United States of America