Senior Network Engineer at Chewy

| Greater Boston Area
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Our Opportunity:

As part of the infrastructure engineering team based in our Boston, MA office, the Senior Network Engineer will plan, design, implement, and support enterprise networking infrastructure across on premise and public cloud environments (AWS direct connect preferred). Key responsibilities include configuring, maintaining, optimizing, and troubleshooting new and existing network hardware, software, and communication links. Works on complex network issues; documentation, analysis and resolution of escalated tickets. The successful candidate will be a self-starter who exceeds with minimal supervision and works within teams using agile engineering principles.

What You'll Do:

  • Plan, design, test, implement and continuous improvement of enterprise datacenter and hybrid cloud network solutions.
  • Maintain accurate diagrams and configurations for all network infrastructure.
  • Procure, turn-up, and troubleshoot both private and public WAN circuits.
  • Participate in the creation of a DevOps-enabled automated CI/CD solution that delivers tools and processes for rapid application development efforts and on-going production operations.
  • Possess and maintain a deep understanding of IaaS and PaaS services offered on cloud platforms and understand how to design and operate networks to support ease of use, self-service, automation, and reliability of services.
  • Collaborate across the IT organization to provide end-to-end solutions.
  • Assist with evaluation, standardization, deployment, maintenance and documentation of new solutions.
  • Provide Tier III escalation support of network service incidents to diagnose problems and resolve time-critical issues.
  • Assume technical ownership in network engineering using industry proven best practices to build secure and stable networks.
  • Interact with application and development teams to provide network troubleshooting and guidance for quick problem resolution.
  • Develop solid working knowledge of Cisco and other vendor networking technologies.
  • Configure, install, and maintain network devices
  • Provide guidance and training to junior members of the team.
  • Regular review and scheduling of firmware updates, preventative maintenance, cyclical replacements and upgrades, and security of all network devices.
  • Participate in 24/7 support and on-call rotation
  • Develop and execute infrastructure automation tasks via Ansible, Chef or other frameworks
  • Analyze network activity and network problems to discover and prevent systematic errors.

What You'll Need:

  • Cisco certifications are strongly desired (CCNA/CCDP/CCNP/CCIE or equivalent work experience a must).
  • Experience building and maintaining Cisco spine-and-leaf network models is required. Experience with VXLAN MP-BGP EVPN.
  • 7 years’ experience with designing, implementing, upgrading and supporting Cisco networking and security infrastructure.
  • Experience with advanced datacenter technology including… VSS, vPC, FCoE, VXLAN, OTV, LISP, EVPN, ECMP, etc.
  • 2-5 years of strong experience directly related to hybrid cloud computing (AWS, Azure, GCP, Private).
  • Strong experience in implementing & configuring AWS Direct Connect solutions.
  • AWS certifications are desired (AWS Certified Advanced Networking or equivalent experience).
  • Extensive understanding and experience with Cisco hardware including: Nexus, Catalyst, ISR, ASR and ASA.
  • Expertise with Cisco IOS, IOS XR, IOS XE and NXOS on multiple platforms.
  • Extensive experience building and maintaining Cisco three tier data center models (core, aggregation, access) for enterprise.
  • Extensive experience in designing, building and maintaining TCP/IP based enterprise networks is required including the following technology areas: LAN (Branch, Building, Campus), WAN (MPLS, DMVPN, iWAN), Edge (Internet, VPN).
  • Experience with EIGRP, BGP, IPSEC, iWAN, VXLAN VRF, VLAN, VTP, DLSW, QoS, NHRP, PfRv3, STP, and netflow.
  • Understanding of load balancing integration.
  • Experience with Cisco ASA, Checkpoint, or other firewalls.
  • Knowledge of supporting IP-based voice and video systems, including implementing QoS on both LAN and WAN infrastructure.
  • Familiarity with hosted collaboration services for VoIP systems and with SIP integration techniques across systems and carriers.
  • Network Design Engineering experience related to Data Centers in virtualized and cloud environments.
  • Ability to design and implement complex network systems and the ability to explain complex issues to others.
  • Knowledge of automation and scripting (Python, TCL, Perl, Ansible, Chef or others).
  • Understand and follow Cisco Validated Design solutions.
  • Ability to work well within a team; good interpersonal relational skills.
  • Experience in coordination with multiple groups, companies, and people simultaneously.
  • Effective verbal & written communication skills.
  • Adhere to Change Management policies and procedures
  • Position may require some travel


  • A bachelor’s degree in computer sciences or equivalent
  • Experience with Storage and storage protocols such as FCOE, FC, and NAS is highly preferred
  • Administration of F5 load balancers
  • Knowledge of network security solutions / services including IPS/IDS, FIM, DDoS and SIEM
  • Administration experience of Cisco UCS and supporting infrastructure
  • Experience with VMWare
  • Experience with network diagnostic, monitoring and analysis tools (e.g. SolarWinds network tools)
  • Certification in ITIL
  • Working knowledge of IT tools such as Confluence, JIRA, Service Now, and Remedy

If you have a disability under the Americans with Disabilities Act or similar law, or you require a religious accommodation, and you wish to discuss potential accommodations related to applying for employment at our company, please contact [email protected]


To access Chewy’s Privacy Policy, which contains information regarding information collected from job applicants and how we use it, please click here: Chewy Privacy Policy.

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Technology we use

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Located in the Fort Point neighborhood, home to many of Boston's hip and upcoming restaurants along with emerging technology companies.

An Insider's view of Chewy

How would you describe the company’s work-life balance?

It's refreshing being a part of a team dedicated to getting the job done, without quilting you into extra hours. While we are in the retail space, we are always supportive of the team's needs. I don't feel guilty about asking for help if I'm pressed for time and need to get back to my family. The flexibility around working from home has been great


Senior Product Manager

What projects are you most excited about?

Our team loves working on new app features that are requested by our customers! We get the most excited when our app users send us a request and then that idea comes to life in the next app update. We take our customer’s feedback very seriously!


Mobile Product Manager

How has your career grown since starting at the company?

Chewy gives a significant amount of freedom and autonomy to do your best work. I am able to pursue the most important objectives, and work that I really enjoy. It’s an amazing feeling to see your hard work pay off immediately and have a positive impact on the team—and something that makes life at Chewy really unique!


Human Resources Business Partner

How do you make yourself accessible to the rest of the team?

Aside from the standard 1x1s and team meetings: 24/7 via text, email, chat, voice and during business hours by walking around the office engaging in conversation, listening to current challenges and proposed solutions.


VP, Software Engineering

What are Chewy Perks + Benefits

Chewy Benefits Overview

We got you covered when it comes to competitive salaries, unlimited time off, medical & dental insurance, 401k and happy hour. True to our business, we're pet-friendly and have fun pet-related perks like Paw-ternity leave for new pup parents. Of course, the biggest perk is being able to work alongside smart, driven and passionate team members who are changing the world every day.

Volunteer in local community
Partners with Nonprofits
Friends outside of work
Eat lunch together
Intracompany committees
Daily stand up
Open door policy
Team owned deliverables
Team based strategic planning
Group brainstorming sessions
Pair programming
Open office floor plan
Highly diverse management team
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
We offer a commuter transit, parking, and dependent care FSA.
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Pet Insurance
Retirement & Stock Options Benefits
401(K) Matching
Child Care & Parental Leave Benefits
Generous Parental Leave
Flexible Work Schedule
Family Medical Leave
Return-to-work program post parental leave
Vacation & Time Off Benefits
Unlimited Vacation Policy
Paid Holidays
Paid Sick Days
Employees receive 40 hours per year of paid sick leave.
Perks & Discounts
Beer on Tap
Casual Dress
Commuter Benefits
Company Outings
Game Room
Our game room includes Ping Pong, Pool Table, Foosball, Video Games.
Stocked Kitchen
Some Meals Provided
Happy Hours
Pet Friendly
Recreational Clubs
Chewy sponsors office sports leagues year-round.
Relocation Assistance
Professional Development Benefits
Job Training & Conferences
Diversity Program
Lunch and learns
Cross-functional lunch and learns.
Cross functional training encouraged
Promote from within
Mentorship program
Our mentorship program includes 1-to-1 program, Career mentoring, Leadership mentoring.
Online course subscriptions available
Customized development tracks
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