Network Engineer

*Description*
American Express is building out a team of Network Engineers to support largescale data center network migration efforts in advance of a planned legacy data center decommission. This role will focus on designing, executing, and validating network migrations while operating in a highly controlled, enterprise environment with strict change management, risk controls, and sequencing dependencies.
The engineer will work closely with Data Center Engineering, Network Infrastructure, and Data Center Infrastructure (DCI) teams to support migration, cutover, stabilization, and eventual decommission readiness.
*Skills*
Network engineering, Router, Cisco routers, Bgp, Switches, Data center, Lan, Routing
*Top Skills Details*
- VXLAN
- Spine-Leaf
- Solid understanding of BGP
- Modern DC fabrics
- Handson experience with Cisco and/or Arista network hardware
- Strong troubleshooting skills in complex, multidependency environments
*Additional Skills & Qualifications*
Network Migration & Cutover:
- Support Layer 2 and Layer 3 network migrations between legacy and new data center environments
- Execute migration tasks associated with rackbyrack, zonebased, or wavebased cutovers
- Assist with dualrunning (coexistence) network states during phased migrations
- Support traffic validation, failover testing, and postmigration stabilization
Network Engineering & Operations:
Configure, validate, and modify network devices including switches, routers, and load balancers
Work with technologies such as Cisco and Arista switching platforms
Support EVPN/VXLAN and BGPbased designs
Troubleshoot L2/L3 connectivity issues during migration windows
Participate in change execution during approved maintenance windows
Change Management & Risk Control:
Participate in RFC creation, review, and execution following enterprise change processes
Ensure network changes align with documented runbooks and approved designs
Support rollback planning and issue resolution during migrations
Document network changes and support system updates as required
Decommission Readiness Support:
Collaborate with decommission teams to ensure network assets are properly isolated prior to decom
Assist with configuration removal and validation before hardware powerdown
Support clean network handoffs that reduce rework during physical decommission
*Experience Level*
Intermediate Level
*Job Type & Location*This is a Contract position based out of Phoenix, AZ.
*Pay and Benefits*The pay range for this position is $40.00 - $55.00/hr.
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:

* Medical, dental & vision


* Critical Illness, Accident, and Hospital


* 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available


* Life Insurance (Voluntary Life & AD&D for the employee and dependents)


* Short and long-term disability


* Health Spending Account (HSA)


* Transportation benefits


* Employee Assistance Program


* Time Off/Leave (PTO, Vacation or Sick Leave)
*Workplace Type*This is a hybrid position in Phoenix,AZ.
*Application Deadline*This position is anticipated to close on Jun 30, 2026.

About TEKsystems


We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services


We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

*San Francisco Fair Chance Ordinance:* Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

*Massachusetts Lie Detector:* It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

*Use of Artificial Intelligence (AI):* We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.