Hi All,
I am hiring for below mentioned role.
Job Title: Network Test/Validation Engineer
Work Location: Redmond Wa
Work Arrangement: Onsite
Employment Type: Full-time
Application Deadline: Applications are accepted on an ongoing basis until the position is filled.
Seeking a Network Test/Validation Engineer with strong experience in Routing/Switching, VxLAN/EVPN, MPLS, QoS, and RoCE, focused on solution‑level and high‑scale testing.
Key Responsibilities
Perform solution and scale testing for VxLAN/EVPN, MPLS overlays, QoS, and RoCE/RoCEv2
Design and execute high‑scale traffic and protocol emulation.
Validate throughput, latency, jitter, loss, microbursts, and convergence at scale
Test QoS behaviors (classification, queuing, shaping, policing, congestion handling)
Validate RoCE lossless fabrics (PFC, ECN, congestion behavior, latency sensitivity)
Automate test execution and reporting using Python/REST APIs
Produce clear test plans, results, and defect reports
Required Skills
6–8+ years in network testing/validation or performance engineering
Strong hands‑on expertise with VxLAN/EVPN and MPLS
Solid understanding of QoS design and validation
Experience testing RoCE / RoCEv2 environments
Python‑based test automation experience
Strong protocol knowledge: BGP (EVPN), OSPF/IS‑IS, ECMP
Preferred
Data center leaf‑spine or large‑scale fabric testing
Experience with lossless Ethernet and congestion management
Exposure to multi‑vendor environments
NLB Services is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to any legally protected characteristic, including disability and protected veteran status. For recruitment accommodations, contact your recruiter or [email protected].
Reasonable Accommodation
NLB Services provides reasonable accommodations during the recruitment process as required by law. Applicants requiring an accommodation due to a disability, pregnancy-related limitation, or sincerely held religious belief, practice or observance may contact their recruiter or email [email protected].
Benefits
Based on employment status and assignment, eligible employees may receive benefits, such as Medical, Dental and Vision Insurance, Health Insurance, Disability Insurance, etc. Eligibility and benefit terms vary by assignment.
Other Important Terms
Applicants must be legally authorized to work in the United States.
Any employment offer may be contingent upon job-related screening, employment eligibility verification and other requirements permitted by applicable law.
Following a conditional offer of employment, candidates may be required to complete job-related background screening, which may include criminal history checks and/or drug testing, as applicable and permitted by federal, state, and local law.