Platform Network Administrator

Job overview

Platform Network Administrator is an onsite role in McLean, VA. The stated salary range is $190,000–$205,000 per year. The role joins Quantum Sky’s team of network, platform, and software engineers supporting data center networks for AI and high-performance computing workloads. The administrator assists with monitoring, maintenance, troubleshooting, and deployment of network infrastructure while developing expertise in advanced networking technologies. The role contributes to reliable service by investigating incidents, identifying performance concerns, and working with experienced engineers on improvements and resolution.

What you'll do

• Document, monitor, maintain, and troubleshoot data center networking infrastructure
• develop expertise in BGP, ECMP, VXLAN, Spine-Leaf, MCLAG, and RoCEv2
• identify performance trends and capacity constraints
• assist with deployments and optimization
• investigate incidents and perform root-cause analysis
• participate in upgrades, implementations, testing, and operational improvements
• travel up to 20% as needed.

What we're looking for

Skills & competencies

platform network administrator

data center networking

ai workloads

high-performance computing

bgp

vxlan

spine-leaf

mclag

ts/sci ci polygraph

mclean va

quantum sky

$190,000–$205,000/year

Work arrangement

• Weekend coverage required

Benefits & perks

• Health, dental, and vision coverage
• 401(k) match
• paid time off
• short- and long-term disability
• life insurance
• referral bonuses
• professional development reimbursement
• parental leave.

Why this role

Requires active TS/SCI clearance with Counterintelligence polygraph and current IAM Level II certification.

About the employer

Quantum Sky is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.