Platform Network Administrator

Quantum Sky; McLean (VA); On-site; USD 190,000 - 205,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k) match

Paid Time Off

STD/LTD/Life Insurance

Referral Bonuses

Professional development reimbursement

Parental leave

Job summary

Quantum Sky in McLean, VA is seeking a Platform Network Administrator to join a team building and operating next-generation data center networks that support AI and high-performance workloads. This role provides hands-on exposure to cutting-edge technologies and opportunities to grow into a senior network expert.

The position requires strong troubleshooting, ownership, and collaboration, with active TS/SCI clearance and IAM Level II.

Qualifications

• Proven ability to diagnose complex networking issues.
• Experience with data center networking concepts.
• Active TS/SCI clearance with Counterintelligence polygraph.
• IAM Level II to satisfy DOD 8570 IAT requirements.

Responsibilities

• Assist in documenting, monitoring, maintaining, and troubleshooting high-performance data center networking infrastructure.
• Learn, support, and develop expertise with BGP, ECMP, VXLAN, Spine-Leaf architectures, MCLAG, RoCEv2, and related technologies.
• Identify performance trends, capacity constraints, and emerging issues before they impact services.
• Partner with engineers to deploy, optimize, and scale network infrastructure for AI workloads.
• Investigate incidents, perform root cause analysis, and drive resolution.
• Participate in network upgrades, testing, and operational improvements.
• Travel up to 20% as needed to support deployments and maintenance.
• Expand technical expertise through hands-on learning and mentorship.

Skills

Troubleshooting

Analytical thinking

Ownership & accountability

Communication & collaboration

Adaptability

Learning mindset

Travel readiness

Tools

BGP

ECMP

VXLAN

Spine-Leaf

MCLAG

RoCEv2

Job description

Description

Quantum Sky is seeking a Platform Network Administrator. This role is ideal for someone with a foundation in IT systems, infrastructure, technical support, or networking who is eager to grow into a highly skilled Network Administrator. What matters most is your curiosity, initiative, determination, and willingness to continuously learn.

You'll join a team of experienced network, platform, and software engineers responsible for building and operating next-generation data center networks that support Artificial Intelligence (AI) and high-performance computing workloads. This is an opportunity to gain hands-on experience with industry-leading technologies while developing expertise in large-scale, mission-critical networking environments.

We're looking for someone who takes ownership, enjoys solving difficult problems, and is excited by the challenge of learning new technologies. If you're the type of person who likes to figure out how things work, improve processes, and continuously expand your knowledge, you'll thrive in this role.

Responsibilities:

• Assist in documentation, monitoring, maintaining, and troubleshooting high-performance data center networking infrastructure.
• Learn, support, and progressively develop expertise with advanced networking technologies, including BGP, ECMP, VXLAN, Spine-Leaf architectures, MCLAG, RoCEv2, and related technologies.
• Assist in identifying performance trends, capacity constraints, and emerging issues before they impact services or customers.
• Partner with experienced engineers to deploy, optimize, and scale network infrastructure supporting AI and other demanding workloads.
• Investigate incidents, perform root cause analysis, and drive issues to resolution.
• Participate in network upgrades, implementations, testing, and operational improvement initiatives.
• Continuously expand technical expertise through hands-on experience, self-directed learning, mentorship, and training opportunities.
• Travel up to 20% as needed to support deployments, installations, maintenance activities, and operational support.

Qualifications

Required:

• Strong troubleshooting, analytical, and problem-solving skills.
• Self-motivated with a strong sense of ownership, accountability, and follow-through.
• Excellent communication and collaboration skills.
• Ability to work effectively in a fast-paced environment where technology is continuously evolving.
• Willingness and enthusiasm to continuously learn and develop new technical skills.
• Ability to travel up to 20% (domestic and international).

Desired:

• Familiarity with networking fundamentals, including TCP/IP, routing, switching, VLANs, SNMP, and basic network troubleshooting.
• Experience with monitoring, telemetry, observability, alerting, or performance management tools.
• Exposure to Linux systems or Linux-based Network Operating Systems (NOS).

What Will Make You Successful:

• You are naturally curious and enjoy investigating how systems and technologies work.
• You take initiative and actively seek opportunities to improve processes, systems, and your own technical skills.
• You are comfortable tackling unfamiliar technologies and enjoy learning through hands-on experience.
• You take ownership of problems and remain engaged until they are resolved.
• You value teamwork and enjoy collaborating with others to solve challenging technical problems.
• You are motivated by growth and excited about developing into a subject matter expert in modern data center networking.

Clearance:

• Active TS/SCI clearance with Counterintelligence polygraph
• Have current IAM Level II to satisfy DOD 8570 IAT requirements

Location:

• Onsite, McLean, VA

About Quantum Sky

Compensation:

• Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically between $190,000-$205,000. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.

Benefits:

• Highlights of our benefits include Health/Dental/Vision, 401(k) match, Paid Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and parental leave.

The world the mission operates in is going post-quantum, contested, and machine-speed. Quantum Sky engineers the advantage across cyber, networks, software, and quantum because the mission demands dominance, not parity. We don't follow the map. We draw it.

At Quantum Sky, we believe that success starts with our people. We foster a collaborative, innovative, and mission-driven environment where every team member plays a critical role in shaping the future of technology. Are you ready to join #TeamQuantumSky?

Quantum Sky Engineering LLC is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, [sexual orientation, gender identity,] national origin, disability, status as a protected veteran, or any characteristic protected by applicable law.