Technical Expert/Functional Expert (Network)

Reflexive Concepts, LLC; Maryland; On-site; USD 150,000 - 190,000; Full time

Job summary

Reflexive Concepts, LLC is seeking a skilled Technical Expert/Functional Expert (Network) to lead network architecture and operations across mission HPC environments—from enterprise fabrics to high-performance interconnects.

The role requires ten years of network engineering experience, a relevant degree, and an active TS/SCI clearance with a full-scope polygraph. An on-call commitment is included, with project support across multiple buildings as needed.

Qualifications

• Ten (10) years of network engineering experience.
• Bachelor's Degree or higher in a related technical field (or 15 years total with substitution).
• DoD 8570 IAT Level II certification (with verification code).
• Active TS/SCI clearance with full-scope polygraph (recent poly within 7 years).

Responsibilities

• Lead network architecture and operations across mission HPC environments.
• Support enterprise fabrics and high-performance interconnects.
• Manage on-call duty as required.
• Coordinate with cross-functional teams for system integration.

Skills

TCP/IP networking depth

Routers/Switches: Cisco

Routers/Switches: Juniper

Linux: RHEL/CentOS/ Rocky/SLES/Ubuntu

DoD 8570 IAT Level II

Active TS/SCI clearance with polygraph

On-call support

Education

Bachelor's degree or higher in a related technical field

Tools

Jira

Confluence

Grafana

Prometheus

Nagios

Salt

Ansible

Job description

Reflexive Concepts is seeking a skilled Technical Expert/Functional Expert (Network) to join our growing team!

Reflexive Concepts is seeking a Technical/Functional Expert (Network) to lead network architecture and operations across mission HPC environments — from enterprise fabrics to high-performance interconnects.

Work location is NBP 324; the team may relocate to NBP 140, so candidates should be comfortable supporting either building.

Qualifications

• Ten (10) years of network engineering experience
• Bachelor's Degree or higher in a related technical field
• An additional five (5) years of network engineering experience may be substituted for the degree, for a total of Fifteen (15) years

Required

• TCP/IP networking depth, including storage fabrics
• Routers/switches: Cisco and Juniper (Arista is being incorporated)
• Linux fluency on RHEL, CentOS, Rocky, SLES, or Ubuntu
• DoD 8570 IAT Level II certification (with verification code)
• Active TS/SCI clearance with full-scope polygraph (most recent poly within 7 years)
• This position carries an on-call requirement.

Desired Skills

• High-speed networking: InfiniBand, Slingshot
• Benchmarking tools: iperf, lnet_selftest, IOR, FIO
• Familiarity with Jira, Confluence, Grafana, Prometheus, Nagios, Salt, and Ansible