Network Engineer III

Reflexive Concepts; Linthicum (MD); On-site; USD 120,000 - 150,000; Full time

Job summary

Reflexive Concepts, LLC seeks a skilled Network Engineer III to join our team in a mission-focused, highly secure environment. You will design, implement, maintain, and upgrade complex networks while ensuring performance and security in a software engineering setting.

The role requires deep knowledge of networking, experience with multiple vendors, and a current TS/SCI clearance with polygraph. You will contribute to forward-looking security initiatives and network inventory integration across

Qualifications

• Twelve (12) years of experience in projects with similar scope and complexity.
• Bachelor's degree in Computer Science or a related field required.
• Active TS/SCI with Full Scope Polygraph dated within the last 6 years.
• Strong understanding of computer networking architecture (Firewalls, Routers, Switches, Protocols).
• IAT Level 3 certification is required.

Responsibilities

• Provide network management support from design through implementation and upgrades.
• Analyze designs and documents; ensure network requirements support software engineering environments.
• Support Zero Trust Architecture capabilities and integrate network inventory with enterprise models.

Skills

Networking architecture

Zero Trust

Linux administration

Vendor configurations

Education

Bachelor's degree in Computer Science or related field

Tools

Forward Networks

Redseal

Job description

Reflexive Concepts is seeking a skilled Network Engineer III to join our team!

Qualifications:

• Twelve (12) years of experience supporting projects and programs similar in scope and complexity
• Bachelor's degree in Computer Science or a related field
• Active TS/SCI with Full Scope Polygraph dated within the last 6 years

Duties and Responsibilities:

• Provides assistance in all aspects of network management from network design through implementation, maintenance, and upgrading of existing networks; Analyzes design, specifications, and related documents; Implements communication system requirements to support the distributed functionality of a software engineering environment; Analyzes network characteristics (e.g. traffic connect time, transmission speeds, packet sizes and throughput), troubleshoots problems and recommends procurement of and/or modifications to network components
• Support the "Know your Network" Zero Trust Architecture Capabilities
• Responsible for implementing the Forward Networks commercial tool to capture, organize, and maintain all Mission Island network inventory, network maps, and associated vulnerabilities plus help integrate the inventory with High Side network enterprise model

Required:

• Strong understanding of computer networking architecture (Firewalls, Routers, Switches, Protocols, etc.)
• Proficiency with understanding configurations from multiple vendors such as Cisco, Palo Alto, Juniper, etc.
• Experience with Zero Trust related activities (hardening systems, customer ZT compliance requirements)
• Previous technical experience with system administration on Red Hat Enterprise Linux or similar
• Ability to read and understand system configuration files to verify correct ingestion into Forward Networks
• IAT Level 3 cert is required

Desired:

• Forward Networks/Redseal experience or comparable network modeling tool
• Networking certifications such as CCNP, JNCIP, AWS Certified Advanced Networking, or equivalent