Network Engineer III

Reflexive Concepts, LLC; Fort Meade (MD); On-site; USD 110,000 - 160,000; Full time

Job summary

Reflexive Concepts, LLC is seeking a skilled Network Engineer III to join our team in Fort Meade, MD. You will lead network design, implement scalable solutions, and maintain core infrastructure to keep services secure and reliable.

The role requires a strong Linux background, CCNA/CCNP, and Security+ certification, plus extensive hands-on experience with routers, switches, and firewalls. The successful candidate will document standards and monitor network performance.

Qualifications

• Twelve years of experience supporting projects and programs similar in scope and complexity.
• Bachelor's Degree in Computer Science or a related field.
• CCNA or CCNP certification and Security+ certification are required.

Responsibilities

• Perform Network Engineering tasks and functions.
• Develop, plan, and implement scalable network solutions, new layouts, and upgrades.
• Install, configure, and maintain network hardware (routers, switches, firewalls) and software.
• Implement and manage network security measures, including firewall rules, access controls, and security protocols to protect data.
• Resolve network issues.
• Monitor network health, analyze traffic, and improve visibility through metrics and alerting.
• Create and maintain network documentation, policies, and procedures.

Skills

Network engineering

Firewall configuration

Linux proficiency

Documentation & metrics

Network monitoring

Education

Bachelor's degree in Computer Science or related field

Tools

Juniper routers

Cisco routers/switches/firewalls

Palo Alto firewalls

Dell/Linux servers

Ansible

Nutanix

Rubrik

Nomad containers

SALT scripts

LibreNMS

NetBox

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
• Bachelors Degree in Computer Science or a related field

Duties and Responsibilities:

• Perform Network Engineering tasks and functions
• Develop, plan, and implement scalable network solutions, new network layouts, and upgrades
• Install, configure, and maintain network hardware (routers, switches, firewalls) and software
• Implement and manage network security measures, including firewall rules, access controls, and security protocols to protect data
• Resolve network issues
• Monitor network health, analyze traffic patterns, and improve visibility through metrics and alerting
• Create and maintain network documentation, policies, and procedures

Required:

• Minimum of 3 years as a Network Engineer (within the last 3 years)
• Proficient with Linux; Linux system administration experience is a plus
• CCNA or CCNP certification
• Security+ certification

Desired:

• Juniper and Cisco routers, switches, and firewalls
• Palo Alto firewalls
• Dell and HPE Linux servers
• Experience with patching and upgrading Linux servers and networking resources
• Ansible
• Nutanix (VM management)
• Rubrik (data storage)
• Nomad containers
• SALT scripts
• LibreNMS
• NetBox