Senior Network Engineer III: Cloud, Security & Mentorship

Sierra Nevada Corporation; Southern Pines (MD); Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

401(k) with company match

Medical, dental, and vision

Paid time off

Tuition reimbursement

Job summary

Sierra Nevada Corporation seeks a Network Engineer III to lead and deliver secure network infrastructures across the enterprise. You will design, implement, and maintain network architectures, drive new technologies, and mentor junior engineers.

You will configure cloud environments (Azure/AWS), manage Windows and Linux systems, and ensure policy compliance within a fast-paced, collaborative team. Hybrid office environment with security clearances required.

Qualifications

• Bachelor’s degree in a related field.
• 5+ years of experience in a related field.
• Experience substituted by higher level degree or more years of relevant work.
• Knowledge of TCP/IP, DNS, DHCP protocols and services.
• Experience with IDM/Active Directory user and asset management.
• Experience configuring Windows Server and Linux-based OS.
• Proficient in deploying solutions in Azure and AWS.
• Experience with virtualization/Hyper-Converged infrastructure.
• Familiarity with Cybersecurity Maturity Model Certification (CMMC).
• Ability to work with DevOps and engineering teams in DevSecOps initiatives.

Responsibilities

• Design, implement, expand, and maintain secure network architectures.
• Drive adoption of new technologies and best practices within the team.
• Oversee development and enforcement of network security policies and procedures.
• Azure and AWS configuration and maintenance.
• Windows Server and Linux OS configuration and maintenance.

Skills

TCP/IP

DNS

DHCP

Network security

Project management

Mentoring

DevSecOps collaboration

Strong communication

Education

Bachelor’s degree

Tools

Microsoft Azure

Amazon AWS

Windows Server

Linux

IDM & Active Directory

Hyperconverged/ virtualization

CMMC

Bash/Python/PowerShell

Docker

Kubernetes

Job description

Sierra Nevada Corporation seeks a Network Engineer III to lead and deliver secure network infrastructures across the enterprise. You will design, implement, and maintain network architectures, drive new technologies, and mentor junior engineers.

You will configure cloud environments (Azure/AWS), manage Windows and Linux systems, and ensure policy compliance within a fast-paced, collaborative team. Hybrid office environment with security clearances required.