Hybrid Cisco & Linux Infrastructure Engineer (TS/SCI)

Northstrat Incorporated; Sterling (VA); Hybrid; USD 110,000 - 150,000; Full time

Benefits offered by this job

Work-life balance

Individual Benefit Account (IBA)

Profit Sharing Plan (PSP)

Stock options

Lifelong learning

Diversity and inclusion

Job summary

Northstrat Incorporated seeks an Infrastructure Engineer to design, implement, secure, and maintain our enterprise infrastructure in a hybrid on‑premises and cloud environment. The role emphasizes Cisco networking, security, and strong Linux system administration experience, with hands‑on execution in production environments.

The ideal candidate will have DoD TS/SCI clearance, Security+ or higher, and 5+ years in network engineering and systems administration, plus experience with virtualization

Qualifications

• Must have a current and active DoD TS/SCI clearance.
• CompTIA Security+ (or equivalent) or better is required.
• At least 5+ years of experience in network engineering and systems administration.

Responsibilities

• Design, implement, secure, and maintain enterprise infrastructure.
• Configure and support Cisco routers and switches; firewalls; ISE; VLANs and routing.
• Deploy and manage VPNs; monitor health; troubleshoot Layer 2/3 issues.

Skills

Cisco networking

Linux administration

Network security

VPN

Troubleshooting

Tools

Ansible

Puppet

SolarWinds

Nagios

Zabbix

AWS

Azure

GCP

Job description

Northstrat Incorporated seeks an Infrastructure Engineer to design, implement, secure, and maintain our enterprise infrastructure in a hybrid on‑premises and cloud environment. The role emphasizes Cisco networking, security, and strong Linux system administration experience, with hands‑on execution in production environments.

The ideal candidate will have DoD TS/SCI clearance, Security+ or higher, and 5+ years in network engineering and systems administration, plus experience with virtualization