Principal Network Engineer — Hybrid Cloud & Security

Leidos; McLean (VA); On-site; USD 126,000 - 210,000; Full time

Benefits offered by this job

Paid Time Off

11 paid holidays

401K with company match

Flexible schedules

Education and training support

Parental Paid Leave

Job summary

Leidos seeks a Principal Network Engineer to lead enterprise network design and operations across on-premises and cloud environments. You will guide architecture, implement upgrades, and drive reliability for critical systems.

The role requires strong Cisco/Nexus experience, ITIL/SAFe familiarity, and active TS/SCI with Polygraph. The position offers competitive benefits and opportunities to shape national security networks.

Qualifications

• Bachelor’s with 12+ years of experience or Master’s with 10+ years of experience.
• Active TS/SCI with Polygraph is required.
• Experience leading major tasks with technical domain knowledge.

Responsibilities

• Design, install, configure, and maintain enterprise networks and cloud resources.
• Update technologies, tune performance, and apply critical patches.
• Perform risk assessment and ensure SLA compliance with documentation.
• Ensure disaster recovery and monitor metrics for KPIs and SLAs.

Skills

Cisco/Nexus architecture

IP Routing

ITIL

SAFe Agile

DevOps

GitHub/Jenkins/Ansible

TS/SCI with Polygraph

Education

Bachelor’s degree +12+ years

Master’s degree +10+ years

Tools

Cisco Nexus hardware

Job description

Leidos seeks a Principal Network Engineer to lead enterprise network design and operations across on-premises and cloud environments. You will guide architecture, implement upgrades, and drive reliability for critical systems.

The role requires strong Cisco/Nexus experience, ITIL/SAFe familiarity, and active TS/SCI with Polygraph. The position offers competitive benefits and opportunities to shape national security networks.