Remote Senior Network Engineer – Cisco SD‑WAN (Active Secret)

Leidos; United States; Remote; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking a Senior Network Support Engineer to support the Army Global Unified Network (AGUN) program. This remote, U.S.-based role requires active Secret clearance and DoD IAT Level II certification, with hands-on Cisco SD-WAN experience and VMware/RHEL expertise.

You will handle on-call incident response, network optimization, migrations, and cross-team collaboration within a global, secure environment to ensure reliable, mission-ready communications.

Qualifications

• Active Secret clearance required for consideration.
• DoD IAT Level II certification required before starting.
• Hands-on Cisco SD-WAN experience with enterprise networks.
• Knowledge of Software Defined Networking (SDN) concepts.
• VMware virtualization and Red Hat Enterprise Linux (RHEL) experience.
• Experience with InfoVista network performance tools.
• Experience with ITSM ticketing systems for incident mgmt.
• Ability to work independently with remote teams.

Responsibilities

• Ensure 24/7/365 network availability, performance, and security.
• Troubleshoot complex network incidents and outages.
• Configure and support Cisco SD-WAN and enterprise networks.
• Implement approved configuration changes and security updates.
• Manage tickets using Jira Service Desk or ITSM tools.
• Monitor performance and recommend improvements.
• Support network migrations, system integrations, and cutovers.
• Collaborate with remote engineers during incident response.

Skills

Active Secret clearance

DoD IAT Level II

Cisco SD-WAN

SDN knowledge

VMware virtualization

RHEL knowledge

InfoVista tools

ITSM familiarity

LAN/WAN, BGP basics

Education

Bachelor's degree + 8+ years experience

Master's degree + 6+ years

Job description

Leidos is seeking a Senior Network Support Engineer to support the Army Global Unified Network (AGUN) program. This remote, U.S.-based role requires active Secret clearance and DoD IAT Level II certification, with hands-on Cisco SD-WAN experience and VMware/RHEL expertise.

You will handle on-call incident response, network optimization, migrations, and cross-team collaboration within a global, secure environment to ensure reliable, mission-ready communications.