Senior 5G & MPE Systems Engineer - DoD Interop Lead

CACI International Inc.; Fort Belvoir (VA); On-site; USD 90,000 - 190,000; Full time

Job summary

CACI International Inc. is seeking a Senior 5G & Mission Partner Environment (MPE) Systems Engineer to help shape Army DCS, G-6 NC4SI initiatives. You will bridge strategic discussions and execution, working directly with the customer to capture intent and architect action.

The role requires TS/SCI, 10+ years DoD wireless/telecom experience, and strong skills in 3GPP 5G, security, and cross-domain solutions; you'll present to senior leaders and support cross-domain data flows in secure networks.

Qualifications

• Must hold TS/SCI clearance and be eligible for access to sensitive information.
• Minimum 10 years of DoD progressive experience in wireless/network systems.
• Strong command of 3GPP 5G standards and RF spectrum management.
• Ability to translate complex concepts into actionable staff products for leadership.
• Experience advising military leaders and working with senior officials.

Responsibilities

• Lead 5G strategy and ORAN modernization for Army networks.
• Architect and guide secure, private 5G deployments and cross-domain interop.
• Collaborate with DISA/DoD to ensure secure data flows and mission alignment.
• Represent Army 5G interests in joint and international forums.

Skills

TS/SCI clearance

DoD wireless experience

3GPP 5G standards

Staff product development

Executive presentation

Zero-trust security

Cross-domain solutions

Education

Bachelor's degree or higher

Job description

CACI International Inc. is seeking a Senior 5G & Mission Partner Environment (MPE) Systems Engineer to help shape Army DCS, G-6 NC4SI initiatives. You will bridge strategic discussions and execution, working directly with the customer to capture intent and architect action.

The role requires TS/SCI, 10+ years DoD wireless/telecom experience, and strong skills in 3GPP 5G, security, and cross-domain solutions; you'll present to senior leaders and support cross-domain data flows in secure networks.