Network Engineer - Classified Environment

Oak Ridge National Laboratory•Oak Ridge, TN

About The Position

The Field Intelligence Operations Division is seeking an experienced Network Engineer to support the operation, maintenance, and security of classified, air-gapped network infrastructure. The role involves designing, implementing, administering, and troubleshooting enterprise networking equipment and services to maintain secure, reliable network operations in a collaborative, security-focused environment. An active Q or TS/SCI clearance is required for consideration, and the position also requires the ability to obtain and maintain an SCI clearance from DOE. The Network Engineer will support data center and office networks, manage critical network devices, monitor and resolve performance issues, and implement security controls and accreditation requirements. The role also supports disaster recovery and IT modernization, contributes to network architecture improvements, and provides technical guidance to junior team members. Experience in classified, air-gapped, or highly restricted environments and familiarity with DOE, DOW, and IC requirements are highly preferred. The position supports ORNL's mission and expects employees to demonstrate its core values of Impact, Integrity, Teamwork, Safety, and Service, while promoting an equitable and respectful workplace. The position is a Workplace Substance Abuse testing-designated role, requiring a pre-placement drug test and ongoing random drug testing; random polygraph testing may also apply. Visa sponsorship is unavailable.

Requirements

An active Q or TS/SCI clearance is required for consideration.
Ability to obtain and maintain a Sensitive Compartmented Information (SCI) clearance from DOE.
Bachelor of Science in Information Technology, Computer Science, or a related field, and at least 5 years of relevant network administration or engineering experience; an equivalent combination of education and experience may be considered in lieu of a degree.
Experience supporting enterprise-scale, multi-vendor network environments.
Ability to analyze requirements, user feedback, and operational needs to build and improve network services and infrastructure.
Experience developing technical documentation and maintaining operating procedures.
Knowledge of network security practices and government security standards, including NIST and DISA STIGs, in regulated or classified environments.
Ability to pass a pre-placement drug test and participate in an ongoing random drug testing program.

Nice To Haves

Experience with DOE, DOW, IC, and FISMA requirements.
Cisco Certified Network Professional certification or equivalent professional experience.
Strong communication skills and ability to work effectively with IT peers, engineers, architects, leadership, and mission stakeholders.
Experience working in classified, air-gapped, or otherwise highly restricted environments.

Responsibilities

Design, install, configure, monitor, patch, and troubleshoot data center and office networks.
Manage routers, switches, firewalls, VPNs, encryptors, and storage networks.
Perform hardware installation and replacement, cabling, and maintenance of fiber optic inventories.
Monitor network performance and resolve complex networking issues.
Implement network security controls and support system accreditation requirements.
Create and maintain network documentation, procedures, and continuity materials.
Support disaster recovery planning and implementation.
Lead network architecture improvements and support IT modernization efforts.
Evaluate emerging technologies and recommend solutions to improve performance, scalability, and security.
Collaborate with internal teams, leadership, sponsors, and stakeholders to identify requirements and support mission objectives.
Provide technical guidance and mentorship to junior team members.
Align behaviors, priorities, and interactions with ORNL's core values and promote a respectful workplace.