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Network Engineer / Network Architect (OT / ICS - DOE Energy Sector)
 

Make an Impact in America's Energy Future

Are you passionate about building secure, resilient networks that keep critical infrastructure running safely and reliably? Do you thrive in environments where precision, safety, and mission-driven engineering truly matter? If so, we want you on our team.

We're looking for a talented Network Engineer / Network Architect to help modernize and secure Operational Technology (OT) and Industrial Control System (ICS) environments that support some of the nation's most critical energy-sector operations. This is a chance to work at the crossroads of advanced engineering, cybersecurity, and national mission support-directly contributing to safe, efficient operations across nuclear, highvoltage, and facilityscale systems.

What You'll Do

Design the OT Networks That Power Critical Operations
Architect secure, segmented OT/ICS networks using the Purdue Model (Levels 0-3)
Develop highavailability, deterministic designs supporting SCADA, PLCs, DCS, historians, and realtime automation
Implement secure vendor/remote access pathways aligned to cybersecurity frameworks
Build zoning, conduits, DMZs, and trusted dataflow architectures for mission operations
Design and support industrial protocol environments (Modbus, DNP3, EtherNet/IP, OPCUA, Profinet, IEC 61850, BACnet)

Engineer, Deploy, and Operate OT Infrastructure
Configure and maintain industrialgrade switches, routers, firewalls, and ruggedized hardware
Support facility systems such as building automation, utilities, power systems, and nuclear/experimental equipment
Maintain diagrams, inventories, IP schemas, and documentation aligned with cybersecurity and configuration controls

Advance OT Cybersecurity & DOE Compliance
Apply NIST 80082, NIST 80053/171, and ISA/IEC 62443 security controls
Support DOE readiness activities, audits, and assessment documentation
Collaborate with Cybersecurity teams on firewall policies, monitoring, logging, and threat detection
Support vulnerability management while maintaining operational uptime in sensitive environments

Automate, Monitor & Sustain Critical Systems
Build automation workflows (Ansible/Python) where safe and appropriate
Integrate network health and security telemetry using approved OT monitoring platforms (Nozomi, Claroty, Splunk, SolarWinds, ELK/Grafana)
Develop crisp documentation, changecontrol packages, and incident response materials

What You Bring

Required:
5-10+ years in network engineering/architecture, including 3+ years supporting OT/ICS in critical infrastructure
Experience with:
- SCADA, historians, PLC/DCS systems
- Industrial protocols such as Modbus, DNP3, EtherNet/IP, OPCUA, Profinet
- NIST 80082, NIST 80053/171, and related frameworks
- Industrial network gear (Cisco IE/Stratix, Hirschmann, Moxa)
- OT firewall/DMZ architecture (Palo Alto, Fortinet, ASA)
Experience in energy, utilities, nuclear, national labs, or similarly highsecurity sectors
Strong collaboration with Controls, Facilities, Cybersecurity, and mission support partners

Preferred:
Certifications such as CCNP/CCIE, GICSP, ISA/IEC 62443, CISSP, PCNSE
Experience with OT cybersecurity platforms (Nozomi, Claroty, Dragos)
Background supporting DOE or other highly regulated environments
Familiarity with cyber audits, readiness reviews, and facility safety/security protocols

Work Environment

Onsite role supporting plantfloor and missioncritical operations
Occasional 24/7 oncall participation
Travel to facilities, secured areas, or plant locations as needed
PPE and safety training required
Must be eligible for Q or L clearance

Success in This Role Looks Like

More resilient, visible, and secure OT network operations
Successful execution of Purdue Model and 62443aligned segmentation
Clear, consistent configurationmanaged network baselines
Reduced OT network incidents and stronger facility support
Strengthened cybersecurity posture across missioncritical systems

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

This position will require a pre-employment background check and a pre-employment drug test.

Centrus Energy and all subsidiaries shall abide by the applicable legal requirements. We prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity or national origin.

This position requires the successful candidate to obtain and maintain a Q security clearance.  Candidates for positions requiring a security clearance are required to be tested for the absence of any illegal drug as defined in 10 CFR 707.4 prior to an offer of employment being made.  In addition, once employed, employees will become part of a random drug testing program and may also be tested in the event of any incident causing injury or causing damage to property, or if it is determined that there is a reasonable suspicion the employee is under the influence of drugs or alcohol.  This position will require preemployment background check on the part of the Company and in order to receive a Q security clearance, a background investigation by the Federal government.  Subsequent Federal government reinvestigations may be required.

Centrus Energy Corp. is an Equal Opportunity Employer.