Network Solutions Architect - ADMS

Leidos • South Plainfield, NJ

4d • Hybrid

About The Position

Leidos is seeking an experienced Network Solutions Architect to support large IT projects for their Utility Technologies Solutions team. This role will drive the execution and delivery of IT projects for an electric utility client, focusing on modernizing network infrastructure and improving real-time operational reliability through a major Utility Hardware Upgrade initiative. The architect will be responsible for developing network and security architectures, creating firewall designs, building and integrating supporting server infrastructure, and coordinating testing and validation with ADMS stakeholders. The ideal candidate possesses deep expertise in networking, security technologies, enterprise firewall architectures, infrastructure integration, and large-scale utility or mission-critical environments. This position is based in South Plainfield, New Jersey, requiring onsite work three days per week.

Requirements

• Bachelor’s degree and at least 8+ years of experience working as a network architect with experience in designing and documenting enterprise network architecture. Additional years of experience may be considered in lieu of a degree.
• Strong experience designing firewall architectures and network segmentation strategies.
• Experience building and integrating Windows and/or Linux server environments.
• Experience developing network architecture diagrams and technical design documentation.
• Knowledge of enterprise cybersecurity frameworks and secure network design principles.
• Experience coordinating testing, deployment, and validation activities across multiple technical teams.

Nice To Haves

• Familiarity with utility operational systems such as ADMS, SCADA, OMS, DMS, DERMS, or GIS.
• Understanding of secure OT/IT integration, telemetry communications, and grid operations environments.
• Experience with high-availability architectures, disaster recovery, and resilient network design.
• Knowledge of NERC CIP, IEC 62443, or other critical infrastructure security standards.
• Prior experience working within utilities or other highly regulated industries preferred.

Responsibilities

• Architect and design new enterprise network environments utilizing Cisco routing, switching, and security technologies.
• Develop comprehensive network security architectures, standards, and implementation roadmaps.
• Design and document firewall architectures, security zones, access control policies, and network segmentation strategies.
• Create detailed network diagrams, firewall schematics, data flow diagrams, and implementation documentation.
• Lead greenfield and modernization projects from architecture through deployment.
• Build, configure, and integrate supporting server infrastructure required for network and security solutions.
• Coordinate infrastructure integration activities across network, server, cybersecurity, and application teams.
• Support deployment and commissioning of operational technology (OT) and ADMS environments.
• Develop test plans, validation procedures, and implementation strategies for network and security solutions.
• Coordinate system integration testing (SIT), user acceptance testing (UAT), and operational readiness activities with ADMS teams.
• Perform security assessments, risk analysis, and architecture reviews to ensure compliance with organizational and regulatory requirements.
• Provide technical leadership during troubleshooting, cutovers, and production implementations.
• Collaborate with vendors, engineering teams, cybersecurity teams, and project stakeholders throughout the project lifecycle.
• Support operational excellence through adherence to established Service Level Agreements (SLAs).

Benefits

• Leidos' Mission, Vision, and Values

What This Job Offers

• Job Type: Full-time
• Career Level: Senior