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About the Role
Sr. OT Network Engineer
Location: Manassas, VA, US
Job ID: ATR 17935
Job Description
Job Title: Sr. OT Network Engineer
Job Location: Manassas, VA
Eligibility/Clearance: Must be authorized to work in the US
JOB DESCRIPTION
Architecture & Design
- Design and implement a segmented OT network architecture
transitioning from flat Layer 2 networks to SD-WAN-enabled,
zone-based architectures.
- Define network segmentation strategy (ISA/IEC 62443 zones and
conduits model) to isolate critical OT assets and control east-west
traffic.
- Engineer ring and/or resilient topologies across substations and
core OT sites to ensure deterministic communication and fault
tolerance.
- Develop SD-WAN design standards including:
- Underlay/overlay architecture
- Path selection policies (latency, jitter, packet loss)
- QoS for ICS protocols (e.g., DNP3, Mod...
Location: Manassas, VA, US
Job ID: ATR 17935
Job Description
Job Title: Sr. OT Network Engineer
Job Location: Manassas, VA
Eligibility/Clearance: Must be authorized to work in the US
JOB DESCRIPTION
Architecture & Design
- Design and implement a segmented OT network architecture
transitioning from flat Layer 2 networks to SD-WAN-enabled,
zone-based architectures.
- Define network segmentation strategy (ISA/IEC 62443 zones and
conduits model) to isolate critical OT assets and control east-west
traffic.
- Engineer ring and/or resilient topologies across substations and
core OT sites to ensure deterministic communication and fault
tolerance.
- Develop SD-WAN design standards including:
- Underlay/overlay architecture
- Path selection policies (latency, jitter, packet loss)
- QoS for ICS protocols (e.g., DNP3, Mod...
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