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Sr. OT Network EngineerEvans & Chambers • New York, New York, United States
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Sr. OT Network Engineer

Evans & Chambers
  • US
    New York, New York, United States
  • US
    New York, New York, United States
Jetzt Bewerben

Über

Title: Sr. OT Network Engineer
ID: 10000232
Department: Information Technology
Evans & Chambers Technology is seeking a highly motivated Network Engineer to join our team!
Evans & Chambers partners with the US national defense community to create fully integrated, resilient, and innovative digital solutions that enable them to make smart decisions in real-time. We work with our customers on everything from conquering their data to improving and safeguarding IT infrastructure. Our ultimate goal is to enhance our nation's ability to identify, address, and act—no matter what challenges arise.
Location: On‑Site in Indian Head, MD. Clearance: Must be a US Citizen with ability to obtain a Secret clearance.
Role Overview This role is responsible for the end‑to‑end design, implementation, and evolution of a secure, private, air‑gapped OT network. The engineer will be the initial and sole network authority, owning technical decisions from assessment through deployment, with designs reviewed and certified by external stakeholders.
Core Responsibilities
Assess the existing network and industrial infrastructure, including switches, firewalls, cabling, and servers, to determine:
Hardware reuse opportunities
Upgradability and lifecycle risks
Security and compliance gaps relative to DoD/Navy standards
Security posture and compliance risk
Operational reliability and uptime
Cost, procurement lead time, and vendor supportability
Design a private, air‑gapped OT network architecture from the ground up, including:
VLAN and subnetting strategy aligned to industrial control boundaries
Secure zoning between PLCs, HMIs, control rooms, and server rooms
Isolation between multiple control/manufacturing groups with no lateral communication
Architect and implement a private OT network that integrates with a newly deployed private 5G backbone being built and operated by a separate team, integrating:
Private 5G connectivity between control rooms, server rooms, and operational areas
Fiber connectivity from manufacturing buildings to their associated control rooms
Clear security boundaries between wireless, fiber, and core infrastructure
Hands‑on implementation of all network infrastructure, including:
Racking, cabling, labeling, and power coordination
Configuration of Cisco and Dell network equipment
Firewall rules, routing, switching, and management plane access
Enable secure OT data flows, including:
PLC → HMI communication within control rooms
Controlled PLC/HMI data forwarding to centralized server infrastructure
Protection of industrial systems from unintended access or broadcast traffic
Produce and maintain authoritative network documentation to support compliance certification, including:
Logical and physical network diagrams
IP address management and VLAN maps
As‑built and as‑designed artifacts
Clear security boundaries and documentation for RMF/STIG review
Logging, segmentation, and access controls required for auditability
Build the network as a scalable platform, not a one‑off deployment, ensuring:
Additional control/mfg groups can be added with minimal redesign
Capacity, addressing, and segmentation can evolve over time
Serve as the technical authority for network decisions, working with stakeholders to:
Explain trade‑offs and risks clearly
Support procurement, installation, and acceptance activities
Guide future expansion and modernization efforts
Required Experience & Skills
Minimum of 5 years experience as a hands‑on network engineer
Strong hands‑on background with:
Enterprise switches and firewalls (Cisco and Dell preferred)
Server configuration (Linux and Windows), Windows workstations
Fiber and copper cabling in industrial environments
VLANs, subnetting, routing, and network segmentation
Experience working in air‑gapped or highly restricted environments
Ability to operate independently and make sound technical decisions with minimal oversight
Strong documentation and communication skills
Minimum of Bachelor’s Degree from an accredited college or university in Computer Engineering, Computer Science, Cybersecurity, Computer Engineering, or related discipline, or equivalent military experience
Minimum of DOD 8140/DOD 8570 IASAE Level II Certification (or equivalent like CISSP or Security+)
Strong attention to detail and organizational skills. Excellent communications skills.
Preferred Experience & Skills
Proven experience designing and implementing industrial / OT networks
Familiarity with DoD / Navy cybersecurity expectations, including designing systems that can be certified (even if not performing certification directly)
Understanding of PLC, HMI, and industrial data flows
All employment opportunities are made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status or any other basis protected by law.
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  • New York, New York, United States

Sprachkenntnisse

  • English
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