Senior OT Network Engineer
$150,000–$165,000 year
On-siteIndian Head, Maryland, United States
Job Summary
Assess existing industrial infrastructure to identify hardware reuse, security gaps, and lifecycle risks against DoD/Navy standards. Design and implement a private, air-gapped OT network architecture featuring VLAN strategies, secure zoning between PLCs and HMIs, and integration with a private 5G backbone. Execute hands-on configuration of Cisco and Dell equipment, manage firewall rules and routing, and establish secure data flows while maintaining authoritative documentation for RMF/STIG certification. Serve as the sole network authority for technical decisions, procurement, and future expansion within a U.S. national defense project. Requires Secret clearance and 5+ years of OT network experience.
Required Qualifications
- Minimum of 5 years' experience as a hands-on network engineer
- Proven experience designing and implementing industrial / OT networks
- Experience working in air-gapped or highly restricted environments
- Familiarity with DoD / Navy cybersecurity expectations, including designing systems that can be certified
- Understanding of PLC, HMI, and industrial data flows
- Ability to operate independently and make sound technical decisions with minimal oversight
- Strong documentation and communication skills
- Bachelor's degree from an accredited college or university in Computer Engineering, Computer Science, Cybersecurity, or related discipline, or equivalent military experience
- Minimum of DoD 8140 / DoD 8570 IASAE Level II certification
- Strong attention to detail and organizational skills
- Excellent communication skills
- Location: On-Site in Indian Head, MD
- Clearance: Secret clearance required
Desired Qualifications
- 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
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