Network Engineer L3- TS/SCI Poly required

Emtakllc; Maryland; On-site; USD 110,000 - 150,000; Full time

Job summary

Emtakllc is seeking a Network Engineer L3 to support full lifecycle enterprise network operations—design, implementation, maintenance, and modernization. The ideal candidate will translate mission needs into scalable, secure network solutions and work across LAN/WAN environments.

Required TS/SCI with Polygraph clearance, and hands-on experience with Arista EOS, Cisco IOS/NX-OS, and network hardening. This role demands strong analytical skills and cross-site coordination.

Qualifications

• BS degree with 12+ years of relevant experience, or ND with 16+ years.
• TS/SCI clearance with polygraph is required.
• Strong knowledge of LAN/WAN design and secure network protocols.

Responsibilities

• Design, implement, maintain, and upgrade network services across the full lifecycle.
• Analyze network designs, specifications, and engineering documents.
• Administer LAN/CAN/WAN networks to ensure stable and secure operations.
• Schedule and execute migrations and cutovers; coordinate with sites and stakeholders.
• Translate mission requirements into robust telecommunications solutions.

Skills

Arista EOS

Cisco IOS

NX-OS

Network hardening

VPN

QoS

Network slicing

Segmentation

Wireshark

Tcpdump

NetFlow

Education

BS Degree

ND Degree

Tools

Wireshark

Tcpdump

NetFlow

Job description

Network Engineer L3- TS/SCI Poly required

• Annapolis Junction, MD

Location:Annapolis Junction, MD
Clearance: TS/SCI with Polygraph
Experience Level: L3

We are seeking a Network Engineer to support the full lifecycle of enterprise network operations-from design and implementation to maintenance, troubleshooting, and modernization. The ideal candidate brings strong analytical skills, hands-on network administration experience, and the ability to translate mission needs into reliable, scalable network solutions.

Key Responsibilities

Perform network services across the full lifecycle, including design, implementation, maintenance, and upgrades of existing networks.

Analyze network designs, specifications, engineering documents, and related technical materials.

Conduct general LAN/CAN/WAN administration, ensuring stable and secure network operations.

Schedule and execute network conversions, migrations, and cutovers.

Coordinate with users, sites, and stakeholders to resolve network and system incidents.

Translate business and mission requirements into telecommunications solutions, including LAN, CAN, WAN, voice, and video architectures.

Perform engineering analysis of telecommunications alternatives to support strategic modernization initiatives and technology refresh efforts.

Required Education & Experience

• BS+ 12years of relevant experience, or
• ND+ 16years of relevant experience

Desired Skills & Expertise

• Experience or working knowledge of Arista EOS (Extensible Operating System) as well as Cisco IOS or NX-OS
• Demonstrated experience hardening network devices to meet strict security standards and implementing secure network protocols
• Hands-on experience configuring and managing L2 and L3 network services, including VPN, QoS, network slicing, and segmentation
• Proficiency using network troubleshooting and analysis tools such as Wireshark, Tcpdump, and NetFlow to diagnose and optimize network performance