Telecommunications/Network Infrastructure Engineer

Information Systems Solutions

$150K — $160K *
Telecommunications & Hardware
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years of enterprise network engineering experience
  • In-depth knowledge of structured cabling standards (TIA/EIA)
  • Hands-on expertise with VLAN design and Layer 3 routing
  • Strong troubleshooting skills across OSI Layers 1-4
  • Must possess IAT Level II certification (e.g., CySA+, Security+, CCNA Security)

Responsibilities

  • Design and implement VLAN architectures and network segmentation
  • Configure trunking, spanning tree, and Layer 2 switching technologies
  • Implement IP addressing schemes and Layer 3 routing configurations
  • Troubleshoot issues across OSI Layers 1-4
  • Configure and support routing protocols and secure traffic flows
  • Perform network performance analysis and capacity planning

Benefits

  • 100% onsite work environment
  • Opportunity to work with a range of networking technologies
  • Access to an experienced team in a classified setting
Full Job Description
Information Systems Solutions (ISS) is seeking a Telecommunications/Network Infrastructure Engineer with strong expertise in physical network infrastructure and enterprise networking across Layers 1-4.

This role is 100% onsite.

Specific duties include, but are not limited to the following:

Core Responsibilities
• Design and implement VLAN architectures and network segmentation strategies.
• Configure trunking, spanning tree, and Layer 2 switching technologies.
• Implement IP addressing schemes, subnetting, and Layer 3 routing configurations.
• Troubleshoot across OSI Layers 1-4, correlating physical faults with logical network behavior.
• Configure and support routing protocols, ACLs, QoS, and secure traffic flows.
• Perform network performance analysis and capacity planning aligned with infrastructure growth.

Requirements

Clearance Level:

Secret

Certifications (IAT Level II)

One of the following:

CySA+

Security+

CCNA - Security

GICSP

GSEC

SSCP

Required Skills:
• 8+ years of enterprise network engineering experience.
• Deep understanding of structured cabling standards (TIA/EIA) and fiber/copper infrastructure.
• Hands-on experience designing and implementing VLAN and Layer 3 routing solutions.
• Proven ability to troubleshoot across physical and logical network layers.

Preferred Qualifications
• Cisco CCNP or higher (or equivalent enterprise certification)
• Experience supporting classified enclaves.
• Cisco CCNP or higher (or equivalent enterprise certification).
• Experience with fiber backbone design and data center buildouts.
• Familiarity with network monitoring and infrastructure documentation platforms.

Salary Description

150,000-160,000

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