TS/SCI Defense Network Engineer - Cisco & Security

Emerald Technical Solutions; Maryland; On-site; USD 130,000 - 160,000; Full time

Benefits offered by this job

Competitive compensation package

Certification opportunities

Collaborative team environment

Long-term SETA placement

Job summary

Emerald Technical Solutions seeks a Network Engineer to design, configure, and secure a Cisco-based network for a defense environment at APG, MD, TS/SCI cleared. This approx. 6-month role offers potential transition to SETA as the follow-on contract is stood up.

The engineer will manage routers, switches, and firewalls, ensure DoD/ DISA compliance, and perform VLAN, routing, and security hardening with Tier 2/3 responsibilities while coordinating with ISSO and operations teams.

Qualifications

• Active TS/SCI clearance required.
• IAT Level II Certification (CCNA, SSCP, CND, Security+ CE) or above; CCNA highly preferred.
• Bachelor’s degree in CS/IT/Network Engineering; 10 years of experience may substitute for degree.
• Strong knowledge of DNS, DHCP, and Active Directory.
• Familiarity with DoD security requirements, DISA guidelines, and STIG implementation.

Responsibilities

• Manage, configure, and maintain Cisco networking devices (routers, switches, firewalls).
• Perform network-adjacent admin tasks on Windows-based management servers and monitoring tools.
• Handle Tier 2/3 network engineering tasks including VLANs, routing, and subnetting.
• Collaborate with ISSO to implement network security measures and firewall rules.
• Document network topologies, configurations, and readiness for management review.

Skills

Routing & Switching

Network Security

DoD STIGs

Education

Bachelor’s degree in Computer Science / IT / Network Engineering

Tools

Cisco IOS

Windows Server

VMware

Job description

Emerald Technical Solutions seeks a Network Engineer to design, configure, and secure a Cisco-based network for a defense environment at APG, MD, TS/SCI cleared. This approx. 6-month role offers potential transition to SETA as the follow-on contract is stood up.

The engineer will manage routers, switches, and firewalls, ensure DoD/ DISA compliance, and perform VLAN, routing, and security hardening with Tier 2/3 responsibilities while coordinating with ISSO and operations teams.