Network Engineer - Tier 3, DoD-Compliant Modernization

TECHEAD; Boston (MA); On-site; USD 90,000 - 130,000; Full time

Job summary

TECHEAD is seeking a Network Engineer to design, implement, and maintain a high-performance converged network infrastructure in a DoD-aligned environment. The role emphasizes hands-on design, configuration, and Tier 3 support across routers, switches, and network management tools.

Candidate should have 3+ years of experience in network engineering, a BS in IT or related field, and CompTIA Security+ certification. Willingness to work on-call and occasionally weekends is expected.

Qualifications

• Bachelor's degree in Information Technology or equivalent; 4 years related exp may substitute for degree.
• CompTIA Security+ certification is preferred.

Responsibilities

• Network Design & Engineering: Design, install, configure, and troubleshoot network infrastructure with minimal supervision. Manage daily tasks and upgrade projects for routers, switches, and network management tools.
• Operations & Troubleshooting: Provide day-to-day operational support, including network debugging, diagnosing data troubles, opening trouble tickets, and resolving customer support cases through Tier 3 support.
• Network Modernization: Participate in design and integration of new networks into existing architecture using latest networking technologies.
• Compliance & Documentation: Ensure DoD/AF/DISA compliance; maintain classified/unclassified topology maps and detailed records for military processes.
• Maintenance & Support: Participate in system maintenance, optimization, and performance activities; be available for 24/7 on-call and occasional weekend work.

Skills

Network design

Tier 3 support

VoIP networks

DoD/AF/DISA standards

Layer 2/3 protocols

IPAM/DHCP/DNS/Syslog

Network monitoring

Documentation

Education

Bachelor's degree in Information Technology

CompTIA Security+ Certification

Tools

Cisco routers

Juniper switches

SolarWinds Orion NPM/NCM

Cisco ISE

IPAM/DHCP/DNS

Job description

TECHEAD is seeking a Network Engineer to design, implement, and maintain a high-performance converged network infrastructure in a DoD-aligned environment. The role emphasizes hands-on design, configuration, and Tier 3 support across routers, switches, and network management tools.

Candidate should have 3+ years of experience in network engineering, a BS in IT or related field, and CompTIA Security+ certification. Willingness to work on-call and occasionally weekends is expected.