Contract

Comgent; City of Middletown (NY); On-site; USD 90,000 - 145,000; Full time

Job summary

Comgent seeks a Senior Network Engineer to certify networking solutions in the lab and support their implementation at customer sites. You will apply deep Juniper routing, switching and security expertise to test plans, documentation and delivery across enterprise networks.

Onsite in Middletown, NJ, for a 12-month engagement with 40-hour weeks. The role emphasizes hands-on lab certification, lab-to-live transitions, and clear technical reporting to engineering and operations teams.

Qualifications

• Five+ years hands-on Juniper routing, switching and security in lab and customer environments.
• JNCIP-level configuration and troubleshooting; certification not mandatory.
• Experience with GRE, IPsec VPNs, NAT, BGP, OSPF, IPv6, CoS, routing instances, J-Flow, VRRP, SNMP.
• Proficiency with lab setups, test plans, documentation and customer-facing delivery.

Responsibilities

• Develop, execute and document test plans for new hardware/software and designs.
• Configure labs and verify solutions meet design/operational requirements.
• Design and deploy routing, switching, security and cloud-managed solutions for onboarding and migrations.
• Build resilient WAN architectures using Metro Ethernet, Internet and LTE backups.
• Create certification reports, guides and procedures; transfer knowledge to teams.
• Lead customers through onboarding and migrations with engineering and operations.

Skills

Juniper routing

Juniper switching

Juniper security

JNCIP-level

Test planning

Documentation

Customer-facing

WAN design

VPNs

Multicast

Education

Bachelor's in CS/IT/Engineering

Tools

Spirent TestCenter

PRTG Network Monitor

Job description

Senior Network Engineer – Certification & Implementation – freelance – onsite – Middletown, New Jersey, USA

Middletown, United States | Posted on 17/10/2026

Start Date: Immediately (pending offer and onboarding)Duration: 12 months initially Work Location: onsiteCustomer Site Address: TBC

Job Description

We are committed to building an inclusive workplace and encourage applications from all qualified candidates.

Comgent is seeking a Network Engineer to certify networking solutions in the laboratory and support their implementation in customer environments. You will combine deep Juniper configuration and troubleshooting skills with test planning, technical documentation and customer-facing delivery across enterprise and service-provider networks.

Assignment

• Location: Middletown, New Jersey, USA
  
• Engagement: freelance / contract
  
• Work arrangement: Onsite
  
• Schedule: 40 hours per week
  

Responsibilities

• Develop, execute and document test plans for new hardware, software releases and network designs; validate Junos features, interoperability and performance.
  
• Configure laboratory environments and use test equipment to establish whether solutions meet design and operational requirements.
  
• Design, configure and deploy routing, switching, security and cloud-managed solutions, supporting onboarding, migrations and operational readiness.
  
• Develop resilient WAN architectures using Metro Ethernet, Internet and LTE backup services, and troubleshoot complex implementation issues.
  
• Create certification reports, configuration guides, deployment standards and engineering procedures, keeping test results and recommendations clear and usable.
  
• Present technical findings and transfer knowledge to engineering, operations and customer teams, coordinating delivery across multiple projects and priorities.
  
• Provide technical leadership during customer onboarding and migrations, collaborating with customer engineering and implementation teams.
  

Requirements

• At least five years of hands-on experience with Juniper routing, switching and security, including both laboratory certification and customer implementations.
  
• JNCIP-level configuration and troubleshooting proficiency; certification itself is not mandatory.
  
• Configure and troubleshoot multicast, GRE, IPsec VPNs, NAT, BGP, OSPF, IPv6, CoS, routing instances, J-Flow, Real-Time, RPM, VRRP and SNMP.
  
• Hands-on platforms include SRX300/SRX400 and mid-range SRX; MX204/MX301/MX304/MX240/MX480; EX3400/EX4000/EX4650; and QFX5120.
  
• Experience configuring, deploying, monitoring and supporting Mist WAN Assurance and Mist Switch Assurance environments.
  
• Experience using Spirent TestCenter and PRTG Network Monitor.
  
• A degree in Computer Science, IT or Engineering, or equivalent experience.
  
• Juniper certifications; SD-WAN, Metro Ethernet and LTE/5G resilient WAN experience
  

You should be able to design, build, validate and deploy solutions independently, with strong analytical, consulting and presentation skills. Clear communication with engineering, operations and customer audiences is essential. JNCIP-level proficiency is required; a certificate is not mandatory.