Junior OSI Network Engineer

Dexian India; Englewood (CO); On-site; Full time

Job summary

A leading company is seeking a motivated Junior OSI Network Engineer to join their high-impact engineering team. This hands-on role involves certifying and managing firmware for network and video infrastructure devices. Ideal for recent graduates, this position offers a collaborative environment alongside senior engineers. Responsibilities include testing firmware, documenting network configurations, and troubleshooting technical issues. The role is 100% onsite in Englewood, CO, with a fast-paced work environment and opportunities for growth.

Qualifications

• 0-2 years of relevant experience, ideal for recent grads.
• Strong foundational knowledge of the OSI model.

Responsibilities

• Support certification and lifecycle management of firmware.
• Collaborate with vendors to test and validate firmware updates.
• Document and validate network configurations.

Skills

Networking Protocols

OSI Model

Cisco CLI

Education

CompTIA Network+

CompTIA Security+

Cisco CCNA

Tools

Fortinet Devices

Fiber Types

Job description

Join to apply for the Junior OSI Network Engineer role at Dexian India.

Job details:

1. Posted: 12 May 2025
2. Location: Englewood, CO
3. Job type: Permanent
4. Reference: 964432

Job Description

Job Title: Junior OSI Network Engineer

Location: Englewood, CO 80112 – 100% Onsite (Local candidates only)

Duration: 18+ month contract with potential to convert or extend

Pay Rate: $35-$42/hour

Openings: 1

Interview Process: One-and-done, in-person interview

Job Overview

We are seeking a motivated Junior OSI Network Engineer to join a high-impact engineering team supporting our client’s Business/Enterprise operations. This role involves certifying and managing firmware for network and video infrastructure devices used by SMBs such as hospitals, banks, and schools. It is a hands-on, onsite, technical role focused on hardware testing and firmware lifecycle management. The ideal candidate will have a solid understanding of the OSI model (Layers 1-7) and a desire to grow within a collaborative environment alongside senior engineers and hardware vendors.

Key Responsibilities

• Support certification and lifecycle management of firmware for network and video devices
• Collaborate with vendors to test and validate firmware updates
• Learn and execute firmware testing procedures (training provided)
• Operate in a lab environment to ensure device performance and compatibility
• Work with switches, access points, Fortinet G Series equipment, cameras, and sensors
• Document and validate network configurations
• Coordinate with internal teams including WiFi, video, and engineering
• Assist in troubleshooting and technical support

Devices You’ll Work With

• Switches
• Access Points
• Edge Devices
• Fortinet G Series
• Cameras and Sensors

Qualifications

• 0-2 years of relevant experience (ideal for recent grads, field techs, or junior network engineers)
• Strong foundational knowledge of the OSI model (Layers 1-7)
• Familiarity with networking protocols, hardware, and firmware processes
• Comfortable with Cisco CLI and Layer 2/3 protocols (e.g., OSPF, STP, MPLS)
• Working knowledge of fiber types, CWDM/DWDM/PON technologies, and subnetting

Preferred Skills (Not Required)

• Experience with Fortinet devices
• Understanding of VLANs, QoS (802.1p/q), and failover protocols
• Exposure to lab environments and testing processes

Preferred Certifications

• CompTIA Network+
• CompTIA Security+
• Cisco CCNA, CCNP, or CCIE
• Juniper JNCIA-Junos

Work Environment

• 100% onsite – 5 days/week in a secure testing facility
• Fast-paced, collaborative environment with vendor engagement
• Quick and efficient interview process

Dexian / Digital Intelligence Systems, LLC (DISYS) is an Equal Opportunity Employer. We recruit and hire qualified candidates regardless of race, religion, sex, sexual orientation, gender identity, age, national origin, disability, or veteran status.