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 newly created role plays a critical part in certifying and managing firmware for network and video infrastructure devices used by small-to-medium businesses (SMBs) such as hospitals, banks, and schools.

This is a hands-on, onsite, technical role focused on hardware testing and firmware lifecycle management. The ideal candidate will have a strong foundational understanding of the OSI model (Layers 1-7) and a desire to grow within a collaborative environment alongside senior network engineers and hardware vendors.

Key Responsibilities:

• Support the certification and lifecycle management of firmware for various network and video devices
• Collaborate with multiple vendors to test and validate firmware updates
• Learn and execute firmware testing procedures (training provided)
• Operate in a multi-million-dollar lab environment to ensure device performance and compatibility
• Work with switches, access points, Fortinet G Series equipment, cameras, and sensors
• Assist in documenting and validating network configurations
• Coordinate across internal teams including WiFi, video, and product engineering
• Apply knowledge in daily 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 understanding 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 networking 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, enterprise-grade testing facility
• Fast-paced, collaborative environment with direct vendor engagement
• Immediate need with a quick and efficient interview process

Dexian / Digital Intelligence Systems, LLC (DISYS) is an Equal Opportunity Employer. We recruit and hire qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.

Dexian is a leading provider of staffing, IT, and workforce solutions with over 12,000 employees and 70 locations worldwide. As one of the largest IT staffing companies and the 2nd largest minority-owned staffing company in the U.S., Dexian was formed in 2023 through the merger of DISYS and Signature Consultants. Combining the best elements of its core companies, Dexian's platform connects talent, technology, and organizations to produce game-changing results that help everyone achieve their ambitions and goals.

Dexian's brands include Dexian DISYS, Dexian Signature Consultants, Dexian Government Solutions, Dexian Talent Development and Dexian IT Solutions. Visit to learn more.

Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.

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