Network Engineer

AnaVation LLC; Colorado; On-site; USD 90,000 - 110,000; Full time

Job summary

A networking solutions firm is seeking a Network Engineer in Colorado. You will design, implement, and maintain our large data center network infrastructure, ensuring high availability and reliability. The ideal candidate has 3–5 years of experience in data center networking, strong skills in Juniper equipment, and excellent communication abilities. Competitive compensation and comprehensive benefits are offered.

Benefits

Medical, dental, and vision insurance

Flexible spending account options

401k Retirement Plan

Company paid holidays

Employee Discount Marketplace

Qualifications

• Minimum 3–5+ years of experience in data center or service provider networking.
• Excellent oral and written communications skills.
• Hands-on experience with Juniper Networks equipment.

Responsibilities

• Monitor network performance and proactively identify and resolve issues.
• Tier III support for network-related problems.
• Collaborate with internal teams and external vendors.

Skills

Troubleshooting skills

Communication skills

Analytical skills

Customer-centric aptitude

Ability to manage multiple priorities

Education

3–5+ years of experience in data center networking

Tools

Juniper Networks equipment (MX, QFX, EX series)

Cisco equipment

Network monitoring tools

Job description

About the Company

Cologix is based in Denver, Colorado. Cologix is North America's leading network-neutral interconnection and hyperscale edge data center company. Our platform provides access to 45+ digital edge and ScalelogixSM hyperscale edge data centers in 12 markets across the United States and Canada, along with a carrier-dense ecosystem of 710+ networks, 360+ cloud providers, 30+ onramps and seven Internet exchanges. We serve nearly 2,000 customers with direct access to local operations teams, enabling strong partnerships through exceptional operational support and customer service. Supported by one of the largest North American infrastructure funds, Cologix emphasizes a culture that values people, the environment, and clients.

About the Position

As a Network Engineer with Cologix you will be responsible for assisting in the engineering, design, and maintenance of a large datacenter network.

What you do daily

• Monitor network performance and proactively identify and resolve issues to ensure high availability and reliability.
• Tier III support for network-related problems.
• Respond to escalated network incidents and participate in on-call rotations for critical support.
• Collaborate with internal teams and external vendors to support customer deployments and service delivery.
• Document network designs, configurations, and operational procedures for internal knowledge sharing and compliance.
• Perform configuration changes, firmware upgrades, and capacity planning across primarily Juniper platforms.
• Resolve complex network issues as an escalated resource via ticketing systems for Customers and Employees.
• Design, implement, and maintain data center network infrastructure using Juniper routers and switches.
• Provision and troubleshoot Layer 2 services (e.g., VLANs, VPLS, EVPN) and IP bandwidth services for enterprise and carrier customers.

Qualifications

• Minimum 3–5+ years of experience in data center or service provider networking.
• Excellent oral and written communications skills and a strong customer-centric aptitude.
• Hands-on experience with Juniper Networks equipment (MX, QFX, EX series).
• Strong understanding of Layer 2 and Layer 3 protocols.
• Strong analytical and problem-solving skills.
• Ability to work independently and with a team to manage multiple priorities in a fast-paced setting.
• Manage assigned tasks and projects with little supervision.
• Quick learner who can adapt to changing requirements.
• Proven experience working in a team-based environment.
• Self-starter with good time management skills.
• Must be punctual, reliable, and flexible to meet the demands of the organization.

Strong Understanding of Technologies and Platforms

• Routers and switches: Juniper, Cisco, Brocade CLI
• Layer 2 protocols: VLAN, STP, LACP, VPLS, EVPN
• Layer 3 protocols: BGP, OSPF, IS-IS, EIGRP
• Network monitoring tools (e.g., SNMP, telemetry, syslog)
• Ethernet and optical transport fundamentals
• Network automation basics (e.g., Python, Ansible, or Juniper PyEZ)

Preferred Skills

• Optical Engineering
• Virtualization: VMware, OpenStack, KVM, Puppet, Chef
• Understanding of DDoS mitigation and traffic filtering
• Juniper JNCIA Experience
• Strong network automation experience
• MPLS and traffic engineering

Preferred Certifications

• JNCIA – Juniper Networks Certified Internet Associate
• CCNA – Cisco Certified Network Associate
• CCNP – Cisco Certified Network Professional

Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or transfer sponsorship of an employment visa at this time, including CPT/OPT.

Compensation

$90,000 - $110,000 a year

Benefits

• Medical, dental, and vision insurance
• Flexible spending account options
• Non-accrued PTO
• Company paid holidays
• 401k Retirement Plan
• Short- and Long-Term Disability
• Employee Discount Marketplace
• Employee Recognition Platform
• Compensation will be commensurate with experience; eligible for an annual bonus.

Note: This job description is not intended to be all-inclusive. Employee may perform other related duties as assigned to meet the ongoing needs of the organization.

Cologix is an Equal Opportunity Employer. Qualified applicants are considered for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, gender identity, disability, or veteran status. If you need assistance applying for any open positions, please contact [e-mail] or call 720-940-2551.

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