Network Engineer

About our Company:

Based in Denver, Colorado, Cologix is North America's leading network-neutral interconnection and hyperscale edge data center company. Our platform gives customers 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 provide our nearly 2,000 customers with direct access to our local operations teams, resulting in strong partnerships enabled by exceptional operational support and unparalleled customer service. Backed by one of the largest North American infrastructure funds, Cologix's experienced leadership team, certified staff and commitment to ESG initiatives help form a culture that values our people, our environment and our clients.

About the Position:

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

• 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.
• Work from ticketing systems resolving Customers and Employees on resolving complex network issues as an escalated resource
• Design, implement, and maintain data center network infrastructure using primarily Juniper routers and switches.
• Provision and troubleshoot Layer 2 services (e.g., VLANs, VPLS, EVPN) and IP bandwidth services for enterprise and carrier customers.

• 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 effective 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, flexible to meet the demands of the organization

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

• 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

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

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 proud to be 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 in applying for any of our open positions, please contact us at [email protected] or call 720-940-2551. 

The California Consumer Privacy Act (“CCPA”) creates privacy rights relating to the collection, sale, disclosure, and deletion of consumers’ personal information. The CCPA requires businesses to provide consumers, including job applicants and employees, with information about their rights, including a description of the categories of personal information to be collected and the purpose for which the information will be used. For additional information regarding your rights, including a description of the categories of personal information to be collected and the purpose for which the information will be used, please see https://cologix.com/privacy-policy/.

Cologix’ data centers are ISO 27001:2022 certified. ISO 27001:2022 certification and the Cologix portfolio of information security, information privacy and other industry recognized certifications represents our dedication to insuring the Confidentiality, Integrity and Availability of company and customer information systems and assets. At Cologix, information security is everyone’s responsibility. Cologix employees are responsible for:

 Understanding and following Cologix' information security, cybersecurity and privacy policies, procedures, and standards.

Ensuring conformance to all information security, cybersecurity and privacy policies, procedures, and standards.

Remaining vigilant and reporting any suspicious activity or possible vulnerabilities, weaknesses, threats, or breaches in Cologix information security to company information security and privacy officers.

Actively participating in Cologix’ efforts to maintain and improve information security