Data Center Network Engineer

Millicom (Tigo); Medellín; On-site; COP 60,000,000 - 100,000,000; Full time

Job summary

Millicom | Tigo seeks a Data Center Network Engineer to design, implement, and support high-performance data center and transport networks across the region. You will own end-to-end network architecture including data centers, IP/MPLS backbone, and data center interconnect (DCI).

You will configure routers, switches, firewalls, and load balancers, monitor performance, and collaborate with cross-functional teams to meet milestones and deliverables with strong emphasis on security and reliability.

Qualifications

• 3+ years of experience in data center or network engineering environments.
• Experience managing international network operations within complex, multi-site, high-availability infrastructures.
• Knowledge of firewall technologies, traffic filtering, access control policies, and network protection mechanisms.
• Networking fundamentals including TCP/IP, BGP, OSPF, IS-IS, and MPLS.

Responsibilities

• Configure and install network components such as routers, switches, firewalls, and load balancers in data center environments.
• Conduct network performance testing and apply tuning to optimize latency, throughput, and reliability across data center and interconnect networks.
• Collaborate with cross-functional teams to align network implementation with business goals.
• Monitor network infrastructure using SNMP, telemetry, and flow-based tools and troubleshoot issues to minimize downtime.
• Document network configurations, changes, and procedures for future reference and compliance.
• Provide technical training on network architecture, configurations, and best practices.

Skills

Assertive communication

Problem-solving

Data analysis

Attention to detail

Job description

Would you like to help us achieve our purpose of connecting more people, improve their lives and develop our communities? If so, Tigo is for you!

We believe in innovation, we adapt and are agents of change. Our customers are at the center of everything we do.

Come and grow with our team, where together we will transform lives and communities. Additionally, you will have the opportunity to participate in challenging projects and bring your innovative ideas.

This is your opportunity, come and be part of Sangre Tigo!

Data Center Network Engineer

Primary Objective:

The Data Center and Transport Network Engineer is responsible for the design, implementation, and support of high-performance data center and transport network infrastructure across several countries in the region. This position is responsible for end-to-end network architecture, including data center structures, the IP/MPLS backbone, and data center interconnect (DCI).

Responsibilities:

• Configure and install network components such as routers, switches, firewalls, and load balancers within data center environments, both during standard working hours and scheduled maintenance windows.
• Conduct network performance testing and apply tuning techniques to optimize latency, throughput, and reliability across data center and interconnect (DCI) networks.
• Collaborate with cross-functional teams to align network implementation with organizational goals and initiatives.
• Monitor network infrastructure using SNMP, telemetry, and flow-based tools, and promptly troubleshoot and resolve issues to minimize downtime and operational impact.
• Document network configurations, changes, and procedures for future reference and compliance.
• Provide technical support and training to internal teams and stakeholders on network architecture, configurations, and operational best practices.
• Stay current with industry trends and advancements in network technologies to recommend improvements.
• Plan and manage network-related projects from design through implementation, ensuring milestones, deadlines, and deliverables are met on time and within scope.

Experience and Technical Knowledge:

• A minimum of 3 years of experience in similar roles in data center or network engineering environments.
• Experience managing international network operations within complex, multi-site, high-availability infrastructures.
• Knowledge of firewall technologies, traffic filtering, access control policies, and network protection mechanisms.
• Knowledge of networking fundamentals, including:
  • Network protocols (TCP/IP, BGP, OSPF, IS-IS)
  • Routing and switching technologies (L2/L3, VLAN, STP, VXLAN, EVPN, MPLS, segment-based routing)
  • Firewall administration (policies, NAT, VPN, segmentation)
  • Network security principles (Zero Trust, access control)
  • Documenting network configurations, changes, and procedures,

Skill s:

• Assertive communication.
• Problem-solving
• Data analysis and interpretation
• Attention to detail

Millicom | Tigo is proud to be an Equal Employment Opportunity employer committed to a diverse workforce and nondiscrimination policy in all aspects of employment. We provide equal opportunity and access for all persons, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a disabled veteran or other protected veteran, or any other protected characteristic, in all phases of the employment process and in compliance with applicable federal, state, and local laws and regulations.