Data Center Network Engineer

Millicom Services Colombia S.A.S.; Medellín; On-site; COP 60,000,000 - 120,000,000; Full time

Job summary

Millicom Services Colombia S.A.S. is seeking a Data Center Network Engineer to design, implement, and support high-performance data center and transport network infrastructure across multiple regional sites.

You will manage end-to-end network architecture, including data center structures, IP/MPLS backbone, and DCI, working with cross-functional teams to ensure reliability and security.

Qualifications

• A minimum of 3 years of experience in data center or network engineering roles.
• Experience managing international network operations across multi-site infrastructures.
• Solid knowledge of firewall technologies, traffic filtering, and VPN/NAT mechanisms.

Responsibilities

• Configure and install routers, switches, firewalls, and load balancers in data center environments.
• Conduct network performance tests and tune latency, throughput, and reliability.
• Collaborate with cross-functional teams to align network implementations with goals.
• Monitor infrastructure using SNMP, telemetry, and flow-based tools; troubleshoot to minimize downtime.
• Document configurations, changes, and procedures for reference and compliance.
• Provide technical support and training on network architecture and best practices.

Skills

Assertive communication

Problem-solving

Data analysis

Attention to detail

Tools

SNMP

Telemetry

Flow-based tools

Firewall technologies

VPN

VXLAN

EVPN

MPLS

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

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,

Skills

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

At Tigo we want to have the best, for this reason we look for qualified professionals who work to continue achieving our purpose of continuing to connect more and more Colombians. In our Company, our people are the soul of our company, who give their best and work with the premise that our clients are the center of everything we do. In addition, we are characterized because we are agile and disciplined, we work together for a purpose, we are drivers of change, we make a difference with the way we work and no matter what happens, our actions are guided by our integrity. At Tigo we make things happen the right way, always innovating in each of our actions and challenging the status quo. We are consistent and deliver results!

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.

About us At Millicom (Tigo) we work together with a purpose: we build digital highways that connect people, improve lives and develop communities. Through connectivity and digital services, we give access to the digital world to more than 45 million people and thousands of companies, building a prosperous future. At the center of our purpose are more than 19 thousand employees who live our "Tigo Blood" every day, that passion that moves us to give 1,000% for our customers. They are the soul of Tigo. Whether you are looking for your first work experience or want to continue developing your professional potential, we invite you to join our team! Tigo is where the brave build the future. We want to do it with Tigo!