Senior Network Administrator

Kruger Inc.; Perimetro Urbano Pereira; Presencial; COP 230.237.912 - 306.983.883; Jornada completa

Descripción de la vacante

A leading company in the technology sector is seeking an experienced Network Administrator located in Colombia, RAP Eje Cafetero, Perimetro Urbano Pereira. The ideal candidate will have over 10 years of expertise in managing, optimizing, and securing network infrastructures. Key responsibilities include administering firewalls, troubleshooting network issues, and collaborating on network projects. Proficiency in Palo Alto firewalls and HPE Aruba solutions is essential. This full-time position requires strong analytical skills, customer focus, and fluency in English.

Formación

• 10+ years of experience in network and security administration.
• Strong customer focus, organizational skills, and adaptability to change.
• Fluent in English (min B2 level).

Responsabilidades

• Manage and optimize LAN, WAN, and WLAN infrastructures.
• Administer and maintain Palo Alto next-generation firewalls.
• Participate in the design and implementation of network projects.

Conocimientos

Palo Alto firewalls

HPE Aruba network solutions

Networking protocols (TCP/IP, STP, BGP, OSPF)

Network segmentation and secure architecture

MS Visio M365

Educación

Bachelor's in computer science or equivalent

Herramientas

Ops-Ramp

Aruba Central

SolarWinds

PRTG

Descripción del empleo

Position Summary

Join us to protect the digital future of our organization and the resilience of our operations! We are seeking an experienced Network Administrator (10+ years) to join our IT team. This role will be key in managing, optimizing, and securing our network infrastructure, including configuring and administering firewalls, monitoring network performance, and implementing secure, business‑driven solutions. The Network Administrator will serve as a technical reference and will be responsible for all Kruger business units’ on‑premises and cloud network infrastructure for day‑to‑day operations, including incidents and service requests. His expertise will also be requested for project delivery and will actively contribute to implementing best practices for availability, security, and performance.

Main Responsibilities

Network Administration & Optimization

• Manage and optimize LAN, WAN, and WLAN infrastructures based on Aruba enterprise solutions.
• Configure and maintain network switching, routing, and segmentation (VLAN, BGP, OSPF, etc.).
• Ensure high availability, redundancy, and performance of network services.
• Oversee network capacity planning, scalability, and performance tuning.

Firewall & Security Management

• Administer, configure, and maintain Palo Alto next‑generation firewalls (NGFW).
• Deploy, monitor, and optimize network security policies.
• Manage VPNs and secure remote access solutions.
• Conduct regular reviews of firewall rules and security configurations.
• Troubleshoot and resolve complex (Level 3) network and firewall issues.
• Provide escalation support for critical incidents impacting business operations.
• Perform firmware updates, patching, and preventive maintenance on network and security equipment.
• Participate in the on‑call rotational schedule and after‑hours support.

Projects & Documentation

• Participate in the design, implementation, and deployment of network and security projects.
• Maintain up‑to‑date technical documentation, topology diagrams, and configuration records.
• Collaborate closely with Infrastructure, Cybersecurity, and Local Operations teams to ensure alignment and security compliance.

Qualifications

Academic

• Bachelor’s in computer science or equivalent.
• CCNA, PCNSE, or Aruba Certified are an asset.

Experience

• 10+ years of experience in network and security administration.

Skills and Abilities

Technical skills

• Strong expertise in Palo Alto firewalls, including Panorama management console (configuration, policy management, advanced troubleshooting).
• Solid experience with HPE Aruba network solutions (switches, wireless controllers, APs).
• In‑depth knowledge of networking protocols and technology (TCP/IP, STP, BGP, OSPF, VLAN, LAN, WAN, VPN, SD‑WAN, DHCP, DNS, HA, Load Balancer).
• Proven skills in network segmentation and secure architecture.
• Strong knowledge of MS Visio M365.

Asset

• Experience in industrial or manufacturing environments with operational technology (OT) network considerations.
• Knowledge of network monitoring tools (Ops‑Ramp, Aruba Central, SolarWinds, PRTG, etc.).
• Experience with Citrix NetScaler.
• Awareness of cybersecurity best practices and compliance requirements.

Non‑Technical

• Requires strong customer focus, organizational skills, ethic, and adaptability to change.
• Result oriented with a commitment on team success.
• Ability to manage multiple projects and handle critical incidents under pressure.
• Good communication skills with technical stakeholders and comfortable with non‑technical stakeholders.
• Strong analytical and problem‑solving abilities.
• Team player and ability to collaborate with multidisciplinary teams.

Languages

• Fluent in English (written and spoken), min B2 English level required.

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Information Technology and Engineering

Industries

• Paper & Forest Products
• Climate Technology Product Manufacturing
• Information and Media

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