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OneSource Consulting

Senior Network Architect

OneSource Consulting
Netherlands · Full-time · Mid-Senior

Job Title: Senior Network Architect

Location: Netherlands or Finland

Languages: English

Contract Duration: Long term Project

Working Mode: Hybrid


JOB DESCRIPION:

Job Description – Senior Network Architect

Client is currently seeking a Senior-level Network Architect with deep hands-on expertise to modernise and future-proof network infrastructure for the next 5–10 years. The ideal candidate is not only technically proficient but also a strategic thinker and change agent, capable of influencing stakeholders and driving the networking and security teams towards a modern, agile, and security-first approach.

The objective is to establish a flexible, scalable network that allows for rapid office integration while maintaining high security and efficiency.

Key Responsibilities

  • Plan and design data communication networks, ensuring scalability and efficiency.
  • Present network plans to management staff, ensuring alignment with business goals.
  • Oversee network implementation, including budgeting and scheduling.
  • Manage information and network security, ensuring protection against vulnerabilities.
  • Oversee hardware and software upgrades, ensuring seamless transitions.
  • Conduct network maintenance and repairs, ensuring optimal performance.
  • Maintain documentation, including drawings, configurations, and descriptions.
  • Research advancements in network technologies, ensuring a future-proof infrastructure.

Must-Have Technical Skills

Network Expertise

  • Layer 1: WAN connection types, provider connection types, LAN connection types.
  • Layer 2: VLANS, Port channels, sub-interfaces vs trunk.
  • Layer 3: IP, Routing, VRF.

Technical Proficiency

  • Proven knowledge and experience with Firewalls (Fortigate & Forcepoint).
  • Cisco Certification and expertise in Cisco network solutions.
  • Ability to analyse complex network infrastructures, determine root causes of deficiencies, propose solutions, and manage implementation.
  • Telephony/Voip infrastructure management and migration projects.
  • Knowledge of modern networking technologies, including SD-WAN, Cloud Networking, and Zero Trust.
  • Understanding of telecom provider offerings, with the ability to select optimal services.

Nice-to-Have Skills

  • Project Management Certification is an advantage.

Work Environment & Requirements

  • Hybrid work model:
  • 1–2 days per week in the office initially.
  • A flexible approach may be considered after the onboarding phase.
  • Business Trips: 3-4 trips per year within the EU.
  • Contract Duration: 1-year contract with possibility for extension.

Key Skills

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Posted
May 09, 2025
Type
Full-time
Level
Mid-Senior
Location
North Holland

Industries

Information Technology & Services

Categories

Engineering Information Technology

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