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Sr. ICT Administrator (2 FTE)

Original title: Sr. Beheerder ICT (2 fte)

HeadFirst · Huis ter Heide Utrecht, Netherlands · Hybrid · Senior

  • Huis ter Heide Utrecht, Netherlands · Hybrid
  • Dutch

Indexed (2 weeks ago) · refreshed constantly

Start
2026-11-30T23:00:00
Work mode
Hybrid
Contract
Freelance / B2B
Seniority
Senior
Reference
HFDEF002198

Required skills

Nice to have:MBO-4Dutch Driving License BVGB-A Investigation

Languages: Dutch

Job description

Seeking a Senior ICT Administrator to be the primary contact for users, responsible for incident resolution, optimization, and security of IT products and services within the IT Operations Center (ITOC). The role involves coordinating, maintaining, and improving changes in the IT environment, ensuring the continuous operation and security of networks, systems, and applications.

Project overview

What will you do?

Responsibilities

As a Senior ICT Administrator at Connectivity, you will be the first point of contact for users in handling incidents and disruptions. You will be the driving force behind the optimization and security of IT products and services within the IT Operations Center (ITOC). You will be responsible for coordinating, maintaining, and improving changes in our IT environment. You are the linchpin in our 24/7 operation, ensuring the handling of incidents and complex user queries. You prioritize, analyze, and diagnose incidents and ensure an appropriate solution.

Furthermore, you will contribute to the uninterrupted operation and security of low-classified networks, systems, and applications, with a keen eye for the quality of our IT service delivery. You are the technical expert who contributes to assessing the feasibility of new issues and is ready to apply your IT experience.

Background of the assignment

What do we ask for? (Qualifications)

Completed MBO-4 education with demonstrable specialization in IT Administration

Minimum 2 years of work experience as an Administrator within ICT services and working with an incident logging system

CCNA 1+2 certification

Knowledge of Defense services

ITIL 4 certificate

Competencies

Analyzing

Accurate

Communicative

Responsible

Learning ability

Other job requirements

You are willing to cooperate with a VGB-A investigation by the MIVD

You have been a Dutch national for at least 5 years

You master the Dutch language in word and writing

You possess a Dutch B driver's license

You are willing to work in a 24/7 full-shift system

You are willing to regularly perform on-call duty, during which you may be called for unplanned work.

Generic description of competence area and levels

Identifies and resolves the cause of incidents. Takes a proactive stance in avoiding or identifying the root cause of ICT problems. Implements a knowledge system based on the repetition of common errors. Resolves incidents or escalates. Optimizes system or component performance.

Summary of task and mission

Ensures the alignment of the network, including telecommunications and/or computer infrastructure, to meet the organization's communication needs. Manages and operates a network information system, resolves problems and errors to ensure defined service levels. Monitors and improves network performance and security.

Ensure that communication performance, recovery, and security needs meet the agreed standards for service contracts

Contribute to defining network design policies, philosophies, and criteria

Investigate, diagnose, and resolve network problems

Use network management tools to determine network load and model performance statistics

Stay aware of relevant legislation affecting network security

Configure the network to protect against security threats

Monitor the network to identify and address traffic bottlenecks

Requirements

eCF profile: Network Specialist Reference area: C.04 Problem Management This assignment is based on the European e-Competence Framework (e-CF). This is a European standard for describing IT competencies and the associated level of responsibility. The eCF profile indicates which competencies and at what level (e-1 to e-5) are expected from the candidate. We expect candidates to clearly demonstrate in their CV that they possess these competencies.

This can be done by describing for each relevant assignment or position: the role the candidate fulfilled, the work and responsibilities involved, and the extent to which these align with the required eCF competencies and level. CVs in which the required eCF competencies cannot be demonstrably found cannot be fully assessed for suitability.

Candidate has at least 2 years of demonstrable work experience with the chosen eCF profile or similar position.

Completed MBO-4 education with demonstrable specialization in IT Administration

Minimum 2 years of work experience as an Administrator within ICT services and working with an incident logging system

CCNA 1+2 certification

Knowledge of Defense services

ITIL 4 certificate

Additional requirements

You are willing to cooperate with a VGB-A investigation by the MIVD

You have been a Dutch national for at least 5 years

You master the Dutch language in word and writing

You possess a Dutch B driver's license

You are willing to work in a 24/7 full-shift system

You are willing to regularly perform on-call duty, during which you may be called for unplanned work.

Additional Information

Hybrid working: No

Frequency of working from home: 0 days

On-call duties: Yes, approx. 5 per month. Only if night shift is canceled.

Project details

  • Start: 2026-11-30T23:00:00
  • Location: Huis ter Heide Utrecht, NL
  • Languages: Dutch

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