Senior Change IT Manager (f/m/x)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on change management in IT infrastructure and network with emphasis on technology transformation. It requires 5 years of experience in change management, expertise in ADKAR, Prosci methodologies, and delivering communication strategies. Responsibilities include change planning, leadership support, business and technology readiness assessment, and progress reporting. Benefits include private healthcare, benefits cafeteria and investment in employee development.

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Senior Change IT Manager (f/m/x)

Company: Sii Sp. z o.o.

from: 5 August 2026
to: 4 September 2026
salary not specifiedB2B contract
Offer parameters
level:senior
working mode:remote • hybrid • full office
Białystok, Centrum
Białystok, CentrumJózefa Marjańskiego 3View on map

Requirements

Operating system

Windows

Our requirements

  • Minimum 5 years of experience in change management within a corporate or consulting environment
  • Experience in delivering large-scale transformation projects supporting technology infrastructure, operations, networks, and IT service management
  • Hands-on knowledge of change management methodologies (e.g., ADKAR, Prosci)
  • Good understanding of change management principles, techniques & tools
  • Proven track record in designing and executing communication strategies for transformation initiatives
  • Ability to engage and collaborate with stakeholders at all levels, including senior leadership
  • Excellent interpersonal, communication, and presentation skills
  • Strong organizational skills and the ability to manage multiple initiatives in a dynamic environment
  • Very good communication skills in both English and Polish
  • Residing in Poland required

Your responsibilities

  • Serving as the primary point of contact for assigned Infrastructure Operations and Network initiatives, managing intake, impact assessment, stakeholder analysis, communication planning, readiness tracking, and adoption support
  • Creating and implementing change management strategies and plans that maximize employee adoption and minimize resistance
  • Providing direct support and coaching to managers and supervisors as they guide their teams through transitions
  • Supporting project teams in integrating change management activities into project plans, milestone planning, and delivery timelines
  • Identifying impacted stakeholder groups, assessing business and technology readiness, and clearly communicating change impacts to ensure awareness and alignment
  • Tracking and reporting issues, risks, readiness indicators, adoption measures, and success measures related to change management efforts
  • Defining and gathering stakeholder feedback to evaluate the effectiveness of change management activities and identify opportunities for improvement
Company

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

Recruitment stages

  • 1.
    Send your CV
  • 2.
    Talk to us about your expectations
  • 3.
    Learn more about our projects and choose the best
  • 4.
    Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work

Senior Change IT Manager (f/m/x)
I apply to:
Sii Sp. z o.o.
Białystok, Centrum
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