System Engineer

Mission Overview:

This is a consultancy mission delivered by Keystone Solutions at the client site. As a Keystone Solutions consultant, you will maintain and administer all end user devices (desktops, laptops, smartphones, smartwatches, tablets and industrial devices) across the various platforms in use. The objective is to design, plan and maintain, from your specific technical specialization, the back-end and endpoint infrastructure to ensure continuity and efficiency for the client organization, including its branches.

Key Responsibilities:

• Maintain and administer all end user devices (desktops, laptops, smartphones, smartwatches, tablets and industrial devices) via the different platforms used by the client.
• Evaluate the back-end and endpoint infrastructure environment to define upgrades, changes and expansions, and put forward improvement proposals.
• Perform feasibility studies and evaluate different software and hardware solutions that can meet the needs of the infrastructure so that management can select the most optimal solution.
• Inform and guide client infrastructure users to ensure that systems are used optimally and efficiently.
• Create the technical design in line with specific architecture requirements.
• Implement changes, upgrades and expansions to software and hardware in order to always have techniques and capabilities that best match user needs, to realize new projects or extend existing systems.
• Provide the necessary support and maintenance on the client IT infrastructure in accordance with the ITIL methodology.
• Participate in on call, when needed, to guarantee optimal availability.

All responsibilities above will be carried out as a Keystone Solutions consultant, embedded with the client and working closely with their teams.

Advisory Responsibilities:

• Provide technical advice and information to internal and external customers to enable a correct assessment of technical possibilities and limitations, based on the technology stack used by the client.
• Think critically about possible improvements in procedures and ways of working within projects and within your own department.
• Act as a point of contact from your specific area of expertise.

Knowledge Management:

• Actively maintain your own knowledge and exchange this knowledge and experience within your technical field to other colleagues.
• Expand and keep up to date the available documentation.

Conformity Criteria:

• Evidence of compliance with requested skills (criteria) needs to be provided in CV.
• Knowledge level equals Bachelor degree or equivalent by experience.
• Working experience in large environments with at least 100,000 endpoints (laptops, desktops) and more than 1,000 software applications.
• Relevant working experience in the same function and similar environments for at least 10 years.
• Certification: MCSA, MCSE, MCSD.
• Fluent Dutch or French (C2-level) plus very good English (C1-level).
• For this assignment, the client requires the contractor to agree to be present at the client office up to five days per week for the execution of the assignment. The required on site presence may vary and will be communicated by the client to the contractor during the course of the assignment.

Evaluation Criteria:

• The extent to which the proposal demonstrates the required competencies and complies with the stated requirements will be taken into account during the evaluation. Proposals that demonstrate these competencies and requirements more clearly, comprehensively, and convincingly will receive a higher score.
• Where specific experience is requested, a greater amount of demonstrable relevant experience will result in a higher evaluation score.
• Ability to maintain security processes, policies and standards aligned with business objectives and regulatory frameworks.
• Ability to interact with different stakeholders (technical teams, business teams, management).
• In depth expertise of infrastructure stack (OS, virtualization, imaging, deployment, scripting and management toolset) based on Windows, MacOS, Linux, Android and iOS technology.
• In depth expertise of Active Directory (understand, configure, maintain domains, trees, forests, trusts, groups, users, OUs, sites), LDAP, GPO.
• In depth expertise of Intune including: MDM, MAM, BYOD, Enterprise Mobility and Security Suite, Conditional Access Policies, MDM 3rd party solutions like Knox, KAI.
• In depth expertise of System Center Configuration Manager (distribution groups, task sequence, software management).
• Broad expertise of Azure (static groups, dynamic groups, license assignment).
• Broad expertise in tools like Windows Defender, PatchMyPC, patching tools, Office tools (Office 365) including collaboration tools (Exchange/Outlook, Teams, SharePoint), ServiceNow, PM².
• Broad expertise of networking like TCP/IP, routing, VLAN, DNS, DHCP.
• Broad expertise of scripting (PowerShell, VBScript).

Consultancy Nature of Work at Keystone Solutions:

• You will operate on site at client locations as a Keystone Solutions consultant, embedded with the client’s teams while applying Keystone’s standards, quality frameworks and delivery methodologies.
• You will deliver the responsibilities described above under Keystone’s consultancy model, collaborating closely with client stakeholders and supported by Keystone’s experts and Communities of Practice.

Dynamic Projects Across Clients:

• Work on large scale, real world challenges such as managing 100,000 plus endpoints, complex identity and access configurations, and cross platform device fleets.
• Gain exposure to diverse industries and environments through successive client engagements, broadening your technical and domain experience.

Turbo-Charged Learning and Development:

• Benefit from continuous learning support, including certification pathways, mentoring by senior consultants and access to internal labs and knowledge sharing sessions.
• Strengthen both your engineering depth and your consulting skills, from stakeholder management to solution design and adoption enablement.

Ambition Skyrocketing within a Consultancy Framework:

• Build a tailored growth path, from senior engineer to lead, architect or engagement lead, accelerated by varied client missions and measurable impact.
• Receive recognition for delivery excellence and thought leadership across Keystone Solutions’ client portfolio.

Keystone Solutions Values in a Consultancy Context:

• Excellence, client partnership, integrity, ownership and knowledge sharing guide every engagement.
• Being a K-Stone means bringing these values to each client project, leading by example and elevating outcomes for users and stakeholders.

Role-Specific Impact Across Client Scenarios:

• Apply your deep expertise in Intune and SCCM to standardize and automate endpoint lifecycle management at enterprise scale.
• Design resilient identity and device security baselines leveraging Active Directory, Azure and Conditional Access to meet business and regulatory needs.
• Drive cross platform solutions spanning Windows, MacOS, Linux, Android and iOS, ensuring consistent user experience and compliance.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal .