Senior System Field Engineer

SysteCom, a member of QnR Group, is a leading technology provider committed to delivering innovative Cybersecurity & IT Infrastructure solutions and services to businesses of all sizes across various sectors. Our mission is to empower organizations with cutting-edge technology solutions that drive efficiency, productivity, and growth.

We are looking for a Senior System Field Engineer to design, implement, secure, and optimize customer infrastructures, with a strong focus on Microsoft Hyper-V virtualization platforms, Azure, Identity & Access Management, Windows Server technologies, and Security Architecture. The role includes end-to-end project ownership, from planning and risk management to coordination of teams and delivery, while working closely with Management, Sales, and Technical teams to translate customer needs into successful outcomes.

Technical Delivery

• Lead the design and implementation of complex infrastructure, cloud, and security projects for enterprise customers.
• Architect and secure Azure environments (networking, identity, security, governance)
• Design, implement, maintain, and optimize Microsoft Hyper-V environments, including clustering, high availability, replication, and disaster recovery solutions
• Implement and manage Identity & Access Management solutions (Azure AD / Entra ID, Conditional Access, MFA, PIM).
• Design secure hybrid and cloud architectures aligned with best practices and compliance requirements
• Perform advanced troubleshooting, root cause analysis, and performance optimization
• Lead migrations, upgrades, and modernization projects
• Contribute to solution design for new services and customer proposals
• Act as technical project owner, coordinating project activities across engineering, security, and infrastructure teams
• Plan, track, and manage project scope, timelines, resources, and risks to ensure successful delivery
• Review project deliverables and technical implementations to ensure quality, security, and compliance with agreed requirements

Customer Engagement

• Serve as senior technical point of contact for key customers
• Participate in technical workshops, architecture discussions, and presales activities when needed
• Translate business requirements into secure technical solutions

• Minimum 5 years of hands-on experience in systems engineering, cloud engineering, or infrastructure/security roles.
• Proven experience designing and operating Microsoft-based environments (on-prem, hybrid, cloud).
• Strong experience with:

1. Microsoft Azure services (Compute, Networking, Storage, Security)trong experience with
2. Identity & Access Management (Azure AD / Entra ID, MFA, Conditional Access, RBAC)
3. Windows Server, Active Directory, Group Policies, DNS, DHCP
4. Virtualization (VMware and/or Hyper-V)
5. Microsoft 365 / Exchange Online
6. Networking fundamentals (TCP/IP, VPNs, firewalls)
7. Experience with security controls, hardening, monitoring, and incident troubleshooting

Ideal Certification Requirements

Relevant Microsoft certifications in Infrastructure, Virtualization (Hyper-V), Cloud, Security, or Identity technologies will be considered a plus.

Additional Skills

• Strong analytical and problem-solving mindset
• Excellent written and verbal communication skills (Greek & English)
• Ability to lead by example and mentor team members
• High sense of ownership, accountability, and initiative
• Customer-oriented mindset with strong interpersonal skills
• Ability to work under pressure and manage multiple priorities

• Competitive salary based on qualifications
• Continuous training and development in a fast-growing environment
• Access to advanced security and infrastructure training labs to support hands-on learning and skill development
• Provision of all necessary technology equipment to effectively perform the duties of the role
• A modern and professional workspace

How to Apply:

Interested candidates are invited to submit their resumes to hr@systecom.gr with the subject line “SSE – [Your Name]”