Senior System Field Engineer

About QnR Group

JOIN THE NEXT TECHNOLOGY POWERHOUSE 🚀

QnR Group is a technology group with 35 years of experience, 8 companies, 4 delivery centers and 210+ professionals across Greece, Belgium, Cyprus and Poland. Listed on the Athens Stock Exchange since 2000, we deliver mission-critical digital transformation projects for the public and private sector.

The Group’s capabilities covers software engineering, enterprise and generative AI, cybersecurity, cloud infrastructure, SAP and ServiceNow solutions, core banking and maritime intelligence.

At QnR Group, you'll work on business-critical projects, collaborate across disciplines and grow your career across industries and markets.

About Systecom

SysteCom, a member of QnR Group, specializes in cybersecurity, digital resilience and IT infrastructure. The company delivers solutions and services that help organizations protect their systems and data, strengthen operational continuity and modernize their technology environments. Bringing together security and infrastructure expertise, SysteCom supports businesses across sectors in building secure, reliable and resilient digital operations.

Role overview

We are looking for a Senior System Field Engineer to lead the delivery of complex infrastructure, cloud, and security projects for enterprise customers. The role involves designing and securing Azure and hybrid environments, managing Hyper-V infrastructure, implementing IAM solutions, and acting as a key technical point of contact for customers and internal teams.

Requirements

The ideal candidate will be responsible for the

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

To excel in this role, you'll need

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

Nice to have

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

Benefits

• 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
• A modern and professional workspace

How to Apply

Interested candidates are invited to submit their resumes to [email protected] with the subject line “SSE – [Your Name]”