Senior Systems Engineer & Cyber Security Expert (all genders)

DEVnet; Województwo dolnośląskie; Hybrid; PLN 156,000 - 190,000; Full time

Benefits offered by this job

Private medical care

Health insurance

Sport cards

Profit-sharing model

Hybrid work model (4 days remote)

Office in Wrocław, team events

Job summary

DEVnet is seeking an experienced IT infrastructure engineer to design, secure, and optimize hybrid environments across Windows and Linux. You will manage identity services with Entra ID and Intune, implement robust disaster recovery, and drive security improvements with Fortinet and VPNs.

The role involves mentoring peers and coordinating with global teams. You should be proficient in Azure, Active Directory, and modern endpoint management, and you will travel occasionally to deliver projects in

Qualifications

• Degree in computer science, informatics or related IT discipline.
• Hands-on experience with Windows Server and Linux environments and core protocols.
• Strong knowledge of virtualization, cloud services, and identity management.
• Experience with Fortinet FortiGate, VPNs, AAD/Intune, and hybrid cloud.
• Ability to manage security incidents, architect resilience, and document compliance.

Responsibilities

• Design, manage and optimize hybrid infrastructure with firewalls, multi-site networks and storage.
• Administer Microsoft 365, Active Directory, Entra ID and Intune for secure access and deployment.
• Architect high-availability systems, disaster recovery, and backup plans (e.g., Veeam).
• Lead projects, coordinate stakeholders, automate tasks, and maintain system docs (Docusnap).
• Mentor team and collaborate with customers, vendors and internal teams.

Skills

Windows Server

Linux (Ubuntu, RHEL)

VMware vSphere

Microsoft Hyper-V

Azure

Active Directory

Intune

Entra ID

Fortinet FortiGate

VPN (IPsec, WireGuard)

Veeam

Docusnap

Security incident handling

English proficiency

Education

Bachelor's degree in Computer Science or IT

Tools

Docusnap

Veeam

Azure Portal

Job description

At DEVnet, we are an open-minded, international team distinguished by human values, an inspiring team spirit, and a desire to grow alongside our clients. Driven by our passion for technology and our industry expertise, we develop solutions that drive innovation using data, analytics, and technology.

Our 150 experts across four different locations combine technological know-how and industry knowledge with an understanding of the needs of all stakeholders. This is how we develop sustainable solutions for a data-driven world.

Your impact

• Run and secure the infrastructure: You design, manage, and optimize hybrid environments alongside firewalls, multi-site networks and enterprise storage.
• Managing identities and cloud services: You administer and advance Microsoft 365, Active Directory, Entra ID, and Intune, ensuring secure access control and modern software deployment.
• Ensuring resilience and recovery: You architect high-availability systems, eliminate single points of failure, and create, test, and execute multi-site disaster recovery and backup plans (e.g., Veeam).
• Driving security and compliance: You implement security concepts, handle system hardening, fix vulnerabilities from penetration tests, and maintain technical compliance documentation for regulated environments.
• Leading projects and automate operations: You manage infrastructure projects, coordinate stakeholders, automate recurring tasks, maintain system documentation (Docusnap), and mentor your team.
• Projects & Collaboration:
• - You will plan infrastructure projects, take technical responsibility for subprojects, create effort estimates, and design project schedules.
• - You will coordinate technical dependencies, plan and implement changes including risk assessments and rollback plans while collaborating closely with customers, internal teams, external vendors, and supporting your team's development.

Your profile

What you should bring to the role

• A degree in Computer Science, Informatics or comparable IT-related discipline projects.
• You have extensive hands-on background in Windows Server and Linux (Ubuntu, RHEL) environments, including core protocols (DNS, DHCP, LDAP, Kerberos).
• You bring strong command of VMware vSphere and Microsoft Hyper-V cluster operations, combined with deep SAN/NAS and enterprise hardware knowledge.
• You have proven expertise with Fortinet FortiGate, Ubiquiti, TCP/IP routing (BGP, OSPF), VLANs, and secure VPN tunnels (IPsec, WireGuard).
• You have in-depth proficiency with Microsoft Azure, Microsoft 365, Active Directory, Azure Cloud integrations, Entra ID, and automated endpoint management via Intune.
• You are a structured, analytical engineer who effectively manages technical dependencies, communicates fluidly within an international team, and handles security incidents professionally.
• You have excellent communication skills, have experience in advising clients individually, and are confident in using visualization tools to present your findings.
• You are highly proficient in English and feel completely at ease working in a global project environment.

Personal Skills

• You work independently, take full ownership of your tasks, and always maintain a strong solution-oriented focus.
• You demonstrate excellent time management and prioritize operational tasks, critical incidents, and project work with ease.
• You apply strong analytical skills and a structured methodology to solve even the most complex technical problems.
• You bring a collaborative mindset and a genuine enthusiasm for growing together within an international team.
• You communicate clearly and proactively share your technical knowledge to elevate your teammates.
• You are fluent in both written and spoken English, with German language skills being a valuable advantage.
• You are willing to travel occasionally to Germany, Switzerland, and Luxembourg for project delivery and key operational assignments.

Optional Skills

• Python and the use of REST APIs for integration and automation
• Prometheus, Grafana or other centralized logging platforms
• Relevant vendor or framework certifications, for example from Microsoft, Fortinet, Red Hat or VMware, or in ITIL

Our offer

• We are a financially stable and independent company and offer you a secure job in a forward-looking industry.
• We foster a culture of informality and an open, supportive working environment with colleagues from diverse nationalities.
• You’ll become part of a dedicated, international team in a friendly, family-like atmosphere.
• We provide internal and external training opportunities tailored to your individual development budget.
• Everyone here receives communication training in ‘Non-Violent Communication’. You can also further develop your skills in this area.
• You’ll be part of a team that embodies team spirit, creativity and personal responsibility.
• You can get involved in various topics and contribute to internal communities.
• We offer you an attractive salary (14.000-17.000 PLN) and benefits (private medical care, health insurance, sport cards) as well as a profit-sharing model.
• You’ll work in a beautiful, modern and centrally located office in Wrocław.
• You will work in a hybrid model (4 days remote) and once a week meet your colleagues in a beautiful, modern, and centrally located office.
• We regularly host team and company events at our locations in Poland and Germany.
• You’ll have 30 days’ annual leave and additional special leave options.
• You can get involved in various topics and contribute to internal communities.

We are committed to preventing all forms of discrimination, ensuring that everyone has equal opportunities, valuing every opinion and every experience within our company, and fostering an inclusive culture in which you can fully contribute at work.

We value our diversity and recognize that our success depends on different perspectives and experiences working towards shared goals and a common purpose.