Senior Network and Security Engineer

On site

Full time

Your future team

Deloitte Luxembourg embraced Innovation as driver for success. Our Internal IT department plays a crucial role in assisting Deloitte’s employees, by creating the technological environment that enables access to vital information and succeed in their job. As part of the Infrastructure team, you will support multiple service lines and work on large scale projects. You will achieve success by using the most cutting-edge tools and emergent technologies. We are not scared of pioneering new solutions and we are proudly delivering results thanks to the knowledge we are constantly developing

Your advantages of joining us

• Career Growth, Your Way
  Access top-notch training and career development, with a clear progression path to help you level up at your own pace.
• Global Impact, Local Connections
  Work on international projects and collaborate with diverse teams, all while making an impact locally.
• Inclusive, Flexible Culture
  Embrace a culture where your voice matters, with flexible hours to balance work and life seamlessly.
• Build Your Network
  Gain access to an exclusive alumni network and attend industry events to connect and grow your professional circle.

How you'll contribute to our success 

• Manage daily operational tasks (changes, incidents, troubleshooting) and provide 3rd-level support for infrastructure and applications.
• Install, configure and maintain firewalls, proxies, SIEM, DC/campus switches and related management tools; administer AV, mail gateways, reverse proxies, load balancers, IPS/IDS, WAF, switches and routers.
• Proactively ensure the security, availability and performance of systems, including monitoring backups and redundancy/HA strategies.
• Track KPIs and ensure adherence to SLAs; verify system compliance with security standards and policies.
• Produce reports, write and maintain procedures and technical documentation, and develop automation scripts (PowerShell, Bash, device-specific CLI).

Your skills 

Must have

• BS/MS degree in Computer Science (or equivalent).
• Minimum 5 years of relevant experience in a security and network administrator role.
• Solid experience in the administration of Cisco ACI, DNA, ISE and Firewalls.
• Be rigorous, well organized, and demonstrate strong communication and problem‑solving skills.
• Fluent in French and English.

Nice to have

• Good knowledge of F5 Load Balancer.
• Exhibit effective leadership and adaptability in a constantly evolving environment.

Interested? Please submit your resume in English

Get to know more about Deloitte on our LinkedIn page (#DeloitteLU), Instagram page, YouTube page or website.

With more than 2,600 employees and 98 nationalities, Deloitte Luxembourg is one of the Grand Duchy's largest, strongest and oldest professional services firms. For more than 75 years, our talented teams have been serving clients in various industries delivering high added-value offerings to national and international clients in audit and assurance, consulting, financial advisory, risk advisory, tax, and related services. Deloitte Luxembourg is part of the global Deloitte network.

Deloitte provides leading professional services to nearly 90% of the Fortune Global 500® and thousands of private companies. Our people deliver measurable and lasting results that help reinforce public trust in capital markets and enable clients to transform and thrive. Building on its 180+-year history, Deloitte spans more than 150 countries and territories. Learn how Deloitte’s over 470,000 people worldwide work together every day to make an impact that matters at www.deloitte.com.