At ABAKUS IT SOLUTIONS, we are looking for a skilled and motivated Senior Network Administrator to ensure the reliability, performance, and security of modern network environments. This role is ideal for a hands-on network expert who enjoys troubleshooting, optimizing traffic flows, and working with high-end network and security technologies.
Your Role & Missions
- Ensuring the operation of network infrastructures, including telecommunications and computer networks, to support organizational communication needs
- Operating, maintaining, and optimizing network components
- Investigating, diagnosing, and resolving network-related incidents and performance issues
- Ensuring network performance, resilience, recovery, and security in line with agreed service-level agreements (SLAs)
- Using network management and monitoring tools to analyze network load and performance statistics
- Proactively monitoring network traffic to identify and resolve bottlenecks
- Installing, configuring, upgrading, and maintaining network components and monitoring solutions
- Testing network upgrades and changes to ensure stability and performance
Technical Environment & Expertise
- Firewalls, routers, switches, load balancers, accelerators, and crypto communication devices
- WAN, (W)LAN, VLAN, and related communication protocols
- Network security solutions, VPN implementations, and encryption/cipher techniques
- Network monitoring and management tools
Required Knowledge & Skills
- Strong expertise in Palo Alto and F5 technologies
- Solid hands-on experience with Cisco network environments
- In-depth knowledge of network administration and communication protocols (WAN, LAN/WLAN, VLAN)
- Proven experience in network security, VPN solutions, and secure communications
- Ability to operate, troubleshoot, and optimize network devices and services
- Strong analytical and problem-solving skills
- A proactive mindset with a focus on reliability, performance, and security
Certifications (at least one required)
One or more of the following certifications are required:
- Cisco certifications: CCNA, CCNP/CCDP, CCDE, CCIE, CCAr
- F5 BIG-IP Certified Administrator
- BIG-IP LTM Specialist – Maintain and Troubleshoot
- BIG-IP LTM Specialist – Architect, Set Up, Deploy
- SANS certification related to Network Security
- Or equivalent certifications from Juniper, Palo Alto, or F5
Why Join ABAKUS IT SOLUTIONS?
- Work in a professional and collaborative environment with strong technical expertise
- Engage in challenging and meaningful network and security projects
- Grow your skills through exposure to modern technologies and complex infrastructures
- Benefit from a culture that values knowledge sharing, autonomy, and continuous improvement
- Be part of a company that invests in its people and their long-term development
If you are eager to work on advanced network and security environments and want to make a real impact with your expertise, we would love to hear from you. Apply now and join ABAKUS IT SOLUTIONS to shape secure and high-performing network infrastructures.
Opportunities are numerous. From bare applications development to of IT infrastructures management including conception, architecture and requirements analysis.
Although open to technologies used by our customers, ABAKUS IT-SOLUTIONS seeks mainly but not only consultants mastering: Windows and Linux Servers, networks, developments (JAVA, SAP, .NET,…) as well as highly specialized experts for example in cybersecurity or in Content Management System (CMS) (SharePoint, Drupal, WebLogic…).
In terms of non-technical competencies, ABAKUS IT-SOLUTIONS hires dynamic persons, open to the world, interested by innovation and having a keen sense of client relationship.
A very good command of English is essential, the capacity to speak French, German or Dutch is an asset.
Even though most of our positions require at least 3 years of experience, some are open to new starters.
