Network Engineer

Network Engineer
Bucureşti
Bucharest, Bucharest, Romania

• Design, configure, and manage Juniper MX routers and EX series switches for enterprise and data center environments.
• Implement dynamic routing protocols (BGP, OSPF, IS-IS) and ensure optimized routing performance and redundancy.
• Perform VLAN, trunking, and Layer 2/Layer 3 switching configurations following best practices.
• Conduct performance analysis, fault isolation, and proactive optimization of the Juniper network infrastructure.

• Deploy, configure, and maintain Juniper Mist Edge and SSR (Session Smart Router) for SD-WAN environments.
• Manage Mist Cloud dashboards for wired, wireless, and WAN assurance.
• Utilize Mist AI for proactive analytics, user experience monitoring, and network optimization.
• Implement Mist NAC (Network Access Control) policies and enforce secure onboarding of users and devices.
• Conduct or assist in wireless site surveys and planning for optimal AP placement and coverage using Mist tools.

• Configure and manage Juniper SRX firewalls for both perimeter and internal segmentation.
• Implement advanced security features including:
  • IPS (Intrusion Prevention System).
  • App
    Secure.
  • URL Filtering.
  • Cloud AV/AS.
  • ATP Cloud (Advanced Threat Prevention).
  • Security Intelligence feeds.
• Configure on-premise and
  - managed SRX devices using Cloud Security Director (CSD).
• Implement and maintain remote access VPN (IPSec/SSL) for secure remote connectivity.
• Design and manage Juniper Secure Edge (SASE) environments integrating security and SD-WAN policies.
• Configure and monitor Juniper DDo
  S protection (TDD) and Dynamic Defense mechanisms.

• Integrate and manage Juniper Secure Analytics (JSA/QRadar) for centralized event correlation and log analysis.
• Develop and
  - tune correlation rules, alerts, and dashboards to monitor security posture and network health.
• Collaborate with SOC teams to investigate incidents and enforce
  - level mitigations.

• Maintain detailed network diagrams, configurations, and change logs.
• Provide Level 2/3 escalation support for complex network/security issues.
• Participate in proof-of-concepts (POCs), solution testing, and deployment planning for new Juniper technologies.
• Conduct performance reviews and suggest optimization strategies leveraging AI-driven insights from Mist.

• 5-10 years of experience in enterprise networking and security with strong exposure to Juniper platforms.
• Hands-on experience with:
  • SRX Series (firewalls, VPN, App
    Secure, IPS, ATP).
  • MX Series (core and edge routing).
  • EX Series (switching, NAC).
  • Mist AI platform (wired, wireless, and WAN assurance).
  • SSR (Session Smart Router) for SD-WAN.
• Knowledge of Juniper Secure Edge (SASE), Security Director Cloud, and JSA/QRadar.
• Strong understanding of TCP/IP, BGP, OSPF, MPLS, VLANs, Qo
  S, and high availability.
• Familiarity with Wi-Fi site surveys, RF planning, and Mist AP deployments.
• Experience in network automation (Python, Ansible, or Junos Automation) is a plus.
• Juniper certifications (JNCIA, JNCIS, JNCIP, or JNCIE) in Security, Enterprise Routing & Switching, or Mist AI highly desirable.

• JNCIA / JNCIS / JNCIP (Security, Enterprise, or Mist AI).
• Mist AI for Enterprise Certified Professional (MEA-CP).
• Juniper Networks Certified Specialist - Security (JNCIS-SEC).
• JNCIS-ENT / JNCIP-ENT / JNCIS-MISTAI.

• Strong analytical and troubleshooting abilities.
• Excellent communication and documentation skills.
• Proactive mindset for continuous learning and technology adoption.

WE SPEAK DIGITAL. Overview
Formerly known as Computaris, we are the European branch of R Systems - global technology and analytics services company. We help our clients achieve
-
- market, overcome digital barriers, and create business value with our specialized service offerings and consultative business approach. We speak the language of business as fluently as we do the language of technology. In other words: We speak Digital. Our goal: accelerate our clients’ digital leadership. Our clients choose to partner with us for Cloud transformation, automation, data science, analytics, and product engineering, thanks to our technical expertise, domain knowledge, global presence and a record of delivering
- class solutions consistently for over 28 years. With a global workforce of 4, 800+ employees spread across 16
- centers and 26 offices, we continue to empower organizations with
- edge technologies. In Europe, R Systems has offices in the UK, Romania, Poland, Moldova and Switzerland, providing digital transformation services and extensive telecom expertise.