Senior Network Engineer

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SeniorOn-site·WarszawaFull-time·Umowa o pracę

#447477·Dodano miesiąc temu·13

Źródło: Randstad

Tech Stack / Keywords

TCP/IPBGPOSPFSTPCisco CatalystCisco NexusCisco ISEWANSD-WANFortinet FortiGate

Join a global enterprise team dedicated to shaping the future of international IT infrastructure.

Minimum 5+ years of hands-on experience in enterprise-scale network and security design, implementation, and troubleshooting.
Deep proficiency in TCP/IP, BGP, OSPF, STP, and hands-on experience with Cisco enterprise products (Catalyst switches, Nexus switches, routers, and ISE).
Proven background in WAN and SD-WAN deployment, optimization, and advanced troubleshooting.
Strong proficiency with Next-Generation Firewalls, preferably Fortinet/FortiGate.
Cisco CCNP or equivalent practical depth (current or expired certifications accepted).
Excellent spoken and written English (B2+/C1 level) for daily collaboration with global teams.
Strong analytical mindset, assertiveness, and team-player attitude in international environments.

Nice to have:

Hands-on experience with Web Application Firewall (WAF) tuning, rule creation, and false-positive mitigation.
Solid understanding of HTTP/HTTPS protocols, web application security (OWASP Top 10), and SSL Inspection.
Experience with hybrid DNS environments (on-premises and cloud integration).

Design, test, and develop enterprise-wide network and security infrastructure across LAN, WAN, WLAN, and core services (DNS, IPAM, AAA).
Serve as a primary technical consultant translating complex business needs into scalable HLD and LLD solutions.
Enforce network security policies, Next-Gen Firewall rulesets, Web Application Firewall (WAF) policies, and secure remote access protocols in coordination with global cybersecurity teams.
Act as an SME providing technical guidance to an external Managed Service Provider (MSP). Validate Low-Level Designs, steer critical escalations (P1/P2), and ensure operational consistency.
Drive operational efficiency within an Agile team, streamlining IT processes and supporting Infrastructure-as-Code (IaC) initiatives.

Long-term Employment Contract (Umowa o pracę).
Annual performance bonus (up to 7%) plus festive financial benefits paid twice a year (April & December).
Comprehensive private medical care (Medicover, with options for family coverage) and group life insurance.
Full coverage of training courses and professional certification exams (e.g., Fortinet).
Sports card (Medicover Sport), language courses, flexible working hours, and regular team wellbeing activities.

Płatne święta

Premie

Opieka zdrowotna

Ubezpieczenie

Dofinansowanie szkoleń

Karta sportowa

Kursy językowe

Elastyczne godziny

Employment agency entry number 47. This job offer is intended for people over 18 years of age.

Randstad

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