Senior Network Engineer

5 dni temu

Warszawa, Mazovia, Polska Jolera Inc. Pełny etat
Jolera is a global technology powerhouse, one of the fastest-growing Global Systems Integrators (GSI) and Managed Security/Service Providers (MSP/MSSP) in the world. With 650+ experts across 15 countries, we deliver secure, scalable, and intelligent solutions that help organizations modernize, protect, and accelerate their business. Our clients span enterprise, mid-market, and channel partners across North America and Europe. We specialize in complex transformation work across cloud, infrastructure, networking, cybersecurity, and AI-enabled operations. If you're passionate about solving difficult technical challenges, leading migrations at scale, and working directly with enterprise customers, you'll feel at home here.
Role Overview You are a senior, hands-on network engineer with deep experience across Cisco, Meraki, Check Point, SD-WAN, and enterprise routing/switching. You are comfortable operating in complex, multi-site, multi-vendor environments where accuracy and speed matter.
You can:
  • Architect, implement, troubleshoot, and document solutions
  • Communicate clearly with customers and internal teams
  • Own deployments end-to-end
  • Analyze logs, interpret packet captures, and build rules based on findings
  • Create diagrams, automate repetitive tasks, and work with global delivery teams
  • Thrive in a fast-paced environment supporting enterprise customers 

What You Will Do
  • Lead end-to-end deployments and configurations of Meraki SD-WAN and Cisco SD-WAN architectures.
  • Design and implement secure enterprise networks, including routing, switching, wireless, segmentation, and firewall integrations.
  • Architect, configure, and troubleshoot:
  • BGP, OSPF, VRFs, routing policy design
  • Cisco ISE (NAC, profiling, posture, 802.1X)
  • Cisco WLAN (controllers, APs, RF design, optimization)
  • Check Point firewalls (rules, NAT, VPN, troubleshooting)
  • Meraki networks (MX, MS, MR, SD-WAN, dashboard automation)
  • Analyze traffic flows using packet captures, Wireshark, and firewall logs to identify issues and create/adjust firewall rules.
  • Build detailed network diagrams, topology maps, runbooks, and technical documentation using Visio or Lucidchart.
  • Perform advanced troubleshooting across LAN, WAN, WLAN, VPN, SD-WAN, and hybrid cloud environments.
  • Collaborate with Senior/Lead Architects on design validation and architectural governance.
  • Participate in customer workshops and planning sessions, articulating technical decisions and trade-offs.
  • Provide escalation support during major incidents, critical cutovers, and high-impact projects.
  • Ensure best practices, standardized configurations, and security frameworks are consistently applied.

Automation & Scripting
  • Develop scripts (Python, PowerShell, or Ansible) to automate configuration, audits, and deployment tasks.
  • Contribute to reusable configuration templates, automated workflows, and network-as-code initiatives.
  • Assist in implementing CI/CD-style approaches for network configuration management.

Leadership & Collaboration
  • Work closely with PMs, engineers, and security teams to ensure seamless project delivery.
  • Mentor intermediate engineers and participate in technical design reviews.
  • Evaluate emerging networking technologies and contribute to Jolera's strategic roadmap.

Must-Have Technical Expertise
  • Meraki SD-WAN – Multi-site deployments, templates, policy configuration, routing integration.
  • Cisco Networking – Catalyst, Nexus, ISR/ASR, enterprise WLAN, Cisco ISE.
  • Routing & Switching:BGP, OSPF, MPLS, VRFs, LACP, VLANs, STP, QoS
  • Firewalls:
  • Check Point (strong hands-on)
  • Meraki MX (advanced)
  • Fortigate/Palo Alto exposure (nice to have)
  • Tools & Automation:
  • Visio, Lucidchart
  • Wireshark, packet capture analysis
  • Python, Ansible, YAML templates
  • Automation-focused mindset
  • Diagnostic Expertise:
  • Log analysis
  • Firewall rule evaluation
  • Packet analysis
  • Root-cause troubleshooting
Experience & Soft Skills
  • 7–12+ years of hands-on network engineering in enterprise or MSP/GSI environments.
  • Strong customer-facing communication skills; able to explain concepts to both technical and non-technical stakeholders.
  • Ability to work independently and handle multiple concurrent high-priority tasks.
  • Exceptional documentation skills and attention to detail.
  • Comfortable in fast-paced, high-pressure environments with tight timelines.

Certifications
  • CCNP (preferred), CCNA (required)
  • Cisco SD-WAN specialist certification (highly valued)
  • Check Point CCSA/CCSE (asset)
  • Meraki CMNA/CMNP (asset)

What We Offer
  • Remote role with global exposure.
  • Competitive compensation and benefits.
  • Ability to work on cutting-edge global enterprise projects across multiple industries.
  • Opportunities to develop into Architecture and Lead-level roles.
  • Work culture that values innovation, speed, creativity, and technical mastery.

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