Sr. Network Engineer

Genesys empowers organizations of all sizes to improve loyalty and business outcomes by creating the best experiences for their customers and employees. Through Genesys Cloud, the AI-powered Experience Orchestration platform, organizations can accelerate growth by delivering empathetic, personalized experiences at scale to drive customer loyalty, workforce engagement, efficiency and operational improvements.

We employ more than 6,000 people across the globe who embrace empathy and cultivate collaboration to succeed. And, while we offer great benefits and perks like larger tech companies, our employees have the independence to make a larger impact on the company and take ownership of their work. Join the team and create the future of customer experience together.

Senior Network Engineer

Role Summary

As a Senior Network Engineer, you will design, implement, and operate a large-scale Cisco-based global enterprise network across campus, WAN, SD-WAN, wireless, and cloud environments. You’ll lead complex initiatives, ensure production stability, and drive continuous improvement aligned with global architecture standards.

This senior-level role requires strong technical depth, sound judgment, and operational ownership. You will mentor engineers, collaborate cross-functionally, and partner with Staff/Principal engineers to evolve the network.

This role is remote within the UK and supports a globally distributed environment. Strong professional English is required for daily collaboration across North America, EMEA, and APAC.

Key Responsibilities

WAN, Routing, Switching & Wireless

• Design and operate Cisco SD-WAN architectures (control/data/management planes)
• Implement segmentation (VPNs/VRFs), application-aware routing, and DIA strategies
• Lead WAN-to-SD-WAN migrations
• Design, implement, and troubleshoot:
  • BGP (eBGP/iBGP): redistribution, filtering, route-maps, path selection
  • OSPF: multi-area, summarization, LSA optimization
  • EIGRP (legacy environments)
• Implement high availability: HSRP/VRRP, ECMP, IP SLA, WAN failover
• Design and operate Cisco Catalyst 9800 WLCs
• Optimize RF, RRM, and roaming performance; troubleshoot high-density environments
• Implement secure wireless (ISE, 802.1X) and support site surveys

Campus & Switching

• Design and operate Cisco Catalyst 9000 (9300/9400/9500)
• Implement L2/L3 features: VLAN/SVI, LACP, Rapid-PVST/MST, storm control
• Perform deep packet-path analysis across network layers

Automation, Observability & Cloud (AWS)

• Develop automation using Ansible and/or Python
• Integrate with Cisco APIs (RESTCONF, NETCONF, SD-WAN APIs)
• Use Catalyst Center (DNAC) for provisioning and assurance
• Leverage telemetry (NetFlow, SNMP, streaming) for visibility
• Partner with Cloud Engineering on hybrid AWS connectivity
• Design HA routing between on-prem, SD-WAN, and AWS (BGP, failover)
• Support WAN transformation and cloud integration initiatives
• Correlate data across platforms to identify systemic issues
• Use SD-WAN, Catalyst Center, and firewall analytics for proactive monitoring
• Validate AI-driven insights using packet-level analysis
• Reduce MTTD/MTTR via telemetry and intelligent monitoring
• Drive adoption of AIOps and improve alerting/observability standards
• Automate repetitive operational tasks aligned with DevOps workflows

Security, Identity & Access

• Operate Cisco Firepower NGFW (FMC-managed)
• Troubleshoot ACLs, NAT, IPS, VPNs, and HA configurations
• Analyze packet captures for routing/policy issues
• Design and support 802.1X (wired/wireless) with Cisco ISE:
  • Policy sets, profiling, TACACS+, dynamic VLANs
• Partner with Security teams on Zero Trust enforcement

Collaboration & Operations

• Work across global teams and time zones
• Participate in design, incident, and operational reviews
• Maintain accurate documentation
• Participate in on-call rotations
• Demonstrate ownership, accountability, and continuous learning

Required Qualifications

• 6–8 years enterprise network engineering experience
• CCNP certification (required)
• Advanced Cisco networking expertise
• Strong BGP and OSPF design/troubleshooting skills
• Proven Cisco SD-WAN experience
• Hands-on with:
  • Cisco Catalyst 9000
  • Cisco Catalyst 9800 WLC
  • Cisco Firepower NGFW
  • Cisco ISE (802.1X)
• High-availability network design experience
• Experience with AWS and/or Azure connectivity
• Strong production troubleshooting skills
• Automation experience (Ansible or Python required)
• Experience in global/multi-region environments
• Professional English proficiency
• ITIL (Incident & Change Management) experience
• ServiceNow experience

Preferred Qualifications & Competencies

• CCNP Enterprise Automation (ENAUTO 300-425)
• Experience in 24/7 global support environments
• Strong problem-solving and ownership mindset
• Clear written and verbal communication
• Openness to feedback and continuous improvement

If a Genesys employee referred you, please use the link they sent you to apply.

About Genesys:

Genesys® empowers more than 8,000 organizations worldwide to create the best customer and employee experiences. With agentic AI at its core, Genesys Cloud™ is the AI-Powered Experience Orchestration platform that connects people, systems, data and AI across the enterprise. As a result, organizations can drive customer loyalty, growth and retention while increasing operational efficiency and teamwork across human and AI workforces. To learn more, visit www.genesys.com.

Reasonable Accommodations:

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Genesys is an equal opportunity employer committed to fairness in the workplace. We evaluate qualified applicants without regard to race, color, age, religion, sex, sexual orientation, gender identity or expression, marital status, domestic partner status, national origin, genetics, disability, military and veteran status, and other protected characteristics.

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