Staff Network Engineer

Cadence Design Systems, Inc.; Dublin; On-site; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Competitive salary

25 days holiday per year

Private Healthcare and Life Insurance

Group Personal Pension Plan

Cycle to work scheme and gym subsidy

5 days paid time to volunteer

Employee Stock Purchase Plan

Job summary

Cadence Design Systems, Inc. is seeking a Staff Network Engineer in Dublin or Cork, Ireland. This senior, hands-on role focuses on designing, deploying, and operating the company’s global network across multiple environments. The ideal candidate will possess extensive experience in enterprise network architecture and strong leadership abilities.

The position offers competitive salary, 25 days of holiday, and benefits like private health care and a pension plan, among other employee perks.

Qualifications

• 12–15 years of experience in enterprise network architecture, design, deployment, and operations.
• Cisco certification required (CCNP preferred; CCIE a strong plus).
• Expert knowledge of routing and switching technologies.

Responsibilities

• Design and deliver scalable, resilient data centre and campus network solutions.
• Support WAN operations including internet edge and SD‑WAN integrations.
• Lead complex troubleshooting and root‑cause analysis.

Skills

Enterprise network architecture

Design and deployment

Routing and switching technologies

Network Security Principles

Complex troubleshooting

Strong communication

Education

Bachelor’s degree in Computer Science or Engineering

Tools

Cisco

Arista

HPE

Aruba

Cisco ISE

Aruba ClearPass

Job description

Job Title

Staff Network Engineer

Location

Cork or Dublin, Ireland

Reports to

Senior Engineering Group Director

Job Overview

Senior, hands‑on Network Engineer responsible for designing, deploying, and operating Cadence’s global enterprise network across data centres, campus environments, and WAN. This role focuses on delivering secure, highly available connectivity and leading high‑impact initiatives with clear, measurable outcomes.

You will bring deep technical expertise, strong operational discipline, and the ability to lead complex network programmes from design through Day 2 operations, working closely with cross‑functional partners across IT and Security.

Job Responsibilities

• Design and deliver scalable, resilient data centre and campus network solutions using Cisco, Arista, HPE, and Aruba platforms
• Support WAN operations including internet edge and SD‑WAN integrations, ensuring consistent routing and security posture
• Lead complex troubleshooting and root‑cause analysis; implement preventive changes to reduce incidents and unplanned outages
• Partner with teams across Data Centre, Storage, Virtualisation, Windows, Unix, Cloud Ops, and Security to provide technical direction and deliver cross‑domain initiatives
• Establish and maintain network documentation, diagrams, standards, and runbooks; ensure designs are supportable and operationally ready
• Operationalise delivered solutions for Day 2 operations, including monitoring and alerting, capacity planning, lifecycle management, and change/release processes
• Communicate status, risks, and trade‑offs clearly to stakeholders; manage deliverables, timelines, and dependencies across multiple initiatives

Job Qualifications

• 12–15 years of experience in enterprise network architecture, design, deployment, and operations (data centre, campus, WAN and hybrid cloud)
• Bachelor’s degree in Computer Science, Engineering, or a related field
• Cisco certification required (CCNP preferred; CCIE a strong plus)
• Extensive hands‑on experience designing, deploying, and operating enterprise networks across data centre, campus, WAN, and hybrid cloud environments
• Expert knowledge of routing and switching technologies (e.g. BGP, OSPF, EVPN/VXLAN) and high‑availability designs (MLAG/vPC, LACP)
• Strong foundation in network security principles, including segmentation, ACLs, firewall integrations, and secure remote access, with experience partnering closely with Security teams
• Hands‑on experience with NAC/AAA solutions, such as Cisco ISE and/or Aruba ClearPass
• Proven ability to lead complex troubleshooting, root‑cause analysis, and incident response, with disciplined change, risk, and lifecycle management practices
• Experience designing solutions that are operationally ready, including monitoring, alerting, capacity planning, and documentation
• Strong communication skills, with the ability to translate technical detail into clear, executive‑ready options and recommendations

Additional Skills / Preferences

• Experience with SD‑WAN design and operations and hybrid connectivity patterns
• Exposure to Cisco VPN, F5 Load Balancers, or similar technologies
• Experience with network automation, observability, telemetry, or scripting to improve reliability and reduce MTTR

Benefits

• Competitive salary
• 25 days holiday per year
• Private Healthcare and Life Insurance
• Group Personal Pension Plan
• Cycle to work scheme and gym subsidy
• 5 days paid time to volunteer to give back to our communities
• Employee Stock Purchase Plan
• The opportunity to work for a Great Place to Work & Fortune 100 organization

Equal Employment Opportunity

Cadence is committed to equal employment opportunity and employment equity throughout all levels of the organization. All qualified applicants will receive consideration for employment without regard to race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, basis of disability, or any other protected class.