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We are hiring an experienced Senior Network Engineer (Data Center Networks) with strong expertise in Cisco ACI and NX-OS technologies to design, implement, support, and optimize enterprise-scale data center network environments. The successful candidate will be responsible for delivering resilient, scalable, and secure network solutions while collaborating with cross-functional teams to support critical business infrastructure.
Key Responsibilities
- Design, implement, and support data center network solutions using Cisco ACI and Cisco NX-OS technologies.
- Develop High-Level Designs (HLDs), Low-Level Designs (LLDs), implementation plans, test strategies, and operational runbooks.
- Configure, deploy, and manage Cisco ACI fabrics, including APIC controllers, leaf and spine architectures, tenants, VRFs, bridge domains, contracts, and application profiles.
- Perform installation, configuration, and lifecycle management of Cisco Nexus switches and related data center networking platforms.
- Troubleshoot and resolve complex network incidents involving routing, switching, security, and application connectivity issues across data center and enterprise environments.
- Monitor network performance, capacity, and availability, proactively identifying and addressing potential issues to ensure optimal service delivery.
- Collaborate with network architects, infrastructure teams, security teams, vendors, and business stakeholders to deliver network solutions aligned with organizational requirements.
- Plan and execute network upgrades, migrations, patches, and technology refresh initiatives with minimal business impact.
- Implement and maintain network security policies, segmentation strategies, and best practices within the ACI environment.
- Support disaster recovery, business continuity, and high-availability network architectures.
- Maintain accurate documentation of network designs, configurations, changes, standards, and operational procedures.
- Participate in incident, problem, and change management processes, including root cause analysis and continuous service improvement initiatives.
- Evaluate emerging Cisco technologies and industry best practices, recommending improvements to network architecture and operational efficiency.
- Provide technical leadership and mentorship to junior engineers and operational support teams when required.
- Strong hands-on experience with Cisco ACI (Application Centric Infrastructure) and Cisco NX-OS.
- Proven experience designing, implementing, and supporting enterprise-scale data center network environments.
- Deep understanding of data center networking concepts including:
- Layer 2 and Layer 3 networking
- VXLAN
- EVPN
- Spine-Leaf architectures
- VRFs
- VLANs
- Routing and switching technologies
- Extensive experience with Cisco Nexus platform administration and troubleshooting.
- Strong understanding of network protocols including BGP, OSPF, HSRP, VRRP, STP, and multicast technologies.
- Advanced troubleshooting and problem-solving skills across both enterprise and data center environments.
- Experience managing network migrations, upgrades, and large-scale implementation projects.
- Excellent communication, stakeholder management, and collaboration skills.
- Ability to create comprehensive technical documentation and design artefacts.
Preferred Skills
- Experience with network automation and programmability using Python, Ansible, REST APIs, Terraform, or similar tools.
- Knowledge of network monitoring and management platforms.
- Experience working in hybrid cloud and multi-cloud environments.
- Familiarity with security technologies including firewalls, micro-segmentation, and data center security frameworks.
- Exposure to VMware NSX, VMware vSphere, Red Hat, Linux, or other virtualization and cloud platforms
Certifications (Preferred)
- Cisco Certified Network Professional (CCNP) Data Center
- Cisco DevNet Professional / DevNet Associate
- Cisco Certified Internetwork Expert (CCIE) Data Center
- Relevant cloud or virtualization certifications are advantageous
- Experience a Positive Work-Life Balance: We prioritize your well-being with hybrid and flexible working arrangements, making it easy to balance your personal and professional life.
- Own your Growth: Dive into endless learning opportunities with courses from Capgemini University and numerous external certifications. Benefit from digital learning platforms and specialized campuses in AI, Cloud, Data, and Sustainability. Propel your career with our award-winning
- Career Acceleration programs. Thrive in an Inclusive Environment: We don't just believe in inclusion; we live it. Be part of a workplace that values authenticity, inclusion, and belonging. We encourage applications from all backgrounds, even if you don’t meet every requirement. Research shows that individuals from underrepresented groups often hesitate to apply unless they meet every criterion. If you're excited about this role, we welcome your application and invite you to share what you can bring.
- Work with Integrity: Join a company recognized by Ethisphere as one of the World’s most Ethical companies.
- Collaborate with Industry Leaders: Gain exposure to top global companies, including 145 of the Fortune 500, through your work with Capgemini.
- Showcase Your Skills: Participate in our internal annual global tech challenges and help address world issues.
Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.
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