Sr. Network Engineer Job Description
Job Title
Sr. Network Engineer
Reports To
Manager, Network Engineering
Division
Research & Development
Basic Function
The Sr. Network Engineer designs and delivers secure, scalable network solutions for global enterprise environments. This role requires expertise in routing, switching, and SDWAN technologies—especially Cisco platforms and VeloCloud—while applying industry standards and business requirements. Responsibilities include solution design, gap analysis, project planning, and vendor evaluation. The engineer collaborates with cross-functional teams to implement innovative solutions, troubleshoot complex issues, and ensure operational excellence. Basic automation skills are leveraged to streamline deployments and improve efficiency. Candidates should be passionate about networking, adaptable to fast-paced agile environments, and committed to mentoring and collaboration.
Essential Functions
Research, design, test, pilot, release, and support LAN/WAN/Cloud network and security solutions, including Cisco Routers, Switches, Cisco Catalyst SDWAN, VeloCloud SDWAN, Remote Access VPN, firewalls, and cloud security gateways.
Develop scalable network designs, standards, and processes for enterprise environments; provide technical leadership in project planning, cost analysis, and vendor evaluation.
Act as subject matter expert for troubleshooting complex network issues across routing, switching, SDWAN, and security technologies.
Apply basic automation skills (e.g., Python scripting, Ansible) to streamline configuration management and repetitive tasks.
Document network designs, configurations, and operational procedures; create and maintain installation, support, and design guides.
Collaborate with internal teams and vendors to ensure successful implementation, lifecycle maintenance, and continuous improvement.
Participate actively in Agile project teams to deliver new and enhanced products.
Communicate effectively with vendors, partners, clients, and cross-functional teams; provide clear technical guidance and documentation.
Stay current with emerging networking technologies, practices, and standards.
Participate in on-call rotation and respond to network issues as needed.
Perform other duties as assigned.
Requirements
BS degree in Computer Science, Electronics/Communication, or equivalent experience, with at least 8 years in enterprise-scale network engineering.
Professional certifications such as CCNP or equivalent; additional certifications (CISSP, GIAC, MCSE) are a plus.
Extensive hands-on experience with Cisco Routers, Switches, Cisco Catalyst SDWAN, and VeloCloud SDWAN.
Advanced knowledge of networking protocols including ARP, BGP/EIGRP/OSPF, DHCP, DMVPN, DNS, GRE, HSRP, HTTP(S), ICMP, IP, IPSEC/IKE, IP SLA, NAT, PKI, RADIUS, SAML, (S)FTP, SNMP, SSH, STP, TCP/UDP, TACACS+, TFTP, TLS/SSL, VRRP.
Strong understanding of capacity planning, QoS, and optimal path selection.
Familiarity with network automation concepts and tools (Python, Ansible).
Proven ability to lead critical projects and deliver high-quality results on time.
Excellent verbal and written communication skills; able to collaborate effectively with vendors, partners, clients, and cross-functional teams.
Demonstrated problem-solving ability, attention to detail, and commitment to high standards of ethics and integrity.
Self-motivated, adaptable, and capable of thriving in team discussions and fast-paced environments.
Preferred Skills
Experience designing, configuring, and deploying Cisco Routers and Switches within enterprise environments; familiarity with service provider concepts, best practices, and vendor management.
Hands-on experience with Cisco Smart Licensing.
Exposure to SDWAN technologies beyond Cisco, such as VeloCloud and Aruba, as well as Meraki products.
Knowledge of regex and scripting for automation tasks (e.g., Python, Shell, PowerShell); familiarity with Infrastructure as Code principles.
Experience integrating IDP’s (Entra ID, DUO, OKTA) with networking products.
Exposure to cloud networking solutions (AWS, Azure).
Working knowledge of Windows, Linux, and virtualization platforms (e.g., VMware, Hyper-V) to effectively interact with system administrators and troubleshoot network-related dependencies.
At CDK, we believe inclusion and diversity are essential in inspiring meaningful connections to our people, customers and communities. We are open, curious and encourage different views, so that everyone can be their best selves and make an impact.
CDK is an Equal Opportunity Employer committed to creating an inclusive workforce where everyone is valued. Qualified applicants will receive consideration for employment without regard to race, color, creed, ancestry, national origin, gender, sexual orientation, gender identity, gender expression, marital status, creed or religion, age, disability (including pregnancy), results of genetic testing, service in the military, veteran status or any other category protected by law.
Applicants for employment in the US must be authorized to work in the US. CDK may offer employer visa sponsorship to applicants.
.png)
