Network Engineer 4

reliance•Cypress, CA

2d•Onsite

About The Position

The Network Engineer IV is responsible for administration, monitoring, and support of all aspects of the network infrastructure, including deployment, operations, maintenance, and troubleshooting of high-complexity WAN/LAN/Switching/Routing issues. This role designs and creates Layer 2/3 network architectures for hybrid environments, analyzes current processes for improvement, and develops and maintains documentation. The Network Engineer IV serves as the primary IT contact for Reliance business units and provides escalation response. This role also acts as the technical resource for secure network design, managing standards, patterns, and reference architectures across WAN, LAN, data center, cloud, and network security domains. It partners closely with information security, infrastructure, and application teams to ensure consistent, secure, and well-documented implementations. Operating as a security-aligned Engineer reporting into the Office of the CISO, this role administers and supports hybrid network architectures spanning on-premise data centers and public cloud environments. The Network Engineer IV contributes to designing resilient, secure connectivity supporting mission-critical applications hosted across redundant data centers and AWS and Azure cloud platforms, serving over 300 branch locations. All network designs must align with Zero Trust architecture principles and enterprise security strategy.

Requirements

Bachelor’s Degree or equivalent work experience in a related field required
7+ years’ experience in engineering and supporting large, enterprise class, multisite network deployments required
7+ years’ experience with deploying and supporting voice, video, and data in a multi-tenant environment required
5+ years’ experience with telecom/data carrier provisioning, billing, and troubleshooting procedures required
Expert-level experience with Cisco routers and switches in a multi-VRFs environment required
Hands‑on experience designing enterprise AWS and Microsoft Azure network architectures, including hybrid connectivity to on‑premises data centers
Must be self-motivated and able to work independently, with minimal supervision and as part of a team
Detail oriented with excellent interpersonal communication skills
Excellent customer service skills
Strong written, verbal and presentation communication skills and ability to communicate at all levels within an organization
Familiar with database concepts and client/server concepts
Strong organizational skills and ability to multi-task in an enterprise business environment
Functional knowledge of core networking concepts and datacenter fabric designs required
Proficient technical documentation skills
Working knowledge and experience in layer 2 switching, Spanning-tree, port-security, port-fast, BPDU, loop-guard, and root-guard required.
Proficient Knowledge of TCP/IP, Ethernet technologies, IP routing and routing protocols, multicast, Unix/Linux systems, network security technologies and enterprise network architectures
Basic knowledge working with Packet Analysis and network monitoring tools

Nice To Haves

5+ years’ experience with QoS, BGP, MP-BGP, EIGRP, and SDWAN preferred
3+ years’ experience with software vendors such as Cisco ISE, NetFlow, and Wireshark preferred
3+ years’ experience with current best practices in IT standards, principles, and security practices preferred
3+ years’ experience supporting a multi-facility environment preferred
Current CCNP certification preferred
Terraform or similar experience is a plus

Responsibilities

Design and implement advanced enterprise network architectures, including Layer 2/3, WAN, multi-region data center, and cloud-connected environments aligned with business and availability requirements.
Contribute to the development and evolution of enterprise network architectures, standards, and design patterns.
Engineer secure hybrid network solutions spanning on-premises data centers and public cloud platforms (AWS and Microsoft Azure).
Design scalable and resilient network solutions supporting distributed application environments across 300+ branch locations.
Implement secure connectivity patterns between branch, data center, and cloud environments, including routing, segmentation, inspection, and resiliency models.
Apply Zero Trust principles within network designs, including least-privilege access, segmentation, and identity-aware controls.
Evaluate existing network environments and recommend improvements to enhance performance, security, and operational efficiency.
Participate in architecture reviews and provide technical input on complex or high-risk initiatives.
Ensure engineering deliverables align with established enterprise architecture, security, and cloud strategies.
Implement security controls within network designs, including firewall policies, segmentation, encryption, and secure remote access solutions.
Support the integration of Zero Trust principles into network engineering solutions in alignment with enterprise security strategy.
Configure and deploy identity-aware networking solutions, device posture validation, and contextual access controls.
Implement trust boundaries, inspection points, and enforcement controls across hybrid environments.
Collaborate with Information Security teams to ensure adherence to security policies, standards, and regulatory requirements.
Engineer secure connectivity solutions for data, voice, video, cloud, and third-party services.
Support migration efforts to modernize legacy networks and reduce technical debt.
Contribute to the development and maintenance of network standards, reference architectures, and lifecycle strategies.
Implement and adhere to AWS and Azure network design standards, including routing, connectivity, and segmentation.
Evaluate network technologies and provide recommendations based on performance, scalability, and lifecycle considerations.
Support network integration activities for mergers, acquisitions, and divestitures.
Document designs, configurations, and implementation procedures to ensure consistency and supportability.
Ensure implemented solutions are scalable, supportable, and aligned with business and technical requirements.
Serve as a senior escalation point for complex network engineering and operational issues.
Provide guidance and mentorship to junior and mid-level engineers during design and implementation activities.
Collaborate with infrastructure, security, cloud, and application teams to deliver integrated solutions.
Translate business and technical requirements into practical, secure network implementations.
Lead or support implementation efforts for large-scale or complex network initiatives.
Administer, monitor, repair, and support all aspects of the Network infrastructure.
Troubleshoot and correct high complexity problems that affect operation of the environment.
Develop and maintain documentation of their assigned environment.
Conducts analysis for possible improvements, prepares reports, and works on project implementation.
Provide support, troubleshoot, installation and configuration of routers, switches, SDWAN, firewalls, access-points, network management applications, datacenter fabric (spine and leaf), and related technologies.
Evaluate new technology as potential solutions to address existing problems.
Provide deployment, implementation and operation services of Cisco, Arista, Aruba, and Palo Alto.
Support data, voice, and video traffic on a converged network. Conduct analysis to ensure productivity improvement and functionality of associated network services. Perform complex technical analysis of packet captures.
Serve as technical liaison with vendors and strategic partners.
Pursue continuous training and development in enterprise networking and security.
Assist other IT teams with architectural guidance and problem resolution.
Participate in incident post-mortems and architecture improvement initiatives.