Sr. Network Engineer

About the role

We are looking for an experienced Sr. Network Engineer to join a contract opportunity with potential for a permanent role, supporting a life insurance organization in West Des Moines, Iowa. This role focuses on building and advancing enterprise and internet peering capabilities across a complex network environment, while shaping scalable standards for performance, security, and reliability. The ideal candidate brings deep technical expertise with Cisco-based infrastructure, strong architectural judgment, and the ability to guide engineering teams through implementation and operational best practices.

Responsibilities

• Lead the architecture and rollout of advanced network peering solutions that support secure, resilient, and high-performing connectivity across the enterprise.
• Design, implement, and maintain complex routing, switching, and transport environments spanning Layer 1, Layer 2, and Layer 3 network services.
• Create technical standards, detailed diagrams, and supporting documentation for network, telephony, video, and connectivity solutions.
• Evaluate network hardware, software platforms, and monitoring technologies, then coordinate adoption and deployment based on business and technical needs.
• Provide senior-level engineering guidance to network team members, including knowledge sharing for configuration, troubleshooting, and operational support.
• Drive the development of secure network architectures by implementing controls such as segmented environments, DMZ frameworks, web filtering, and intrusion prevention capabilities.
• Assess the impact of new services and infrastructure changes by producing network designs and architectural recommendations aligned with long-term strategy.
• Contribute technical leadership in balancing traditional networking approaches with software-defined and cloud-connected solutions to deliver cost-effective services.
• Proactively identify service risks and performance issues, then lead resolution efforts with clear communication and strong technical ownership.

Requirements

• 5+ years of experience in network engineering, with senior-level responsibility for complex enterprise environments.
• Demonstrated expertise designing and implementing internet peering solutions and advanced routing architectures.
• Strong hands-on experience with Cisco routers, switches, and related Cisco networking technologies.
• Deep understanding of core network protocols such as BGP and OSPF, along with broader Layer 2 and Layer 3 design concepts.
• Experience supporting secure network environments that include DMZ design, segmentation, web proxy filtering, intrusion detection or prevention, and data protection controls.
• Knowledge of voice and video networking, including VoIP infrastructure and traffic design considerations.
• Ability to produce clear technical documentation, communicate effectively with stakeholders, and provide leadership across engineering teams.
• Experience with technologies such as Cisco ASA and Cisco ACI is highly valued.

Benefits

• Medical, vision, dental, and life and disability insurance available to contract/temporary professionals.
• Eligibility to enroll in the company 401(k) plan for hired contract/temporary professionals.