This is a multi-level posting. Candidates may be considered for any of the posted levels, depending on their level of experience and depth of expertise.

The Network Engineer 2 or 3 is an advanced technical role responsible for designing, implementing, and supporting projects that secure the organization's network perimeter. This position supports and, at more advanced levels, leads initiatives involving firewall platforms, DDoS protection technologies, load balancers, and hybrid/cloud network integrations to ensure secure, resilient, and scalable connectivity.

Operating with increasing autonomy, the network engineer contributes technical expertise across complex projects, partners with architecture and security teams, and helps drive best practices for network edge design, availability, and threat mitigation.

MidAmerican Energy Company, a Midwest utility, provides regulated electric and natural gas service to more than 1.6 million customers in Illinois, Iowa, Nebraska and South Dakota. The company owns and operates a portfolio of power-generating assets, approximately 61% of which is wind generation.

Bachelor''s degree in information systems, computer science or related technical field or equivalent work experience. (Typically, four years of additional related, progressive work experience would be needed for candidates applying for this position who do not possess a bachelor''s degree.)

Two or more years of experience with data networking or general telecommunications experience is required for the level 2.

Five or more years of experience with data networking or general telecommunications experience is required for the level 3.

Technical skills including programming, installation, configuration, and inventory management.

Expert level analysis and design skills involving the ability to gather data on systems issues, define alternative approaches, assess business impact, recommend cost effective solutions, and develop and implement those solutions. Demonstrate expert proficiency in two of the following technologies and advanced skills and knowledge in the balance:

Core routing - routing protocols and route redistribution using OSPF, and BGP, network technologies including VRFs, QoS, IPv6 and NAT

Core switching - advanced data center switching using 10Gig, EtherChannel, FCoE, virtual port channels, virtual device contexts and power redundancy

Network security - internet DMZ design support including advanced firewall experience and experience with tier one service provider networks, Palo Alto Firewall, F5 Web Application Firewall, Cloudflare Web Application Firewall

Network diagnostics - expert protocol/packet analyzer Sniffer/SNORT experience, expert Netflow and performance analysis experience

Application load balancing - expert application load balancing experience for performance optimization and highly available environments

Advanced Certification or demonstrate equivalent knowledge Advanced knowledge of current technologies, tools, applications, and vendors.

Effective oral and written communication skills. Effective analytical and problem-solving skills. Ability to prioritize and handle multiple tasks and projects concurrently.

Work Authorization/Sponsorship

At this time, we''re not considering applicants that need any type of immigration sponsorship (additional work authorization or permanent work authorization) now or in the future to work in the United States. This includes, but IS NOT LIMITED TO: F1-OPT, F1-CPT, H-1B, TN, L-1, J-1, etc. For additional information around work authorization needs please use the following links.

Nonimmigrant Workers and Green Card for Employment-Based Immigrants

Lead the design, implementation, and lifecycle management of network border security solutions, including firewalls, DDoS mitigation platforms, switch and routing equipment, and load balancers.

Plan and execute secure network integrations with public and private cloud environments, supporting hybrid connectivity and cloud‑native services.

Serve as a technical resource for complex projects, providing guidance, design validation, and troubleshooting expertise.

Collaborate with security, infrastructure, and application teams to align network edge solutions with enterprise security standards and architectural principles.

Drive improvements in network resilience, availability, and performance through proactive design, testing, and optimization.

Develop and maintain technical documentation, standards, and runbooks related to network border and security services.

Support incident response and root cause analysis for network security events, contributing to continuous improvement efforts.

Evaluate emerging technologies and recommend enhancements to strengthen the organization's network security posture.