Network Engineer, II

Position Title: Network Engineer III (LAN/Wireless – Tier
3)

Clearance Requirements: Public Trust Eligibility

Position Status: Contract

Position

Description:

We are seeking an experienced Network Engineer III to join a high-performing team providing enterprise LAN and wireless support. This role requires travel to sites across the U.S. (~50%+) for network surveys, installations, and upgrades, with hybrid work in Raleigh, NC when not traveling. The ideal candidate will serve as a Tier 3 escalation point, design and implement LAN/Wireless infrastructure, optimize network performance, and mentor junior engineers.

This role demands independent problem-solving, strong technical expertise, and excellent communication skills.

Key Responsibilities:

• Travel nationwide for network surveys, installations, and upgrades
• Serve as Tier 3 escalation for complex LAN/Wireless issues
• Design, implement, and manage LAN/Wireless infrastructure projects
• Configure and support Cisco IOS Layer 2/3 switches, routers, and wireless systems
• Configure and troubleshoot routing protocols: OSPF, EIGRP, RIP, and Static routes
• Perform switch acceptance, vulnerability mitigation, and firewall/load balancer support
• Monitor, optimize, and troubleshoot network performance
• Review site designs and provide guidance on multi-floor pathways and cable backbones
• Develop and maintain network documentation, diagrams, and project status reports
• Mentor Tier 2 engineers and provide technical guidance

Required Skills/

Education:

• Bachelor’s Degree in IT, Computer Science, or related field, or equivalent experience
• Minimum 8 years IT experience with at least 5 years in network engineering and support
• Strong expertise in enterprise LAN/Wireless architecture and design
• Experience with Cisco, Meraki, Aruba, Juniper Mist, and Fortinet network solutions
• Proficient in LAN protocols, IOS configuration, and troubleshooting
• Experience with Wi-Fi site survey and planning tools (Ekahau preferred)
• Strong analytical and problem-solving skills
• Ability to work independently in fast-paced and dynamic environments
• Excellent interpersonal and communication skills
• Must have resided in the U.S. for the last 5 years and meet Public Trust clearance criteria

About Seneca Resources

At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.

When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.