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Senior Network Engineer

https://www.roberthalf.com Logo

Robert Half

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Location:
United States, Merrimack

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

We are seeking a highly skilled and experienced Senior Network Engineer to design, implement, maintain, and support growing network infrastructure. You will be part of a dynamic team responsible for ensuring the stability, integrity, and efficient operation of the in-house information systems that support core organizational functions.

Job Responsibility:

  • Design and deploy functional networks (LAN, WLAN, WAN, cloud, etc.)
  • Configure and install software, servers, routers, and other network devices
  • Monitor network performance and integrity
  • Troubleshoot network architecture and make recommendations for system findings and enhancements
  • Perform network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations
  • Collaborate with network architects on network optimization
  • Secure network systems by establishing and enforcing policies and defining and monitoring access
  • Provide Level 3 support and troubleshooting to resolve issues
  • Document network problems and resolutions for future reference
  • Mentor junior engineers and provide technical guidance

Requirements:

  • 5+ years of hands-on experience with Cisco networking technologies
  • Expertise in Cisco Nexus platforms (5K, 7K, 9K series)
  • Strong understanding of dynamic routing protocols (OSPF, EIGRP, BGP)
  • Experience with Cisco ASA, Firepower, and Meraki solutions
  • Proficiency in network monitoring and diagnostic tools (e.g., SolarWinds, NetFlow)
  • Solid understanding of Layer 2/3 networking, VLANs, STP, HSRP, VRRP
  • Familiarity with network automation and scripting (Python, Ansible) is a plus
  • Cisco certifications (CCNP, CCIE, or equivalent) strongly preferred

Nice to have:

Familiarity with network automation and scripting (Python, Ansible)

What we offer:
  • medical, vision, dental, and life and disability insurance
  • eligible to enroll in our company 401(k) plan

Additional Information:

Job Posted:
August 13, 2025

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