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Senior Network Engineer

Job in Concord, Merrimack County, New Hampshire, 03306, USA
Listing for: Socket.dev
Full Time position
Listed on 2026-09-24
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security, Network Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 110000 - 150000 USD Yearly USD 110000.00 150000.00 YEAR
Job Description & How to Apply Below

Essential Duties and Responsibilities:

  • Architects and administers all of the City’s enterprise networks, including infrastructure design, implementation, configuration, and maintenance of routers, firewalls, switches, VPN hardware, and wireless.
  • Develops and maintains network architecture standards, logical/physical diagrams, and design documentation to support scalability, resiliency, and disaster recovery planning.
  • Evaluates emerging networking and security technologies and makes recommendations on architecture upgrades, hardware refresh cycles, and capacity planning.
  • Aids in the design and administration of the City’s server environment.
  • Provides support of network infrastructure to ensure successful performance and secure operation of the enterprise network.
  • Performs device configuration maintenance, firewall management & troubleshooting.
  • Performs device and traffic monitoring, analysis, management and troubleshooting.
  • Develops usage and security metrics to allow for the detection of abnormal activities.
  • Administers overall network security, including planning and oversight of penetration and vulnerability testing performed internally or by third-party assessors.
  • Performs security audits from internal and external parties.
  • Investigates security incidents and researches and implements solutions.
  • Identifies and remediates network vulnerabilities.
Supplemental Functions:
  • Performs other similar duties as required.
Job Specifications and

Qualifications:


Knowledge:
  • Enterprise network architecture and design principles, including redundancy, segmentation, and disaster recovery
  • Networking methods, materials and equipment
  • Enterprise switching and routing platforms
  • Enterprise firewall administration, VPN, and security policy management
  • Network protocols, including BGP, QoS policy design, data center networking, NAC/ 802.1X port-based authentication, cloud/hybrid connectivity and enterprise monitoring software
Licensing and

Certifications:

  • Cisco Certified Network Professional (CCNP) preferred
  • Cisco Certified Design Professional (CCDP) or Cisco Certified Design Expert (CCDE) preferred
  • Fortinet Network Security Expert 4 (NSE
    4) – Network Security Professional preferred
  • Fortinet Network Security Expert 7 (NSE
    7) preferred
  • EC-Council Certified Ethical Hacker (CEH) preferred
  • EC-Council Certified Network Defender (CND) preferred
  • Valid North Carolina Driver’s License

PLEASE NOTE:

Applicants must meet the City’s criteria for an acceptable driving record.

Working Conditions /

Physical Requirements:

  • Positions in this class require: vision, hearing, fine dexterity, sitting, talking, standing, walking, lifting, carrying, reaching, handling, kneeling, crawling, pushing/pulling, climbing, foot controls, balancing, crouching, twisting.
  • Sedentary Work:
    Exerting up to 10 pounds occasionally or negligible weights frequently; sitting most of the time.

The intent of this job description is to provide a representative summary of the types of duties and responsibilities that will be required of the positions given this title and shall not be construed as a declaration of the specific duties and responsibilities of any particular position. Employees may be requested to perform job-related tasks other than those specifically presented in this description.

Fair Labor Standards Act (exempt/non-exempt) is designated by position. The employer actively supports Americans with Disabilities Act and will consider reasonable accommodations.

Position Requirements
10+ Years work experience
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