Senior Network Engineer
Job in
Concord, Merrimack County, New Hampshire, 03306, USA
Listed on 2026-09-24
Listing for:
Socket.dev
Full Time
position Listed on 2026-09-24
Job specializations:
-
IT/Tech
Cybersecurity, Network Security, Network Engineer, Systems Engineer
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.
- Performs other similar duties as required.
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
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.
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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