Employment Type: Full-Time
Location: Monroe, CT
Work Arrangement: Hybrid 3 days onsite / 2 days remote after an initial 3-month period, subject to business needs
Compensation: $106,000 $131,000 Base Salary
Work Authorization: Candidates must be authorized to work in the U.S. without current or future employment sponsorship.
About the Role
Our client is seeking a Senior Network Security Engineer to maintain, secure, and enhance a complex enterprise network infrastructure. This hands-on role will focus on network engineering, firewall and security administration, infrastructure reliability, and the design and implementation of network solutions.
The ideal candidate brings deep networking expertise, strong troubleshooting skills, and experience managing enterprise-scale network security environments. This individual will also contribute to infrastructure projects, technical documentation, and compliance with applicable industry and regulatory standards.
Key Responsibilities
Network & Security Engineering
Administer, maintain, and enhance network infrastructure, including switches, routers, firewalls, VPNs, and network management systems.
Design, implement, and support network and security solutions, including standardized configurations and build templates.
Troubleshoot complex network issues, analyze traffic, and resolve performance, connectivity, and security problems.
Monitor network performance, resource utilization, licensing, and infrastructure health.
Ensure network equipment and configurations meet applicable security and compliance standards.
Architecture & Project Delivery
Design, install, and support new network hardware, software, and infrastructure.
Lead or coordinate network and security projects, managing scope, schedules, budgets, and resources.
Develop and maintain network diagrams, configuration standards, technical documentation, and work instructions.
Support infrastructure procurement, licensing, and vendor or contract activities.
Perform preventative maintenance and participate in a rotating after-hours support schedule.
Security & Continuous Improvement
Apply advanced network engineering and security principles to complex infrastructure challenges.
Support firewall management, network access controls, and network security investigations.
Use packet captures, protocol analysis, monitoring, and alerting tools to investigate and resolve issues.
Identify opportunities to improve network reliability, security, efficiency, and performance.
Required Qualifications
8+ years of experience in network infrastructure engineering, including at least 4 years managing firewalls or network security systems.
Strong experience with Cisco routing and switching, enterprise network architecture, and network services.
Hands-on firewall configuration, maintenance, and troubleshooting experience.
Solid understanding of TCP/IP, DNS, DHCP, VPNs, network protocols, and network monitoring.
Experience designing, implementing, troubleshooting, and maintaining complex network environments.
Strong analytical, troubleshooting, and problem-solving skills.
Ability to manage projects, document technical solutions, and coordinate work across teams.
Excellent written, verbal, and interpersonal communication skills.
Bachelor s degree in IT, business, or a related field.
Ability to participate in a rotating after-hours support schedule.
Preferred Qualifications
Experience with network security investigations and packet capture/protocol analysis.
Knowledge of network architecture standards, emerging technologies, and industry-specific regulatory requirements.
Experience creating detailed network design diagrams and technical documentation.
Cisco CCNA, CCNP, or relevant security certifications.
Why This Role?
Take ownership of network engineering and security across a complex enterprise environment.
Work on infrastructure design, network security, performance optimization, and technical projects.
Apply advanced troubleshooting and engineering skills to meaningful infrastructure challenges.
Collaborate with technical teams while contributing to long-term network architecture and security improvements.
Competitive $106,000 $131,000 base salary with benefits and a hybrid work arrangement after the initial three months.
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