Senior Network Engineer

Clean Harbors; Norwell (MA); On-site; USD 51,000 - 160,000; Full time

Benefits offered by this job

Health and safety priority

Competitive wages

Comprehensive health benefits coverage

Group 401K with company matching

Growth and development opportunities

Generous paid time off and training

Positive and safe work environments

Job summary

Clean Harbors seeks a Senior Network Engineer to design and maintain LAN/WAN networks across internal and remote sites. You will test systems, fix complex issues, and serve as the primary contact for remote locations to resolve problems and prevent outages.

The role requires a Bachelor's in CS/CE and 7+ years’ experience with Cisco routing/switching, Palo Alto firewalls, Nexus data-center switches, VPNs, OSPF/BGP, and Azure networking.

Qualifications

• Bachelor's degree in Computer Science/Computer Engineering/Related.
• 7+ years of experience in similar role
• Experience deploying, administering, and troubleshooting Cisco routing and switching
• Designing large scalable networks
• Managing and configuring wireless connectivity
• Experience with advanced network monitoring tools
• Troubleshooting network connectivity issues
• Thorough understanding of DNS
• Experience with load balancing
• Configuring IDS / IPS
• Configuring VPN both S2S and client
• Expert level skills configuring and maintaining Palo Alto firewalls
• Experience with Cisco Nexus data centre switches and vxlan
• Understanding of VoIP
• Thorough understanding of Routing protocols specifically OSPF, & BGP
• Experience configuration Microsoft Azure networking including vwans, vnets, vhubs, resource groups and subscriptions
• Experience working with vendors configuring and turning up multiple WAN circuits

Responsibilities

• Troubleshoots complex network related issues
• Evaluates, designs, deploys, and maintains primary networking infrastructure
• Installs internal and external networks
• Maintains networking infrastructure and communications
• Evaluates existing systems for potential problems / improvements
• Works with vendors to evaluate new hardware and software
• Works with vendors to troubleshoot issues inside and outside the primary network
• Offers troubleshooting assistance to applications and server teams through packet analysis
• Work with users and field personnel in remote locations to install and maintain routers, switches and wireless access points
• Produce and maintain clear documentation illustrating up-to-date network topology and easy to follow procedures
• Maintain documentation and allocate IP addressing company wide.
• Effectively communicate step by step instructions with non‑technical personnel acting as remote hands

Skills

Cisco routing and switching

Palo Alto firewalls

Cisco Nexus switches

VPN (S2S and client)

OSPF/BGP routing

Azure networking

Education

Bachelor's degree in Computer Science/Computer Engineering/Related

Tools

Palo Alto Firewall Management

Cisco IOS

Wireshark

Job description

Clean Harbors is seeking a Senior Network Engineer to assist in the development and maintenance of network communications. Uses knowledge of LAN/WAN systems to help design and install internal and external networks. Tests and evaluates network systems to eliminate problems and make improvements. Serves as primary contact for remote locations and customers to obtain clarification of problems and provides resolution for system failures or degradations. Rely on experience and judgment to plan and accomplish goals. Performs a variety of tasks. Responsible for evaluating current systems. Works on complex problems where analysis of situation requires in-depth evaluation of many factors. Plans large scale systems projects through vendor comparison and cost studies. Provides work leadership and training to lower-level network engineers.

Why work for Clean Harbors?

• Health and Safety is our #1 priority and we live it 3-6-5!
• Competitive wages
• Comprehensive health benefits coverage after 30 days of full‑time employment
• Group 401K with company matching component
• Opportunities for growth and development for all the stages of your career
• Generous paid time off, company paid training and tuition reimbursement
• Positive and safe work environments

RESPONSIBILITIES

• Troubleshoots complex network related issues
• Evaluates, designs, deploys, and maintains primary networking infrastructure
• Installs internal and external networks
• Maintains networking infrastructure and communications
• Evaluates existing systems for potential problems / improvements
• Works with vendors to evaluate new hardware and software
• Works with vendors to troubleshoot issues inside and outside the primary network
• Offers troubleshooting assistance to applications and server teams through packet analysis
• Work with users and field personnel in remote locations to install and maintain routers, switches and wireless access points
• Produce and maintain clear documentation illustrating up-to-date network topology and easy to follow procedures
• Maintain documentation and allocate IP addressing company wide.
• Effectively communicate step by step instructions with non‑technical personnel acting as remote hands.

QUALIFICATIONS

• Bachelor's degree in Computer Science/Computer Engineering/Related
• 7+ years of experience in similar role
• Experience deploying, administering, and troubleshooting Cisco routing and switching
• Designing large scalable networks
• Managing and configuring wireless connectivity
• Experience with advanced network monitoring tools
• Troubleshooting network connectivity issues
• Thorough understanding of DNS
• Experience with load balancing
• Configuring IDS / IPS
• Configuring VPN both S2S and client
• Expert level skills configuring and maintaining Palo Alto firewalls
• Experience with Cisco Nexus data centre switches and vxlan
• Understanding of VoIP
• Thorough understanding of Routing protocols specifically OSPF, & BGP
• Experience configuration Microsoft Azure networking including vwans, vnets, vhubs, resource groups and subscriptions
• Experience working with vendors configuring and turning up multiple WAN circuits

40-years of sustainability in action. At Clean Harbors, our mission is to create a safer, cleaner environment through the treatment, recycling, and disposal of hazardous materials. Clean Harbors is the leading provider of environmental, energy and industrial services throughout the United States, Canada, Mexico and Puerto Rico. Everywhere industry meets environment, Clean Harbors is on‑site, providing premier environmental, energy and industrial services. We are solving tough problems through innovation and proven methodology - come be part of the solution with us.

Clean Harbors is an equal opportunity employer.

Clean Harbors is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact [e-mail] or 1‑844‑922‑5547.

Clean Harbors is a Military & Veteran friendly company.

Please be advised that Artificial Intelligence (AI) tools may be used to support certain stages of the recruitment process but are not used as a replacement for human decision making.

Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package.

Job Identification: 165316

Category: Information Technology

Posting Date: 2026-10-21

Job Schedule: Full time

Regular or Temporary: Regular

Job Function: IT Network & Infrastructure

Locations: 42 Longwater Drive

Pay Range: 50500.00 - 159963.00 Annually