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Senior Network Engineer - Hybrid Quincy MA

GreenPages
United States, Maine, Kittery
Nov 25, 2025
We are looking for a talented and experienced Senior Network Engineer to join our growing, dynamic team in delivering exceptional service to our customers. In this role, you will take the lead in supporting a large and important customer environment, while also lending your expertise to a diverse portfolio of smaller customers and teammates as needed. You will leverage your deep knowledge of networking technologies including Cisco, HPE, and Dell switches, as well as SonicWall, Fortinet, Meraki and Palo Alto firewalls, to manage, troubleshoot, and optimize mission-critical networks. Your expertise will be crucial in maintaining the highest standards of reliability, security, and performance. Additionally, you will actively contribute to documentation and process improvement initiatives, helping to elevate our service delivery. We are seeking candidates located in the greater Boston area (with a preference for Quincy or surrounding towns) who can travel locally to customer sites for support, upgrades, and emergency situations as required. Reliable transportation is a must. Candidates with experience supporting municipal environments and SLED (State, Local, and Education) sector expertise is a definite plus. If you thrive in high-pressure environments and are passionate about tackling complex technical challenges, we invite you to make a significant impact with our team. Department Blue Mantis Employment Type Full Time Location Hybrid Workplace type Hybrid Compensation $120,000 - $160,000 / year Key Responsibilities Incident Response and Troubleshooting: Quickly assess and resolve network-related incidents, ensuring minimal disruption to operations. Conduct root cause analysis (RCA) and implement preventive measures to avoid recurrence. Proactive Network Maintenance: Perform firmware updates, patches, and upgrades across all network devices. Monitor network health and performance, identifying and addressing potential issues proactively. Documentation and Process Improvement: Create and maintain detailed documentation, including Standard Operating Procedures (SOPs) and technical diagrams. Develop runbooks to streamline troubleshooting and resolution processes. Communication and Collaboration: Provide timely updates and clear communication to stakeholders during incidents and maintenance activities. Collaborate with cross-functional teams to ensure seamless integration of network services. On-Call Support - Participate in an on-call rotation to provide 24/7 network support when needed. Skills, Knowledge & Expertise Technical Skills: Switching and Routing: Expertise in Cisco, HP and Dell switches, with a solid understanding of VLANs, trunking and spanning tree. Firewalls: Hands-on experience with SonicWALL, Fortinet, Meraki and Palo Alto firewalls, including policy configuration, troubleshooting, high availability and optimization. Wireless and Cloud Networking: Experience with Cisco and Meraki Wireless Load Balancing: Proficiency with physical and virtual F5 load balancers, including configuration and troubleshooting. Monitoring: Familiarity with network monitoring tools (SolarWinds) Soft Skills: Exceptional analytical and problem-solving abilities. Strong verbal and written communication skills to provide clear updates and create comprehensive documentation. Ability to work independently and as part of a team in a fast-paced, high-pressure environment. Experience: Minimum 7-10 years of experience in network engineering roles, with a focus on enterprise-scale environments. Proven track record in incident management, RCA, and delivering network solutions under tight deadlines. Experience with firmware updates, patch management, and hardware lifecycle management. Certifications (Preferred): Cisco Certified Network Professional (CCNP) or equivalent Job Benefits Please note: This range is based on our market pay structures. However, individual salaries and hourly pay rates are determined by a variety of factors including, but not limited to business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. We consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status. Reasonable accommodations will be made to enable employees with disabilities to perform the essential functions of the job. This job description is intended to describe the general nature of work being performed by employees in this job. It is not intended to be a complete list of all responsibilities, duties, and skills required. Agencies/3 Parties may not solicit to any employee of Blue Mantis. Any candidate information received from any Agency/3 Party will be considered a gift and property of Blue Mantis, unless the Agency/3 Party is an Authorized Vendor of Blue Mantis with an up-to-date Blue Mantis Contract in hand signed by Blue Mantis Talent Acquisition. No payment will be made to any Agency/3 Party who is not an Authorized Vendor, nor has specific approval in writing from Blue Mantis Talent Acquisition to engage in recruitment efforts for Blue Mantis. At this time, we have no interest in onboarding any new staffing partners. About Blue Mantis Blue Mantis is a leading strategic digital technology services provider with a 30+ year history of successfully helping clients achieve business modernization by applying next-generation technologies including managed services, cybersecurity and cloud. Headquartered in Portsmouth, New Hampshire, the company provides digital technology services and strategic guidance to ensure clients quickly adapt and grow through automation and innovation. Blue Mantis partners with more than 1,200 leading mid-market and enterprise organizations in a multitude of vertical industries and is backed by leading private equity firm Recognize. Apply Now