Senior Network Engineer
Suffolk Construction•Boston, MA
•Onsite
About The Position
The Network Engineering team designs, delivers, and supports Suffolk’s enterprise network infrastructure across corporate offices, jobsites, data centers, and cloud environments. As a Senior Network Engineer, you will lead enterprise network architecture, deployment, operations, and continuous improvement while serving as a key escalation point for complex issues.
Requirements
- Deep understanding of TCP/IP and enterprise protocols, including DNS, DHCP, NTP, HTTP/HTTPS, SMTP, SSL/TLS, LDAP, CIFS, HSRP/VRRP, and 802.1X.
- Strong experience with enterprise routing and switching across Cisco, Juniper, Fortinet, and Aruba environments.
- Cloud networking experience in AWS and Azure.
- WAN technologies including MPLS, VPLS, DIA, and VPN.
- Monitoring and analysis tools: SolarWinds, NetScout (Fluke), and Wireshark.
- Security and access control tools: ClearPass, SIEM, and IDS/IPS.
- Strong written, verbal, and organizational skills.
- Ability to work independently in a fast-paced environment.
- Strong mentoring and cross-functional collaboration skills.
- Bachelor’s degree in Computer Science or related field, or equivalent experience.
- 7+ years of enterprise network engineering experience.
Nice To Haves
- Relevant certifications preferred (e.g., CCNP)
Responsibilities
- Design and recommend network solutions that improve performance, resilience, and scalability.
- Architect and deploy LAN/WAN, data center, and cloud networking solutions across AWS and Azure.
- Evaluate emerging technologies, contribute to infrastructure standards, and support capacity planning.
- Install, configure, and manage routers, switches, voice gateways, firewalls, SSL VPN, wireless infrastructure, NAC platforms, and cloud networking components.
- Implement and support VLANs, routing protocols, QoS, DHCP, NTP, PoE, SNMP, FTP/TFTP, CDP, SSH, HTTPS, and AAA.
- Deploy and maintain Fortinet security appliances, Aruba ClearPass, and related access control policies.
- Support IDS/IPS, SIEM integrations, firewall hardening, and compliance with security standards.
- Monitor network health, uptime, and performance using tools such as SolarWinds, NetScout, and Wireshark.
- Conduct protocol analysis, troubleshoot latency and packet loss, identify bottlenecks, and produce performance reports.
- Serve as Tier III escalation point for network-related incidents.
- Lead root cause analysis and ensure timely, well-documented resolution of issues.
- Provide after-hours support for critical outages when required.
- Troubleshoot hardware, software, and circuit issues including MPLS, QoS, and private line connectivity.
- Partner with infrastructure, security, and application teams to deliver integrated IT solutions.
- Work with vendors and service providers to support implementations and resolve issues.
- Mentor junior engineers and provide technical guidance to IT staff.
- Maintain network documentation, including diagrams, configuration standards, and change records.
- Contribute to standardization, monitoring and logging improvements, and process optimization.
- Support data center and IDF/MDF environments, including equipment and environmental monitoring.
Benefits
- competitive salaries
- auto allowances and gas cards for certain roles
- access to market leading medical and emotional and mental health benefits
- dental, and vision insurance plans
- virtual care options for physical therapy and primary care
- generous paid time off
- 401k plan with employer match and access to expert financial resources
- company paid and voluntary life insurance
- tax deferred savings accounts
- 10 backup daycare days each year
- short- and long-term disability
- commuter benefits
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
Associate degree
