Senior Network Engineer

About Suffolk  

Suffolk is a national enterprise that builds, innovates, and invests. We provide value across the entire project lifecycle through our core construction management services and complementary business lines in real estate investment, design, self-perform construction, and technology start-up investment (Suffolk Technologies). By integrating data, artificial intelligence, and advanced technology through our Seamless Platform, we connect design, construction, and operations to deliver smarter, more predictable results and redefine how America builds. 

Suffolk – America’s Contractor – is a national company with more than $9 billion in annual revenue, 3,000 employees, and 17 offices, including Boston (headquarters), New York City, Miami, West Palm Beach, Tampa, Estero, Dallas, Los Angeles, San Francisco, San Diego, Las Vegas, Herndon, U.S. Virgin Islands, and other key markets. Suffolk manages some of the most complex and transformative projects in the country, serving clients across healthcare, life sciences, education, gaming, aviation, transportation, government, mission critical, and commercial sectors. Suffolk is privately held and is led by founder, chairman and CEO John Fish. Suffolk is ranked #8 on ENR’s list of “Top CM-at-Risk Contractors.” For more information, visit www.suffolk.com and follow Suffolk on Facebook, Twitter, LinkedIn, YouTube, and Instagram. 

At Suffolk, we believe that our total rewards program should offer you and your family the support you need when it matters most. That’s why we have created a program that provides employees with access to a wide variety of options that can be personalized to support you and your loved ones physically, emotionally, and financially. 

Benefits include, 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 and more.  For more information, click here. 

Role Summary

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.

Network Architecture & Design• 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.

Network Engineering & Implementation• 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

Security & Network Protection• 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.

Monitoring, Performance & Reliability• 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.

Incident Response & Support• 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

Collaboration & Leadership• 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

Documentation & Operational Excellence• 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

Networking Fundamentals• Deep understanding of TCP/IP and enterprise protocols, including DNS, DHCP, NTP, HTTP/HTTPS, SMTP, SSL/TLS, LDAP, CIFS, HSRP/VRRP, and 802.1X.

Core Technical Capabilities• 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.

Tools & Platforms• Monitoring and analysis tools: SolarWinds, NetScout (Fluke), and Wireshark.• Security and access control tools: ClearPass, SIEM, and IDS/IPS.

Professional Skills• Strong written, verbal, and organizational skills.• Ability to work independently in a fast-paced environment.• Strong mentoring and cross-functional collaboration skills.

Experience & Qualifications• Bachelor’s degree in Computer Science or related field, or equivalent experience • 7+ years of enterprise network engineering experience • Relevant certifications preferred (e.g., CCNP) • Proven success supporting complex enterprise networking environments

While performing the duties of this job, the employee is regularly required to sit for long periods of time; talk or hear; perform fine motor, hand and finger skills in the use of a keyboard, telephone, or writing. The employee is frequently required to stands; walk; and reach with arms and/or hands. Specific vision abilities include close vision, distance vision, depth perception and the ability to adjust focus. The employee will spend their time in an office environment with a quiet to moderate noise level. Job site walking.

Suffolk provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran, gender identity, age or any other status protected by law.  This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment.  Suffolk will not tolerate any unlawful discrimination toward, or harassment of, applicants or employees by anyone at Suffolk, or anyone working on behalf of Suffolk.

Where required by law, pay ranges can be found in Suffolk's job postings. Base Salary for this position is just one component of Suffolk’s total rewards package for employees. Actual salaries may be based on several factors including, but not limited to, a candidate's skill set, experience, education and other qualifications. Suffolk offers a comprehensive benefits package as part of its overall total rewards strategy. Salary ranges are reviewed regularly to reflect market trends.