Senior Network Engineer (Network Architect) - Hybrid in Boston

Senior Network Engineer - Hybrid in Boston Summary of the Role The Senior Network Engineer position is a senior technology practitioner responsible for the collaborative design, implementation, monitoring, maintenance, and security of enterprise network infrastructure across SimSpace corporate offices and data centers across the United States and Europe. This individual will serve as a senior technical resource and subject matter expert for both core network and network security infrastructure, helping lead operational support, architecture, modernization, and incident response efforts. The role combines traditional network engineering responsibilities with expanded ownership of network security operations, secure access technologies, firewall management, web application protection, and vulnerability management. The successful candidate will possess deep technical expertise in enterprise networking and security technologies, strong analytical and troubleshooting skills, and the ability to lead initiatives and mentor junior engineers. Effective collaboration with infrastructure, cloud, security, and business stakeholders is critical to success in this role. What You Will Do (Responsibilities) Act as the subject matter expert for SimSpace network and network security infrastructure Design, implement, support, and secure enterprise network infrastructure and software‑defined networking solutions Configure and maintain complex VMware environments leveraging NSX‑T, DVS, and software‑defined networking technologies Contribute to the design and implementation of resilient, secure, and scalable network architectures Configure and troubleshoot virtual networking, VLANs, VRFs, traffic forwarding, and hybrid cloud connectivity Lead network modernization initiatives, including technology refreshes, architecture improvements and capacity planning Troubleshoot all levels of network connectivity issues including, but not limited to, network outages, switch failures, network performance, network interface card (NIC), cabling, TCP/IP configuration, etc. Perform troubleshooting of complex network and security incidents, including outages, performance issues, routing failures, VPN issues, and other network events Support enterprise LAN/WAN, internet connectivity, data center networking and cloud networking initiatives. Manage and optimize secure web access technologies including content filtering, secure web proxy, SSL inspection, DLP, and zero‑trust remote access platforms Administer next‑generation firewall infrastructure, including firewall policies, ACLs, NAT, IPS/IDS, VPNs, routing, segmentation, and high‑availability configurations Manage web application firewall (WAF) and edge security technologies, including rulesets, custom protections, bot mitigation, and application‑layer threat prevention Support centralized logging, security monitoring, alerting, and threat analysis activities across network and security platforms Assess existing network and security technologies to identify opportunities for modernization, improved security posture, and operational efficiency Maintain documentation, standards, and operational procedures for network and security infrastructure Provide technical leadership, mentorship, and guidance to junior engineers and operational staff Participate in maintenance activities, infrastructure upgrades, and business‑driven technology projects What You Will Bring (Requirements and Bonus Skills) 8+ years of network engineering experience 5+ years of hands‑on network security or security infrastructure experience Strong understanding of enterprise networking concepts, protocols, and infrastructure design Deep knowledge of routing, switching, TCP/IP, DNS, BGP, OSPF, VLANs, VRFs, VPNs, and network segmentation Experience designing and supporting enterprise LAN, WAN, and data center network architectures Experience managing next‑generation firewalls, secure web gateways, web‑application firewalls, and zero‑trust security platforms Strong hands‑on experience with firewall policy management, NAT, IPS/IDS, VPN technologies, and routing protocols Strong understanding of web certificates, PKI, TLS/SSL encryption, certificate lifecycle management, and troubleshooting certificate‑related connectivity or inspection issues Experience with LAN/WAN design including IP allocations, segmentation, VLAN implementation, and hybrid cloud networking Proficiency with packet captures, traffic analysis, and network troubleshooting methodologies Familiarity with vulnerability management and security assessment tools Experience with monitoring and observability platforms Ability to lead technical implementations, infrastructure upgrades, and operational initiatives Ability to quickly learn and adapt to new technologies and platforms Strong written and verbal communication skills Preferred Qualifications CCNP Enterprise, CCIE Enterprise Infrastructure, or equivalent networking certifications Experience with network automation frameworks and scripting technologies Experience supporting large‑scale enterprise or data center environments Experience supporting compliance frameworks such as SOC 2, ISO 27001, or CMMC Understanding of AI and automation technologies that improve network operations, monitoring, troubleshooting, and operational efficiency Benefits Compensation. Base salary range: $135,000 - $205,000 reflecting our confidence in your expertise and impact, with the opportunity for bonuses tied to company performance and individual contributions. Health & Wellness. Comprehensive medical, dental, and vision benefits, plus savings plans—coverage starts on day one! Mental Health Support. Access to company‑paid counseling, coaching, and resources for you and your family through Spring Health. Financial Well‑Being. Plan for your future with a 401(k)‑retirement savings plan featuring a company match. Flexible Time Off. Take the time you need with unlimited vacation and dedicated health & wellness days. SimSpace provides flexible solutions to meet the diverse work‑life needs of team members. Parental Leave. Paid leave plans to support you and your loved ones during life’s most important moments. Ownership Opportunities. Equity stock options at hire, with annual performance‑based grants—become an invested stakeholder in our shared success. Referral Rewards. Earn $1,500–$3,500 for every qualified hire through our employee referral program. Peloton Interactive Wellness Program. Full‑ and partial‑ subsidized membership plans and equipment discounts to help you reach your personalized fitness goals. Continuous Learning. Access a LinkedIn Learning membership to prioritize your personal and professional development. Social Connections. Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community. Extra Perks. Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life’s details. Equal Opportunity Employer In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. SimSpace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws. We are committed to providing an inclusive and welcoming environment for all members of our staff, clients, volunteers, subcontractors, vendors, and clients. Research shows that women and people from underrepresented groups only apply to jobs if they meet all of the qualifications. However, no one ever meets 100% of the qualifications. SimSpace encourages you to break that statistic and to apply. We look forward to your application! We also consider qualified applicants regardless of criminal histories, in accordance with applicable law. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or accommodation due to a disability, please contact View email address on click.appcast.io. SimSpace does not accept unsolicited resumes from employment agencies. Actual compensation for the position is based on a variety of factors, including, but not limited to, affordability, skills, qualifications and experience, and may vary from the range. #J-18808-Ljbffr SimSpace Corporation