Senior Network Security Engineer

This is a fully remote position, open to applicants in United States.

📋 Description

• Serve as the subject matter expert for SimSpace's network and network security infrastructure.

• Design, implement, support, and secure enterprise network infrastructure and software-defined networking solutions.

• Configure and maintain intricate VMware environments utilizing NSX-T, DVS, and software-defined networking technologies.

• Contribute to the design and implementation of robust, secure, and scalable network architectures.

• Configure and troubleshoot virtual networking, VLANs, VRFs, traffic forwarding, and hybrid cloud connectivity.

• Diagnose 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.

• Manage and optimize secure web access technologies, including content filtering, secure web proxy, SSL inspection, DLP, and zero-trust remote access platforms.

• Oversee next-generation firewall infrastructure, encompassing 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.

• Troubleshoot complex network and security incidents, including outages, performance issues, routing failures, VPN issues, and security events.

• Assist in vulnerability management activities for network and security infrastructure, including conducting web application vulnerability assessments using DAST tools, coordinating remediation efforts, and validating corrective actions.

• Monitor the performance of network and security infrastructure and implement corrective measures as required.

• Support centralized logging, security monitoring, alerting, and threat analysis activities across network and security platforms.

• Evaluate existing network and security technologies to identify opportunities for modernization, enhanced 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.

⛳️ Requirements

• 8+ years of experience in network engineering.

• 5+ years of practical experience in network security or security infrastructure.

• Strong grasp of enterprise networking concepts, protocols, and infrastructure design.

• Comprehensive knowledge of routing, switching, TCP/IP, DNS, VPNs, network segmentation, and secure remote access technologies.

• Experience in managing next-generation firewalls, secure web gateways, WAFs, and zero-trust security platforms.

• Extensive hands-on experience with firewall policy management, NAT, IPS/IDS, VPN technologies, and routing protocols including BGP.

• Solid 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.

• Proficient in packet captures, traffic analysis, and network troubleshooting methodologies.

• Familiarity with centralized logging, SIEM, security monitoring, alerting, and log analysis platforms to support threat detection and incident investigation.

• Knowledge of vulnerability management and security assessment tools.

• Experience with monitoring and observability platforms.

• Capability to lead technical implementations, infrastructure upgrades, and operational initiatives.

• Ability to quickly learn and adapt to new technologies and platforms.

• Strong oral and written communication skills.

🏝️ Benefits

• 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.

• Comprehensive medical, dental, and vision benefits, plus savings plans—coverage starts on day one!

• Access to company-paid counseling, coaching, and resources for you and your family through Spring Health.

• Plan for your future with a 401(k)-retirement savings plan featuring a company match.

• 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.

• Paid leave plans to support you and your loved ones during life’s most important moments.

• Equity stock options at hire, with annual performance-based grants—become an invested stakeholder in our shared success.

• Earn $1,500–$3,500 for every qualified hire through our employee referral program.

• Full- and partial-subsidized membership plans and equipment discounts to help you reach your personalized fitness goals.

• Access a LinkedIn Learning membership to prioritize your personal and professional development.

• Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community.

• Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life’s details.